/**
 * @license
 *
 * The MIT License
 * 
 * Copyright © 2010-2021 three.js authors
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
// threejs.org/license
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e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this},e.extractBasis=function(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this},e.setFromMatrix4=function(t){var e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this},e.multiply=function(t){return this.multiplyMatrices(this,t)},e.premultiply=function(t){return this.multiplyMatrices(t,this)},e.multiplyMatrices=function(t,e){var n=t.elements,i=e.elements,r=this.elements,a=n[0],o=n[3],s=n[6],c=n[1],l=n[4],u=n[7],h=n[2],d=n[5],p=n[8],f=i[0],m=i[3],v=i[6],g=i[1],y=i[4],x=i[7],_=i[2],b=i[5],w=i[8];return r[0]=a*f+o*g+s*_,r[3]=a*m+o*y+s*b,r[6]=a*v+o*x+s*w,r[1]=c*f+l*g+u*_,r[4]=c*m+l*y+u*b,r[7]=c*v+l*x+u*w,r[2]=h*f+d*g+p*_,r[5]=h*m+d*y+p*b,r[8]=h*v+d*x+p*w,this},e.multiplyScalar=function(t){var e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this},e.determinant=function(){var t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8];return e*a*l-e*o*c-n*r*l+n*o*s+i*r*c-i*a*s},e.invert=function(){var t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8],u=l*a-o*c,h=o*s-l*r,d=c*r-a*s,p=e*u+n*h+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);var f=1/p;return t[0]=u*f,t[1]=(i*c-l*n)*f,t[2]=(o*n-i*a)*f,t[3]=h*f,t[4]=(l*e-i*s)*f,t[5]=(i*r-o*e)*f,t[6]=d*f,t[7]=(n*s-c*e)*f,t[8]=(a*e-n*r)*f,this},e.transpose=function(){var t,e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this},e.getNormalMatrix=function(t){return this.setFromMatrix4(t).copy(this).invert().transpose()},e.transposeIntoArray=function(t){var e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this},e.setUvTransform=function(t,e,n,i,r,a,o){var s=Math.cos(r),c=Math.sin(r);return this.set(n*s,n*c,-n*(s*a+c*o)+a+t,-i*c,i*s,-i*(-c*a+s*o)+o+e,0,0,1),this},e.scale=function(t,e){var n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this},e.rotate=function(t){var e=Math.cos(t),n=Math.sin(t),i=this.elements,r=i[0],a=i[3],o=i[6],s=i[1],c=i[4],l=i[7];return i[0]=e*r+n*s,i[3]=e*a+n*c,i[6]=e*o+n*l,i[1]=-n*r+e*s,i[4]=-n*a+e*c,i[7]=-n*o+e*l,this},e.translate=function(t,e){var n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this},e.equals=function(t){for(var e=this.elements,n=t.elements,i=0;i<9;i++)if(e[i]!==n[i])return!1;return!0},e.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<9;n++)this.elements[n]=t[n+e];return this},e.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t},t}(),_t={getDataURL:function(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;var e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===mt&&(mt=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),mt.width=t.width,mt.height=t.height;var n=mt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=mt}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")}},bt=0;function wt(t,e,n,i,r,a,o,s,c,l){void 0===t&&(t=wt.DEFAULT_IMAGE),void 0===e&&(e=wt.DEFAULT_MAPPING),void 0===n&&(n=d),void 0===i&&(i=d),void 0===r&&(r=g),void 0===a&&(a=x),void 0===o&&(o=A),void 0===s&&(s=_),void 0===c&&(c=1),void 0===l&&(l=Y),Object.defineProperty(this,"id",{value:bt++}),this.uuid=gt.generateUUID(),this.name="",this.image=t,this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=s,this.offset=new yt(0,0),this.repeat=new yt(1,1),this.center=new yt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new xt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=l,this.version=0,this.onUpdate=null}function Mt(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?_t.getDataURL(t):t.data?{data:Array.prototype.slice.call(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}wt.DEFAULT_IMAGE=void 0,wt.DEFAULT_MAPPING=r,wt.prototype=Object.assign(Object.create(dt.prototype),{constructor:wt,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.name=t.name,this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this},toJSON:function(t){var e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];var n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var i=this.image;if(void 0===i.uuid&&(i.uuid=gt.generateUUID()),!e&&void 0===t.images[i.uuid]){var r;if(Array.isArray(i)){r=[];for(var a=0,o=i.length;a<o;a++)i[a].isDataTexture?r.push(Mt(i[a].image)):r.push(Mt(i[a]))}else r=Mt(i);t.images[i.uuid]={uuid:i.uuid,url:r}}n.image=i.uuid}return e||(t.textures[this.uuid]=n),n},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(t){if(this.mapping!==r)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case h:t.x=t.x-Math.floor(t.x);break;case d:t.x=t.x<0?0:1;break;case p:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case h:t.y=t.y-Math.floor(t.y);break;case d:t.y=t.y<0?0:1;break;case p:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}}),Object.defineProperty(wt.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}});var St=function(){function t(t,e,n,i){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),void 0===i&&(i=1),Object.defineProperty(this,"isVector4",{value:!0}),this.x=t,this.y=e,this.z=n,this.w=i}var e=t.prototype;return e.set=function(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this},e.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},e.setX=function(t){return this.x=t,this},e.setY=function(t){return this.y=t,this},e.setZ=function(t){return this.z=t,this},e.setW=function(t){return this.w=t,this},e.setComponent=function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this},e.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}},e.clone=function(){return new this.constructor(this.x,this.y,this.z,this.w)},e.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this},e.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},e.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},e.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this},e.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this},e.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)},e.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},e.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this},e.multiply=function(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this},e.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this},e.applyMatrix4=function(t){var e=this.x,n=this.y,i=this.z,r=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*e+a[7]*n+a[11]*i+a[15]*r,this},e.divideScalar=function(t){return this.multiplyScalar(1/t)},e.setAxisAngleFromQuaternion=function(t){this.w=2*Math.acos(t.w);var e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this},e.setAxisAngleFromRotationMatrix=function(t){var e,n,i,r,a=.01,o=.1,s=t.elements,c=s[0],l=s[4],u=s[8],h=s[1],d=s[5],p=s[9],f=s[2],m=s[6],v=s[10];if(Math.abs(l-h)<a&&Math.abs(u-f)<a&&Math.abs(p-m)<a){if(Math.abs(l+h)<o&&Math.abs(u+f)<o&&Math.abs(p+m)<o&&Math.abs(c+d+v-3)<o)return this.set(1,0,0,0),this;e=Math.PI;var g=(c+1)/2,y=(d+1)/2,x=(v+1)/2,_=(l+h)/4,b=(u+f)/4,w=(p+m)/4;return g>y&&g>x?g<a?(n=0,i=.707106781,r=.707106781):(i=_/(n=Math.sqrt(g)),r=b/n):y>x?y<a?(n=.707106781,i=0,r=.707106781):(n=_/(i=Math.sqrt(y)),r=w/i):x<a?(n=.707106781,i=.707106781,r=0):(n=b/(r=Math.sqrt(x)),i=w/r),this.set(n,i,r,e),this}var M=Math.sqrt((m-p)*(m-p)+(u-f)*(u-f)+(h-l)*(h-l));return Math.abs(M)<.001&&(M=1),this.x=(m-p)/M,this.y=(u-f)/M,this.z=(h-l)/M,this.w=Math.acos((c+d+v-1)/2),this},e.min=function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this},e.max=function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this},e.clamp=function(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this},e.clampScalar=function(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this},e.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},e.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this},e.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this},e.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this},e.roundToZero=function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this},e.negate=function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this},e.dot=function(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w},e.lengthSq=function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},e.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},e.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},e.normalize=function(){return this.divideScalar(this.length()||1)},e.setLength=function(t){return this.normalize().multiplyScalar(t)},e.lerp=function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this},e.lerpVectors=function(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this},e.equals=function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w},e.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t},e.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this},e.random=function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this},st(t,[{key:"width",get:function(){return this.z},set:function(t){this.z=t}},{key:"height",get:function(){return this.w},set:function(t){this.w=t}}]),t}(),Tt=function(t){function e(e,n,i){var r;return r=t.call(this)||this,Object.defineProperty(lt(r),"isWebGLRenderTarget",{value:!0}),r.width=e,r.height=n,r.scissor=new St(0,0,e,n),r.scissorTest=!1,r.viewport=new St(0,0,e,n),i=i||{},r.texture=new wt(void 0,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.encoding),r.texture.image={},r.texture.image.width=e,r.texture.image.height=n,r.texture.generateMipmaps=void 0!==i.generateMipmaps&&i.generateMipmaps,r.texture.minFilter=void 0!==i.minFilter?i.minFilter:g,r.depthBuffer=void 0===i.depthBuffer||i.depthBuffer,r.stencilBuffer=void 0!==i.stencilBuffer&&i.stencilBuffer,r.depthTexture=void 0!==i.depthTexture?i.depthTexture:null,r}ct(e,t);var n=e.prototype;return n.setSize=function(t,e){this.width===t&&this.height===e||(this.width=t,this.height=e,this.texture.image.width=t,this.texture.image.height=e,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)},n.clone=function(){return(new this.constructor).copy(this)},n.copy=function(t){return this.width=t.width,this.height=t.height,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this},n.dispose=function(){this.dispatchEvent({type:"dispose"})},e}(dt),Et=function(t){function e(e,n,i){var r;return r=t.call(this,e,n,i)||this,Object.defineProperty(lt(r),"isWebGLMultisampleRenderTarget",{value:!0}),r.samples=4,r}return ct(e,t),e.prototype.copy=function(e){return t.prototype.copy.call(this,e),this.samples=e.samples,this},e}(Tt),At=function(){function t(t,e,n,i){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),void 0===i&&(i=1),Object.defineProperty(this,"isQuaternion",{value:!0}),this._x=t,this._y=e,this._z=n,this._w=i}t.slerp=function(t,e,n,i){return n.copy(t).slerp(e,i)},t.slerpFlat=function(t,e,n,i,r,a,o){var s=n[i+0],c=n[i+1],l=n[i+2],u=n[i+3],h=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(u!==f||s!==h||c!==d||l!==p){var m=1-o,v=s*h+c*d+l*p+u*f,g=v>=0?1:-1,y=1-v*v;if(y>Number.EPSILON){var x=Math.sqrt(y),_=Math.atan2(x,v*g);m=Math.sin(m*_)/x,o=Math.sin(o*_)/x}var b=o*g;if(s=s*m+h*b,c=c*m+d*b,l=l*m+p*b,u=u*m+f*b,m===1-o){var w=1/Math.sqrt(s*s+c*c+l*l+u*u);s*=w,c*=w,l*=w,u*=w}}t[e]=s,t[e+1]=c,t[e+2]=l,t[e+3]=u},t.multiplyQuaternionsFlat=function(t,e,n,i,r,a){var o=n[i],s=n[i+1],c=n[i+2],l=n[i+3],u=r[a],h=r[a+1],d=r[a+2],p=r[a+3];return t[e]=o*p+l*u+s*d-c*h,t[e+1]=s*p+l*h+c*u-o*d,t[e+2]=c*p+l*d+o*h-s*u,t[e+3]=l*p-o*u-s*h-c*d,t};var e=t.prototype;return e.set=function(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this},e.clone=function(){return new this.constructor(this._x,this._y,this._z,this._w)},e.copy=function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this},e.setFromEuler=function(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=t._x,i=t._y,r=t._z,a=t._order,o=Math.cos,s=Math.sin,c=o(n/2),l=o(i/2),u=o(r/2),h=s(n/2),d=s(i/2),p=s(r/2);switch(a){case"XYZ":this._x=h*l*u+c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u-h*d*p;break;case"YXZ":this._x=h*l*u+c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u+h*d*p;break;case"ZXY":this._x=h*l*u-c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u-h*d*p;break;case"ZYX":this._x=h*l*u-c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u+h*d*p;break;case"YZX":this._x=h*l*u+c*d*p,this._y=c*d*u+h*l*p,this._z=c*l*p-h*d*u,this._w=c*l*u-h*d*p;break;case"XZY":this._x=h*l*u-c*d*p,this._y=c*d*u-h*l*p,this._z=c*l*p+h*d*u,this._w=c*l*u+h*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==e&&this._onChangeCallback(),this},e.setFromAxisAngle=function(t,e){var n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this},e.setFromRotationMatrix=function(t){var e=t.elements,n=e[0],i=e[4],r=e[8],a=e[1],o=e[5],s=e[9],c=e[2],l=e[6],u=e[10],h=n+o+u;if(h>0){var d=.5/Math.sqrt(h+1);this._w=.25/d,this._x=(l-s)*d,this._y=(r-c)*d,this._z=(a-i)*d}else if(n>o&&n>u){var p=2*Math.sqrt(1+n-o-u);this._w=(l-s)/p,this._x=.25*p,this._y=(i+a)/p,this._z=(r+c)/p}else if(o>u){var f=2*Math.sqrt(1+o-n-u);this._w=(r-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(s+l)/f}else{var m=2*Math.sqrt(1+u-n-o);this._w=(a-i)/m,this._x=(r+c)/m,this._y=(s+l)/m,this._z=.25*m}return this._onChangeCallback(),this},e.setFromUnitVectors=function(t,e){var n=t.dot(e)+1;return n<1e-6?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()},e.angleTo=function(t){return 2*Math.acos(Math.abs(gt.clamp(this.dot(t),-1,1)))},e.rotateTowards=function(t,e){var n=this.angleTo(t);if(0===n)return this;var i=Math.min(1,e/n);return this.slerp(t,i),this},e.identity=function(){return this.set(0,0,0,1)},e.invert=function(){return this.conjugate()},e.conjugate=function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},e.dot=function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},e.lengthSq=function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},e.length=function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},e.normalize=function(){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)},e.premultiply=function(t){return this.multiplyQuaternions(t,this)},e.multiplyQuaternions=function(t,e){var n=t._x,i=t._y,r=t._z,a=t._w,o=e._x,s=e._y,c=e._z,l=e._w;return this._x=n*l+a*o+i*c-r*s,this._y=i*l+a*s+r*o-n*c,this._z=r*l+a*c+n*s-i*o,this._w=a*l-n*o-i*s-r*c,this._onChangeCallback(),this},e.slerp=function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var n=this._x,i=this._y,r=this._z,a=this._w,o=a*t._w+n*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;var s=1-o*o;if(s<=Number.EPSILON){var c=1-e;return this._w=c*a+e*this._w,this._x=c*n+e*this._x,this._y=c*i+e*this._y,this._z=c*r+e*this._z,this.normalize(),this._onChangeCallback(),this}var l=Math.sqrt(s),u=Math.atan2(l,o),h=Math.sin((1-e)*u)/l,d=Math.sin(e*u)/l;return this._w=a*h+this._w*d,this._x=n*h+this._x*d,this._y=i*h+this._y*d,this._z=r*h+this._z*d,this._onChangeCallback(),this},e.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},e.fromArray=function(t,e){return void 0===e&&(e=0),this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t},e.fromBufferAttribute=function(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this},e._onChange=function(t){return this._onChangeCallback=t,this},e._onChangeCallback=function(){},st(t,[{key:"x",get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},{key:"w",get:function(){return this._w},set:function(t){this._w=t,this._onChangeCallback()}}]),t}(),Lt=function(){function t(t,e,n){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),Object.defineProperty(this,"isVector3",{value:!0}),this.x=t,this.y=e,this.z=n}var e=t.prototype;return e.set=function(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this},e.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this},e.setX=function(t){return this.x=t,this},e.setY=function(t){return this.y=t,this},e.setZ=function(t){return this.z=t,this},e.setComponent=function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this},e.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}},e.clone=function(){return new this.constructor(this.x,this.y,this.z)},e.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this},e.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)},e.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this},e.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this},e.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this},e.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)},e.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this},e.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)},e.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this},e.multiplyVectors=function(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this},e.applyEuler=function(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(Ct.setFromEuler(t))},e.applyAxisAngle=function(t,e){return this.applyQuaternion(Ct.setFromAxisAngle(t,e))},e.applyMatrix3=function(t){var e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this},e.applyNormalMatrix=function(t){return this.applyMatrix3(t).normalize()},e.applyMatrix4=function(t){var e=this.x,n=this.y,i=this.z,r=t.elements,a=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*a,this},e.applyQuaternion=function(t){var e=this.x,n=this.y,i=this.z,r=t.x,a=t.y,o=t.z,s=t.w,c=s*e+a*i-o*n,l=s*n+o*e-r*i,u=s*i+r*n-a*e,h=-r*e-a*n-o*i;return this.x=c*s+h*-r+l*-o-u*-a,this.y=l*s+h*-a+u*-r-c*-o,this.z=u*s+h*-o+c*-a-l*-r,this},e.project=function(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)},e.unproject=function(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)},e.transformDirection=function(t){var e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()},e.divide=function(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this},e.divideScalar=function(t){return this.multiplyScalar(1/t)},e.min=function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this},e.max=function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this},e.clamp=function(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this},e.clampScalar=function(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this},e.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},e.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},e.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},e.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},e.roundToZero=function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this},e.negate=function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},e.dot=function(t){return this.x*t.x+this.y*t.y+this.z*t.z},e.lengthSq=function(){return this.x*this.x+this.y*this.y+this.z*this.z},e.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},e.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},e.normalize=function(){return this.divideScalar(this.length()||1)},e.setLength=function(t){return this.normalize().multiplyScalar(t)},e.lerp=function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this},e.lerpVectors=function(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this},e.cross=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)},e.crossVectors=function(t,e){var n=t.x,i=t.y,r=t.z,a=e.x,o=e.y,s=e.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this},e.projectOnVector=function(t){var e=t.lengthSq();if(0===e)return this.set(0,0,0);var n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)},e.projectOnPlane=function(t){return Rt.copy(this).projectOnVector(t),this.sub(Rt)},e.reflect=function(t){return this.sub(Rt.copy(t).multiplyScalar(2*this.dot(t)))},e.angleTo=function(t){var e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;var n=this.dot(t)/e;return Math.acos(gt.clamp(n,-1,1))},e.distanceTo=function(t){return Math.sqrt(this.distanceToSquared(t))},e.distanceToSquared=function(t){var e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i},e.manhattanDistanceTo=function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)},e.setFromSpherical=function(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)},e.setFromSphericalCoords=function(t,e,n){var i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this},e.setFromCylindrical=function(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)},e.setFromCylindricalCoords=function(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this},e.setFromMatrixPosition=function(t){var e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this},e.setFromMatrixScale=function(t){var e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this},e.setFromMatrixColumn=function(t,e){return this.fromArray(t.elements,4*e)},e.setFromMatrix3Column=function(t,e){return this.fromArray(t.elements,3*e)},e.equals=function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},e.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t},e.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this},e.random=function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this},t}(),Rt=new Lt,Ct=new At,Pt=function(){function t(t,e){Object.defineProperty(this,"isBox3",{value:!0}),this.min=void 0!==t?t:new Lt(1/0,1/0,1/0),this.max=void 0!==e?e:new Lt(-1/0,-1/0,-1/0)}var e=t.prototype;return e.set=function(t,e){return this.min.copy(t),this.max.copy(e),this},e.setFromArray=function(t){for(var e=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,c=t.length;s<c;s+=3){var l=t[s],u=t[s+1],h=t[s+2];l<e&&(e=l),u<n&&(n=u),h<i&&(i=h),l>r&&(r=l),u>a&&(a=u),h>o&&(o=h)}return this.min.set(e,n,i),this.max.set(r,a,o),this},e.setFromBufferAttribute=function(t){for(var e=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,c=t.count;s<c;s++){var l=t.getX(s),u=t.getY(s),h=t.getZ(s);l<e&&(e=l),u<n&&(n=u),h<i&&(i=h),l>r&&(r=l),u>a&&(a=u),h>o&&(o=h)}return this.min.set(e,n,i),this.max.set(r,a,o),this},e.setFromPoints=function(t){this.makeEmpty();for(var e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this},e.setFromCenterAndSize=function(t,e){var n=Dt.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this},e.setFromObject=function(t){return this.makeEmpty(),this.expandByObject(t)},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.min.copy(t.min),this.max.copy(t.max),this},e.makeEmpty=function(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this},e.isEmpty=function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},e.getCenter=function(t){return void 0===t&&(console.warn("THREE.Box3: .getCenter() target is now required"),t=new Lt),this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)},e.getSize=function(t){return void 0===t&&(console.warn("THREE.Box3: .getSize() target is now required"),t=new Lt),this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)},e.expandByPoint=function(t){return this.min.min(t),this.max.max(t),this},e.expandByVector=function(t){return this.min.sub(t),this.max.add(t),this},e.expandByScalar=function(t){return this.min.addScalar(-t),this.max.addScalar(t),this},e.expandByObject=function(t){t.updateWorldMatrix(!1,!1);var e=t.geometry;void 0!==e&&(null===e.boundingBox&&e.computeBoundingBox(),Nt.copy(e.boundingBox),Nt.applyMatrix4(t.matrixWorld),this.union(Nt));for(var n=t.children,i=0,r=n.length;i<r;i++)this.expandByObject(n[i]);return this},e.containsPoint=function(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)},e.containsBox=function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z},e.getParameter=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .getParameter() target is now required"),e=new Lt),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},e.intersectsBox=function(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)},e.intersectsSphere=function(t){return this.clampPoint(t.center,Dt),Dt.distanceToSquared(t.center)<=t.radius*t.radius},e.intersectsPlane=function(t){var e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant},e.intersectsTriangle=function(t){if(this.isEmpty())return!1;this.getCenter(kt),Vt.subVectors(this.max,kt),Bt.subVectors(t.a,kt),zt.subVectors(t.b,kt),Ft.subVectors(t.c,kt),Ht.subVectors(zt,Bt),Gt.subVectors(Ft,zt),Ut.subVectors(Bt,Ft);var e=[0,-Ht.z,Ht.y,0,-Gt.z,Gt.y,0,-Ut.z,Ut.y,Ht.z,0,-Ht.x,Gt.z,0,-Gt.x,Ut.z,0,-Ut.x,-Ht.y,Ht.x,0,-Gt.y,Gt.x,0,-Ut.y,Ut.x,0];return!!Ot(e,Bt,zt,Ft,Vt)&&(!!Ot(e=[1,0,0,0,1,0,0,0,1],Bt,zt,Ft,Vt)&&(Wt.crossVectors(Ht,Gt),Ot(e=[Wt.x,Wt.y,Wt.z],Bt,zt,Ft,Vt)))},e.clampPoint=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .clampPoint() target is now required"),e=new Lt),e.copy(t).clamp(this.min,this.max)},e.distanceToPoint=function(t){return Dt.copy(t).clamp(this.min,this.max).sub(t).length()},e.getBoundingSphere=function(t){return void 0===t&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(t.center),t.radius=.5*this.getSize(Dt).length(),t},e.intersect=function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},e.union=function(t){return this.min.min(t.min),this.max.max(t.max),this},e.applyMatrix4=function(t){return this.isEmpty()||(It[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),It[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),It[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),It[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),It[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),It[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),It[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),It[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(It)),this},e.translate=function(t){return this.min.add(t),this.max.add(t),this},e.equals=function(t){return t.min.equals(this.min)&&t.max.equals(this.max)},t}();function Ot(t,e,n,i,r){for(var a=0,o=t.length-3;a<=o;a+=3){jt.fromArray(t,a);var s=r.x*Math.abs(jt.x)+r.y*Math.abs(jt.y)+r.z*Math.abs(jt.z),c=e.dot(jt),l=n.dot(jt),u=i.dot(jt);if(Math.max(-Math.max(c,l,u),Math.min(c,l,u))>s)return!1}return!0}var It=[new Lt,new Lt,new Lt,new Lt,new Lt,new Lt,new Lt,new Lt],Dt=new Lt,Nt=new Pt,Bt=new Lt,zt=new Lt,Ft=new Lt,Ht=new Lt,Gt=new Lt,Ut=new Lt,kt=new Lt,Vt=new Lt,Wt=new Lt,jt=new Lt,qt=new Pt,Xt=function(){function t(t,e){this.center=void 0!==t?t:new Lt,this.radius=void 0!==e?e:-1}var e=t.prototype;return e.set=function(t,e){return this.center.copy(t),this.radius=e,this},e.setFromPoints=function(t,e){var n=this.center;void 0!==e?n.copy(e):qt.setFromPoints(t).getCenter(n);for(var i=0,r=0,a=t.length;r<a;r++)i=Math.max(i,n.distanceToSquared(t[r]));return this.radius=Math.sqrt(i),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.center.copy(t.center),this.radius=t.radius,this},e.isEmpty=function(){return this.radius<0},e.makeEmpty=function(){return this.center.set(0,0,0),this.radius=-1,this},e.containsPoint=function(t){return t.distanceToSquared(this.center)<=this.radius*this.radius},e.distanceToPoint=function(t){return t.distanceTo(this.center)-this.radius},e.intersectsSphere=function(t){var e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e},e.intersectsBox=function(t){return t.intersectsSphere(this)},e.intersectsPlane=function(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius},e.clampPoint=function(t,e){var n=this.center.distanceToSquared(t);return void 0===e&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),e=new Lt),e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e},e.getBoundingBox=function(t){return void 0===t&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),t=new Pt),this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)},e.applyMatrix4=function(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this},e.translate=function(t){return this.center.add(t),this},e.equals=function(t){return t.center.equals(this.center)&&t.radius===this.radius},t}(),Yt=new Lt,Zt=new Lt,Jt=new Lt,Qt=new Lt,Kt=new Lt,$t=new Lt,te=new Lt,ee=function(){function t(t,e){this.origin=void 0!==t?t:new Lt,this.direction=void 0!==e?e:new Lt(0,0,-1)}var e=t.prototype;return e.set=function(t,e){return this.origin.copy(t),this.direction.copy(e),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this},e.at=function(t,e){return void 0===e&&(console.warn("THREE.Ray: .at() target is now required"),e=new Lt),e.copy(this.direction).multiplyScalar(t).add(this.origin)},e.lookAt=function(t){return this.direction.copy(t).sub(this.origin).normalize(),this},e.recast=function(t){return this.origin.copy(this.at(t,Yt)),this},e.closestPointToPoint=function(t,e){void 0===e&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),e=new Lt),e.subVectors(t,this.origin);var n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)},e.distanceToPoint=function(t){return Math.sqrt(this.distanceSqToPoint(t))},e.distanceSqToPoint=function(t){var e=Yt.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Yt.copy(this.direction).multiplyScalar(e).add(this.origin),Yt.distanceToSquared(t))},e.distanceSqToSegment=function(t,e,n,i){Zt.copy(t).add(e).multiplyScalar(.5),Jt.copy(e).sub(t).normalize(),Qt.copy(this.origin).sub(Zt);var r,a,o,s,c=.5*t.distanceTo(e),l=-this.direction.dot(Jt),u=Qt.dot(this.direction),h=-Qt.dot(Jt),d=Qt.lengthSq(),p=Math.abs(1-l*l);if(p>0)if(a=l*u-h,s=c*p,(r=l*h-u)>=0)if(a>=-s)if(a<=s){var f=1/p;o=(r*=f)*(r+l*(a*=f)+2*u)+a*(l*r+a+2*h)+d}else a=c,o=-(r=Math.max(0,-(l*a+u)))*r+a*(a+2*h)+d;else a=-c,o=-(r=Math.max(0,-(l*a+u)))*r+a*(a+2*h)+d;else a<=-s?o=-(r=Math.max(0,-(-l*c+u)))*r+(a=r>0?-c:Math.min(Math.max(-c,-h),c))*(a+2*h)+d:a<=s?(r=0,o=(a=Math.min(Math.max(-c,-h),c))*(a+2*h)+d):o=-(r=Math.max(0,-(l*c+u)))*r+(a=r>0?c:Math.min(Math.max(-c,-h),c))*(a+2*h)+d;else a=l>0?-c:c,o=-(r=Math.max(0,-(l*a+u)))*r+a*(a+2*h)+d;return n&&n.copy(this.direction).multiplyScalar(r).add(this.origin),i&&i.copy(Jt).multiplyScalar(a).add(Zt),o},e.intersectSphere=function(t,e){Yt.subVectors(t.center,this.origin);var n=Yt.dot(this.direction),i=Yt.dot(Yt)-n*n,r=t.radius*t.radius;if(i>r)return null;var a=Math.sqrt(r-i),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,e):this.at(o,e)},e.intersectsSphere=function(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius},e.distanceToPlane=function(t){var e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null},e.intersectPlane=function(t,e){var n=this.distanceToPlane(t);return null===n?null:this.at(n,e)},e.intersectsPlane=function(t){var e=t.distanceToPoint(this.origin);return 0===e||t.normal.dot(this.direction)*e<0},e.intersectBox=function(t,e){var n,i,r,a,o,s,c=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,h=this.origin;return c>=0?(n=(t.min.x-h.x)*c,i=(t.max.x-h.x)*c):(n=(t.max.x-h.x)*c,i=(t.min.x-h.x)*c),l>=0?(r=(t.min.y-h.y)*l,a=(t.max.y-h.y)*l):(r=(t.max.y-h.y)*l,a=(t.min.y-h.y)*l),n>a||r>i?null:((r>n||n!=n)&&(n=r),(a<i||i!=i)&&(i=a),u>=0?(o=(t.min.z-h.z)*u,s=(t.max.z-h.z)*u):(o=(t.max.z-h.z)*u,s=(t.min.z-h.z)*u),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s<i||i!=i)&&(i=s),i<0?null:this.at(n>=0?n:i,e)))},e.intersectsBox=function(t){return null!==this.intersectBox(t,Yt)},e.intersectTriangle=function(t,e,n,i,r){Kt.subVectors(e,t),$t.subVectors(n,t),te.crossVectors(Kt,$t);var a,o=this.direction.dot(te);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Qt.subVectors(this.origin,t);var s=a*this.direction.dot($t.crossVectors(Qt,$t));if(s<0)return null;var c=a*this.direction.dot(Kt.cross(Qt));if(c<0)return null;if(s+c>o)return null;var l=-a*Qt.dot(te);return l<0?null:this.at(l/o,r)},e.applyMatrix4=function(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this},e.equals=function(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)},t}(),ne=function(){function t(){Object.defineProperty(this,"isMatrix4",{value:!0}),this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}var e=t.prototype;return e.set=function(t,e,n,i,r,a,o,s,c,l,u,h,d,p,f,m){var v=this.elements;return v[0]=t,v[4]=e,v[8]=n,v[12]=i,v[1]=r,v[5]=a,v[9]=o,v[13]=s,v[2]=c,v[6]=l,v[10]=u,v[14]=h,v[3]=d,v[7]=p,v[11]=f,v[15]=m,this},e.identity=function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},e.clone=function(){return(new t).fromArray(this.elements)},e.copy=function(t){var e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this},e.copyPosition=function(t){var e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this},e.setFromMatrix3=function(t){var e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this},e.extractBasis=function(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},e.makeBasis=function(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this},e.extractRotation=function(t){var e=this.elements,n=t.elements,i=1/ie.setFromMatrixColumn(t,0).length(),r=1/ie.setFromMatrixColumn(t,1).length(),a=1/ie.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},e.makeRotationFromEuler=function(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var e=this.elements,n=t.x,i=t.y,r=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),c=Math.sin(i),l=Math.cos(r),u=Math.sin(r);if("XYZ"===t.order){var h=a*l,d=a*u,p=o*l,f=o*u;e[0]=s*l,e[4]=-s*u,e[8]=c,e[1]=d+p*c,e[5]=h-f*c,e[9]=-o*s,e[2]=f-h*c,e[6]=p+d*c,e[10]=a*s}else if("YXZ"===t.order){var m=s*l,v=s*u,g=c*l,y=c*u;e[0]=m+y*o,e[4]=g*o-v,e[8]=a*c,e[1]=a*u,e[5]=a*l,e[9]=-o,e[2]=v*o-g,e[6]=y+m*o,e[10]=a*s}else if("ZXY"===t.order){var x=s*l,_=s*u,b=c*l,w=c*u;e[0]=x-w*o,e[4]=-a*u,e[8]=b+_*o,e[1]=_+b*o,e[5]=a*l,e[9]=w-x*o,e[2]=-a*c,e[6]=o,e[10]=a*s}else if("ZYX"===t.order){var M=a*l,S=a*u,T=o*l,E=o*u;e[0]=s*l,e[4]=T*c-S,e[8]=M*c+E,e[1]=s*u,e[5]=E*c+M,e[9]=S*c-T,e[2]=-c,e[6]=o*s,e[10]=a*s}else if("YZX"===t.order){var A=a*s,L=a*c,R=o*s,C=o*c;e[0]=s*l,e[4]=C-A*u,e[8]=R*u+L,e[1]=u,e[5]=a*l,e[9]=-o*l,e[2]=-c*l,e[6]=L*u+R,e[10]=A-C*u}else if("XZY"===t.order){var P=a*s,O=a*c,I=o*s,D=o*c;e[0]=s*l,e[4]=-u,e[8]=c*l,e[1]=P*u+D,e[5]=a*l,e[9]=O*u-I,e[2]=I*u-O,e[6]=o*l,e[10]=D*u+P}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},e.makeRotationFromQuaternion=function(t){return this.compose(ae,t,oe)},e.lookAt=function(t,e,n){var i=this.elements;return le.subVectors(t,e),0===le.lengthSq()&&(le.z=1),le.normalize(),se.crossVectors(n,le),0===se.lengthSq()&&(1===Math.abs(n.z)?le.x+=1e-4:le.z+=1e-4,le.normalize(),se.crossVectors(n,le)),se.normalize(),ce.crossVectors(le,se),i[0]=se.x,i[4]=ce.x,i[8]=le.x,i[1]=se.y,i[5]=ce.y,i[9]=le.y,i[2]=se.z,i[6]=ce.z,i[10]=le.z,this},e.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)},e.premultiply=function(t){return this.multiplyMatrices(t,this)},e.multiplyMatrices=function(t,e){var n=t.elements,i=e.elements,r=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],h=n[9],d=n[13],p=n[2],f=n[6],m=n[10],v=n[14],g=n[3],y=n[7],x=n[11],_=n[15],b=i[0],w=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],L=i[13],R=i[2],C=i[6],P=i[10],O=i[14],I=i[3],D=i[7],N=i[11],B=i[15];return r[0]=a*b+o*T+s*R+c*I,r[4]=a*w+o*E+s*C+c*D,r[8]=a*M+o*A+s*P+c*N,r[12]=a*S+o*L+s*O+c*B,r[1]=l*b+u*T+h*R+d*I,r[5]=l*w+u*E+h*C+d*D,r[9]=l*M+u*A+h*P+d*N,r[13]=l*S+u*L+h*O+d*B,r[2]=p*b+f*T+m*R+v*I,r[6]=p*w+f*E+m*C+v*D,r[10]=p*M+f*A+m*P+v*N,r[14]=p*S+f*L+m*O+v*B,r[3]=g*b+y*T+x*R+_*I,r[7]=g*w+y*E+x*C+_*D,r[11]=g*M+y*A+x*P+_*N,r[15]=g*S+y*L+x*O+_*B,this},e.multiplyScalar=function(t){var e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this},e.determinant=function(){var t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],a=t[1],o=t[5],s=t[9],c=t[13],l=t[2],u=t[6],h=t[10],d=t[14];return t[3]*(+r*s*u-i*c*u-r*o*h+n*c*h+i*o*d-n*s*d)+t[7]*(+e*s*d-e*c*h+r*a*h-i*a*d+i*c*l-r*s*l)+t[11]*(+e*c*u-e*o*d-r*a*u+n*a*d+r*o*l-n*c*l)+t[15]*(-i*o*l-e*s*u+e*o*h+i*a*u-n*a*h+n*s*l)},e.transpose=function(){var t,e=this.elements;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this},e.setPosition=function(t,e,n){var i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this},e.invert=function(){var t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8],u=t[9],h=t[10],d=t[11],p=t[12],f=t[13],m=t[14],v=t[15],g=u*m*c-f*h*c+f*s*d-o*m*d-u*s*v+o*h*v,y=p*h*c-l*m*c-p*s*d+a*m*d+l*s*v-a*h*v,x=l*f*c-p*u*c+p*o*d-a*f*d-l*o*v+a*u*v,_=p*u*s-l*f*s-p*o*h+a*f*h+l*o*m-a*u*m,b=e*g+n*y+i*x+r*_;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var w=1/b;return t[0]=g*w,t[1]=(f*h*r-u*m*r-f*i*d+n*m*d+u*i*v-n*h*v)*w,t[2]=(o*m*r-f*s*r+f*i*c-n*m*c-o*i*v+n*s*v)*w,t[3]=(u*s*r-o*h*r-u*i*c+n*h*c+o*i*d-n*s*d)*w,t[4]=y*w,t[5]=(l*m*r-p*h*r+p*i*d-e*m*d-l*i*v+e*h*v)*w,t[6]=(p*s*r-a*m*r-p*i*c+e*m*c+a*i*v-e*s*v)*w,t[7]=(a*h*r-l*s*r+l*i*c-e*h*c-a*i*d+e*s*d)*w,t[8]=x*w,t[9]=(p*u*r-l*f*r-p*n*d+e*f*d+l*n*v-e*u*v)*w,t[10]=(a*f*r-p*o*r+p*n*c-e*f*c-a*n*v+e*o*v)*w,t[11]=(l*o*r-a*u*r-l*n*c+e*u*c+a*n*d-e*o*d)*w,t[12]=_*w,t[13]=(l*f*i-p*u*i+p*n*h-e*f*h-l*n*m+e*u*m)*w,t[14]=(p*o*i-a*f*i-p*n*s+e*f*s+a*n*m-e*o*m)*w,t[15]=(a*u*i-l*o*i+l*n*s-e*u*s-a*n*h+e*o*h)*w,this},e.scale=function(t){var e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this},e.getMaxScaleOnAxis=function(){var t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))},e.makeTranslation=function(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this},e.makeRotationX=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this},e.makeRotationY=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this},e.makeRotationZ=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this},e.makeRotationAxis=function(t,e){var n=Math.cos(e),i=Math.sin(e),r=1-n,a=t.x,o=t.y,s=t.z,c=r*a,l=r*o;return this.set(c*a+n,c*o-i*s,c*s+i*o,0,c*o+i*s,l*o+n,l*s-i*a,0,c*s-i*o,l*s+i*a,r*s*s+n,0,0,0,0,1),this},e.makeScale=function(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this},e.makeShear=function(t,e,n){return this.set(1,e,n,0,t,1,n,0,t,e,1,0,0,0,0,1),this},e.compose=function(t,e,n){var i=this.elements,r=e._x,a=e._y,o=e._z,s=e._w,c=r+r,l=a+a,u=o+o,h=r*c,d=r*l,p=r*u,f=a*l,m=a*u,v=o*u,g=s*c,y=s*l,x=s*u,_=n.x,b=n.y,w=n.z;return i[0]=(1-(f+v))*_,i[1]=(d+x)*_,i[2]=(p-y)*_,i[3]=0,i[4]=(d-x)*b,i[5]=(1-(h+v))*b,i[6]=(m+g)*b,i[7]=0,i[8]=(p+y)*w,i[9]=(m-g)*w,i[10]=(1-(h+f))*w,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this},e.decompose=function(t,e,n){var i=this.elements,r=ie.set(i[0],i[1],i[2]).length(),a=ie.set(i[4],i[5],i[6]).length(),o=ie.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],re.copy(this);var s=1/r,c=1/a,l=1/o;return re.elements[0]*=s,re.elements[1]*=s,re.elements[2]*=s,re.elements[4]*=c,re.elements[5]*=c,re.elements[6]*=c,re.elements[8]*=l,re.elements[9]*=l,re.elements[10]*=l,e.setFromRotationMatrix(re),n.x=r,n.y=a,n.z=o,this},e.makePerspective=function(t,e,n,i,r,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var o=this.elements,s=2*r/(e-t),c=2*r/(n-i),l=(e+t)/(e-t),u=(n+i)/(n-i),h=-(a+r)/(a-r),d=-2*a*r/(a-r);return o[0]=s,o[4]=0,o[8]=l,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=h,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},e.makeOrthographic=function(t,e,n,i,r,a){var o=this.elements,s=1/(e-t),c=1/(n-i),l=1/(a-r),u=(e+t)*s,h=(n+i)*c,d=(a+r)*l;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-h,o[2]=0,o[6]=0,o[10]=-2*l,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},e.equals=function(t){for(var e=this.elements,n=t.elements,i=0;i<16;i++)if(e[i]!==n[i])return!1;return!0},e.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<16;n++)this.elements[n]=t[n+e];return this},e.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t},t}(),ie=new Lt,re=new ne,ae=new Lt(0,0,0),oe=new Lt(1,1,1),se=new Lt,ce=new Lt,le=new Lt,ue=function(){function t(e,n,i,r){void 0===e&&(e=0),void 0===n&&(n=0),void 0===i&&(i=0),void 0===r&&(r=t.DefaultOrder),Object.defineProperty(this,"isEuler",{value:!0}),this._x=e,this._y=n,this._z=i,this._order=r}var e=t.prototype;return e.set=function(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._order=i||this._order,this._onChangeCallback(),this},e.clone=function(){return new this.constructor(this._x,this._y,this._z,this._order)},e.copy=function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this},e.setFromRotationMatrix=function(t,e,n){var i=gt.clamp,r=t.elements,a=r[0],o=r[4],s=r[8],c=r[1],l=r[5],u=r[9],h=r[2],d=r[6],p=r[10];switch(e=e||this._order){case"XYZ":this._y=Math.asin(i(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(s,p),this._z=Math.atan2(c,l)):(this._y=Math.atan2(-h,a),this._z=0);break;case"ZXY":this._x=Math.asin(i(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,l)):(this._y=0,this._z=Math.atan2(c,a));break;case"ZYX":this._y=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(c,a)):(this._x=0,this._z=Math.atan2(-o,l));break;case"YZX":this._z=Math.asin(i(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(-u,l),this._y=Math.atan2(-h,a)):(this._x=0,this._y=Math.atan2(s,p));break;case"XZY":this._z=Math.asin(-i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-u,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!1!==n&&this._onChangeCallback(),this},e.setFromQuaternion=function(t,e,n){return he.makeRotationFromQuaternion(t),this.setFromRotationMatrix(he,e,n)},e.setFromVector3=function(t,e){return this.set(t.x,t.y,t.z,e||this._order)},e.reorder=function(t){return de.setFromEuler(this),this.setFromQuaternion(de,t)},e.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},e.fromArray=function(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t},e.toVector3=function(t){return t?t.set(this._x,this._y,this._z):new Lt(this._x,this._y,this._z)},e._onChange=function(t){return this._onChangeCallback=t,this},e._onChangeCallback=function(){},st(t,[{key:"x",get:function(){return this._x},set:function(t){this._x=t,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(t){this._y=t,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(t){this._z=t,this._onChangeCallback()}},{key:"order",get:function(){return this._order},set:function(t){this._order=t,this._onChangeCallback()}}]),t}();ue.DefaultOrder="XYZ",ue.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var he=new ne,de=new At,pe=function(){function t(){this.mask=1}var e=t.prototype;return e.set=function(t){this.mask=1<<t|0},e.enable=function(t){this.mask|=1<<t|0},e.enableAll=function(){this.mask=-1},e.toggle=function(t){this.mask^=1<<t|0},e.disable=function(t){this.mask&=~(1<<t|0)},e.disableAll=function(){this.mask=0},e.test=function(t){return 0!=(this.mask&t.mask)},t}(),fe=0,me=new Lt,ve=new At,ge=new ne,ye=new Lt,xe=new Lt,_e=new Lt,be=new At,we=new Lt(1,0,0),Me=new Lt(0,1,0),Se=new Lt(0,0,1),Te={type:"added"},Ee={type:"removed"};function Ae(){Object.defineProperty(this,"id",{value:fe++}),this.uuid=gt.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ae.DefaultUp.clone();var t=new Lt,e=new ue,n=new At,i=new Lt(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new ne},normalMatrix:{value:new xt}}),this.matrix=new ne,this.matrixWorld=new ne,this.matrixAutoUpdate=Ae.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new pe,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}Ae.DefaultUp=new Lt(0,1,0),Ae.DefaultMatrixAutoUpdate=!0,Ae.prototype=Object.assign(Object.create(dt.prototype),{constructor:Ae,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix4:function(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(t){return this.quaternion.premultiply(t),this},setRotationFromAxisAngle:function(t,e){this.quaternion.setFromAxisAngle(t,e)},setRotationFromEuler:function(t){this.quaternion.setFromEuler(t,!0)},setRotationFromMatrix:function(t){this.quaternion.setFromRotationMatrix(t)},setRotationFromQuaternion:function(t){this.quaternion.copy(t)},rotateOnAxis:function(t,e){return ve.setFromAxisAngle(t,e),this.quaternion.multiply(ve),this},rotateOnWorldAxis:function(t,e){return ve.setFromAxisAngle(t,e),this.quaternion.premultiply(ve),this},rotateX:function(t){return this.rotateOnAxis(we,t)},rotateY:function(t){return this.rotateOnAxis(Me,t)},rotateZ:function(t){return this.rotateOnAxis(Se,t)},translateOnAxis:function(t,e){return me.copy(t).applyQuaternion(this.quaternion),this.position.add(me.multiplyScalar(e)),this},translateX:function(t){return this.translateOnAxis(we,t)},translateY:function(t){return this.translateOnAxis(Me,t)},translateZ:function(t){return this.translateOnAxis(Se,t)},localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(t){return t.applyMatrix4(ge.copy(this.matrixWorld).invert())},lookAt:function(t,e,n){t.isVector3?ye.copy(t):ye.set(t,e,n);var i=this.parent;this.updateWorldMatrix(!0,!1),xe.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?ge.lookAt(xe,ye,this.up):ge.lookAt(ye,xe,this.up),this.quaternion.setFromRotationMatrix(ge),i&&(ge.extractRotation(i.matrixWorld),ve.setFromRotationMatrix(ge),this.quaternion.premultiply(ve.invert()))},add:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(Te)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)},remove:function(t){if(arguments.length>1){for(var e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}var n=this.children.indexOf(t);return-1!==n&&(t.parent=null,this.children.splice(n,1),t.dispatchEvent(Ee)),this},clear:function(){for(var t=0;t<this.children.length;t++){var e=this.children[t];e.parent=null,e.dispatchEvent(Ee)}return this.children.length=0,this},attach:function(t){return this.updateWorldMatrix(!0,!1),ge.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),ge.multiply(t.parent.matrixWorld)),t.applyMatrix4(ge),t.updateWorldMatrix(!1,!1),this.add(t),this},getObjectById:function(t){return this.getObjectByProperty("id",t)},getObjectByName:function(t){return this.getObjectByProperty("name",t)},getObjectByProperty:function(t,e){if(this[t]===e)return this;for(var n=0,i=this.children.length;n<i;n++){var r=this.children[n].getObjectByProperty(t,e);if(void 0!==r)return r}},getWorldPosition:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),t=new Lt),this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),t=new At),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xe,t,_e),t},getWorldScale:function(t){return void 0===t&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),t=new Lt),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xe,be,t),t},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),t=new Lt),this.updateWorldMatrix(!0,!1);var e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()},raycast:function(){},traverse:function(t){t(this);for(var e=this.children,n=0,i=e.length;n<i;n++)e[n].traverse(t)},traverseVisible:function(t){if(!1!==this.visible){t(this);for(var e=this.children,n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}},traverseAncestors:function(t){var e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);for(var e=this.children,n=0,i=e.length;n<i;n++)e[n].updateMatrixWorld(t)},updateWorldMatrix:function(t,e){var n=this.parent;if(!0===t&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e)for(var i=this.children,r=0,a=i.length;r<a;r++)i[r].updateWorldMatrix(!1,!0)},toJSON:function(t){var e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON()),this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);var a=this.geometry.parameters;if(void 0!==a&&void 0!==a.shapes){var o=a.shapes;if(Array.isArray(o))for(var s=0,c=o.length;s<c;s++){var l=o[s];r(t.shapes,l)}else r(t.shapes,o)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){for(var u=[],h=0,d=this.material.length;h<d;h++)u.push(r(t.materials,this.material[h]));i.material=u}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(var p=0;p<this.children.length;p++)i.children.push(this.children[p].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(var f=0;f<this.animations.length;f++){var m=this.animations[f];i.animations.push(r(t.animations,m))}}if(e){var v=M(t.geometries),g=M(t.materials),y=M(t.textures),x=M(t.images),_=M(t.shapes),b=M(t.skeletons),w=M(t.animations);v.length>0&&(n.geometries=v),g.length>0&&(n.materials=g),y.length>0&&(n.textures=y),x.length>0&&(n.images=x),_.length>0&&(n.shapes=_),b.length>0&&(n.skeletons=b),w.length>0&&(n.animations=w)}return n.object=i,n;function M(t){var e=[];for(var n in t){var i=t[n];delete i.metadata,e.push(i)}return e}},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e){if(void 0===e&&(e=!0),this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(var n=0;n<t.children.length;n++){var i=t.children[n];this.add(i.clone())}return this}});var Le=new Lt,Re=new Lt,Ce=new xt,Pe=function(){function t(t,e){Object.defineProperty(this,"isPlane",{value:!0}),this.normal=void 0!==t?t:new Lt(1,0,0),this.constant=void 0!==e?e:0}var e=t.prototype;return e.set=function(t,e){return this.normal.copy(t),this.constant=e,this},e.setComponents=function(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this},e.setFromNormalAndCoplanarPoint=function(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this},e.setFromCoplanarPoints=function(t,e,n){var i=Le.subVectors(n,e).cross(Re.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.normal.copy(t.normal),this.constant=t.constant,this},e.normalize=function(){var t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this},e.negate=function(){return this.constant*=-1,this.normal.negate(),this},e.distanceToPoint=function(t){return this.normal.dot(t)+this.constant},e.distanceToSphere=function(t){return this.distanceToPoint(t.center)-t.radius},e.projectPoint=function(t,e){return void 0===e&&(console.warn("THREE.Plane: .projectPoint() target is now required"),e=new Lt),e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)},e.intersectLine=function(t,e){void 0===e&&(console.warn("THREE.Plane: .intersectLine() target is now required"),e=new Lt);var n=t.delta(Le),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):void 0;var r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:e.copy(n).multiplyScalar(r).add(t.start)},e.intersectsLine=function(t){var e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0},e.intersectsBox=function(t){return t.intersectsPlane(this)},e.intersectsSphere=function(t){return t.intersectsPlane(this)},e.coplanarPoint=function(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new Lt),t.copy(this.normal).multiplyScalar(-this.constant)},e.applyMatrix4=function(t,e){var n=e||Ce.getNormalMatrix(t),i=this.coplanarPoint(Le).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this},e.translate=function(t){return this.constant-=t.dot(this.normal),this},e.equals=function(t){return t.normal.equals(this.normal)&&t.constant===this.constant},t}(),Oe=new Lt,Ie=new Lt,De=new Lt,Ne=new Lt,Be=new Lt,ze=new Lt,Fe=new Lt,He=new Lt,Ge=new Lt,Ue=new Lt,ke=function(){function t(t,e,n){this.a=void 0!==t?t:new Lt,this.b=void 0!==e?e:new Lt,this.c=void 0!==n?n:new Lt}t.getNormal=function(t,e,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new Lt),i.subVectors(n,e),Oe.subVectors(t,e),i.cross(Oe);var r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)},t.getBarycoord=function(t,e,n,i,r){Oe.subVectors(i,e),Ie.subVectors(n,e),De.subVectors(t,e);var a=Oe.dot(Oe),o=Oe.dot(Ie),s=Oe.dot(De),c=Ie.dot(Ie),l=Ie.dot(De),u=a*c-o*o;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new Lt),0===u)return r.set(-2,-1,-1);var h=1/u,d=(c*s-o*l)*h,p=(a*l-o*s)*h;return r.set(1-d-p,p,d)},t.containsPoint=function(t,e,n,i){return this.getBarycoord(t,e,n,i,Ne),Ne.x>=0&&Ne.y>=0&&Ne.x+Ne.y<=1},t.getUV=function(t,e,n,i,r,a,o,s){return this.getBarycoord(t,e,n,i,Ne),s.set(0,0),s.addScaledVector(r,Ne.x),s.addScaledVector(a,Ne.y),s.addScaledVector(o,Ne.z),s},t.isFrontFacing=function(t,e,n,i){return Oe.subVectors(n,e),Ie.subVectors(t,e),Oe.cross(Ie).dot(i)<0};var e=t.prototype;return e.set=function(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this},e.setFromPointsAndIndices=function(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this},e.getArea=function(){return Oe.subVectors(this.c,this.b),Ie.subVectors(this.a,this.b),.5*Oe.cross(Ie).length()},e.getMidpoint=function(t){return void 0===t&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),t=new 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t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)},t}(),Ve={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},We={h:0,s:0,l:0},je={h:0,s:0,l:0};function qe(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function Xe(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ye(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}var Ze=function(){function t(t,e,n){return Object.defineProperty(this,"isColor",{value:!0}),void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}var e=t.prototype;return e.set=function(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this},e.setScalar=function(t){return this.r=t,this.g=t,this.b=t,this},e.setHex=function(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},e.setRGB=function(t,e,n){return this.r=t,this.g=e,this.b=n,this},e.setHSL=function(t,e,n){if(t=gt.euclideanModulo(t,1),e=gt.clamp(e,0,1),n=gt.clamp(n,0,1),0===e)this.r=this.g=this.b=n;else{var i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=qe(r,i,t+1/3),this.g=qe(r,i,t),this.b=qe(r,i,t-1/3)}return this},e.setStyle=function(t){function e(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}var n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(t)){var i,r=n[1],a=n[2];switch(r){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,e(i[4]),this;if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,e(i[4]),this;break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){var o=parseFloat(i[1])/360,s=parseInt(i[2],10)/100,c=parseInt(i[3],10)/100;return 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this.r=Math.pow(t.r,n),this.g=Math.pow(t.g,n),this.b=Math.pow(t.b,n),this},e.convertGammaToLinear=function(t){return this.copyGammaToLinear(this,t),this},e.convertLinearToGamma=function(t){return this.copyLinearToGamma(this,t),this},e.copySRGBToLinear=function(t){return this.r=Xe(t.r),this.g=Xe(t.g),this.b=Xe(t.b),this},e.copyLinearToSRGB=function(t){return this.r=Ye(t.r),this.g=Ye(t.g),this.b=Ye(t.b),this},e.convertSRGBToLinear=function(){return this.copySRGBToLinear(this),this},e.convertLinearToSRGB=function(){return this.copyLinearToSRGB(this),this},e.getHex=function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},e.getHexString=function(){return("000000"+this.getHex().toString(16)).slice(-6)},e.getHSL=function(t){void 0===t&&(console.warn("THREE.Color: .getHSL() target is now required"),t={h:0,s:0,l:0});var e,n,i=this.r,r=this.g,a=this.b,o=Math.max(i,r,a),s=Math.min(i,r,a),c=(s+o)/2;if(s===o)e=0,n=0;else{var l=o-s;switch(n=c<=.5?l/(o+s):l/(2-o-s),o){case 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this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this},e.lerpHSL=function(t,e){this.getHSL(We),t.getHSL(je);var n=gt.lerp(We.h,je.h,e),i=gt.lerp(We.s,je.s,e),r=gt.lerp(We.l,je.l,e);return this.setHSL(n,i,r),this},e.equals=function(t){return t.r===this.r&&t.g===this.g&&t.b===this.b},e.fromArray=function(t,e){return void 0===e&&(e=0),this.r=t[e],this.g=t[e+1],this.b=t[e+2],this},e.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t},e.fromBufferAttribute=function(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this},e.toJSON=function(){return this.getHex()},t}();Ze.NAMES=Ve,Ze.prototype.r=1,Ze.prototype.g=1,Ze.prototype.b=1;var Je=function(){function t(t,e,n,i,r,a){void 0===a&&(a=0),this.a=t,this.b=e,this.c=n,this.normal=i&&i.isVector3?i:new Lt,this.vertexNormals=Array.isArray(i)?i:[],this.color=r&&r.isColor?r:new 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Ke(){Object.defineProperty(this,"id",{value:Qe++}),this.uuid=gt.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.flatShading=!1,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=i,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=et,this.stencilZFail=et,this.stencilZPass=et,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}function $e(t){Ke.call(this),this.type="MeshBasicMaterial",this.color=new Ze(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(t)}Ke.prototype=Object.assign(Object.create(dt.prototype),{constructor:Ke,isMaterial:!0,onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(t){if(void 0!==t)for(var e in t){var n=t[e];if(void 0!==n)if("shading"!==e){var i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}else console.warn("THREE."+this.type+": .shading has been removed. 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0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,n.reflectivity=this.reflectivity,n.refractionRatio=this.refractionRatio,void 0!==this.combine&&(n.combine=this.combine),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity)),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.size&&(n.size=this.size),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),!0===this.flatShading&&(n.flatShading=this.flatShading),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){var r=i(t.textures),a=i(t.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.flatShading=t.flatShading,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;var e=t.clippingPlanes,n=null;if(null!==e){var i=e.length;n=new Array(i);for(var r=0;r!==i;++r)n[r]=e[r].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(Ke.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),$e.prototype=Object.create(Ke.prototype),$e.prototype.constructor=$e,$e.prototype.isMeshBasicMaterial=!0,$e.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this};var tn=new Lt,en=new yt;function nn(t,e,n){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===n,this.usage=nt,this.updateRange={offset:0,count:-1},this.version=0}function rn(t,e,n){nn.call(this,new Int8Array(t),e,n)}function an(t,e,n){nn.call(this,new Uint8Array(t),e,n)}function on(t,e,n){nn.call(this,new Uint8ClampedArray(t),e,n)}function sn(t,e,n){nn.call(this,new Int16Array(t),e,n)}function cn(t,e,n){nn.call(this,new Uint16Array(t),e,n)}function ln(t,e,n){nn.call(this,new Int32Array(t),e,n)}function un(t,e,n){nn.call(this,new Uint32Array(t),e,n)}function hn(t,e,n){nn.call(this,new Uint16Array(t),e,n)}function dn(t,e,n){nn.call(this,new Float32Array(t),e,n)}function pn(t,e,n){nn.call(this,new Float64Array(t),e,n)}function fn(t){if(0===t.length)return-1/0;for(var e=t[0],n=1,i=t.length;n<i;++n)t[n]>e&&(e=t[n]);return e}Object.defineProperty(nn.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(nn.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this},copyAt:function(t,e,n){t*=this.itemSize,n*=e.itemSize;for(var i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this},copyArray:function(t){return this.array.set(t),this},copyColorsArray:function(t){for(var e=this.array,n=0,i=0,r=t.length;i<r;i++){var a=t[i];void 0===a&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),a=new Ze),e[n++]=a.r,e[n++]=a.g,e[n++]=a.b}return this},copyVector2sArray:function(t){for(var e=this.array,n=0,i=0,r=t.length;i<r;i++){var a=t[i];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),a=new yt),e[n++]=a.x,e[n++]=a.y}return this},copyVector3sArray:function(t){for(var e=this.array,n=0,i=0,r=t.length;i<r;i++){var a=t[i];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),a=new Lt),e[n++]=a.x,e[n++]=a.y,e[n++]=a.z}return this},copyVector4sArray:function(t){for(var e=this.array,n=0,i=0,r=t.length;i<r;i++){var a=t[i];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),a=new St),e[n++]=a.x,e[n++]=a.y,e[n++]=a.z,e[n++]=a.w}return this},applyMatrix3:function(t){if(2===this.itemSize)for(var e=0,n=this.count;e<n;e++)en.fromBufferAttribute(this,e),en.applyMatrix3(t),this.setXY(e,en.x,en.y);else if(3===this.itemSize)for(var i=0,r=this.count;i<r;i++)tn.fromBufferAttribute(this,i),tn.applyMatrix3(t),this.setXYZ(i,tn.x,tn.y,tn.z);return this},applyMatrix4:function(t){for(var e=0,n=this.count;e<n;e++)tn.x=this.getX(e),tn.y=this.getY(e),tn.z=this.getZ(e),tn.applyMatrix4(t),this.setXYZ(e,tn.x,tn.y,tn.z);return this},applyNormalMatrix:function(t){for(var e=0,n=this.count;e<n;e++)tn.x=this.getX(e),tn.y=this.getY(e),tn.z=this.getZ(e),tn.applyNormalMatrix(t),this.setXYZ(e,tn.x,tn.y,tn.z);return this},transformDirection:function(t){for(var e=0,n=this.count;e<n;e++)tn.x=this.getX(e),tn.y=this.getY(e),tn.z=this.getZ(e),tn.transformDirection(t),this.setXYZ(e,tn.x,tn.y,tn.z);return this},set:function(t,e){return void 0===e&&(e=0),this.array.set(t,e),this},getX:function(t){return this.array[t*this.itemSize]},setX:function(t,e){return this.array[t*this.itemSize]=e,this},getY:function(t){return this.array[t*this.itemSize+1]},setY:function(t,e){return this.array[t*this.itemSize+1]=e,this},getZ:function(t){return this.array[t*this.itemSize+2]},setZ:function(t,e){return this.array[t*this.itemSize+2]=e,this},getW:function(t){return this.array[t*this.itemSize+3]},setW:function(t,e){return this.array[t*this.itemSize+3]=e,this},setXY:function(t,e,n){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this},setXYZ:function(t,e,n,i){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this},setXYZW:function(t,e,n,i,r){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=r,this},onUpload:function(t){return this.onUploadCallback=t,this},clone:function(){return new this.constructor(this.array,this.itemSize).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}}),rn.prototype=Object.create(nn.prototype),rn.prototype.constructor=rn,an.prototype=Object.create(nn.prototype),an.prototype.constructor=an,on.prototype=Object.create(nn.prototype),on.prototype.constructor=on,sn.prototype=Object.create(nn.prototype),sn.prototype.constructor=sn,cn.prototype=Object.create(nn.prototype),cn.prototype.constructor=cn,ln.prototype=Object.create(nn.prototype),ln.prototype.constructor=ln,un.prototype=Object.create(nn.prototype),un.prototype.constructor=un,hn.prototype=Object.create(nn.prototype),hn.prototype.constructor=hn,hn.prototype.isFloat16BufferAttribute=!0,dn.prototype=Object.create(nn.prototype),dn.prototype.constructor=dn,pn.prototype=Object.create(nn.prototype),pn.prototype.constructor=pn;var mn={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:"undefined"!=typeof Uint8ClampedArray?Uint8ClampedArray:Uint8Array,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function vn(t,e){return new mn[t](e)}var gn=0,yn=new ne,xn=new Ae,_n=new Lt,bn=new Pt,wn=new Pt,Mn=new Lt;function Sn(){Object.defineProperty(this,"id",{value:gn++}),this.uuid=gt.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}Sn.prototype=Object.assign(Object.create(dt.prototype),{constructor:Sn,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(t){return Array.isArray(t)?this.index=new(fn(t)>65535?un:cn)(t,1):this.index=t,this},getAttribute:function(t){return this.attributes[t]},setAttribute:function(t,e){return this.attributes[t]=e,this},deleteAttribute:function(t){return delete this.attributes[t],this},hasAttribute:function(t){return void 0!==this.attributes[t]},addGroup:function(t,e,n){void 0===n&&(n=0),this.groups.push({start:t,count:e,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix4:function(t){var e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);var n=this.attributes.normal;if(void 0!==n){var i=(new xt).getNormalMatrix(t);n.applyNormalMatrix(i),n.needsUpdate=!0}var r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(t),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(t){return yn.makeRotationX(t),this.applyMatrix4(yn),this},rotateY:function(t){return yn.makeRotationY(t),this.applyMatrix4(yn),this},rotateZ:function(t){return yn.makeRotationZ(t),this.applyMatrix4(yn),this},translate:function(t,e,n){return yn.makeTranslation(t,e,n),this.applyMatrix4(yn),this},scale:function(t,e,n){return yn.makeScale(t,e,n),this.applyMatrix4(yn),this},lookAt:function(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(_n).negate(),this.translate(_n.x,_n.y,_n.z),this},setFromPoints:function(t){for(var e=[],n=0,i=t.length;n<i;n++){var r=t[n];e.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new dn(e,3)),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new Pt);var t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Lt(-1/0,-1/0,-1/0),new Lt(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(var n=0,i=e.length;n<i;n++){var r=e[n];bn.setFromBufferAttribute(r),this.morphTargetsRelative?(Mn.addVectors(this.boundingBox.min,bn.min),this.boundingBox.expandByPoint(Mn),Mn.addVectors(this.boundingBox.max,bn.max),this.boundingBox.expandByPoint(Mn)):(this.boundingBox.expandByPoint(bn.min),this.boundingBox.expandByPoint(bn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new Xt);var t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Lt,1/0);if(t){var n=this.boundingSphere.center;if(bn.setFromBufferAttribute(t),e)for(var i=0,r=e.length;i<r;i++){var a=e[i];wn.setFromBufferAttribute(a),this.morphTargetsRelative?(Mn.addVectors(bn.min,wn.min),bn.expandByPoint(Mn),Mn.addVectors(bn.max,wn.max),bn.expandByPoint(Mn)):(bn.expandByPoint(wn.min),bn.expandByPoint(wn.max))}bn.getCenter(n);for(var o=0,s=0,c=t.count;s<c;s++)Mn.fromBufferAttribute(t,s),o=Math.max(o,n.distanceToSquared(Mn));if(e)for(var l=0,u=e.length;l<u;l++)for(var h=e[l],d=this.morphTargetsRelative,p=0,f=h.count;p<f;p++)Mn.fromBufferAttribute(h,p),d&&(_n.fromBufferAttribute(t,p),Mn.add(_n)),o=Math.max(o,n.distanceToSquared(Mn));this.boundingSphere.radius=Math.sqrt(o),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeTangents:function(){var t=this.index,e=this.attributes;if(null!==t&&void 0!==e.position&&void 0!==e.normal&&void 0!==e.uv){var n=t.array,i=e.position.array,r=e.normal.array,a=e.uv.array,o=i.length/3;void 0===e.tangent&&this.setAttribute("tangent",new nn(new Float32Array(4*o),4));for(var s=e.tangent.array,c=[],l=[],u=0;u<o;u++)c[u]=new Lt,l[u]=new Lt;var h=new Lt,d=new Lt,p=new Lt,f=new yt,m=new yt,v=new yt,g=new Lt,y=new Lt,x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(var _=0,b=x.length;_<b;++_)for(var w=x[_],M=w.start,S=M,T=M+w.count;S<T;S+=3)B(n[S+0],n[S+1],n[S+2]);for(var E=new Lt,A=new Lt,L=new Lt,R=new Lt,C=0,P=x.length;C<P;++C)for(var O=x[C],I=O.start,D=I,N=I+O.count;D<N;D+=3)z(n[D+0]),z(n[D+1]),z(n[D+2])}else console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");function B(t,e,n){h.fromArray(i,3*t),d.fromArray(i,3*e),p.fromArray(i,3*n),f.fromArray(a,2*t),m.fromArray(a,2*e),v.fromArray(a,2*n),d.sub(h),p.sub(h),m.sub(f),v.sub(f);var r=1/(m.x*v.y-v.x*m.y);isFinite(r)&&(g.copy(d).multiplyScalar(v.y).addScaledVector(p,-m.y).multiplyScalar(r),y.copy(p).multiplyScalar(m.x).addScaledVector(d,-v.x).multiplyScalar(r),c[t].add(g),c[e].add(g),c[n].add(g),l[t].add(y),l[e].add(y),l[n].add(y))}function z(t){L.fromArray(r,3*t),R.copy(L);var e=c[t];E.copy(e),E.sub(L.multiplyScalar(L.dot(e))).normalize(),A.crossVectors(R,e);var n=A.dot(l[t])<0?-1:1;s[4*t]=E.x,s[4*t+1]=E.y,s[4*t+2]=E.z,s[4*t+3]=n}},computeVertexNormals:function(){var t=this.index,e=this.getAttribute("position");if(void 0!==e){var n=this.getAttribute("normal");if(void 0===n)n=new nn(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(var i=0,r=n.count;i<r;i++)n.setXYZ(i,0,0,0);var a=new Lt,o=new Lt,s=new Lt,c=new Lt,l=new Lt,u=new Lt,h=new Lt,d=new Lt;if(t)for(var p=0,f=t.count;p<f;p+=3){var m=t.getX(p+0),v=t.getX(p+1),g=t.getX(p+2);a.fromBufferAttribute(e,m),o.fromBufferAttribute(e,v),s.fromBufferAttribute(e,g),h.subVectors(s,o),d.subVectors(a,o),h.cross(d),c.fromBufferAttribute(n,m),l.fromBufferAttribute(n,v),u.fromBufferAttribute(n,g),c.add(h),l.add(h),u.add(h),n.setXYZ(m,c.x,c.y,c.z),n.setXYZ(v,l.x,l.y,l.z),n.setXYZ(g,u.x,u.y,u.z)}else for(var y=0,x=e.count;y<x;y+=3)a.fromBufferAttribute(e,y+0),o.fromBufferAttribute(e,y+1),s.fromBufferAttribute(e,y+2),h.subVectors(s,o),d.subVectors(a,o),h.cross(d),n.setXYZ(y+0,h.x,h.y,h.z),n.setXYZ(y+1,h.x,h.y,h.z),n.setXYZ(y+2,h.x,h.y,h.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(t,e){if(t&&t.isBufferGeometry){void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));var n=this.attributes;for(var i in n)if(void 0!==t.attributes[i])for(var r=n[i].array,a=t.attributes[i],o=a.array,s=a.itemSize*e,c=Math.min(o.length,r.length-s),l=0,u=s;l<c;l++,u++)r[u]=o[l];return this}console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t)},normalizeNormals:function(){for(var t=this.attributes.normal,e=0,n=t.count;e<n;e++)Mn.fromBufferAttribute(t,e),Mn.normalize(),t.setXYZ(e,Mn.x,Mn.y,Mn.z)},toNonIndexed:function(){function t(t,e){for(var n=t.array,i=t.itemSize,r=t.normalized,a=new n.constructor(e.length*i),o=0,s=0,c=0,l=e.length;c<l;c++){o=e[c]*i;for(var u=0;u<i;u++)a[s++]=n[o++]}return new nn(a,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;var e=new Sn,n=this.index.array,i=this.attributes;for(var r in i){var a=t(i[r],n);e.setAttribute(r,a)}var o=this.morphAttributes;for(var s in o){for(var c=[],l=o[s],u=0,h=l.length;u<h;u++){var d=t(l[u],n);c.push(d)}e.morphAttributes[s]=c}e.morphTargetsRelative=this.morphTargetsRelative;for(var p=this.groups,f=0,m=p.length;f<m;f++){var v=p[f];e.addGroup(v.start,v.count,v.materialIndex)}return e},toJSON:function(){var t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){var e=this.parameters;for(var n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};var i=this.index;null!==i&&(t.data.index={type:i.array.constructor.name,array:Array.prototype.slice.call(i.array)});var r=this.attributes;for(var a in r){var o=r[a],s=o.toJSON(t.data);""!==o.name&&(s.name=o.name),t.data.attributes[a]=s}var c={},l=!1;for(var u in this.morphAttributes){for(var h=this.morphAttributes[u],d=[],p=0,f=h.length;p<f;p++){var m=h[p],v=m.toJSON(t.data);""!==m.name&&(v.name=m.name),d.push(v)}d.length>0&&(c[u]=d,l=!0)}l&&(t.data.morphAttributes=c,t.data.morphTargetsRelative=this.morphTargetsRelative);var g=this.groups;g.length>0&&(t.data.groups=JSON.parse(JSON.stringify(g)));var y=this.boundingSphere;return null!==y&&(t.data.boundingSphere={center:y.center.toArray(),radius:y.radius}),t},clone:function(){return(new Sn).copy(this)},copy:function(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;var e={};this.name=t.name;var n=t.index;null!==n&&this.setIndex(n.clone(e));var i=t.attributes;for(var r in i){var a=i[r];this.setAttribute(r,a.clone(e))}var o=t.morphAttributes;for(var s in o){for(var c=[],l=o[s],u=0,h=l.length;u<h;u++)c.push(l[u].clone(e));this.morphAttributes[s]=c}this.morphTargetsRelative=t.morphTargetsRelative;for(var d=t.groups,p=0,f=d.length;p<f;p++){var m=d[p];this.addGroup(m.start,m.count,m.materialIndex)}var v=t.boundingBox;null!==v&&(this.boundingBox=v.clone());var g=t.boundingSphere;return null!==g&&(this.boundingSphere=g.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}});var Tn=new ne,En=new ee,An=new Xt,Ln=new Lt,Rn=new Lt,Cn=new Lt,Pn=new Lt,On=new Lt,In=new Lt,Dn=new Lt,Nn=new Lt,Bn=new Lt,zn=new yt,Fn=new yt,Hn=new yt,Gn=new Lt,Un=new Lt;function kn(t,e){void 0===t&&(t=new Sn),void 0===e&&(e=new $e),Ae.call(this),this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}function Vn(t,e,n,i,r,a,o,s,c,l,u,h){Ln.fromBufferAttribute(r,l),Rn.fromBufferAttribute(r,u),Cn.fromBufferAttribute(r,h);var d=t.morphTargetInfluences;if(e.morphTargets&&a&&d){Dn.set(0,0,0),Nn.set(0,0,0),Bn.set(0,0,0);for(var p=0,f=a.length;p<f;p++){var m=d[p],v=a[p];0!==m&&(Pn.fromBufferAttribute(v,l),On.fromBufferAttribute(v,u),In.fromBufferAttribute(v,h),o?(Dn.addScaledVector(Pn,m),Nn.addScaledVector(On,m),Bn.addScaledVector(In,m)):(Dn.addScaledVector(Pn.sub(Ln),m),Nn.addScaledVector(On.sub(Rn),m),Bn.addScaledVector(In.sub(Cn),m)))}Ln.add(Dn),Rn.add(Nn),Cn.add(Bn)}t.isSkinnedMesh&&(t.boneTransform(l,Ln),t.boneTransform(u,Rn),t.boneTransform(h,Cn));var g=function(t,e,n,i,r,a,o,s){if(null===(1===e.side?i.intersectTriangle(o,a,r,!0,s):i.intersectTriangle(r,a,o,2!==e.side,s)))return null;Un.copy(s),Un.applyMatrix4(t.matrixWorld);var c=n.ray.origin.distanceTo(Un);return c<n.near||c>n.far?null:{distance:c,point:Un.clone(),object:t}}(t,e,n,i,Ln,Rn,Cn,Gn);if(g){s&&(zn.fromBufferAttribute(s,l),Fn.fromBufferAttribute(s,u),Hn.fromBufferAttribute(s,h),g.uv=ke.getUV(Gn,Ln,Rn,Cn,zn,Fn,Hn,new yt)),c&&(zn.fromBufferAttribute(c,l),Fn.fromBufferAttribute(c,u),Hn.fromBufferAttribute(c,h),g.uv2=ke.getUV(Gn,Ln,Rn,Cn,zn,Fn,Hn,new yt));var y=new Je(l,u,h);ke.getNormal(Ln,Rn,Cn,y.normal),g.face=y}return g}kn.prototype=Object.assign(Object.create(Ae.prototype),{constructor:kn,isMesh:!0,copy:function(t){return Ae.prototype.copy.call(this,t),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this},updateMorphTargets:function(){var t=this.geometry;if(t.isBufferGeometry){var e=t.morphAttributes,n=Object.keys(e);if(n.length>0){var i=e[n[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var r=0,a=i.length;r<a;r++){var o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{var s=t.morphTargets;void 0!==s&&s.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(t,e){var n,i=this.geometry,r=this.material,a=this.matrixWorld;if(void 0!==r&&(null===i.boundingSphere&&i.computeBoundingSphere(),An.copy(i.boundingSphere),An.applyMatrix4(a),!1!==t.ray.intersectsSphere(An)&&(Tn.copy(a).invert(),En.copy(t.ray).applyMatrix4(Tn),null===i.boundingBox||!1!==En.intersectsBox(i.boundingBox))))if(i.isBufferGeometry){var o=i.index,s=i.attributes.position,c=i.morphAttributes.position,l=i.morphTargetsRelative,u=i.attributes.uv,h=i.attributes.uv2,d=i.groups,p=i.drawRange;if(null!==o)if(Array.isArray(r))for(var f=0,m=d.length;f<m;f++)for(var v=d[f],g=r[v.materialIndex],y=Math.max(v.start,p.start),x=Math.min(v.start+v.count,p.start+p.count);y<x;y+=3){var _=o.getX(y),b=o.getX(y+1),w=o.getX(y+2);(n=Vn(this,g,t,En,s,c,l,u,h,_,b,w))&&(n.faceIndex=Math.floor(y/3),n.face.materialIndex=v.materialIndex,e.push(n))}else for(var M=Math.max(0,p.start),S=Math.min(o.count,p.start+p.count);M<S;M+=3){var T=o.getX(M),E=o.getX(M+1),A=o.getX(M+2);(n=Vn(this,r,t,En,s,c,l,u,h,T,E,A))&&(n.faceIndex=Math.floor(M/3),e.push(n))}else if(void 0!==s)if(Array.isArray(r))for(var L=0,R=d.length;L<R;L++)for(var C=d[L],P=r[C.materialIndex],O=Math.max(C.start,p.start),I=Math.min(C.start+C.count,p.start+p.count);O<I;O+=3){(n=Vn(this,P,t,En,s,c,l,u,h,O,O+1,O+2))&&(n.faceIndex=Math.floor(O/3),n.face.materialIndex=C.materialIndex,e.push(n))}else for(var D=Math.max(0,p.start),N=Math.min(s.count,p.start+p.count);D<N;D+=3){(n=Vn(this,r,t,En,s,c,l,u,h,D,D+1,D+2))&&(n.faceIndex=Math.floor(D/3),e.push(n))}}else i.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}});var Wn=function(t){function e(e,n,i,r,a,o){var s;void 0===e&&(e=1),void 0===n&&(n=1),void 0===i&&(i=1),void 0===r&&(r=1),void 0===a&&(a=1),void 0===o&&(o=1),(s=t.call(this)||this).type="BoxGeometry",s.parameters={width:e,height:n,depth:i,widthSegments:r,heightSegments:a,depthSegments:o};var c=lt(s);r=Math.floor(r),a=Math.floor(a),o=Math.floor(o);var l=[],u=[],h=[],d=[],p=0,f=0;function m(t,e,n,i,r,a,o,s,m,v,g){for(var y=a/m,x=o/v,_=a/2,b=o/2,w=s/2,M=m+1,S=v+1,T=0,E=0,A=new Lt,L=0;L<S;L++)for(var R=L*x-b,C=0;C<M;C++){var P=C*y-_;A[t]=P*i,A[e]=R*r,A[n]=w,u.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=s>0?1:-1,h.push(A.x,A.y,A.z),d.push(C/m),d.push(1-L/v),T+=1}for(var O=0;O<v;O++)for(var I=0;I<m;I++){var D=p+I+M*O,N=p+I+M*(O+1),B=p+(I+1)+M*(O+1),z=p+(I+1)+M*O;l.push(D,N,z),l.push(N,B,z),E+=6}c.addGroup(f,E,g),f+=E,p+=T}return m("z","y","x",-1,-1,i,n,e,o,a,0),m("z","y","x",1,-1,i,n,-e,o,a,1),m("x","z","y",1,1,e,i,n,r,o,2),m("x","z","y",1,-1,e,i,-n,r,o,3),m("x","y","z",1,-1,e,n,i,r,a,4),m("x","y","z",-1,-1,e,n,-i,r,a,5),s.setIndex(l),s.setAttribute("position",new dn(u,3)),s.setAttribute("normal",new dn(h,3)),s.setAttribute("uv",new dn(d,2)),s}return ct(e,t),e}(Sn);function jn(t){var e={};for(var n in t)for(var i in e[n]={},t[n]){var r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture)?e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}return e}function qn(t){for(var e={},n=0;n<t.length;n++){var i=jn(t[n]);for(var r in i)e[r]=i[r]}return e}var Xn={clone:jn,merge:qn};function Yn(t){Ke.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&(void 0!==t.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(t))}function Zn(){Ae.call(this),this.type="Camera",this.matrixWorldInverse=new ne,this.projectionMatrix=new ne,this.projectionMatrixInverse=new ne}function Jn(t,e,n,i){void 0===t&&(t=50),void 0===e&&(e=1),void 0===n&&(n=.1),void 0===i&&(i=2e3),Zn.call(this),this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}Yn.prototype=Object.create(Ke.prototype),Yn.prototype.constructor=Yn,Yn.prototype.isShaderMaterial=!0,Yn.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=jn(t.uniforms),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.lights=t.lights,this.clipping=t.clipping,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this},Yn.prototype.toJSON=function(t){var e=Ke.prototype.toJSON.call(this,t);for(var n in e.glslVersion=this.glslVersion,e.uniforms={},this.uniforms){var i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;var r={};for(var a in this.extensions)!0===this.extensions[a]&&(r[a]=!0);return Object.keys(r).length>0&&(e.extensions=r),e},Zn.prototype=Object.assign(Object.create(Ae.prototype),{constructor:Zn,isCamera:!0,copy:function(t,e){return Ae.prototype.copy.call(this,t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),t=new Lt),this.updateWorldMatrix(!0,!1);var e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()},updateMatrixWorld:function(t){Ae.prototype.updateMatrixWorld.call(this,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()},updateWorldMatrix:function(t,e){Ae.prototype.updateWorldMatrix.call(this,t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()},clone:function(){return(new this.constructor).copy(this)}}),Jn.prototype=Object.assign(Object.create(Zn.prototype),{constructor:Jn,isPerspectiveCamera:!0,copy:function(t,e){return Zn.prototype.copy.call(this,t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this},setFocalLength:function(t){var e=.5*this.getFilmHeight()/t;this.fov=2*gt.RAD2DEG*Math.atan(e),this.updateProjectionMatrix()},getFocalLength:function(){var t=Math.tan(.5*gt.DEG2RAD*this.fov);return.5*this.getFilmHeight()/t},getEffectiveFOV:function(){return 2*gt.RAD2DEG*Math.atan(Math.tan(.5*gt.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(t,e,n,i,r,a){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var t=this.near,e=t*Math.tan(.5*gt.DEG2RAD*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i,a=this.view;if(null!==this.view&&this.view.enabled){var o=a.fullWidth,s=a.fullHeight;r+=a.offsetX*i/o,e-=a.offsetY*n/s,i*=a.width/o,n*=a.height/s}var c=this.filmOffset;0!==c&&(r+=t*c/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(t){var e=Ae.prototype.toJSON.call(this,t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}});var Qn=90;function Kn(t,e,n){if(Ae.call(this),this.type="CubeCamera",!0===n.isWebGLCubeRenderTarget){this.renderTarget=n;var i=new Jn(Qn,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Lt(1,0,0)),this.add(i);var r=new Jn(Qn,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Lt(-1,0,0)),this.add(r);var a=new Jn(Qn,1,t,e);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new Lt(0,1,0)),this.add(a);var o=new Jn(Qn,1,t,e);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new Lt(0,-1,0)),this.add(o);var s=new Jn(Qn,1,t,e);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Lt(0,0,1)),this.add(s);var c=new Jn(Qn,1,t,e);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new Lt(0,0,-1)),this.add(c),this.update=function(t,e){null===this.parent&&this.updateMatrixWorld();var l=t.xr.enabled,u=t.getRenderTarget();t.xr.enabled=!1;var h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,a),t.setRenderTarget(n,3),t.render(e,o),t.setRenderTarget(n,4),t.render(e,s),n.texture.generateMipmaps=h,t.setRenderTarget(n,5),t.render(e,c),t.setRenderTarget(u),t.xr.enabled=l}}else console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.")}function $n(t,e,n,i,r,o,s,c,l,u){t=void 0!==t?t:[],e=void 0!==e?e:a,s=void 0!==s?s:E,wt.call(this,t,e,n,i,r,o,s,c,l,u),this.flipY=!1,this._needsFlipEnvMap=!0}Kn.prototype=Object.create(Ae.prototype),Kn.prototype.constructor=Kn,$n.prototype=Object.create(wt.prototype),$n.prototype.constructor=$n,$n.prototype.isCubeTexture=!0,Object.defineProperty($n.prototype,"images",{get:function(){return this.image},set:function(t){this.image=t}});var ti=function(t){function e(e,n,i){var r;return Number.isInteger(n)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),n=i),r=t.call(this,e,e,n)||this,Object.defineProperty(lt(r),"isWebGLCubeRenderTarget",{value:!0}),n=n||{},r.texture=new $n(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),r.texture._needsFlipEnvMap=!1,r}ct(e,t);var n=e.prototype;return n.fromEquirectangularTexture=function(t,e){this.texture.type=e.type,this.texture.format=A,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;var n={tEquirect:{value:null}},i="\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",r="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t",a=new Wn(5,5,5),o=new Yn({name:"CubemapFromEquirect",uniforms:jn(n),vertexShader:i,fragmentShader:r,side:1,blending:0});o.uniforms.tEquirect.value=e;var s=new kn(a,o),c=e.minFilter;return e.minFilter===x&&(e.minFilter=g),new Kn(1,10,this).update(t,s),e.minFilter=c,s.geometry.dispose(),s.material.dispose(),this},n.clear=function(t,e,n,i){for(var r=t.getRenderTarget(),a=0;a<6;a++)t.setRenderTarget(this,a),t.clear(e,n,i);t.setRenderTarget(r)},e}(Tt);function ei(t,e,n,i,r,a,o,s,c,l,u,h){wt.call(this,null,a,o,s,c,l,i,r,u,h),this.image={data:t||null,width:e||1,height:n||1},this.magFilter=void 0!==c?c:f,this.minFilter=void 0!==l?l:f,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}ei.prototype=Object.create(wt.prototype),ei.prototype.constructor=ei,ei.prototype.isDataTexture=!0;var ni=new Xt,ii=new Lt,ri=function(){function t(t,e,n,i,r,a){this.planes=[void 0!==t?t:new Pe,void 0!==e?e:new Pe,void 0!==n?n:new Pe,void 0!==i?i:new Pe,void 0!==r?r:new Pe,void 0!==a?a:new Pe]}var e=t.prototype;return e.set=function(t,e,n,i,r,a){var o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){for(var e=this.planes,n=0;n<6;n++)e[n].copy(t.planes[n]);return this},e.setFromProjectionMatrix=function(t){var e=this.planes,n=t.elements,i=n[0],r=n[1],a=n[2],o=n[3],s=n[4],c=n[5],l=n[6],u=n[7],h=n[8],d=n[9],p=n[10],f=n[11],m=n[12],v=n[13],g=n[14],y=n[15];return e[0].setComponents(o-i,u-s,f-h,y-m).normalize(),e[1].setComponents(o+i,u+s,f+h,y+m).normalize(),e[2].setComponents(o+r,u+c,f+d,y+v).normalize(),e[3].setComponents(o-r,u-c,f-d,y-v).normalize(),e[4].setComponents(o-a,u-l,f-p,y-g).normalize(),e[5].setComponents(o+a,u+l,f+p,y+g).normalize(),this},e.intersectsObject=function(t){var e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),ni.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(ni)},e.intersectsSprite=function(t){return ni.center.set(0,0,0),ni.radius=.7071067811865476,ni.applyMatrix4(t.matrixWorld),this.intersectsSphere(ni)},e.intersectsSphere=function(t){for(var e=this.planes,n=t.center,i=-t.radius,r=0;r<6;r++){if(e[r].distanceToPoint(n)<i)return!1}return!0},e.intersectsBox=function(t){for(var e=this.planes,n=0;n<6;n++){var i=e[n];if(ii.x=i.normal.x>0?t.max.x:t.min.x,ii.y=i.normal.y>0?t.max.y:t.min.y,ii.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ii)<0)return!1}return!0},e.containsPoint=function(t){for(var e=this.planes,n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0},t}();function ai(){var t=null,e=!1,n=null,i=null;function r(e,a){n(e,a),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function oi(t,e){var n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);var n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){var a=i.get(e);(!a||a.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version})}else{e.isInterleavedBufferAttribute&&(e=e.data);var o=i.get(e);void 0===o?i.set(e,function(e,i){var r=e.array,a=e.usage,o=t.createBuffer();t.bindBuffer(i,o),t.bufferData(i,r,a),e.onUploadCallback();var s=5126;return r instanceof Float32Array?s=5126:r instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):r instanceof Uint16Array?e.isFloat16BufferAttribute?n?s=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):s=5123:r instanceof Int16Array?s=5122:r instanceof Uint32Array?s=5125:r instanceof Int32Array?s=5124:r instanceof Int8Array?s=5120:r instanceof Uint8Array&&(s=5121),{buffer:o,type:s,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):o.version<e.version&&(!function(e,i,r){var a=i.array,o=i.updateRange;t.bindBuffer(r,e),-1===o.count?t.bufferSubData(r,0,a):(n?t.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a,o.offset,o.count):t.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a.subarray(o.offset,o.offset+o.count)),o.count=-1)}(o.buffer,e,r),o.version=e.version)}}}}var si=function(t){function e(e,n,i,r){var a;void 0===e&&(e=1),void 0===n&&(n=1),void 0===i&&(i=1),void 0===r&&(r=1),(a=t.call(this)||this).type="PlaneGeometry",a.parameters={width:e,height:n,widthSegments:i,heightSegments:r};for(var o=e/2,s=n/2,c=Math.floor(i),l=Math.floor(r),u=c+1,h=l+1,d=e/c,p=n/l,f=[],m=[],v=[],g=[],y=0;y<h;y++)for(var x=y*p-s,_=0;_<u;_++){var b=_*d-o;m.push(b,-x,0),v.push(0,0,1),g.push(_/c),g.push(1-y/l)}for(var w=0;w<l;w++)for(var M=0;M<c;M++){var S=M+u*w,T=M+u*(w+1),E=M+1+u*(w+1),A=M+1+u*w;f.push(S,T,A),f.push(T,E,A)}return a.setIndex(f),a.setAttribute("position",new dn(m,3)),a.setAttribute("normal",new dn(v,3)),a.setAttribute("uv",new dn(g,2)),a}return ct(e,t),e}(Sn),ci={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor.xyz *= color.xyz;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tfogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(\t\t0, 1,\t\t0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\t\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\t\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin:"#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t\tf.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t\tf.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(\t1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,\t1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,\t1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmissionmap_fragment:"#ifdef USE_TRANSMISSIONMAP\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n#endif",transmissionmap_pars_fragment:"#ifdef USE_TRANSMISSIONMAP\n\tuniform sampler2D transmissionMap;\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag:"#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - 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<logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 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Zr(t,e){return(e.castShadow?1:0)-(t.castShadow?1:0)}function Jr(t,e){for(var n,i=new Xr,r=(n={},{get:function(t){if(void 0!==n[t.id])return n[t.id];var e;switch(t.type){case"DirectionalLight":case"SpotLight":e={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new yt};break;case"PointLight":e={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new yt,shadowCameraNear:1,shadowCameraFar:1e3}}return n[t.id]=e,e}}),a={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]},o=0;o<9;o++)a.probe.push(new Lt);var s=new Lt,c=new ne,l=new ne;return{setup:function(n){for(var o=0,s=0,c=0,l=0;l<9;l++)a.probe[l].set(0,0,0);var u=0,h=0,d=0,p=0,f=0,m=0,v=0,g=0;n.sort(Zr);for(var y=0,x=n.length;y<x;y++){var _=n[y],b=_.color,w=_.intensity,M=_.distance,S=_.shadow&&_.shadow.map?_.shadow.map.texture:null;if(_.isAmbientLight)o+=b.r*w,s+=b.g*w,c+=b.b*w;else if(_.isLightProbe)for(var T=0;T<9;T++)a.probe[T].addScaledVector(_.sh.coefficients[T],w);else if(_.isDirectionalLight){var E=i.get(_);if(E.color.copy(_.color).multiplyScalar(_.intensity),_.castShadow){var A=_.shadow,L=r.get(_);L.shadowBias=A.bias,L.shadowNormalBias=A.normalBias,L.shadowRadius=A.radius,L.shadowMapSize=A.mapSize,a.directionalShadow[u]=L,a.directionalShadowMap[u]=S,a.directionalShadowMatrix[u]=_.shadow.matrix,m++}a.directional[u]=E,u++}else if(_.isSpotLight){var R=i.get(_);if(R.position.setFromMatrixPosition(_.matrixWorld),R.color.copy(b).multiplyScalar(w),R.distance=M,R.coneCos=Math.cos(_.angle),R.penumbraCos=Math.cos(_.angle*(1-_.penumbra)),R.decay=_.decay,_.castShadow){var C=_.shadow,P=r.get(_);P.shadowBias=C.bias,P.shadowNormalBias=C.normalBias,P.shadowRadius=C.radius,P.shadowMapSize=C.mapSize,a.spotShadow[d]=P,a.spotShadowMap[d]=S,a.spotShadowMatrix[d]=_.shadow.matrix,g++}a.spot[d]=R,d++}else if(_.isRectAreaLight){var O=i.get(_);O.color.copy(b).multiplyScalar(w),O.halfWidth.set(.5*_.width,0,0),O.halfHeight.set(0,.5*_.height,0),a.rectArea[p]=O,p++}else if(_.isPointLight){var I=i.get(_);if(I.color.copy(_.color).multiplyScalar(_.intensity),I.distance=_.distance,I.decay=_.decay,_.castShadow){var D=_.shadow,N=r.get(_);N.shadowBias=D.bias,N.shadowNormalBias=D.normalBias,N.shadowRadius=D.radius,N.shadowMapSize=D.mapSize,N.shadowCameraNear=D.camera.near,N.shadowCameraFar=D.camera.far,a.pointShadow[h]=N,a.pointShadowMap[h]=S,a.pointShadowMatrix[h]=_.shadow.matrix,v++}a.point[h]=I,h++}else if(_.isHemisphereLight){var B=i.get(_);B.skyColor.copy(_.color).multiplyScalar(w),B.groundColor.copy(_.groundColor).multiplyScalar(w),a.hemi[f]=B,f++}}p>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(a.rectAreaLTC1=li.LTC_FLOAT_1,a.rectAreaLTC2=li.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(a.rectAreaLTC1=li.LTC_HALF_1,a.rectAreaLTC2=li.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),a.ambient[0]=o,a.ambient[1]=s,a.ambient[2]=c;var z=a.hash;z.directionalLength===u&&z.pointLength===h&&z.spotLength===d&&z.rectAreaLength===p&&z.hemiLength===f&&z.numDirectionalShadows===m&&z.numPointShadows===v&&z.numSpotShadows===g||(a.directional.length=u,a.spot.length=d,a.rectArea.length=p,a.point.length=h,a.hemi.length=f,a.directionalShadow.length=m,a.directionalShadowMap.length=m,a.pointShadow.length=v,a.pointShadowMap.length=v,a.spotShadow.length=g,a.spotShadowMap.length=g,a.directionalShadowMatrix.length=m,a.pointShadowMatrix.length=v,a.spotShadowMatrix.length=g,z.directionalLength=u,z.pointLength=h,z.spotLength=d,z.rectAreaLength=p,z.hemiLength=f,z.numDirectionalShadows=m,z.numPointShadows=v,z.numSpotShadows=g,a.version=Yr++)},setupView:function(t,e){for(var n=0,i=0,r=0,o=0,u=0,h=e.matrixWorldInverse,d=0,p=t.length;d<p;d++){var f=t[d];if(f.isDirectionalLight){var m=a.directional[n];m.direction.setFromMatrixPosition(f.matrixWorld),s.setFromMatrixPosition(f.target.matrixWorld),m.direction.sub(s),m.direction.transformDirection(h),n++}else if(f.isSpotLight){var v=a.spot[r];v.position.setFromMatrixPosition(f.matrixWorld),v.position.applyMatrix4(h),v.direction.setFromMatrixPosition(f.matrixWorld),s.setFromMatrixPosition(f.target.matrixWorld),v.direction.sub(s),v.direction.transformDirection(h),r++}else if(f.isRectAreaLight){var g=a.rectArea[o];g.position.setFromMatrixPosition(f.matrixWorld),g.position.applyMatrix4(h),l.identity(),c.copy(f.matrixWorld),c.premultiply(h),l.extractRotation(c),g.halfWidth.set(.5*f.width,0,0),g.halfHeight.set(0,.5*f.height,0),g.halfWidth.applyMatrix4(l),g.halfHeight.applyMatrix4(l),o++}else if(f.isPointLight){var y=a.point[i];y.position.setFromMatrixPosition(f.matrixWorld),y.position.applyMatrix4(h),i++}else if(f.isHemisphereLight){var x=a.hemi[u];x.direction.setFromMatrixPosition(f.matrixWorld),x.direction.transformDirection(h),x.direction.normalize(),u++}}},state:a}}function Qr(t,e){var n=new Jr(t,e),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(){n.setup(i)},setupLightsView:function(t){n.setupView(i,t)},pushLight:function(t){i.push(t)},pushShadow:function(t){r.push(t)}}}function Kr(t,e){var n=new WeakMap;return{get:function(i,r){var a;return void 0===r&&(r=0),!1===n.has(i)?(a=new Qr(t,e),n.set(i,[]),n.get(i).push(a)):r>=n.get(i).length?(a=new Qr(t,e),n.get(i).push(a)):a=n.get(i)[r],a},dispose:function(){n=new WeakMap}}}function $r(t){Ke.call(this),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(t)}function ta(t){Ke.call(this),this.type="MeshDistanceMaterial",this.referencePosition=new Lt,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(t)}$r.prototype=Object.create(Ke.prototype),$r.prototype.constructor=$r,$r.prototype.isMeshDepthMaterial=!0,$r.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.depthPacking=t.depthPacking,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this},ta.prototype=Object.create(Ke.prototype),ta.prototype.constructor=ta,ta.prototype.isMeshDistanceMaterial=!0,ta.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.referencePosition.copy(t.referencePosition),this.nearDistance=t.nearDistance,this.farDistance=t.farDistance,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this};function ea(t,e,n){var i=new ri,r=new yt,a=new yt,o=new St,s=[],c=[],l={},u={0:1,1:0,2:2},h=new Yn({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new yt},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),d=h.clone();d.defines.HORIZONTAL_PASS=1;var p=new Sn;p.setAttribute("position",new nn(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));var m=new kn(p,h),v=this;function y(n,i){var r=e.update(m);h.uniforms.shadow_pass.value=n.map.texture,h.uniforms.resolution.value=n.mapSize,h.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,r,h,m,null),d.uniforms.shadow_pass.value=n.mapPass.texture,d.uniforms.resolution.value=n.mapSize,d.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,r,d,m,null)}function x(t,e,n){var i=t<<0|e<<1|n<<2,r=s[i];return void 0===r&&(r=new $r({depthPacking:3201,morphTargets:t,skinning:e}),s[i]=r),r}function _(t,e,n){var i=t<<0|e<<1|n<<2,r=c[i];return void 0===r&&(r=new ta({morphTargets:t,skinning:e}),c[i]=r),r}function b(e,n,i,r,a,o,s){var c=null,h=x,d=e.customDepthMaterial;if(!0===r.isPointLight&&(h=_,d=e.customDistanceMaterial),void 0===d){var p=!1;!0===i.morphTargets&&(p=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);var f=!1;!0===e.isSkinnedMesh&&(!0===i.skinning?f=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",e)),c=h(p,f,!0===e.isInstancedMesh)}else c=d;if(t.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){var m=c.uuid,v=i.uuid,g=l[m];void 0===g&&(g={},l[m]=g);var y=g[v];void 0===y&&(y=c.clone(),g[v]=y),c=y}return c.visible=i.visible,c.wireframe=i.wireframe,c.side=3===s?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:u[i.side],c.clipShadows=i.clipShadows,c.clippingPlanes=i.clippingPlanes,c.clipIntersection=i.clipIntersection,c.wireframeLinewidth=i.wireframeLinewidth,c.linewidth=i.linewidth,!0===r.isPointLight&&!0===c.isMeshDistanceMaterial&&(c.referencePosition.setFromMatrixPosition(r.matrixWorld),c.nearDistance=a,c.farDistance=o),c}function w(n,r,a,o,s){if(!1!==n.visible){if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);var c=e.update(n),l=n.material;if(Array.isArray(l))for(var u=c.groups,h=0,d=u.length;h<d;h++){var p=u[h],f=l[p.materialIndex];if(f&&f.visible){var m=b(n,c,f,o,a.near,a.far,s);t.renderBufferDirect(a,null,c,m,n,p)}}else if(l.visible){var v=b(n,c,l,o,a.near,a.far,s);t.renderBufferDirect(a,null,c,v,n,null)}}for(var g=n.children,y=0,x=g.length;y<x;y++)w(g[y],r,a,o,s)}}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(e,s,c){if(!1!==v.enabled&&(!1!==v.autoUpdate||!1!==v.needsUpdate)&&0!==e.length){var l=t.getRenderTarget(),u=t.getActiveCubeFace(),h=t.getActiveMipmapLevel(),d=t.state;d.setBlending(0),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);for(var p=0,m=e.length;p<m;p++){var x=e[p],_=x.shadow;if(void 0!==_){if(!1!==_.autoUpdate||!1!==_.needsUpdate){r.copy(_.mapSize);var b=_.getFrameExtents();if(r.multiply(b),a.copy(_.mapSize),(r.x>n||r.y>n)&&(r.x>n&&(a.x=Math.floor(n/b.x),r.x=a.x*b.x,_.mapSize.x=a.x),r.y>n&&(a.y=Math.floor(n/b.y),r.y=a.y*b.y,_.mapSize.y=a.y)),null===_.map&&!_.isPointLightShadow&&3===this.type){var M={minFilter:g,magFilter:g,format:A};_.map=new Tt(r.x,r.y,M),_.map.texture.name=x.name+".shadowMap",_.mapPass=new Tt(r.x,r.y,M),_.camera.updateProjectionMatrix()}if(null===_.map){var S={minFilter:f,magFilter:f,format:A};_.map=new Tt(r.x,r.y,S),_.map.texture.name=x.name+".shadowMap",_.camera.updateProjectionMatrix()}t.setRenderTarget(_.map),t.clear();for(var T=_.getViewportCount(),E=0;E<T;E++){var L=_.getViewport(E);o.set(a.x*L.x,a.y*L.y,a.x*L.z,a.y*L.w),d.viewport(o),_.updateMatrices(x,E),i=_.getFrustum(),w(s,c,_.camera,x,this.type)}_.isPointLightShadow||3!==this.type||y(_,c),_.needsUpdate=!1}}else console.warn("THREE.WebGLShadowMap:",x,"has no shadow.")}v.needsUpdate=!1,t.setRenderTarget(l,u,h)}}}function na(t,e,n){var r,a,o=n.isWebGL2;var s=new function(){var e=!1,n=new St,i=null,r=new St(0,0,0,0);return{setMask:function(n){i===n||e||(t.colorMask(n,n,n,n),i=n)},setLocked:function(t){e=t},setClear:function(e,i,a,o,s){!0===s&&(e*=o,i*=o,a*=o),n.set(e,i,a,o),!1===r.equals(n)&&(t.clearColor(e,i,a,o),r.copy(n))},reset:function(){e=!1,i=null,r.set(-1,0,0,0)}}},c=new function(){var e=!1,n=null,i=null,r=null;return{setTest:function(t){t?B(2929):z(2929)},setMask:function(i){n===i||e||(t.depthMask(i),n=i)},setFunc:function(e){if(i!==e){if(e)switch(e){case 0:t.depthFunc(512);break;case 1:t.depthFunc(519);break;case 2:t.depthFunc(513);break;case 3:t.depthFunc(515);break;case 4:t.depthFunc(514);break;case 5:t.depthFunc(518);break;case 6:t.depthFunc(516);break;case 7:t.depthFunc(517);break;default:t.depthFunc(515)}else t.depthFunc(515);i=e}},setLocked:function(t){e=t},setClear:function(e){r!==e&&(t.clearDepth(e),r=e)},reset:function(){e=!1,n=null,i=null,r=null}}},l=new function(){var e=!1,n=null,i=null,r=null,a=null,o=null,s=null,c=null,l=null;return{setTest:function(t){e||(t?B(2960):z(2960))},setMask:function(i){n===i||e||(t.stencilMask(i),n=i)},setFunc:function(e,n,o){i===e&&r===n&&a===o||(t.stencilFunc(e,n,o),i=e,r=n,a=o)},setOp:function(e,n,i){o===e&&s===n&&c===i||(t.stencilOp(e,n,i),o=e,s=n,c=i)},setLocked:function(t){e=t},setClear:function(e){l!==e&&(t.clearStencil(e),l=e)},reset:function(){e=!1,n=null,i=null,r=null,a=null,o=null,s=null,c=null,l=null}}},u={},h=null,d=null,p=null,f=null,m=null,v=null,g=null,y=null,x=null,_=!1,b=null,w=null,M=null,S=null,T=null,E=t.getParameter(35661),A=!1,L=0,R=t.getParameter(7938);-1!==R.indexOf("WebGL")?(L=parseFloat(/^WebGL (\d)/.exec(R)[1]),A=L>=1):-1!==R.indexOf("OpenGL ES")&&(L=parseFloat(/^OpenGL ES (\d)/.exec(R)[1]),A=L>=2);var C=null,P={},O=new St,I=new St;function D(e,n,i){var r=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,10241,9728),t.texParameteri(e,10240,9728);for(var o=0;o<i;o++)t.texImage2D(n+o,0,6408,1,1,0,6408,5121,r);return a}var N={};function B(e){!0!==u[e]&&(t.enable(e),u[e]=!0)}function z(e){!1!==u[e]&&(t.disable(e),u[e]=!1)}N[3553]=D(3553,3553,1),N[34067]=D(34067,34069,6),s.setClear(0,0,0,1),c.setClear(1),l.setClear(0),B(2929),c.setFunc(3),k(!1),V(1),B(2884),U(0);var F=((r={})[100]=32774,r[101]=32778,r[102]=32779,r);if(o)F[103]=32775,F[104]=32776;else{var H=e.get("EXT_blend_minmax");null!==H&&(F[103]=H.MIN_EXT,F[104]=H.MAX_EXT)}var G=((a={})[200]=0,a[201]=1,a[202]=768,a[204]=770,a[210]=776,a[208]=774,a[206]=772,a[203]=769,a[205]=771,a[209]=775,a[207]=773,a);function U(e,n,r,a,o,s,c,l){if(0!==e){if(d||(B(3042),d=!0),5===e)o=o||n,s=s||r,c=c||a,n===f&&o===g||(t.blendEquationSeparate(F[n],F[o]),f=n,g=o),r===m&&a===v&&s===y&&c===x||(t.blendFuncSeparate(G[r],G[a],G[s],G[c]),m=r,v=a,y=s,x=c),p=e,_=null;else if(e!==p||l!==_){if(f===i&&g===i||(t.blendEquation(32774),f=i,g=i),l)switch(e){case 1:t.blendFuncSeparate(1,771,1,771);break;case 2:t.blendFunc(1,1);break;case 3:t.blendFuncSeparate(0,0,769,771);break;case 4:t.blendFuncSeparate(0,768,0,770);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case 1:t.blendFuncSeparate(770,771,1,771);break;case 2:t.blendFunc(770,1);break;case 3:t.blendFunc(0,769);break;case 4:t.blendFunc(0,768);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}m=null,v=null,y=null,x=null,p=e,_=l}}else d&&(z(3042),d=!1)}function k(e){b!==e&&(e?t.frontFace(2304):t.frontFace(2305),b=e)}function V(e){0!==e?(B(2884),e!==w&&(1===e?t.cullFace(1029):2===e?t.cullFace(1028):t.cullFace(1032))):z(2884),w=e}function W(e,n,i){e?(B(32823),S===n&&T===i||(t.polygonOffset(n,i),S=n,T=i)):z(32823)}function j(e){void 0===e&&(e=33984+E-1),C!==e&&(t.activeTexture(e),C=e)}return{buffers:{color:s,depth:c,stencil:l},enable:B,disable:z,useProgram:function(e){return h!==e&&(t.useProgram(e),h=e,!0)},setBlending:U,setMaterial:function(t,e){2===t.side?z(2884):B(2884);var n=1===t.side;e&&(n=!n),k(n),1===t.blending&&!1===t.transparent?U(0):U(t.blending,t.blendEquation,t.blendSrc,t.blendDst,t.blendEquationAlpha,t.blendSrcAlpha,t.blendDstAlpha,t.premultipliedAlpha),c.setFunc(t.depthFunc),c.setTest(t.depthTest),c.setMask(t.depthWrite),s.setMask(t.colorWrite);var i=t.stencilWrite;l.setTest(i),i&&(l.setMask(t.stencilWriteMask),l.setFunc(t.stencilFunc,t.stencilRef,t.stencilFuncMask),l.setOp(t.stencilFail,t.stencilZFail,t.stencilZPass)),W(t.polygonOffset,t.polygonOffsetFactor,t.polygonOffsetUnits)},setFlipSided:k,setCullFace:V,setLineWidth:function(e){e!==M&&(A&&t.lineWidth(e),M=e)},setPolygonOffset:W,setScissorTest:function(t){t?B(3089):z(3089)},activeTexture:j,bindTexture:function(e,n){null===C&&j();var i=P[C];void 0===i&&(i={type:void 0,texture:void 0},P[C]=i),i.type===e&&i.texture===n||(t.bindTexture(e,n||N[e]),i.type=e,i.texture=n)},unbindTexture:function(){var e=P[C];void 0!==e&&void 0!==e.type&&(t.bindTexture(e.type,null),e.type=void 0,e.texture=void 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j(n,a,o){o?(t.texParameteri(n,10242,V[a.wrapS]),t.texParameteri(n,10243,V[a.wrapT]),32879!==n&&35866!==n||t.texParameteri(n,32882,V[a.wrapR]),t.texParameteri(n,10240,W[a.magFilter]),t.texParameteri(n,10241,W[a.minFilter])):(t.texParameteri(n,10242,33071),t.texParameteri(n,10243,33071),32879!==n&&35866!==n||t.texParameteri(n,32882,33071),a.wrapS===d&&a.wrapT===d||console.warn("THREE.WebGLRenderer: Texture is not power of two. 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s,c=function(t){return!u&&(t.wrapS!==d||t.wrapT!==d||t.minFilter!==f&&t.minFilter!==g)}(i)&&!1===I(i.image),l=O(i.image,c,!1,y),h=I(l)||u,p=a.convert(i.format),m=a.convert(i.type),v=B(i.internalFormat,p,m);j(o,i,h);var x=i.mipmaps;if(i.isDepthTexture)v=6402,u?v=i.type===M?36012:i.type===w?33190:i.type===T?35056:33189:i.type===M&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),i.format===L&&6402===v&&i.type!==b&&i.type!==w&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),i.type=b,m=a.convert(i.type)),i.format===R&&6402===v&&(v=34041,i.type!==T&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),i.type=T,m=a.convert(i.type))),n.texImage2D(3553,0,v,l.width,l.height,0,p,m,null);else if(i.isDataTexture)if(x.length>0&&h){for(var 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n.texImage2D(3553,0,v,p,m,l),e.__maxMipLevel=0;D(i,h)&&N(o,i,l.width,l.height),e.__version=i.version,i.onUpdate&&i.onUpdate(i)}function Y(e,r,o,s){var c=a.convert(r.texture.format),l=a.convert(r.texture.type),u=B(r.texture.internalFormat,c,l);n.texImage2D(s,0,u,r.width,r.height,0,c,l,null),t.bindFramebuffer(36160,e),t.framebufferTexture2D(36160,o,s,i.get(r.texture).__webglTexture,0),t.bindFramebuffer(36160,null)}function Z(e,n,i){if(t.bindRenderbuffer(36161,e),n.depthBuffer&&!n.stencilBuffer){var r=33189;if(i){var o=n.depthTexture;o&&o.isDepthTexture&&(o.type===M?r=36012:o.type===w&&(r=33190));var s=Q(n);t.renderbufferStorageMultisample(36161,s,r,n.width,n.height)}else t.renderbufferStorage(36161,r,n.width,n.height);t.framebufferRenderbuffer(36160,36096,36161,e)}else if(n.depthBuffer&&n.stencilBuffer){if(i){var c=Q(n);t.renderbufferStorageMultisample(36161,c,35056,n.width,n.height)}else 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e=l.get(t.inputSource);e&&e.dispatchEvent({type:t.type,data:t.inputSource})}function g(){l.forEach((function(t,e){t.disconnect(e)})),l.clear(),f=null,m=null,t.setFramebuffer(null),t.setRenderTarget(t.getRenderTarget()),M.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(t){for(var e=i.inputSources,n=0;n<c.length;n++)l.set(e[n],c[n]);for(var r=0;r<t.removed.length;r++){var a=t.removed[r],o=l.get(a);o&&(o.dispatchEvent({type:"disconnected",data:a}),l.delete(a))}for(var s=0;s<t.added.length;s++){var u=t.added[s],h=l.get(u);h&&h.dispatchEvent({type:"connected",data:u})}}this.enabled=!1,this.isPresenting=!1,this.getController=function(t){var e=c[t];return void 0===e&&(e=new sa,c[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){var e=c[t];return void 0===e&&(e=new sa,c[t]=e),e.getGripSpace()},this.getHand=function(t){var e=c[t];return void 0===e&&(e=new 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t.next=14,e.makeXRCompatible();case 14:return l={antialias:c.antialias,alpha:c.alpha,depth:c.depth,stencil:c.stencil,framebufferScaleFactor:r},u=new XRWebGLLayer(i,e,l),i.updateRenderState({baseLayer:u}),t.next=19,i.requestReferenceSpace(o);case 19:a=t.sent,M.setContext(i),M.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"});case 24:case"end":return t.stop()}}),t)})),function(){var e=this,n=arguments;return new Promise((function(i,r){var a=t.apply(e,n);function o(t){at(a,i,r,o,s,"next",t)}function s(t){at(a,i,r,o,s,"throw",t)}o(void 0)}))});return function(t){return s.apply(this,arguments)}}();var x=new Lt,_=new Lt;function b(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.getCamera=function(t){p.near=h.near=u.near=t.near,p.far=h.far=u.far=t.far,f===p.near&&m===p.far||(i.updateRenderState({depthNear:p.near,depthFar:p.far}),f=p.near,m=p.far);var e=t.parent,n=p.cameras;b(p,e);for(var r=0;r<n.length;r++)b(n[r],e);t.matrixWorld.copy(p.matrixWorld),t.matrix.copy(p.matrix),t.matrix.decompose(t.position,t.quaternion,t.scale);for(var a=t.children,o=0,s=a.length;o<s;o++)a[o].updateMatrixWorld(!0);return 2===n.length?function(t,e,n){x.setFromMatrixPosition(e.matrixWorld),_.setFromMatrixPosition(n.matrixWorld);var i=x.distanceTo(_),r=e.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),c=(r[9]+1)/r[5],l=(r[9]-1)/r[5],u=(r[8]-1)/r[0],h=(a[8]+1)/a[0],d=o*u,p=o*h,f=i/(-u+h),m=f*-u;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(f),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();var v=o+f,g=s+f,y=d-m,b=p+(i-m),w=c*s/g*v,M=l*s/g*v;t.projectionMatrix.makePerspective(y,b,w,M,v,g)}(p,u,h):p.projectionMatrix.copy(u.projectionMatrix),p};var w=null;var M=new ai;M.setAnimationLoop((function(e,n){if(null!==(s=n.getViewerPose(a))){var r=s.views,o=i.renderState.baseLayer;t.setFramebuffer(o.framebuffer);var l=!1;r.length!==p.cameras.length&&(p.cameras.length=0,l=!0);for(var u=0;u<r.length;u++){var h=r[u],f=o.getViewport(h),m=d[u];m.matrix.fromArray(h.transform.matrix),m.projectionMatrix.fromArray(h.projectionMatrix),m.viewport.set(f.x,f.y,f.width,f.height),0===u&&p.matrix.copy(m.matrix),!0===l&&p.cameras.push(m)}}for(var v=i.inputSources,g=0;g<c.length;g++){var y=c[g],x=v[g];y.update(x,n,a)}w&&w(e,n)})),this.setAnimationLoop=function(t){w=t},this.dispose=function(){}}function la(t){function e(e,n){e.opacity.value=n.opacity,n.color&&e.diffuse.value.copy(n.color),n.emissive&&e.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(e.map.value=n.map),n.alphaMap&&(e.alphaMap.value=n.alphaMap),n.specularMap&&(e.specularMap.value=n.specularMap);var i,r,a=t.get(n).envMap;if(a){e.envMap.value=a,e.flipEnvMap.value=a.isCubeTexture&&a._needsFlipEnvMap?-1:1,e.reflectivity.value=n.reflectivity,e.refractionRatio.value=n.refractionRatio;var o=t.get(a).__maxMipLevel;void 0!==o&&(e.maxMipLevel.value=o)}n.lightMap&&(e.lightMap.value=n.lightMap,e.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(e.aoMap.value=n.aoMap,e.aoMapIntensity.value=n.aoMapIntensity),n.map?i=n.map:n.specularMap?i=n.specularMap:n.displacementMap?i=n.displacementMap:n.normalMap?i=n.normalMap:n.bumpMap?i=n.bumpMap:n.roughnessMap?i=n.roughnessMap:n.metalnessMap?i=n.metalnessMap:n.alphaMap?i=n.alphaMap:n.emissiveMap?i=n.emissiveMap:n.clearcoatMap?i=n.clearcoatMap:n.clearcoatNormalMap?i=n.clearcoatNormalMap:n.clearcoatRoughnessMap&&(i=n.clearcoatRoughnessMap),void 0!==i&&(i.isWebGLRenderTarget&&(i=i.texture),!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix)),n.aoMap?r=n.aoMap:n.lightMap&&(r=n.lightMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uv2Transform.value.copy(r.matrix))}function n(e,n){e.roughness.value=n.roughness,e.metalness.value=n.metalness,n.roughnessMap&&(e.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(e.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(e.emissiveMap.value=n.emissiveMap),n.bumpMap&&(e.bumpMap.value=n.bumpMap,e.bumpScale.value=n.bumpScale,1===n.side&&(e.bumpScale.value*=-1)),n.normalMap&&(e.normalMap.value=n.normalMap,e.normalScale.value.copy(n.normalScale),1===n.side&&e.normalScale.value.negate()),n.displacementMap&&(e.displacementMap.value=n.displacementMap,e.displacementScale.value=n.displacementScale,e.displacementBias.value=n.displacementBias),t.get(n).envMap&&(e.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,i,r,a){i.isMeshBasicMaterial?e(t,i):i.isMeshLambertMaterial?(e(t,i),function(t,e){e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap)}(t,i)):i.isMeshToonMaterial?(e(t,i),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap);e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshPhongMaterial?(e(t,i),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshStandardMaterial?(e(t,i),i.isMeshPhysicalMaterial?function(t,e){n(t,e),t.reflectivity.value=e.reflectivity,t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.sheen&&t.sheen.value.copy(e.sheen);e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap);e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap);e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate());t.transmission.value=e.transmission,e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap)}(t,i):n(t,i)):i.isMeshMatcapMaterial?(e(t,i),function(t,e){e.matcap&&(t.matcap.value=e.matcap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDepthMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDistanceMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias);t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,i)):i.isMeshNormalMaterial?(e(t,i),function(t,e){e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,i),i.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,i)):i.isPointsMaterial?function(t,e,n,i){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*i,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);var r;e.map?r=e.map:e.alphaMap&&(r=e.alphaMap);void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix))}(t,i,r,a):i.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);var n;e.map?n=e.map:e.alphaMap&&(n=e.alphaMap);void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),t.uvTransform.value.copy(n.matrix))}(t,i):i.isShadowMaterial?(t.color.value.copy(i.color),t.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function ua(t){var e,n=void 0!==(t=t||{}).canvas?t.canvas:((e=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")).style.display="block",e),i=void 0!==t.context?t.context:null,r=void 0!==t.alpha&&t.alpha,a=void 0===t.depth||t.depth,o=void 0===t.stencil||t.stencil,s=void 0!==t.antialias&&t.antialias,c=void 0===t.premultipliedAlpha||t.premultipliedAlpha,l=void 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t=q.get("WEBGL_lose_context");t&&t.loseContext()},this.forceContextRestore=function(){var t=q.get("WEBGL_lose_context");t&&t.restoreContext()},this.getPixelRatio=function(){return I},this.setPixelRatio=function(t){void 0!==t&&(I=t,this.setSize(P,O,!1))},this.getSize=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getsize() now requires a Vector2 as an argument"),t=new yt),t.set(P,O)},this.setSize=function(t,e,i){bt.isPresenting?console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting."):(P=t,O=e,n.width=Math.floor(t*I),n.height=Math.floor(e*I),!1!==i&&(n.style.width=t+"px",n.style.height=e+"px"),this.setViewport(0,0,t,e))},this.getDrawingBufferSize=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument"),t=new yt),t.set(P*I,O*I).floor()},this.setDrawingBufferSize=function(t,e,i){P=t,O=e,I=i,n.width=Math.floor(t*i),n.height=Math.floor(e*i),this.setViewport(0,0,t,e)},this.getCurrentViewport=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument"),t=new St),t.copy(L)},this.getViewport=function(t){return t.copy(B)},this.setViewport=function(t,e,n,i){t.isVector4?B.set(t.x,t.y,t.z,t.w):B.set(t,e,n,i),Z.viewport(L.copy(B).multiplyScalar(I).floor())},this.getScissor=function(t){return t.copy(z)},this.setScissor=function(t,e,n,i){t.isVector4?z.set(t.x,t.y,t.z,t.w):z.set(t,e,n,i),Z.scissor(R.copy(z).multiplyScalar(I).floor())},this.getScissorTest=function(){return F},this.setScissorTest=function(t){Z.setScissorTest(F=t)},this.setOpaqueSort=function(t){D=t},this.setTransparentSort=function(t){N=t},this.getClearColor=function(t){return void 0===t&&(console.warn("WebGLRenderer: .getClearColor() now requires a Color as an argument"),t=new Ze),t.copy(ct.getClearColor())},this.setClearColor=function(){ct.setClearColor.apply(ct,arguments)},this.getClearAlpha=function(){return ct.getClearAlpha()},this.setClearAlpha=function(){ct.setClearAlpha.apply(ct,arguments)},this.clear=function(t,e,n){var i=0;(void 0===t||t)&&(i|=16384),(void 0===e||e)&&(i|=256),(void 0===n||n)&&(i|=1024),ft.clear(i)},this.clearColor=function(){this.clear(!0,!1,!1)},this.clearDepth=function(){this.clear(!1,!0,!1)},this.clearStencil=function(){this.clear(!1,!1,!0)},this.dispose=function(){n.removeEventListener("webglcontextlost",Mt,!1),n.removeEventListener("webglcontextrestored",Tt,!1),at.dispose(),ot.dispose(),Q.dispose(),$.dispose(),nt.dispose(),pt.dispose(),bt.dispose(),Ct.stop()},this.renderBufferImmediate=function(t,e){pt.initAttributes();var n=Q.get(t);t.hasPositions&&!n.position&&(n.position=ft.createBuffer()),t.hasNormals&&!n.normal&&(n.normal=ft.createBuffer()),t.hasUvs&&!n.uv&&(n.uv=ft.createBuffer()),t.hasColors&&!n.color&&(n.color=ft.createBuffer());var i=e.getAttributes();t.hasPositions&&(ft.bindBuffer(34962,n.position),ft.bufferData(34962,t.positionArray,35048),pt.enableAttribute(i.position),ft.vertexAttribPointer(i.position,3,5126,!1,0,0)),t.hasNormals&&(ft.bindBuffer(34962,n.normal),ft.bufferData(34962,t.normalArray,35048),pt.enableAttribute(i.normal),ft.vertexAttribPointer(i.normal,3,5126,!1,0,0)),t.hasUvs&&(ft.bindBuffer(34962,n.uv),ft.bufferData(34962,t.uvArray,35048),pt.enableAttribute(i.uv),ft.vertexAttribPointer(i.uv,2,5126,!1,0,0)),t.hasColors&&(ft.bindBuffer(34962,n.color),ft.bufferData(34962,t.colorArray,35048),pt.enableAttribute(i.color),ft.vertexAttribPointer(i.color,3,5126,!1,0,0)),pt.disableUnusedAttributes(),ft.drawArrays(4,0,t.count),t.count=0},this.renderBufferDirect=function(t,e,n,i,r,a){null===e&&(e=W);var o=r.isMesh&&r.matrixWorld.determinant()<0,s=Nt(t,e,i,r);Z.setMaterial(i,o);var c=n.index,l=n.attributes.position;if(null===c){if(void 0===l||0===l.count)return}else if(0===c.count)return;var u,h=1;!0===i.wireframe&&(c=et.getWireframeAttribute(n),h=2),(i.morphTargets||i.morphNormals)&&lt.update(r,n,i,s),pt.setup(r,i,s,n,c);var d=ut;null!==c&&(u=tt.get(c),(d=ht).setIndex(u));var p=null!==c?c.count:l.count,f=n.drawRange.start*h,m=n.drawRange.count*h,v=null!==a?a.start*h:0,g=null!==a?a.count*h:1/0,y=Math.max(f,v),x=Math.min(p,f+m,v+g)-1,_=Math.max(0,x-y+1);if(0!==_){if(r.isMesh)!0===i.wireframe?(Z.setLineWidth(i.wireframeLinewidth*j()),d.setMode(1)):d.setMode(4);else if(r.isLine){var b=i.linewidth;void 0===b&&(b=1),Z.setLineWidth(b*j()),r.isLineSegments?d.setMode(1):r.isLineLoop?d.setMode(2):d.setMode(3)}else r.isPoints?d.setMode(0):r.isSprite&&d.setMode(4);if(r.isInstancedMesh)d.renderInstances(y,_,r.count);else if(n.isInstancedBufferGeometry){var w=Math.min(n.instanceCount,n._maxInstanceCount);d.renderInstances(y,_,w)}else d.render(y,_)}},this.compile=function(t,e){(p=ot.get(t)).init(),t.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(p.pushLight(t),t.castShadow&&p.pushShadow(t))})),p.setupLights();var n=new WeakMap;t.traverse((function(e){var i=e.material;if(i)if(Array.isArray(i))for(var r=0;r<i.length;r++){var a=i[r];!1===n.has(a)&&(Dt(a,t,e),n.set(a))}else!1===n.has(i)&&(Dt(i,t,e),n.set(i))}))};var Rt=null;var Ct=new ai;function Pt(t,e,n,i){if(!1!==t.visible){if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)p.pushLight(t),t.castShadow&&p.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||H.intersectsSprite(t)){i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(k);var r=nt.update(t),a=t.material;a.visible&&d.push(t,r,a,n,V.z,null)}}else if(t.isImmediateRenderObject)i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(k),d.push(t,null,t.material,n,V.z,null);else if((t.isMesh||t.isLine||t.isPoints)&&(t.isSkinnedMesh&&t.skeleton.frame!==J.render.frame&&(t.skeleton.update(),t.skeleton.frame=J.render.frame),!t.frustumCulled||H.intersectsObject(t))){i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(k);var o=nt.update(t),s=t.material;if(Array.isArray(s))for(var c=o.groups,l=0,u=c.length;l<u;l++){var h=c[l],f=s[h.materialIndex];f&&f.visible&&d.push(t,o,f,n,V.z,h)}else s.visible&&d.push(t,o,s,n,V.z,null)}for(var m=t.children,v=0,g=m.length;v<g;v++)Pt(m[v],e,n,i)}}function Ot(t,e,n){for(var i=!0===e.isScene?e.overrideMaterial:null,r=0,a=t.length;r<a;r++){var o=t[r],s=o.object,c=o.geometry,l=null===i?o.material:i,u=o.group;if(n.isArrayCamera)for(var h=n.cameras,d=0,f=h.length;d<f;d++){var m=h[d];s.layers.test(m.layers)&&(Z.viewport(L.copy(m.viewport)),p.setupLightsView(m),It(s,e,m,c,l,u))}else It(s,e,n,c,l,u)}}function It(t,e,n,i,r,a){if(t.onBeforeRender(m,e,n,i,r,a),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),t.isImmediateRenderObject){var o=Nt(n,e,r,t);Z.setMaterial(r),pt.reset(),function(t,e){t.render((function(t){m.renderBufferImmediate(t,e)}))}(t,o)}else m.renderBufferDirect(n,e,i,r,t,a);t.onAfterRender(m,e,n,i,r,a)}function Dt(t,e,n){!0!==e.isScene&&(e=W);var i=Q.get(t),r=p.state.lights,a=p.state.shadowsArray,o=r.state.version,s=it.getParameters(t,r.state,a,e,n),c=it.getProgramCacheKey(s),l=i.program,u=!0;if(i.environment=t.isMeshStandardMaterial?e.environment:null,i.fog=e.fog,i.envMap=$.get(t.envMap||i.environment),void 0===l)t.addEventListener("dispose",Et);else if(l.cacheKey!==c)At(t);else if(i.lightsStateVersion!==o)u=!1;else{if(void 0!==s.shaderID)return;u=!1}u&&(s.uniforms=it.getUniforms(t),t.onBeforeCompile(s,m),l=it.acquireProgram(s,c),i.program=l,i.uniforms=s.uniforms,i.outputEncoding=s.outputEncoding);var h=i.uniforms;(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(i.numClippingPlanes=st.numPlanes,i.numIntersection=st.numIntersection,h.clippingPlanes=st.uniform),i.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=o,i.needsLights&&(h.ambientLightColor.value=r.state.ambient,h.lightProbe.value=r.state.probe,h.directionalLights.value=r.state.directional,h.directionalLightShadows.value=r.state.directionalShadow,h.spotLights.value=r.state.spot,h.spotLightShadows.value=r.state.spotShadow,h.rectAreaLights.value=r.state.rectArea,h.ltc_1.value=r.state.rectAreaLTC1,h.ltc_2.value=r.state.rectAreaLTC2,h.pointLights.value=r.state.point,h.pointLightShadows.value=r.state.pointShadow,h.hemisphereLights.value=r.state.hemi,h.directionalShadowMap.value=r.state.directionalShadowMap,h.directionalShadowMatrix.value=r.state.directionalShadowMatrix,h.spotShadowMap.value=r.state.spotShadowMap,h.spotShadowMatrix.value=r.state.spotShadowMatrix,h.pointShadowMap.value=r.state.pointShadowMap,h.pointShadowMatrix.value=r.state.pointShadowMatrix);var d=i.program.getUniforms(),f=br.seqWithValue(d.seq,h);i.uniformsList=f}function Nt(t,e,n,i){!0!==e.isScene&&(e=W),K.resetTextureUnits();var r=e.fog,a=n.isMeshStandardMaterial?e.environment:null,o=null===b?m.outputEncoding:b.texture.encoding,s=$.get(n.envMap||a),c=Q.get(n),l=p.state.lights;if(!0===G&&(!0===U||t!==E)){var u=t===E&&n.id===T;st.setState(n,t,u)}n.version===c.__version?n.fog&&c.fog!==r||c.environment!==a||c.needsLights&&c.lightsStateVersion!==l.state.version?Dt(n,e,i):void 0===c.numClippingPlanes||c.numClippingPlanes===st.numPlanes&&c.numIntersection===st.numIntersection?(c.outputEncoding!==o||c.envMap!==s)&&Dt(n,e,i):Dt(n,e,i):(Dt(n,e,i),c.__version=n.version);var h,d,f=!1,v=!1,g=!1,y=c.program,x=y.getUniforms(),_=c.uniforms;if(Z.useProgram(y.program)&&(f=!0,v=!0,g=!0),n.id!==T&&(T=n.id,v=!0),f||E!==t){if(x.setValue(ft,"projectionMatrix",t.projectionMatrix),X.logarithmicDepthBuffer&&x.setValue(ft,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),E!==t&&(E=t,v=!0,g=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){var w=x.map.cameraPosition;void 0!==w&&w.setValue(ft,V.setFromMatrixPosition(t.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&x.setValue(ft,"isOrthographic",!0===t.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.isShadowMaterial||n.skinning)&&x.setValue(ft,"viewMatrix",t.matrixWorldInverse)}if(n.skinning){x.setOptional(ft,i,"bindMatrix"),x.setOptional(ft,i,"bindMatrixInverse");var S=i.skeleton;if(S){var L=S.bones;if(X.floatVertexTextures){if(null===S.boneTexture){var R=Math.sqrt(4*L.length);R=gt.ceilPowerOfTwo(R),R=Math.max(R,4);var C=new Float32Array(R*R*4);C.set(S.boneMatrices);var P=new ei(C,R,R,A,M);S.boneMatrices=C,S.boneTexture=P,S.boneTextureSize=R}x.setValue(ft,"boneTexture",S.boneTexture,K),x.setValue(ft,"boneTextureSize",S.boneTextureSize)}else x.setOptional(ft,S,"boneMatrices")}}return(v||c.receiveShadow!==i.receiveShadow)&&(c.receiveShadow=i.receiveShadow,x.setValue(ft,"receiveShadow",i.receiveShadow)),v&&(x.setValue(ft,"toneMappingExposure",m.toneMappingExposure),c.needsLights&&(d=g,(h=_).ambientLightColor.needsUpdate=d,h.lightProbe.needsUpdate=d,h.directionalLights.needsUpdate=d,h.directionalLightShadows.needsUpdate=d,h.pointLights.needsUpdate=d,h.pointLightShadows.needsUpdate=d,h.spotLights.needsUpdate=d,h.spotLightShadows.needsUpdate=d,h.rectAreaLights.needsUpdate=d,h.hemisphereLights.needsUpdate=d),r&&n.fog&&rt.refreshFogUniforms(_,r),rt.refreshMaterialUniforms(_,n,I,O),br.upload(ft,c.uniformsList,_,K)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(br.upload(ft,c.uniformsList,_,K),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&x.setValue(ft,"center",i.center),x.setValue(ft,"modelViewMatrix",i.modelViewMatrix),x.setValue(ft,"normalMatrix",i.normalMatrix),x.setValue(ft,"modelMatrix",i.matrixWorld),y}Ct.setAnimationLoop((function(t){bt.isPresenting||Rt&&Rt(t)})),"undefined"!=typeof window&&Ct.setContext(window),this.setAnimationLoop=function(t){Rt=t,bt.setAnimationLoop(t),null===t?Ct.stop():Ct.start()},this.render=function(t,e){var n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),void 0===e||!0===e.isCamera){if(!0!==v){pt.resetDefaultState(),T=-1,E=null,!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),!0===bt.enabled&&!0===bt.isPresenting&&(e=bt.getCamera(e)),!0===t.isScene&&t.onBeforeRender(m,t,e,n||b),(p=ot.get(t,f.length)).init(),f.push(p),k.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),H.setFromProjectionMatrix(k),U=this.localClippingEnabled,G=st.init(this.clippingPlanes,U,e),(d=at.get(t,e)).init(),Pt(t,e,0,m.sortObjects),d.finish(),!0===m.sortObjects&&d.sort(D,N),!0===G&&st.beginShadows();var r=p.state.shadowsArray;wt.render(r,t,e),p.setupLights(),p.setupLightsView(e),!0===G&&st.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),ct.render(d,t,e,i);var a=d.opaque,o=d.transparent;a.length>0&&Ot(a,t,e),o.length>0&&Ot(o,t,e),!0===t.isScene&&t.onAfterRender(m,t,e),null!==b&&(K.updateRenderTargetMipmap(b),K.updateMultisampleRenderTarget(b)),Z.buffers.depth.setTest(!0),Z.buffers.depth.setMask(!0),Z.buffers.color.setMask(!0),Z.setPolygonOffset(!1),f.pop(),p=f.length>0?f[f.length-1]:null,d=null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.setFramebuffer=function(t){g!==t&&null===b&&ft.bindFramebuffer(36160,t),g=t},this.getActiveCubeFace=function(){return y},this.getActiveMipmapLevel=function(){return x},this.getRenderList=function(){return d},this.setRenderList=function(t){d=t},this.getRenderTarget=function(){return b},this.setRenderTarget=function(t,e,n){void 0===e&&(e=0),void 0===n&&(n=0),b=t,y=e,x=n,t&&void 0===Q.get(t).__webglFramebuffer&&K.setupRenderTarget(t);var i=g,r=!1;if(t){var a=Q.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(i=a[e],r=!0):i=t.isWebGLMultisampleRenderTarget?Q.get(t).__webglMultisampledFramebuffer:a,L.copy(t.viewport),R.copy(t.scissor),C=t.scissorTest}else L.copy(B).multiplyScalar(I).floor(),R.copy(z).multiplyScalar(I).floor(),C=F;if(w!==i&&(ft.bindFramebuffer(36160,i),w=i),Z.viewport(L),Z.scissor(R),Z.setScissorTest(C),r){var o=Q.get(t.texture);ft.framebufferTexture2D(36160,36064,34069+e,o.__webglTexture,n)}},this.readRenderTargetPixels=function(t,e,n,i,r,a,o){if(t&&t.isWebGLRenderTarget){var s=Q.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){var c=!1;s!==w&&(ft.bindFramebuffer(36160,s),c=!0);try{var l=t.texture,u=l.format,h=l.type;if(u!==A&&dt.convert(u)!==ft.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");var d=h===S&&(q.has("EXT_color_buffer_half_float")||X.isWebGL2&&q.has("EXT_color_buffer_float"));if(!(h===_||dt.convert(h)===ft.getParameter(35738)||h===M&&(X.isWebGL2||q.has("OES_texture_float")||q.has("WEBGL_color_buffer_float"))||d))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===ft.checkFramebufferStatus(36160)?e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&ft.readPixels(e,n,i,r,dt.convert(u),dt.convert(h),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{c&&ft.bindFramebuffer(36160,w)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(t,e,n){void 0===n&&(n=0);var i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i),o=dt.convert(e.format);K.setTexture2D(e,0),ft.copyTexImage2D(3553,n,o,t.x,t.y,r,a,0),Z.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i){void 0===i&&(i=0);var r=e.image.width,a=e.image.height,o=dt.convert(n.format),s=dt.convert(n.type);K.setTexture2D(n,0),ft.pixelStorei(37440,n.flipY),ft.pixelStorei(37441,n.premultiplyAlpha),ft.pixelStorei(3317,n.unpackAlignment),e.isDataTexture?ft.texSubImage2D(3553,i,t.x,t.y,r,a,o,s,e.image.data):e.isCompressedTexture?ft.compressedTexSubImage2D(3553,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,o,e.mipmaps[0].data):ft.texSubImage2D(3553,i,t.x,t.y,o,s,e.image),0===i&&n.generateMipmaps&&ft.generateMipmap(3553),Z.unbindTexture()},this.initTexture=function(t){K.setTexture2D(t,0),Z.unbindTexture()},this.resetState=function(){Z.reset(),pt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function ha(t){ua.call(this,t)}aa.prototype=Object.assign(Object.create(Jn.prototype),{constructor:aa,isArrayCamera:!0}),oa.prototype=Object.assign(Object.create(Ae.prototype),{constructor:oa,isGroup:!0}),Object.assign(sa.prototype,{constructor:sa,getHandSpace:function(){return null===this._hand&&(this._hand=new oa,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new oa,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new oa,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this},disconnect:function(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(t,e,n){var i=null,r=null,a=null,o=this._targetRay,s=this._grip,c=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState)if(c&&t.hand){a=!0;for(var l,u=ht(t.hand.values());!(l=u()).done;){var h=l.value,d=e.getJointPose(h,n);if(void 0===c.joints[h.jointName]){var p=new oa;p.matrixAutoUpdate=!1,p.visible=!1,c.joints[h.jointName]=p,c.add(p)}var f=c.joints[h.jointName];null!==d&&(f.matrix.fromArray(d.transform.matrix),f.matrix.decompose(f.position,f.rotation,f.scale),f.jointRadius=d.radius),f.visible=null!==d}var m=c.joints["index-finger-tip"],v=c.joints["thumb-tip"],g=m.position.distanceTo(v.position);c.inputState.pinching&&g>.025?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!c.inputState.pinching&&g<=.015&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&null!==(i=e.getPose(t.targetRaySpace,n))&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale)),null!==s&&t.gripSpace&&null!==(r=e.getPose(t.gripSpace,n))&&(s.matrix.fromArray(r.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale));return null!==o&&(o.visible=null!==i),null!==s&&(s.visible=null!==r),null!==c&&(c.visible=null!==a),this}}),Object.assign(ca.prototype,dt.prototype),ha.prototype=Object.assign(Object.create(ua.prototype),{constructor:ha,isWebGL1Renderer:!0});var da=function(){function t(t,e){Object.defineProperty(this,"isFogExp2",{value:!0}),this.name="",this.color=new Ze(t),this.density=void 0!==e?e:25e-5}var e=t.prototype;return e.clone=function(){return new t(this.color,this.density)},e.toJSON=function(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}},t}(),pa=function(){function t(t,e,n){Object.defineProperty(this,"isFog",{value:!0}),this.name="",this.color=new Ze(t),this.near=void 0!==e?e:1,this.far=void 0!==n?n:1e3}var e=t.prototype;return e.clone=function(){return new t(this.color,this.near,this.far)},e.toJSON=function(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}},t}(),fa=function(t){function e(){var e;return e=t.call(this)||this,Object.defineProperty(lt(e),"isScene",{value:!0}),e.type="Scene",e.background=null,e.environment=null,e.fog=null,e.overrideMaterial=null,e.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:lt(e)})),e}ct(e,t);var n=e.prototype;return n.copy=function(e,n){return t.prototype.copy.call(this,e,n),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this},n.toJSON=function(e){var n=t.prototype.toJSON.call(this,e);return null!==this.background&&(n.object.background=this.background.toJSON(e)),null!==this.environment&&(n.object.environment=this.environment.toJSON(e)),null!==this.fog&&(n.object.fog=this.fog.toJSON()),n},e}(Ae);function ma(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=nt,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=gt.generateUUID()}Object.defineProperty(ma.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(ma.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this},copyAt:function(t,e,n){t*=this.stride,n*=e.stride;for(var i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+i];return this},set:function(t,e){return void 0===e&&(e=0),this.array.set(t,e),this},clone:function(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=gt.generateUUID()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);var e=new ma(new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),this.stride);return e.setUsage(this.usage),e},onUpload:function(t){return this.onUploadCallback=t,this},toJSON:function(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=gt.generateUUID()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}});var va,ga=new Lt;function ya(t,e,n,i){this.name="",this.data=t,this.itemSize=e,this.offset=n,this.normalized=!0===i}function xa(t){Ke.call(this),this.type="SpriteMaterial",this.color=new Ze(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(t)}Object.defineProperties(ya.prototype,{count:{get:function(){return this.data.count}},array:{get:function(){return this.data.array}},needsUpdate:{set:function(t){this.data.needsUpdate=t}}}),Object.assign(ya.prototype,{isInterleavedBufferAttribute:!0,applyMatrix4:function(t){for(var e=0,n=this.data.count;e<n;e++)ga.x=this.getX(e),ga.y=this.getY(e),ga.z=this.getZ(e),ga.applyMatrix4(t),this.setXYZ(e,ga.x,ga.y,ga.z);return this},setX:function(t,e){return this.data.array[t*this.data.stride+this.offset]=e,this},setY:function(t,e){return this.data.array[t*this.data.stride+this.offset+1]=e,this},setZ:function(t,e){return this.data.array[t*this.data.stride+this.offset+2]=e,this},setW:function(t,e){return this.data.array[t*this.data.stride+this.offset+3]=e,this},getX:function(t){return this.data.array[t*this.data.stride+this.offset]},getY:function(t){return this.data.array[t*this.data.stride+this.offset+1]},getZ:function(t){return this.data.array[t*this.data.stride+this.offset+2]},getW:function(t){return this.data.array[t*this.data.stride+this.offset+3]},setXY:function(t,e,n){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this},setXYZ:function(t,e,n,i){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this},setXYZW:function(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this},clone:function(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");for(var e=[],n=0;n<this.count;n++)for(var i=n*this.data.stride+this.offset,r=0;r<this.itemSize;r++)e.push(this.data.array[i+r]);return new nn(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new ya(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)},toJSON:function(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");for(var e=[],n=0;n<this.count;n++)for(var i=n*this.data.stride+this.offset,r=0;r<this.itemSize;r++)e.push(this.data.array[i+r]);return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}),xa.prototype=Object.create(Ke.prototype),xa.prototype.constructor=xa,xa.prototype.isSpriteMaterial=!0,xa.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this};var _a=new Lt,ba=new Lt,wa=new Lt,Ma=new yt,Sa=new yt,Ta=new ne,Ea=new Lt,Aa=new Lt,La=new Lt,Ra=new yt,Ca=new yt,Pa=new yt;function Oa(t){if(Ae.call(this),this.type="Sprite",void 0===va){va=new Sn;var e=new ma(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);va.setIndex([0,1,2,0,2,3]),va.setAttribute("position",new ya(e,3,0,!1)),va.setAttribute("uv",new ya(e,2,3,!1))}this.geometry=va,this.material=void 0!==t?t:new xa,this.center=new yt(.5,.5)}function Ia(t,e,n,i,r,a){Ma.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(Sa.x=a*Ma.x-r*Ma.y,Sa.y=r*Ma.x+a*Ma.y):Sa.copy(Ma),t.copy(e),t.x+=Sa.x,t.y+=Sa.y,t.applyMatrix4(Ta)}Oa.prototype=Object.assign(Object.create(Ae.prototype),{constructor:Oa,isSprite:!0,raycast:function(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),ba.setFromMatrixScale(this.matrixWorld),Ta.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),wa.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&ba.multiplyScalar(-wa.z);var n,i,r=this.material.rotation;0!==r&&(i=Math.cos(r),n=Math.sin(r));var a=this.center;Ia(Ea.set(-.5,-.5,0),wa,a,ba,n,i),Ia(Aa.set(.5,-.5,0),wa,a,ba,n,i),Ia(La.set(.5,.5,0),wa,a,ba,n,i),Ra.set(0,0),Ca.set(1,0),Pa.set(1,1);var o=t.ray.intersectTriangle(Ea,Aa,La,!1,_a);if(null!==o||(Ia(Aa.set(-.5,.5,0),wa,a,ba,n,i),Ca.set(0,1),null!==(o=t.ray.intersectTriangle(Ea,La,Aa,!1,_a)))){var s=t.ray.origin.distanceTo(_a);s<t.near||s>t.far||e.push({distance:s,point:_a.clone(),uv:ke.getUV(_a,Ea,Aa,La,Ra,Ca,Pa,new yt),face:null,object:this})}},copy:function(t){return Ae.prototype.copy.call(this,t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}});var Da=new Lt,Na=new Lt;function Ba(){Ae.call(this),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}Ba.prototype=Object.assign(Object.create(Ae.prototype),{constructor:Ba,isLOD:!0,copy:function(t){Ae.prototype.copy.call(this,t,!1);for(var e=t.levels,n=0,i=e.length;n<i;n++){var r=e[n];this.addLevel(r.object.clone(),r.distance)}return this.autoUpdate=t.autoUpdate,this},addLevel:function(t,e){void 0===e&&(e=0),e=Math.abs(e);var n,i=this.levels;for(n=0;n<i.length&&!(e<i[n].distance);n++);return i.splice(n,0,{distance:e,object:t}),this.add(t),this},getCurrentLevel:function(){return this._currentLevel},getObjectForDistance:function(t){var e=this.levels;if(e.length>0){var n,i;for(n=1,i=e.length;n<i&&!(t<e[n].distance);n++);return e[n-1].object}return null},raycast:function(t,e){if(this.levels.length>0){Da.setFromMatrixPosition(this.matrixWorld);var n=t.ray.origin.distanceTo(Da);this.getObjectForDistance(n).raycast(t,e)}},update:function(t){var e=this.levels;if(e.length>1){Da.setFromMatrixPosition(t.matrixWorld),Na.setFromMatrixPosition(this.matrixWorld);var n,i,r=Da.distanceTo(Na)/t.zoom;for(e[0].object.visible=!0,n=1,i=e.length;n<i&&r>=e[n].distance;n++)e[n-1].object.visible=!1,e[n].object.visible=!0;for(this._currentLevel=n-1;n<i;n++)e[n].object.visible=!1}},toJSON:function(t){var e=Ae.prototype.toJSON.call(this,t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];for(var n=this.levels,i=0,r=n.length;i<r;i++){var a=n[i];e.object.levels.push({object:a.object.uuid,distance:a.distance})}return e}});var za=new Lt,Fa=new St,Ha=new St,Ga=new Lt,Ua=new ne;function ka(t,e){t&&t.isGeometry&&console.error("THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),kn.call(this,t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new ne,this.bindMatrixInverse=new ne}function Va(){Ae.call(this),this.type="Bone"}ka.prototype=Object.assign(Object.create(kn.prototype),{constructor:ka,isSkinnedMesh:!0,copy:function(t){return kn.prototype.copy.call(this,t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this},bind:function(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()},pose:function(){this.skeleton.pose()},normalizeSkinWeights:function(){for(var t=new St,e=this.geometry.attributes.skinWeight,n=0,i=e.count;n<i;n++){t.x=e.getX(n),t.y=e.getY(n),t.z=e.getZ(n),t.w=e.getW(n);var r=1/t.manhattanLength();r!==1/0?t.multiplyScalar(r):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}},updateMatrixWorld:function(t){kn.prototype.updateMatrixWorld.call(this,t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)},boneTransform:function(t,e){var n=this.skeleton,i=this.geometry;Fa.fromBufferAttribute(i.attributes.skinIndex,t),Ha.fromBufferAttribute(i.attributes.skinWeight,t),za.fromBufferAttribute(i.attributes.position,t).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(var r=0;r<4;r++){var a=Ha.getComponent(r);if(0!==a){var o=Fa.getComponent(r);Ua.multiplyMatrices(n.bones[o].matrixWorld,n.boneInverses[o]),e.addScaledVector(Ga.copy(za).applyMatrix4(Ua),a)}}return e.applyMatrix4(this.bindMatrixInverse)}}),Va.prototype=Object.assign(Object.create(Ae.prototype),{constructor:Va,isBone:!0});var Wa=new ne,ja=new ne;function qa(t,e){void 0===t&&(t=[]),void 0===e&&(e=[]),this.uuid=gt.generateUUID(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}Object.assign(qa.prototype,{init:function(){var t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(var n=0,i=this.bones.length;n<i;n++)this.boneInverses.push(new ne)}},calculateInverses:function(){this.boneInverses.length=0;for(var t=0,e=this.bones.length;t<e;t++){var n=new ne;this.bones[t]&&n.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(n)}},pose:function(){for(var t=0,e=this.bones.length;t<e;t++){var n=this.bones[t];n&&n.matrixWorld.copy(this.boneInverses[t]).invert()}for(var i=0,r=this.bones.length;i<r;i++){var a=this.bones[i];a&&(a.parent&&a.parent.isBone?(a.matrix.copy(a.parent.matrixWorld).invert(),a.matrix.multiply(a.matrixWorld)):a.matrix.copy(a.matrixWorld),a.matrix.decompose(a.position,a.quaternion,a.scale))}},update:function(){for(var t=this.bones,e=this.boneInverses,n=this.boneMatrices,i=this.boneTexture,r=0,a=t.length;r<a;r++){var o=t[r]?t[r].matrixWorld:ja;Wa.multiplyMatrices(o,e[r]),Wa.toArray(n,16*r)}null!==i&&(i.needsUpdate=!0)},clone:function(){return new qa(this.bones,this.boneInverses)},getBoneByName:function(t){for(var e=0,n=this.bones.length;e<n;e++){var i=this.bones[e];if(i.name===t)return i}},dispose:function(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)},fromJSON:function(t,e){this.uuid=t.uuid;for(var n=0,i=t.bones.length;n<i;n++){var r=t.bones[n],a=e[r];void 0===a&&(console.warn("THREE.Skeleton: No bone found with UUID:",r),a=new Va),this.bones.push(a),this.boneInverses.push((new ne).fromArray(t.boneInverses[n]))}return this.init(),this},toJSON:function(){var t={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;for(var e=this.bones,n=this.boneInverses,i=0,r=e.length;i<r;i++){var a=e[i];t.bones.push(a.uuid);var o=n[i];t.boneInverses.push(o.toArray())}return t}});var Xa=new ne,Ya=new ne,Za=[],Ja=new kn;function Qa(t,e,n){kn.call(this,t,e),this.instanceMatrix=new nn(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}function Ka(t){Ke.call(this),this.type="LineBasicMaterial",this.color=new Ze(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(t)}Qa.prototype=Object.assign(Object.create(kn.prototype),{constructor:Qa,isInstancedMesh:!0,copy:function(t){return kn.prototype.copy.call(this,t),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,this},getColorAt:function(t,e){e.fromArray(this.instanceColor.array,3*t)},getMatrixAt:function(t,e){e.fromArray(this.instanceMatrix.array,16*t)},raycast:function(t,e){var n=this.matrixWorld,i=this.count;if(Ja.geometry=this.geometry,Ja.material=this.material,void 0!==Ja.material)for(var r=0;r<i;r++){this.getMatrixAt(r,Xa),Ya.multiplyMatrices(n,Xa),Ja.matrixWorld=Ya,Ja.raycast(t,Za);for(var a=0,o=Za.length;a<o;a++){var s=Za[a];s.instanceId=r,s.object=this,e.push(s)}Za.length=0}},setColorAt:function(t,e){null===this.instanceColor&&(this.instanceColor=new nn(new Float32Array(3*this.count),3)),e.toArray(this.instanceColor.array,3*t)},setMatrixAt:function(t,e){e.toArray(this.instanceMatrix.array,16*t)},updateMorphTargets:function(){},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Ka.prototype=Object.create(Ke.prototype),Ka.prototype.constructor=Ka,Ka.prototype.isLineBasicMaterial=!0,Ka.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.morphTargets=t.morphTargets,this};var $a=new Lt,to=new Lt,eo=new ne,no=new ee,io=new Xt;function ro(t,e){void 0===t&&(t=new Sn),void 0===e&&(e=new Ka),Ae.call(this),this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}ro.prototype=Object.assign(Object.create(Ae.prototype),{constructor:ro,isLine:!0,copy:function(t){return Ae.prototype.copy.call(this,t),this.material=t.material,this.geometry=t.geometry,this},computeLineDistances:function(){var t=this.geometry;if(t.isBufferGeometry)if(null===t.index){for(var e=t.attributes.position,n=[0],i=1,r=e.count;i<r;i++)$a.fromBufferAttribute(e,i-1),to.fromBufferAttribute(e,i),n[i]=n[i-1],n[i]+=$a.distanceTo(to);t.setAttribute("lineDistance",new dn(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this},raycast:function(t,e){var n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),io.copy(n.boundingSphere),io.applyMatrix4(i),io.radius+=r,!1!==t.ray.intersectsSphere(io)){eo.copy(i).invert(),no.copy(t.ray).applyMatrix4(eo);var a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,s=new Lt,c=new Lt,l=new Lt,u=new Lt,h=this.isLineSegments?2:1;if(n.isBufferGeometry){var d=n.index,p=n.attributes.position;if(null!==d)for(var f=d.array,m=0,v=f.length-1;m<v;m+=h){var g=f[m],y=f[m+1];if(s.fromBufferAttribute(p,g),c.fromBufferAttribute(p,y),!(no.distanceSqToSegment(s,c,u,l)>o)){u.applyMatrix4(this.matrixWorld);var x=t.ray.origin.distanceTo(u);x<t.near||x>t.far||e.push({distance:x,point:l.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}else for(var _=0,b=p.count-1;_<b;_+=h){if(s.fromBufferAttribute(p,_),c.fromBufferAttribute(p,_+1),!(no.distanceSqToSegment(s,c,u,l)>o)){u.applyMatrix4(this.matrixWorld);var w=t.ray.origin.distanceTo(u);w<t.near||w>t.far||e.push({distance:w,point:l.clone().applyMatrix4(this.matrixWorld),index:_,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},updateMorphTargets:function(){var t=this.geometry;if(t.isBufferGeometry){var e=t.morphAttributes,n=Object.keys(e);if(n.length>0){var i=e[n[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var r=0,a=i.length;r<a;r++){var o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{var s=t.morphTargets;void 0!==s&&s.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});var ao=new Lt,oo=new Lt;function so(t,e){ro.call(this,t,e),this.type="LineSegments"}function co(t,e){ro.call(this,t,e),this.type="LineLoop"}function lo(t){Ke.call(this),this.type="PointsMaterial",this.color=new Ze(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(t)}so.prototype=Object.assign(Object.create(ro.prototype),{constructor:so,isLineSegments:!0,computeLineDistances:function(){var t=this.geometry;if(t.isBufferGeometry)if(null===t.index){for(var e=t.attributes.position,n=[],i=0,r=e.count;i<r;i+=2)ao.fromBufferAttribute(e,i),oo.fromBufferAttribute(e,i+1),n[i]=0===i?0:n[i-1],n[i+1]=n[i]+ao.distanceTo(oo);t.setAttribute("lineDistance",new dn(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}}),co.prototype=Object.assign(Object.create(ro.prototype),{constructor:co,isLineLoop:!0}),lo.prototype=Object.create(Ke.prototype),lo.prototype.constructor=lo,lo.prototype.isPointsMaterial=!0,lo.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.morphTargets=t.morphTargets,this};var uo=new ne,ho=new ee,po=new Xt,fo=new Lt;function mo(t,e){void 0===t&&(t=new Sn),void 0===e&&(e=new lo),Ae.call(this),this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}function vo(t,e,n,i,r,a,o){var s=ho.distanceSqToPoint(t);if(s<n){var c=new Lt;ho.closestPointToPoint(t,c),c.applyMatrix4(i);var l=r.ray.origin.distanceTo(c);if(l<r.near||l>r.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:c,index:e,face:null,object:o})}}function go(t,e,n,i,r,a,o,s,c){wt.call(this,t,e,n,i,r,a,o,s,c),this.format=void 0!==o?o:E,this.minFilter=void 0!==a?a:g,this.magFilter=void 0!==r?r:g,this.generateMipmaps=!1;var l=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){l.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}function yo(t,e,n,i,r,a,o,s,c,l,u,h){wt.call(this,null,a,o,s,c,l,i,r,u,h),this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}function xo(t,e,n,i,r,a,o,s,c){wt.call(this,t,e,n,i,r,a,o,s,c),this.needsUpdate=!0}function _o(t,e,n,i,r,a,o,s,c,l){if((l=void 0!==l?l:L)!==L&&l!==R)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&l===L&&(n=b),void 0===n&&l===R&&(n=T),wt.call(this,null,i,r,a,o,s,l,n,c),this.image={width:t,height:e},this.magFilter=void 0!==o?o:f,this.minFilter=void 0!==s?s:f,this.flipY=!1,this.generateMipmaps=!1}mo.prototype=Object.assign(Object.create(Ae.prototype),{constructor:mo,isPoints:!0,copy:function(t){return Ae.prototype.copy.call(this,t),this.material=t.material,this.geometry=t.geometry,this},raycast:function(t,e){var n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold;if(null===n.boundingSphere&&n.computeBoundingSphere(),po.copy(n.boundingSphere),po.applyMatrix4(i),po.radius+=r,!1!==t.ray.intersectsSphere(po)){uo.copy(i).invert(),ho.copy(t.ray).applyMatrix4(uo);var a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){var s=n.index,c=n.attributes.position;if(null!==s)for(var l=s.array,u=0,h=l.length;u<h;u++){var d=l[u];fo.fromBufferAttribute(c,d),vo(fo,d,o,i,t,e,this)}else for(var p=0,f=c.count;p<f;p++)fo.fromBufferAttribute(c,p),vo(fo,p,o,i,t,e,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},updateMorphTargets:function(){var t=this.geometry;if(t.isBufferGeometry){var e=t.morphAttributes,n=Object.keys(e);if(n.length>0){var i=e[n[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var r=0,a=i.length;r<a;r++){var o=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=r}}}}else{var s=t.morphTargets;void 0!==s&&s.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}),go.prototype=Object.assign(Object.create(wt.prototype),{constructor:go,clone:function(){return new this.constructor(this.image).copy(this)},isVideoTexture:!0,update:function(){var t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}),yo.prototype=Object.create(wt.prototype),yo.prototype.constructor=yo,yo.prototype.isCompressedTexture=!0,xo.prototype=Object.create(wt.prototype),xo.prototype.constructor=xo,xo.prototype.isCanvasTexture=!0,_o.prototype=Object.create(wt.prototype),_o.prototype.constructor=_o,_o.prototype.isDepthTexture=!0;var bo=function(t){function e(e,n,i,r){var a;void 0===e&&(e=1),void 0===n&&(n=8),void 0===i&&(i=0),void 0===r&&(r=2*Math.PI),(a=t.call(this)||this).type="CircleGeometry",a.parameters={radius:e,segments:n,thetaStart:i,thetaLength:r},n=Math.max(3,n);var o=[],s=[],c=[],l=[],u=new Lt,h=new yt;s.push(0,0,0),c.push(0,0,1),l.push(.5,.5);for(var d=0,p=3;d<=n;d++,p+=3){var f=i+d/n*r;u.x=e*Math.cos(f),u.y=e*Math.sin(f),s.push(u.x,u.y,u.z),c.push(0,0,1),h.x=(s[p]/e+1)/2,h.y=(s[p+1]/e+1)/2,l.push(h.x,h.y)}for(var m=1;m<=n;m++)o.push(m,m+1,0);return a.setIndex(o),a.setAttribute("position",new dn(s,3)),a.setAttribute("normal",new dn(c,3)),a.setAttribute("uv",new dn(l,2)),a}return ct(e,t),e}(Sn),wo=function(t){function e(e,n,i,r,a,o,s,c){var l;void 0===e&&(e=1),void 0===n&&(n=1),void 0===i&&(i=1),void 0===r&&(r=8),void 0===a&&(a=1),void 0===o&&(o=!1),void 0===s&&(s=0),void 0===c&&(c=2*Math.PI),(l=t.call(this)||this).type="CylinderGeometry",l.parameters={radiusTop:e,radiusBottom:n,height:i,radialSegments:r,heightSegments:a,openEnded:o,thetaStart:s,thetaLength:c};var u=lt(l);r=Math.floor(r),a=Math.floor(a);var h=[],d=[],p=[],f=[],m=0,v=[],g=i/2,y=0;function x(t){for(var i=m,a=new yt,o=new Lt,l=0,v=!0===t?e:n,x=!0===t?1:-1,_=1;_<=r;_++)d.push(0,g*x,0),p.push(0,x,0),f.push(.5,.5),m++;for(var b=m,w=0;w<=r;w++){var M=w/r*c+s,S=Math.cos(M),T=Math.sin(M);o.x=v*T,o.y=g*x,o.z=v*S,d.push(o.x,o.y,o.z),p.push(0,x,0),a.x=.5*S+.5,a.y=.5*T*x+.5,f.push(a.x,a.y),m++}for(var E=0;E<r;E++){var A=i+E,L=b+E;!0===t?h.push(L,L+1,A):h.push(L+1,L,A),l+=3}u.addGroup(y,l,!0===t?1:2),y+=l}return function(){for(var t=new Lt,o=new Lt,l=0,x=(n-e)/i,_=0;_<=a;_++){for(var b=[],w=_/a,M=w*(n-e)+e,S=0;S<=r;S++){var T=S/r,E=T*c+s,A=Math.sin(E),L=Math.cos(E);o.x=M*A,o.y=-w*i+g,o.z=M*L,d.push(o.x,o.y,o.z),t.set(A,x,L).normalize(),p.push(t.x,t.y,t.z),f.push(T,1-w),b.push(m++)}v.push(b)}for(var R=0;R<r;R++)for(var C=0;C<a;C++){var P=v[C][R],O=v[C+1][R],I=v[C+1][R+1],D=v[C][R+1];h.push(P,O,D),h.push(O,I,D),l+=6}u.addGroup(y,l,0),y+=l}(),!1===o&&(e>0&&x(!0),n>0&&x(!1)),l.setIndex(h),l.setAttribute("position",new dn(d,3)),l.setAttribute("normal",new dn(p,3)),l.setAttribute("uv",new dn(f,2)),l}return ct(e,t),e}(Sn),Mo=function(t){function e(e,n,i,r,a,o,s){var c;return void 0===e&&(e=1),void 0===n&&(n=1),void 0===i&&(i=8),void 0===r&&(r=1),void 0===a&&(a=!1),void 0===o&&(o=0),void 0===s&&(s=2*Math.PI),(c=t.call(this,0,e,n,i,r,a,o,s)||this).type="ConeGeometry",c.parameters={radius:e,height:n,radialSegments:i,heightSegments:r,openEnded:a,thetaStart:o,thetaLength:s},c}return ct(e,t),e}(wo),So=function(t){function e(e,n,i,r){var a;void 0===i&&(i=1),void 0===r&&(r=0),(a=t.call(this)||this).type="PolyhedronGeometry",a.parameters={vertices:e,indices:n,radius:i,detail:r};var o=[],s=[];function c(t,e,n,i){for(var r=i+1,a=[],o=0;o<=r;o++){a[o]=[];for(var s=t.clone().lerp(n,o/r),c=e.clone().lerp(n,o/r),u=r-o,h=0;h<=u;h++)a[o][h]=0===h&&o===r?s:s.clone().lerp(c,h/u)}for(var d=0;d<r;d++)for(var p=0;p<2*(r-d)-1;p++){var f=Math.floor(p/2);p%2==0?(l(a[d][f+1]),l(a[d+1][f]),l(a[d][f])):(l(a[d][f+1]),l(a[d+1][f+1]),l(a[d+1][f]))}}function l(t){o.push(t.x,t.y,t.z)}function u(t,n){var i=3*t;n.x=e[i+0],n.y=e[i+1],n.z=e[i+2]}function h(t,e,n,i){i<0&&1===t.x&&(s[e]=t.x-1),0===n.x&&0===n.z&&(s[e]=i/2/Math.PI+.5)}function d(t){return Math.atan2(t.z,-t.x)}return function(t){for(var e=new Lt,i=new Lt,r=new Lt,a=0;a<n.length;a+=3)u(n[a+0],e),u(n[a+1],i),u(n[a+2],r),c(e,i,r,t)}(r),function(t){for(var e=new Lt,n=0;n<o.length;n+=3)e.x=o[n+0],e.y=o[n+1],e.z=o[n+2],e.normalize().multiplyScalar(t),o[n+0]=e.x,o[n+1]=e.y,o[n+2]=e.z}(i),function(){for(var t=new Lt,e=0;e<o.length;e+=3){t.x=o[e+0],t.y=o[e+1],t.z=o[e+2];var n=d(t)/2/Math.PI+.5,i=(r=t,Math.atan2(-r.y,Math.sqrt(r.x*r.x+r.z*r.z))/Math.PI+.5);s.push(n,1-i)}var r;(function(){for(var t=new Lt,e=new Lt,n=new Lt,i=new Lt,r=new yt,a=new yt,c=new yt,l=0,u=0;l<o.length;l+=9,u+=6){t.set(o[l+0],o[l+1],o[l+2]),e.set(o[l+3],o[l+4],o[l+5]),n.set(o[l+6],o[l+7],o[l+8]),r.set(s[u+0],s[u+1]),a.set(s[u+2],s[u+3]),c.set(s[u+4],s[u+5]),i.copy(t).add(e).add(n).divideScalar(3);var p=d(i);h(r,u+0,t,p),h(a,u+2,e,p),h(c,u+4,n,p)}})(),function(){for(var t=0;t<s.length;t+=6){var e=s[t+0],n=s[t+2],i=s[t+4],r=Math.max(e,n,i),a=Math.min(e,n,i);r>.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),a.setAttribute("position",new dn(o,3)),a.setAttribute("normal",new dn(o.slice(),3)),a.setAttribute("uv",new dn(s,2)),0===r?a.computeVertexNormals():a.normalizeNormals(),a}return ct(e,t),e}(Sn),To=function(t){function e(e,n){var i;void 0===e&&(e=1),void 0===n&&(n=0);var r=(1+Math.sqrt(5))/2,a=1/r,o=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-a,-r,0,-a,r,0,a,-r,0,a,r,-a,-r,0,-a,r,0,a,-r,0,a,r,0,-r,0,-a,r,0,-a,-r,0,a,r,0,a];return(i=t.call(this,o,[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],e,n)||this).type="DodecahedronGeometry",i.parameters={radius:e,detail:n},i}return ct(e,t),e}(So),Eo=new Lt,Ao=new Lt,Lo=new Lt,Ro=new ke,Co=function(t){function e(e,n){var i;if((i=t.call(this)||this).type="EdgesGeometry",i.parameters={thresholdAngle:n},n=void 0!==n?n:1,!0===e.isGeometry)return console.error("THREE.EdgesGeometry no longer supports THREE.Geometry. 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yt,d=0;d<=n;d++)for(var p=i+d*l*r,f=Math.sin(p),m=Math.cos(p),v=0;v<=e.length-1;v++)u.x=e[v].x*f,u.y=e[v].y,u.z=e[v].x*m,s.push(u.x,u.y,u.z),h.x=d/n,h.y=v/(e.length-1),c.push(h.x,h.y);for(var g=0;g<n;g++)for(var y=0;y<e.length-1;y++){var x=y+g*e.length,_=x,b=x+e.length,w=x+e.length+1,M=x+1;o.push(_,b,M),o.push(b,w,M)}if(a.setIndex(o),a.setAttribute("position",new dn(s,3)),a.setAttribute("uv",new dn(c,2)),a.computeVertexNormals(),r===2*Math.PI)for(var S=a.attributes.normal.array,T=new Lt,E=new Lt,A=new Lt,L=n*e.length*3,R=0,C=0;R<e.length;R++,C+=3)T.x=S[C+0],T.y=S[C+1],T.z=S[C+2],E.x=S[L+C+0],E.y=S[L+C+1],E.z=S[L+C+2],A.addVectors(T,E).normalize(),S[C+0]=S[L+C+0]=A.x,S[C+1]=S[L+C+1]=A.y,S[C+2]=S[L+C+2]=A.z;return a}return ct(e,t),e}(Sn),ls=function(t){function e(e,n){var i;void 0===e&&(e=1),void 0===n&&(n=0);return(i=t.call(this,[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],e,n)||this).type="OctahedronGeometry",i.parameters={radius:e,detail:n},i}return ct(e,t),e}(So);function us(t,e,n){Sn.call(this),this.type="ParametricGeometry",this.parameters={func:t,slices:e,stacks:n};var i=[],r=[],a=[],o=[],s=1e-5,c=new Lt,l=new Lt,u=new Lt,h=new Lt,d=new Lt;t.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");for(var p=e+1,f=0;f<=n;f++)for(var m=f/n,v=0;v<=e;v++){var g=v/e;t(g,m,l),r.push(l.x,l.y,l.z),g-s>=0?(t(g-s,m,u),h.subVectors(l,u)):(t(g+s,m,u),h.subVectors(u,l)),m-s>=0?(t(g,m-s,u),d.subVectors(l,u)):(t(g,m+s,u),d.subVectors(u,l)),c.crossVectors(h,d).normalize(),a.push(c.x,c.y,c.z),o.push(g,m)}for(var y=0;y<n;y++)for(var x=0;x<e;x++){var _=y*p+x,b=y*p+x+1,w=(y+1)*p+x+1,M=(y+1)*p+x;i.push(_,b,M),i.push(b,w,M)}this.setIndex(i),this.setAttribute("position",new dn(r,3)),this.setAttribute("normal",new dn(a,3)),this.setAttribute("uv",new dn(o,2))}us.prototype=Object.create(Sn.prototype),us.prototype.constructor=us;var hs=function(t){function e(e,n,i,r,a,o){var s;void 0===e&&(e=.5),void 0===n&&(n=1),void 0===i&&(i=8),void 0===r&&(r=1),void 0===a&&(a=0),void 0===o&&(o=2*Math.PI),(s=t.call(this)||this).type="RingGeometry",s.parameters={innerRadius:e,outerRadius:n,thetaSegments:i,phiSegments:r,thetaStart:a,thetaLength:o},i=Math.max(3,i);for(var c=[],l=[],u=[],h=[],d=e,p=(n-e)/(r=Math.max(1,r)),f=new Lt,m=new yt,v=0;v<=r;v++){for(var g=0;g<=i;g++){var y=a+g/i*o;f.x=d*Math.cos(y),f.y=d*Math.sin(y),l.push(f.x,f.y,f.z),u.push(0,0,1),m.x=(f.x/n+1)/2,m.y=(f.y/n+1)/2,h.push(m.x,m.y)}d+=p}for(var x=0;x<r;x++)for(var _=x*(i+1),b=0;b<i;b++){var w=b+_,M=w,S=w+i+1,T=w+i+2,E=w+1;c.push(M,S,E),c.push(S,T,E)}return s.setIndex(c),s.setAttribute("position",new dn(l,3)),s.setAttribute("normal",new dn(u,3)),s.setAttribute("uv",new dn(h,2)),s}return ct(e,t),e}(Sn),ds=function(t){function e(e,n){var i;void 0===n&&(n=12),(i=t.call(this)||this).type="ShapeGeometry",i.parameters={shapes:e,curveSegments:n};var r=[],a=[],o=[],s=[],c=0,l=0;if(!1===Array.isArray(e))h(e);else for(var u=0;u<e.length;u++)h(e[u]),i.addGroup(c,l,u),c+=l,l=0;function h(t){var e=a.length/3,i=t.extractPoints(n),c=i.shape,u=i.holes;!1===ns.isClockWise(c)&&(c=c.reverse());for(var h=0,d=u.length;h<d;h++){var p=u[h];!0===ns.isClockWise(p)&&(u[h]=p.reverse())}for(var f=ns.triangulateShape(c,u),m=0,v=u.length;m<v;m++){var g=u[m];c=c.concat(g)}for(var y=0,x=c.length;y<x;y++){var _=c[y];a.push(_.x,_.y,0),o.push(0,0,1),s.push(_.x,_.y)}for(var b=0,w=f.length;b<w;b++){var M=f[b],S=M[0]+e,T=M[1]+e,E=M[2]+e;r.push(S,T,E),l+=3}}return i.setIndex(r),i.setAttribute("position",new dn(a,3)),i.setAttribute("normal",new dn(o,3)),i.setAttribute("uv",new dn(s,2)),i}return ct(e,t),e.prototype.toJSON=function(){var t=Sn.prototype.toJSON.call(this);return function(t,e){if(e.shapes=[],Array.isArray(t))for(var n=0,i=t.length;n<i;n++){var r=t[n];e.shapes.push(r.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)},e}(Sn);var ps=function(t){function e(e,n,i,r,a,o,s){var c;void 0===e&&(e=1),void 0===n&&(n=8),void 0===i&&(i=6),void 0===r&&(r=0),void 0===a&&(a=2*Math.PI),void 0===o&&(o=0),void 0===s&&(s=Math.PI),(c=t.call(this)||this).type="SphereGeometry",c.parameters={radius:e,widthSegments:n,heightSegments:i,phiStart:r,phiLength:a,thetaStart:o,thetaLength:s},n=Math.max(3,Math.floor(n)),i=Math.max(2,Math.floor(i));for(var l=Math.min(o+s,Math.PI),u=0,h=[],d=new Lt,p=new Lt,f=[],m=[],v=[],g=[],y=0;y<=i;y++){var x=[],_=y/i,b=0;0==y&&0==o?b=.5/n:y==i&&l==Math.PI&&(b=-.5/n);for(var w=0;w<=n;w++){var M=w/n;d.x=-e*Math.cos(r+M*a)*Math.sin(o+_*s),d.y=e*Math.cos(o+_*s),d.z=e*Math.sin(r+M*a)*Math.sin(o+_*s),m.push(d.x,d.y,d.z),p.copy(d).normalize(),v.push(p.x,p.y,p.z),g.push(M+b,1-_),x.push(u++)}h.push(x)}for(var S=0;S<i;S++)for(var T=0;T<n;T++){var E=h[S][T+1],A=h[S][T],L=h[S+1][T],R=h[S+1][T+1];(0!==S||o>0)&&f.push(E,A,R),(S!==i-1||l<Math.PI)&&f.push(A,L,R)}return c.setIndex(f),c.setAttribute("position",new dn(m,3)),c.setAttribute("normal",new dn(v,3)),c.setAttribute("uv",new dn(g,2)),c}return ct(e,t),e}(Sn),fs=function(t){function e(e,n){var i;void 0===e&&(e=1),void 0===n&&(n=0);return(i=t.call(this,[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],e,n)||this).type="TetrahedronGeometry",i.parameters={radius:e,detail:n},i}return ct(e,t),e}(So),ms=function(t){function e(e,n){var i;void 0===n&&(n={});var r=n.font;if(!r||!r.isFont)return console.error("THREE.TextGeometry: font parameter is not an instance of THREE.Font."),new Sn||lt(i);var a=r.generateShapes(e,n.size);return n.depth=void 0!==n.height?n.height:50,void 0===n.bevelThickness&&(n.bevelThickness=10),void 0===n.bevelSize&&(n.bevelSize=8),void 0===n.bevelEnabled&&(n.bevelEnabled=!1),(i=t.call(this,a,n)||this).type="TextGeometry",i}return ct(e,t),e}(as),vs=function(t){function e(e,n,i,r,a){var o;void 0===e&&(e=1),void 0===n&&(n=.4),void 0===i&&(i=8),void 0===r&&(r=6),void 0===a&&(a=2*Math.PI),(o=t.call(this)||this).type="TorusGeometry",o.parameters={radius:e,tube:n,radialSegments:i,tubularSegments:r,arc:a},i=Math.floor(i),r=Math.floor(r);for(var s=[],c=[],l=[],u=[],h=new Lt,d=new Lt,p=new Lt,f=0;f<=i;f++)for(var m=0;m<=r;m++){var v=m/r*a,g=f/i*Math.PI*2;d.x=(e+n*Math.cos(g))*Math.cos(v),d.y=(e+n*Math.cos(g))*Math.sin(v),d.z=n*Math.sin(g),c.push(d.x,d.y,d.z),h.x=e*Math.cos(v),h.y=e*Math.sin(v),p.subVectors(d,h).normalize(),l.push(p.x,p.y,p.z),u.push(m/r),u.push(f/i)}for(var y=1;y<=i;y++)for(var x=1;x<=r;x++){var _=(r+1)*y+x-1,b=(r+1)*(y-1)+x-1,w=(r+1)*(y-1)+x,M=(r+1)*y+x;s.push(_,b,M),s.push(b,w,M)}return o.setIndex(s),o.setAttribute("position",new dn(c,3)),o.setAttribute("normal",new dn(l,3)),o.setAttribute("uv",new dn(u,2)),o}return ct(e,t),e}(Sn),gs=function(t){function e(e,n,i,r,a,o){var s;void 0===e&&(e=1),void 0===n&&(n=.4),void 0===i&&(i=64),void 0===r&&(r=8),void 0===a&&(a=2),void 0===o&&(o=3),(s=t.call(this)||this).type="TorusKnotGeometry",s.parameters={radius:e,tube:n,tubularSegments:i,radialSegments:r,p:a,q:o},i=Math.floor(i),r=Math.floor(r);for(var c=[],l=[],u=[],h=[],d=new Lt,p=new Lt,f=new Lt,m=new Lt,v=new Lt,g=new Lt,y=new Lt,x=0;x<=i;++x){var _=x/i*a*Math.PI*2;P(_,a,o,e,f),P(_+.01,a,o,e,m),g.subVectors(m,f),y.addVectors(m,f),v.crossVectors(g,y),y.crossVectors(v,g),v.normalize(),y.normalize();for(var b=0;b<=r;++b){var w=b/r*Math.PI*2,M=-n*Math.cos(w),S=n*Math.sin(w);d.x=f.x+(M*y.x+S*v.x),d.y=f.y+(M*y.y+S*v.y),d.z=f.z+(M*y.z+S*v.z),l.push(d.x,d.y,d.z),p.subVectors(d,f).normalize(),u.push(p.x,p.y,p.z),h.push(x/i),h.push(b/r)}}for(var T=1;T<=i;T++)for(var E=1;E<=r;E++){var A=(r+1)*(T-1)+(E-1),L=(r+1)*T+(E-1),R=(r+1)*T+E,C=(r+1)*(T-1)+E;c.push(A,L,C),c.push(L,R,C)}function P(t,e,n,i,r){var a=Math.cos(t),o=Math.sin(t),s=n/e*t,c=Math.cos(s);r.x=i*(2+c)*.5*a,r.y=i*(2+c)*o*.5,r.z=i*Math.sin(s)*.5}return s.setIndex(c),s.setAttribute("position",new dn(l,3)),s.setAttribute("normal",new dn(u,3)),s.setAttribute("uv",new dn(h,2)),s}return ct(e,t),e}(Sn),ys=function(t){function e(e,n,i,r,a){var o;void 0===n&&(n=64),void 0===i&&(i=1),void 0===r&&(r=8),void 0===a&&(a=!1),(o=t.call(this)||this).type="TubeGeometry",o.parameters={path:e,tubularSegments:n,radius:i,radialSegments:r,closed:a};var s=e.computeFrenetFrames(n,a);o.tangents=s.tangents,o.normals=s.normals,o.binormals=s.binormals;var c=new Lt,l=new Lt,u=new yt,h=new Lt,d=[],p=[],f=[],m=[];function v(t){h=e.getPointAt(t/n,h);for(var a=s.normals[t],o=s.binormals[t],u=0;u<=r;u++){var f=u/r*Math.PI*2,m=Math.sin(f),v=-Math.cos(f);l.x=v*a.x+m*o.x,l.y=v*a.y+m*o.y,l.z=v*a.z+m*o.z,l.normalize(),p.push(l.x,l.y,l.z),c.x=h.x+i*l.x,c.y=h.y+i*l.y,c.z=h.z+i*l.z,d.push(c.x,c.y,c.z)}}return function(){for(var t=0;t<n;t++)v(t);v(!1===a?n:0),function(){for(var t=0;t<=n;t++)for(var e=0;e<=r;e++)u.x=t/n,u.y=e/r,f.push(u.x,u.y)}(),function(){for(var t=1;t<=n;t++)for(var e=1;e<=r;e++){var i=(r+1)*(t-1)+(e-1),a=(r+1)*t+(e-1),o=(r+1)*t+e,s=(r+1)*(t-1)+e;m.push(i,a,s),m.push(a,o,s)}}()}(),o.setIndex(m),o.setAttribute("position",new dn(d,3)),o.setAttribute("normal",new dn(p,3)),o.setAttribute("uv",new dn(f,2)),o}return ct(e,t),e.prototype.toJSON=function(){var t=Sn.prototype.toJSON.call(this);return t.path=this.parameters.path.toJSON(),t},e}(Sn),xs=function(t){function e(e){var n;if((n=t.call(this)||this).type="WireframeGeometry",!0===e.isGeometry)return console.error("THREE.WireframeGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),lt(n);var i=[],r=[0,0],a={},o=new Lt;if(null!==e.index){var s=e.attributes.position,c=e.index,l=e.groups;0===l.length&&(l=[{start:0,count:c.count,materialIndex:0}]);for(var u=0,h=l.length;u<h;++u)for(var d=l[u],p=d.start,f=p,m=p+d.count;f<m;f+=3)for(var v=0;v<3;v++){var g=c.getX(f+v),y=c.getX(f+(v+1)%3);r[0]=Math.min(g,y),r[1]=Math.max(g,y);var x=r[0]+","+r[1];void 0===a[x]&&(a[x]={index1:r[0],index2:r[1]})}for(var _ in a){var b=a[_];o.fromBufferAttribute(s,b.index1),i.push(o.x,o.y,o.z),o.fromBufferAttribute(s,b.index2),i.push(o.x,o.y,o.z)}}else for(var w=e.attributes.position,M=0,S=w.count/3;M<S;M++)for(var T=0;T<3;T++){var E=3*M+T;o.fromBufferAttribute(w,E),i.push(o.x,o.y,o.z);var A=3*M+(T+1)%3;o.fromBufferAttribute(w,A),i.push(o.x,o.y,o.z)}return n.setAttribute("position",new dn(i,3)),n}return ct(e,t),e}(Sn),_s=Object.freeze({__proto__:null,BoxGeometry:Wn,BoxBufferGeometry:Wn,CircleGeometry:bo,CircleBufferGeometry:bo,ConeGeometry:Mo,ConeBufferGeometry:Mo,CylinderGeometry:wo,CylinderBufferGeometry:wo,DodecahedronGeometry:To,DodecahedronBufferGeometry:To,EdgesGeometry:Co,ExtrudeGeometry:as,ExtrudeBufferGeometry:as,IcosahedronGeometry:ss,IcosahedronBufferGeometry:ss,LatheGeometry:cs,LatheBufferGeometry:cs,OctahedronGeometry:ls,OctahedronBufferGeometry:ls,ParametricGeometry:us,ParametricBufferGeometry:us,PlaneGeometry:si,PlaneBufferGeometry:si,PolyhedronGeometry:So,PolyhedronBufferGeometry:So,RingGeometry:hs,RingBufferGeometry:hs,ShapeGeometry:ds,ShapeBufferGeometry:ds,SphereGeometry:ps,SphereBufferGeometry:ps,TetrahedronGeometry:fs,TetrahedronBufferGeometry:fs,TextGeometry:ms,TextBufferGeometry:ms,TorusGeometry:vs,TorusBufferGeometry:vs,TorusKnotGeometry:gs,TorusKnotBufferGeometry:gs,TubeGeometry:ys,TubeBufferGeometry:ys,WireframeGeometry:xs});function bs(t){Ke.call(this),this.type="ShadowMaterial",this.color=new Ze(0),this.transparent=!0,this.setValues(t)}function ws(t){Yn.call(this,t),this.type="RawShaderMaterial"}function Ms(t){Ke.call(this),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Ze(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ze(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new yt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.vertexTangents=!1,this.setValues(t)}function Ss(t){Ms.call(this),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoat=0,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new yt(1,1),this.clearcoatNormalMap=null,this.reflectivity=.5,Object.defineProperty(this,"ior",{get:function(){return(1+.4*this.reflectivity)/(1-.4*this.reflectivity)},set:function(t){this.reflectivity=gt.clamp(2.5*(t-1)/(t+1),0,1)}}),this.sheen=null,this.transmission=0,this.transmissionMap=null,this.setValues(t)}function Ts(t){Ke.call(this),this.type="MeshPhongMaterial",this.color=new Ze(16777215),this.specular=new Ze(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ze(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new yt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Es(t){Ke.call(this),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Ze(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ze(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new yt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function As(t){Ke.call(this),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new yt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Ls(t){Ke.call(this),this.type="MeshLambertMaterial",this.color=new Ze(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ze(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Rs(t){Ke.call(this),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Ze(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new yt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Cs(t){Ka.call(this),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}bs.prototype=Object.create(Ke.prototype),bs.prototype.constructor=bs,bs.prototype.isShadowMaterial=!0,bs.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this},ws.prototype=Object.create(Yn.prototype),ws.prototype.constructor=ws,ws.prototype.isRawShaderMaterial=!0,Ms.prototype=Object.create(Ke.prototype),Ms.prototype.constructor=Ms,Ms.prototype.isMeshStandardMaterial=!0,Ms.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.vertexTangents=t.vertexTangents,this},Ss.prototype=Object.create(Ms.prototype),Ss.prototype.constructor=Ss,Ss.prototype.isMeshPhysicalMaterial=!0,Ss.prototype.copy=function(t){return Ms.prototype.copy.call(this,t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.reflectivity=t.reflectivity,t.sheen?this.sheen=(this.sheen||new Ze).copy(t.sheen):this.sheen=null,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this},Ts.prototype=Object.create(Ke.prototype),Ts.prototype.constructor=Ts,Ts.prototype.isMeshPhongMaterial=!0,Ts.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Es.prototype=Object.create(Ke.prototype),Es.prototype.constructor=Es,Es.prototype.isMeshToonMaterial=!0,Es.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},As.prototype=Object.create(Ke.prototype),As.prototype.constructor=As,As.prototype.isMeshNormalMaterial=!0,As.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Ls.prototype=Object.create(Ke.prototype),Ls.prototype.constructor=Ls,Ls.prototype.isMeshLambertMaterial=!0,Ls.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Rs.prototype=Object.create(Ke.prototype),Rs.prototype.constructor=Rs,Rs.prototype.isMeshMatcapMaterial=!0,Rs.prototype.copy=function(t){return Ke.prototype.copy.call(this,t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Cs.prototype=Object.create(Ka.prototype),Cs.prototype.constructor=Cs,Cs.prototype.isLineDashedMaterial=!0,Cs.prototype.copy=function(t){return Ka.prototype.copy.call(this,t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this};var Ps=Object.freeze({__proto__:null,ShadowMaterial:bs,SpriteMaterial:xa,RawShaderMaterial:ws,ShaderMaterial:Yn,PointsMaterial:lo,MeshPhysicalMaterial:Ss,MeshStandardMaterial:Ms,MeshPhongMaterial:Ts,MeshToonMaterial:Es,MeshNormalMaterial:As,MeshLambertMaterial:Ls,MeshDepthMaterial:$r,MeshDistanceMaterial:ta,MeshBasicMaterial:$e,MeshMatcapMaterial:Rs,LineDashedMaterial:Cs,LineBasicMaterial:Ka,Material:Ke}),Os={arraySlice:function(t,e,n){return Os.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){for(var e=t.length,n=new Array(e),i=0;i!==e;++i)n[i]=i;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){for(var i=t.length,r=new t.constructor(i),a=0,o=0;o!==i;++a)for(var s=n[a]*e,c=0;c!==e;++c)r[o++]=t[s+c];return r},flattenJSON:function(t,e,n,i){for(var r=1,a=t[0];void 0!==a&&void 0===a[i];)a=t[r++];if(void 0!==a){var o=a[i];if(void 0!==o)if(Array.isArray(o))do{void 0!==(o=a[i])&&(e.push(a.time),n.push.apply(n,o)),a=t[r++]}while(void 0!==a);else if(void 0!==o.toArray)do{void 0!==(o=a[i])&&(e.push(a.time),o.toArray(n,n.length)),a=t[r++]}while(void 0!==a);else do{void 0!==(o=a[i])&&(e.push(a.time),n.push(o)),a=t[r++]}while(void 0!==a)}},subclip:function(t,e,n,i,r){void 0===r&&(r=30);var a=t.clone();a.name=e;for(var o=[],s=0;s<a.tracks.length;++s){for(var c=a.tracks[s],l=c.getValueSize(),u=[],h=[],d=0;d<c.times.length;++d){var p=c.times[d]*r;if(!(p<n||p>=i)){u.push(c.times[d]);for(var f=0;f<l;++f)h.push(c.values[d*l+f])}}0!==u.length&&(c.times=Os.convertArray(u,c.times.constructor),c.values=Os.convertArray(h,c.values.constructor),o.push(c))}a.tracks=o;for(var m=1/0,v=0;v<a.tracks.length;++v)m>a.tracks[v].times[0]&&(m=a.tracks[v].times[0]);for(var g=0;g<a.tracks.length;++g)a.tracks[g].shift(-1*m);return a.resetDuration(),a},makeClipAdditive:function(t,e,n,i){void 0===e&&(e=0),void 0===n&&(n=t),void 0===i&&(i=30),i<=0&&(i=30);for(var r=n.tracks.length,a=e/i,o=function(e){var i=n.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)return"continue";var o=t.tracks.find((function(t){return t.name===i.name&&t.ValueTypeName===r}));if(void 0===o)return"continue";var s=0,c=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(s=c/3);var l=0,u=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=u/3);var h=i.times.length-1,d=void 0;if(a<=i.times[0]){var p=s,f=c-s;d=Os.arraySlice(i.values,p,f)}else if(a>=i.times[h]){var m=h*c+s,v=m+c-s;d=Os.arraySlice(i.values,m,v)}else{var g=i.createInterpolant(),y=s,x=c-s;g.evaluate(a),d=Os.arraySlice(g.resultBuffer,y,x)}"quaternion"===r&&(new At).fromArray(d).normalize().conjugate().toArray(d);for(var _=o.times.length,b=0;b<_;++b){var w=b*u+l;if("quaternion"===r)At.multiplyQuaternionsFlat(o.values,w,d,0,o.values,w);else for(var M=u-2*l,S=0;S<M;++S)o.values[w+S]-=d[S]}},s=0;s<r;++s)o(s);return t.blendMode=X,t}};function Is(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n}function Ds(t,e,n,i){Is.call(this,t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0}function Ns(t,e,n,i){Is.call(this,t,e,n,i)}function Bs(t,e,n,i){Is.call(this,t,e,n,i)}function zs(t,e,n,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=Os.convertArray(e,this.TimeBufferType),this.values=Os.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}function Fs(t,e,n){zs.call(this,t,e,n)}function Hs(t,e,n,i){zs.call(this,t,e,n,i)}function Gs(t,e,n,i){zs.call(this,t,e,n,i)}function Us(t,e,n,i){Is.call(this,t,e,n,i)}function ks(t,e,n,i){zs.call(this,t,e,n,i)}function Vs(t,e,n,i){zs.call(this,t,e,n,i)}function Ws(t,e,n,i){zs.call(this,t,e,n,i)}function js(t,e,n,i){void 0===e&&(e=-1),void 0===i&&(i=q),this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=gt.generateUUID(),this.duration<0&&this.resetDuration()}function qs(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");var e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Gs;case"vector":case"vector2":case"vector3":case"vector4":return Ws;case"color":return Hs;case"quaternion":return ks;case"bool":case"boolean":return Fs;case"string":return Vs}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){var n=[],i=[];Os.flattenJSON(t.keys,n,i,"value"),t.times=n,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}Object.assign(Is.prototype,{evaluate:function(t){var e=this.parameterPositions,n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{var a;n:{i:if(!(t<i)){for(var o=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,t,r)}if(n===o)break;if(r=i,t<(i=e[++n]))break e}a=e.length;break n}if(t>=r)break t;var s=e[1];t<s&&(n=2,r=s);for(var c=n-2;;){if(void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(n===c)break;if(i=r,t>=(r=e[--n-1]))break e}a=n,n=0}for(;n<a;){var l=n+a>>>1;t<e[l]?a=l:n=l+1}if(i=e[n],void 0===(r=e[n-1]))return this._cachedIndex=0,this.beforeStart_(0,t,i);if(void 0===i)return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,r,t)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)},settings:null,DefaultSettings_:{},getSettings_:function(){return this.settings||this.DefaultSettings_},copySampleValue_:function(t){for(var e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i,a=0;a!==i;++a)e[a]=n[r+a];return e},interpolate_:function(){throw new Error("call to abstract method")},intervalChanged_:function(){}}),Object.assign(Is.prototype,{beforeStart_:Is.prototype.copySampleValue_,afterEnd_:Is.prototype.copySampleValue_}),Ds.prototype=Object.assign(Object.create(Is.prototype),{constructor:Ds,DefaultSettings_:{endingStart:V,endingEnd:V},intervalChanged_:function(t,e,n){var i=this.parameterPositions,r=t-2,a=t+1,o=i[r],s=i[a];if(void 0===o)switch(this.getSettings_().endingStart){case W:r=t,o=2*e-n;break;case j:o=e+i[r=i.length-2]-i[r+1];break;default:r=t,o=n}if(void 0===s)switch(this.getSettings_().endingEnd){case W:a=t,s=2*n-e;break;case j:a=1,s=n+i[1]-i[0];break;default:a=t-1,s=e}var c=.5*(n-e),l=this.valueSize;this._weightPrev=c/(e-o),this._weightNext=c/(s-n),this._offsetPrev=r*l,this._offsetNext=a*l},interpolate_:function(t,e,n,i){for(var r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=t*o,c=s-o,l=this._offsetPrev,u=this._offsetNext,h=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),f=p*p,m=f*p,v=-h*m+2*h*f-h*p,g=(1+h)*m+(-1.5-2*h)*f+(-.5+h)*p+1,y=(-1-d)*m+(1.5+d)*f+.5*p,x=d*m-d*f,_=0;_!==o;++_)r[_]=v*a[l+_]+g*a[c+_]+y*a[s+_]+x*a[u+_];return r}}),Ns.prototype=Object.assign(Object.create(Is.prototype),{constructor:Ns,interpolate_:function(t,e,n,i){for(var r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=t*o,c=s-o,l=(n-e)/(i-e),u=1-l,h=0;h!==o;++h)r[h]=a[c+h]*u+a[s+h]*l;return r}}),Bs.prototype=Object.assign(Object.create(Is.prototype),{constructor:Bs,interpolate_:function(t){return this.copySampleValue_(t-1)}}),Object.assign(zs,{toJSON:function(t){var e,n=t.constructor;if(void 0!==n.toJSON)e=n.toJSON(t);else{e={name:t.name,times:Os.convertArray(t.times,Array),values:Os.convertArray(t.values,Array)};var i=t.getInterpolation();i!==t.DefaultInterpolation&&(e.interpolation=i)}return e.type=t.ValueTypeName,e}}),Object.assign(zs.prototype,{constructor:zs,TimeBufferType:Float32Array,ValueBufferType:Float32Array,DefaultInterpolation:U,InterpolantFactoryMethodDiscrete:function(t){return new Bs(this.times,this.values,this.getValueSize(),t)},InterpolantFactoryMethodLinear:function(t){return new Ns(this.times,this.values,this.getValueSize(),t)},InterpolantFactoryMethodSmooth:function(t){return new Ds(this.times,this.values,this.getValueSize(),t)},setInterpolation:function(t){var e;switch(t){case G:e=this.InterpolantFactoryMethodDiscrete;break;case U:e=this.InterpolantFactoryMethodLinear;break;case k:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){var n="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(n);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",n),this}return this.createInterpolant=e,this},getInterpolation:function(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return G;case this.InterpolantFactoryMethodLinear:return U;case this.InterpolantFactoryMethodSmooth:return k}},getValueSize:function(){return this.values.length/this.times.length},shift:function(t){if(0!==t)for(var e=this.times,n=0,i=e.length;n!==i;++n)e[n]+=t;return this},scale:function(t){if(1!==t)for(var e=this.times,n=0,i=e.length;n!==i;++n)e[n]*=t;return this},trim:function(t,e){for(var n=this.times,i=n.length,r=0,a=i-1;r!==i&&n[r]<t;)++r;for(;-1!==a&&n[a]>e;)--a;if(++a,0!==r||a!==i){r>=a&&(r=(a=Math.max(a,1))-1);var o=this.getValueSize();this.times=Os.arraySlice(n,r,a),this.values=Os.arraySlice(this.values,r*o,a*o)}return this},validate:function(){var t=!0,e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);var n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);for(var a=null,o=0;o!==r;o++){var s=n[o];if("number"==typeof s&&isNaN(s)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,s),t=!1;break}if(null!==a&&a>s){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,s,a),t=!1;break}a=s}if(void 0!==i&&Os.isTypedArray(i))for(var c=0,l=i.length;c!==l;++c){var u=i[c];if(isNaN(u)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,c,u),t=!1;break}}return t},optimize:function(){for(var t=Os.arraySlice(this.times),e=Os.arraySlice(this.values),n=this.getValueSize(),i=this.getInterpolation()===k,r=t.length-1,a=1,o=1;o<r;++o){var s=!1,c=t[o];if(c!==t[o+1]&&(1!==o||c!==t[0]))if(i)s=!0;else for(var l=o*n,u=l-n,h=l+n,d=0;d!==n;++d){var p=e[l+d];if(p!==e[u+d]||p!==e[h+d]){s=!0;break}}if(s){if(o!==a){t[a]=t[o];for(var f=o*n,m=a*n,v=0;v!==n;++v)e[m+v]=e[f+v]}++a}}if(r>0){t[a]=t[r];for(var 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0!==n.magFilter?n.magFilter:g,a.minFilter=void 0!==n.minFilter?n.minFilter:g,a.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.encoding&&(a.encoding=n.encoding),void 0!==n.flipY&&(a.flipY=n.flipY),void 0!==n.format&&(a.format=n.format),void 0!==n.type&&(a.type=n.type),void 0!==n.mipmaps&&(a.mipmaps=n.mipmaps,a.minFilter=x),1===n.mipmapCount&&(a.minFilter=g),a.needsUpdate=!0,e&&e(a,n))}),n,i),a}}),rc.prototype=Object.assign(Object.create(Js.prototype),{constructor:rc,load:function(t,e,n,i){var r=new wt,a=new ec(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(t,(function(n){r.image=n;var i=t.search(/\.jpe?g($|\?)/i)>0||0===t.search(/^data\:image\/jpeg/);r.format=i?E:A,r.needsUpdate=!0,void 0!==e&&e(r)}),n,i),r}}),Object.assign(ac.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(t,e){var n=this.getUtoTmapping(t);return this.getPoint(n,e)},getPoints:function(t){void 0===t&&(t=5);for(var e=[],n=0;n<=t;n++)e.push(this.getPoint(n/t));return e},getSpacedPoints:function(t){void 0===t&&(t=5);for(var e=[],n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e},getLength:function(){var t=this.getLengths();return t[t.length-1]},getLengths:function(t){if(void 0===t&&(t=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var e,n=[],i=this.getPoint(0),r=0;n.push(0);for(var a=1;a<=t;a++)r+=(e=this.getPoint(a/t)).distanceTo(i),n.push(r),i=e;return this.cacheArcLengths=n,n},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(t,e){var n,i=this.getLengths(),r=0,a=i.length;n=e||t*i[a-1];for(var o,s=0,c=a-1;s<=c;)if((o=i[r=Math.floor(s+(c-s)/2)]-n)<0)s=r+1;else{if(!(o>0)){c=r;break}c=r-1}if(i[r=c]===n)return r/(a-1);var l=i[r];return(r+(n-l)/(i[r+1]-l))/(a-1)},getTangent:function(t,e){var n=1e-4,i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);var a=this.getPoint(i),o=this.getPoint(r),s=e||(a.isVector2?new yt:new Lt);return s.copy(o).sub(a).normalize(),s},getTangentAt:function(t,e){var n=this.getUtoTmapping(t);return this.getTangent(n,e)},computeFrenetFrames:function(t,e){for(var n=new Lt,i=[],r=[],a=[],o=new Lt,s=new ne,c=0;c<=t;c++){var l=c/t;i[c]=this.getTangentAt(l,new Lt),i[c].normalize()}r[0]=new Lt,a[0]=new Lt;var u=Number.MAX_VALUE,h=Math.abs(i[0].x),d=Math.abs(i[0].y),p=Math.abs(i[0].z);h<=u&&(u=h,n.set(1,0,0)),d<=u&&(u=d,n.set(0,1,0)),p<=u&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(var f=1;f<=t;f++){if(r[f]=r[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(i[f-1],i[f]),o.length()>Number.EPSILON){o.normalize();var m=Math.acos(gt.clamp(i[f-1].dot(i[f]),-1,1));r[f].applyMatrix4(s.makeRotationAxis(o,m))}a[f].crossVectors(i[f],r[f])}if(!0===e){var v=Math.acos(gt.clamp(r[0].dot(r[t]),-1,1));v/=t,i[0].dot(o.crossVectors(r[0],r[t]))>0&&(v=-v);for(var g=1;g<=t;g++)r[g].applyMatrix4(s.makeRotationAxis(i[g],v*g)),a[g].crossVectors(i[g],r[g])}return{tangents:i,normals:r,binormals:a}},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this},toJSON:function(){var t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t},fromJSON:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}),oc.prototype=Object.create(ac.prototype),oc.prototype.constructor=oc,oc.prototype.isEllipseCurve=!0,oc.prototype.getPoint=function(t,e){for(var n=e||new yt,i=2*Math.PI,r=this.aEndAngle-this.aStartAngle,a=Math.abs(r)<Number.EPSILON;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=a?0:i),!0!==this.aClockwise||a||(r===i?r=-i:r-=i);var o=this.aStartAngle+t*r,s=this.aX+this.xRadius*Math.cos(o),c=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){var l=Math.cos(this.aRotation),u=Math.sin(this.aRotation),h=s-this.aX,d=c-this.aY;s=h*l-d*u+this.aX,c=h*u+d*l+this.aY}return n.set(s,c)},oc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this},oc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t},oc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this},sc.prototype=Object.create(oc.prototype),sc.prototype.constructor=sc,sc.prototype.isArcCurve=!0;var lc=new Lt,uc=new cc,hc=new cc,dc=new cc;function pc(t,e,n,i){void 0===t&&(t=[]),void 0===e&&(e=!1),void 0===n&&(n="centripetal"),void 0===i&&(i=.5),ac.call(this),this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}function fc(t,e,n,i,r){var a=.5*(i-e),o=.5*(r-n),s=t*t;return(2*n-2*i+a+o)*(t*s)+(-3*n+3*i-2*a-o)*s+a*t+n}function mc(t,e,n,i){return function(t,e){var n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function vc(t,e,n,i,r){return function(t,e){var n=1-t;return n*n*n*e}(t,e)+function(t,e){var n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}function gc(t,e,n,i){void 0===t&&(t=new yt),void 0===e&&(e=new yt),void 0===n&&(n=new yt),void 0===i&&(i=new yt),ac.call(this),this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}function yc(t,e,n,i){void 0===t&&(t=new Lt),void 0===e&&(e=new Lt),void 0===n&&(n=new Lt),void 0===i&&(i=new Lt),ac.call(this),this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}function xc(t,e){void 0===t&&(t=new yt),void 0===e&&(e=new yt),ac.call(this),this.type="LineCurve",this.v1=t,this.v2=e}function _c(t,e){void 0===t&&(t=new Lt),void 0===e&&(e=new Lt),ac.call(this),this.type="LineCurve3",this.v1=t,this.v2=e}function bc(t,e,n){void 0===t&&(t=new yt),void 0===e&&(e=new yt),void 0===n&&(n=new yt),ac.call(this),this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}function wc(t,e,n){void 0===t&&(t=new Lt),void 0===e&&(e=new Lt),void 0===n&&(n=new Lt),ac.call(this),this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}function Mc(t){void 0===t&&(t=[]),ac.call(this),this.type="SplineCurve",this.points=t}pc.prototype=Object.create(ac.prototype),pc.prototype.constructor=pc,pc.prototype.isCatmullRomCurve3=!0,pc.prototype.getPoint=function(t,e){void 0===e&&(e=new Lt);var n,i,r=e,a=this.points,o=a.length,s=(o-(this.closed?0:1))*t,c=Math.floor(s),l=s-c;this.closed?c+=c>0?0:(Math.floor(Math.abs(c)/o)+1)*o:0===l&&c===o-1&&(c=o-2,l=1),this.closed||c>0?n=a[(c-1)%o]:(lc.subVectors(a[0],a[1]).add(a[0]),n=lc);var u=a[c%o],h=a[(c+1)%o];if(this.closed||c+2<o?i=a[(c+2)%o]:(lc.subVectors(a[o-1],a[o-2]).add(a[o-1]),i=lc),"centripetal"===this.curveType||"chordal"===this.curveType){var d="chordal"===this.curveType?.5:.25,p=Math.pow(n.distanceToSquared(u),d),f=Math.pow(u.distanceToSquared(h),d),m=Math.pow(h.distanceToSquared(i),d);f<1e-4&&(f=1),p<1e-4&&(p=f),m<1e-4&&(m=f),uc.initNonuniformCatmullRom(n.x,u.x,h.x,i.x,p,f,m),hc.initNonuniformCatmullRom(n.y,u.y,h.y,i.y,p,f,m),dc.initNonuniformCatmullRom(n.z,u.z,h.z,i.z,p,f,m)}else"catmullrom"===this.curveType&&(uc.initCatmullRom(n.x,u.x,h.x,i.x,this.tension),hc.initCatmullRom(n.y,u.y,h.y,i.y,this.tension),dc.initCatmullRom(n.z,u.z,h.z,i.z,this.tension));return r.set(uc.calc(l),hc.calc(l),dc.calc(l)),r},pc.prototype.copy=function(t){ac.prototype.copy.call(this,t),this.points=[];for(var e=0,n=t.points.length;e<n;e++){var i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this},pc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);t.points=[];for(var e=0,n=this.points.length;e<n;e++){var i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t},pc.prototype.fromJSON=function(t){ac.prototype.fromJSON.call(this,t),this.points=[];for(var e=0,n=t.points.length;e<n;e++){var i=t.points[e];this.points.push((new Lt).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this},gc.prototype=Object.create(ac.prototype),gc.prototype.constructor=gc,gc.prototype.isCubicBezierCurve=!0,gc.prototype.getPoint=function(t,e){void 0===e&&(e=new yt);var n=e,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(vc(t,i.x,r.x,a.x,o.x),vc(t,i.y,r.y,a.y,o.y)),n},gc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this},gc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t},gc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this},yc.prototype=Object.create(ac.prototype),yc.prototype.constructor=yc,yc.prototype.isCubicBezierCurve3=!0,yc.prototype.getPoint=function(t,e){void 0===e&&(e=new Lt);var n=e,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(vc(t,i.x,r.x,a.x,o.x),vc(t,i.y,r.y,a.y,o.y),vc(t,i.z,r.z,a.z,o.z)),n},yc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this},yc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t},yc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this},xc.prototype=Object.create(ac.prototype),xc.prototype.constructor=xc,xc.prototype.isLineCurve=!0,xc.prototype.getPoint=function(t,e){void 0===e&&(e=new yt);var n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n},xc.prototype.getPointAt=function(t,e){return this.getPoint(t,e)},xc.prototype.getTangent=function(t,e){var n=e||new yt;return n.copy(this.v2).sub(this.v1).normalize(),n},xc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v1.copy(t.v1),this.v2.copy(t.v2),this},xc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t},xc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this},_c.prototype=Object.create(ac.prototype),_c.prototype.constructor=_c,_c.prototype.isLineCurve3=!0,_c.prototype.getPoint=function(t,e){void 0===e&&(e=new Lt);var n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n},_c.prototype.getPointAt=function(t,e){return this.getPoint(t,e)},_c.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v1.copy(t.v1),this.v2.copy(t.v2),this},_c.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t},_c.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this},bc.prototype=Object.create(ac.prototype),bc.prototype.constructor=bc,bc.prototype.isQuadraticBezierCurve=!0,bc.prototype.getPoint=function(t,e){void 0===e&&(e=new yt);var n=e,i=this.v0,r=this.v1,a=this.v2;return n.set(mc(t,i.x,r.x,a.x),mc(t,i.y,r.y,a.y)),n},bc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this},bc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t},bc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this},wc.prototype=Object.create(ac.prototype),wc.prototype.constructor=wc,wc.prototype.isQuadraticBezierCurve3=!0,wc.prototype.getPoint=function(t,e){void 0===e&&(e=new Lt);var n=e,i=this.v0,r=this.v1,a=this.v2;return n.set(mc(t,i.x,r.x,a.x),mc(t,i.y,r.y,a.y),mc(t,i.z,r.z,a.z)),n},wc.prototype.copy=function(t){return ac.prototype.copy.call(this,t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this},wc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t},wc.prototype.fromJSON=function(t){return ac.prototype.fromJSON.call(this,t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this},Mc.prototype=Object.create(ac.prototype),Mc.prototype.constructor=Mc,Mc.prototype.isSplineCurve=!0,Mc.prototype.getPoint=function(t,e){void 0===e&&(e=new yt);var n=e,i=this.points,r=(i.length-1)*t,a=Math.floor(r),o=r-a,s=i[0===a?a:a-1],c=i[a],l=i[a>i.length-2?i.length-1:a+1],u=i[a>i.length-3?i.length-1:a+2];return n.set(fc(o,s.x,c.x,l.x,u.x),fc(o,s.y,c.y,l.y,u.y)),n},Mc.prototype.copy=function(t){ac.prototype.copy.call(this,t),this.points=[];for(var e=0,n=t.points.length;e<n;e++){var i=t.points[e];this.points.push(i.clone())}return this},Mc.prototype.toJSON=function(){var t=ac.prototype.toJSON.call(this);t.points=[];for(var e=0,n=this.points.length;e<n;e++){var i=this.points[e];t.points.push(i.toArray())}return t},Mc.prototype.fromJSON=function(t){ac.prototype.fromJSON.call(this,t),this.points=[];for(var e=0,n=t.points.length;e<n;e++){var i=t.points[e];this.points.push((new yt).fromArray(i))}return this};var Sc=Object.freeze({__proto__:null,ArcCurve:sc,CatmullRomCurve3:pc,CubicBezierCurve:gc,CubicBezierCurve3:yc,EllipseCurve:oc,LineCurve:xc,LineCurve3:_c,QuadraticBezierCurve:bc,QuadraticBezierCurve3:wc,SplineCurve:Mc});function Tc(){ac.call(this),this.type="CurvePath",this.curves=[],this.autoClose=!1}function Ec(t){Tc.call(this),this.type="Path",this.currentPoint=new yt,t&&this.setFromPoints(t)}function Ac(t){Ec.call(this,t),this.uuid=gt.generateUUID(),this.type="Shape",this.holes=[]}function Lc(t,e){void 0===e&&(e=1),Ae.call(this),this.type="Light",this.color=new Ze(t),this.intensity=e}function Rc(t,e,n){Lc.call(this,t,n),this.type="HemisphereLight",this.position.copy(Ae.DefaultUp),this.updateMatrix(),this.groundColor=new Ze(e)}function Cc(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new yt(512,512),this.map=null,this.mapPass=null,this.matrix=new ne,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new ri,this._frameExtents=new yt(1,1),this._viewportCount=1,this._viewports=[new St(0,0,1,1)]}function Pc(){Cc.call(this,new Jn(50,1,.5,500)),this.focus=1}function Oc(t,e,n,i,r,a){Lc.call(this,t,e),this.type="SpotLight",this.position.copy(Ae.DefaultUp),this.updateMatrix(),this.target=new Ae,Object.defineProperty(this,"power",{get:function(){return this.intensity*Math.PI},set:function(t){this.intensity=t/Math.PI}}),this.distance=void 0!==n?n:0,this.angle=void 0!==i?i:Math.PI/3,this.penumbra=void 0!==r?r:0,this.decay=void 0!==a?a:1,this.shadow=new Pc}function Ic(){Cc.call(this,new Jn(90,1,.5,500)),this._frameExtents=new yt(4,2),this._viewportCount=6,this._viewports=[new St(2,1,1,1),new St(0,1,1,1),new St(3,1,1,1),new St(1,1,1,1),new St(3,0,1,1),new St(1,0,1,1)],this._cubeDirections=[new Lt(1,0,0),new Lt(-1,0,0),new Lt(0,0,1),new Lt(0,0,-1),new Lt(0,1,0),new Lt(0,-1,0)],this._cubeUps=[new Lt(0,1,0),new Lt(0,1,0),new Lt(0,1,0),new Lt(0,1,0),new Lt(0,0,1),new Lt(0,0,-1)]}function Dc(t,e,n,i){Lc.call(this,t,e),this.type="PointLight",Object.defineProperty(this,"power",{get:function(){return 4*this.intensity*Math.PI},set:function(t){this.intensity=t/(4*Math.PI)}}),this.distance=void 0!==n?n:0,this.decay=void 0!==i?i:1,this.shadow=new Ic}function Nc(t,e,n,i,r,a){void 0===t&&(t=-1),void 0===e&&(e=1),void 0===n&&(n=1),void 0===i&&(i=-1),void 0===r&&(r=.1),void 0===a&&(a=2e3),Zn.call(this),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=a,this.updateProjectionMatrix()}function Bc(){Cc.call(this,new Nc(-5,5,5,-5,.5,500))}function zc(t,e){Lc.call(this,t,e),this.type="DirectionalLight",this.position.copy(Ae.DefaultUp),this.updateMatrix(),this.target=new Ae,this.shadow=new Bc}function Fc(t,e){Lc.call(this,t,e),this.type="AmbientLight"}function Hc(t,e,n,i){Lc.call(this,t,e),this.type="RectAreaLight",this.width=void 0!==n?n:10,this.height=void 0!==i?i:10}Tc.prototype=Object.assign(Object.create(ac.prototype),{constructor:Tc,add:function(t){this.curves.push(t)},closePath:function(){var t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new xc(e,t))},getPoint:function(t){for(var e=t*this.getLength(),n=this.getCurveLengths(),i=0;i<n.length;){if(n[i]>=e){var r=n[i]-e,a=this.curves[i],o=a.getLength(),s=0===o?0:1-r/o;return a.getPointAt(s)}i++}return null},getLength:function(){var t=this.getCurveLengths();return t[t.length-1]},updateArcLengths:function(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()},getCurveLengths:function(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;for(var t=[],e=0,n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t},getSpacedPoints:function(t){void 0===t&&(t=40);for(var e=[],n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e},getPoints:function(t){void 0===t&&(t=12);for(var e,n=[],i=0,r=this.curves;i<r.length;i++)for(var a=r[i],o=a&&a.isEllipseCurve?2*t:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?t*a.points.length:t,s=a.getPoints(o),c=0;c<s.length;c++){var l=s[c];e&&e.equals(l)||(n.push(l),e=l)}return this.autoClose&&n.length>1&&!n[n.length-1].equals(n[0])&&n.push(n[0]),n},copy:function(t){ac.prototype.copy.call(this,t),this.curves=[];for(var e=0,n=t.curves.length;e<n;e++){var i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this},toJSON:function(){var t=ac.prototype.toJSON.call(this);t.autoClose=this.autoClose,t.curves=[];for(var e=0,n=this.curves.length;e<n;e++){var i=this.curves[e];t.curves.push(i.toJSON())}return t},fromJSON:function(t){ac.prototype.fromJSON.call(this,t),this.autoClose=t.autoClose,this.curves=[];for(var e=0,n=t.curves.length;e<n;e++){var i=t.curves[e];this.curves.push((new Sc[i.type]).fromJSON(i))}return this}}),Ec.prototype=Object.assign(Object.create(Tc.prototype),{constructor:Ec,setFromPoints:function(t){this.moveTo(t[0].x,t[0].y);for(var e=1,n=t.length;e<n;e++)this.lineTo(t[e].x,t[e].y);return this},moveTo:function(t,e){return this.currentPoint.set(t,e),this},lineTo:function(t,e){var n=new xc(this.currentPoint.clone(),new yt(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this},quadraticCurveTo:function(t,e,n,i){var r=new bc(this.currentPoint.clone(),new yt(t,e),new yt(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this},bezierCurveTo:function(t,e,n,i,r,a){var o=new gc(this.currentPoint.clone(),new yt(t,e),new yt(n,i),new yt(r,a));return this.curves.push(o),this.currentPoint.set(r,a),this},splineThru:function(t){var e=new Mc([this.currentPoint.clone()].concat(t));return this.curves.push(e),this.currentPoint.copy(t[t.length-1]),this},arc:function(t,e,n,i,r,a){var o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(t+o,e+s,n,i,r,a),this},absarc:function(t,e,n,i,r,a){return this.absellipse(t,e,n,n,i,r,a),this},ellipse:function(t,e,n,i,r,a,o,s){var c=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+c,e+l,n,i,r,a,o,s),this},absellipse:function(t,e,n,i,r,a,o,s){var c=new oc(t,e,n,i,r,a,o,s);if(this.curves.length>0){var l=c.getPoint(0);l.equals(this.currentPoint)||this.lineTo(l.x,l.y)}this.curves.push(c);var u=c.getPoint(1);return this.currentPoint.copy(u),this},copy:function(t){return Tc.prototype.copy.call(this,t),this.currentPoint.copy(t.currentPoint),this},toJSON:function(){var t=Tc.prototype.toJSON.call(this);return t.currentPoint=this.currentPoint.toArray(),t},fromJSON:function(t){return Tc.prototype.fromJSON.call(this,t),this.currentPoint.fromArray(t.currentPoint),this}}),Ac.prototype=Object.assign(Object.create(Ec.prototype),{constructor:Ac,getPointsHoles:function(t){for(var e=[],n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].getPoints(t);return e},extractPoints:function(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}},copy:function(t){Ec.prototype.copy.call(this,t),this.holes=[];for(var e=0,n=t.holes.length;e<n;e++){var i=t.holes[e];this.holes.push(i.clone())}return this},toJSON:function(){var t=Ec.prototype.toJSON.call(this);t.uuid=this.uuid,t.holes=[];for(var e=0,n=this.holes.length;e<n;e++){var i=this.holes[e];t.holes.push(i.toJSON())}return t},fromJSON:function(t){Ec.prototype.fromJSON.call(this,t),this.uuid=t.uuid,this.holes=[];for(var e=0,n=t.holes.length;e<n;e++){var i=t.holes[e];this.holes.push((new Ec).fromJSON(i))}return this}}),Lc.prototype=Object.assign(Object.create(Ae.prototype),{constructor:Lc,isLight:!0,copy:function(t){return Ae.prototype.copy.call(this,t),this.color.copy(t.color),this.intensity=t.intensity,this},toJSON:function(t){var e=Ae.prototype.toJSON.call(this,t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}),Rc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Rc,isHemisphereLight:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.groundColor.copy(t.groundColor),this}}),Object.assign(Cc.prototype,{_projScreenMatrix:new ne,_lightPositionWorld:new Lt,_lookTarget:new Lt,getViewportCount:function(){return this._viewportCount},getFrustum:function(){return this._frustum},updateMatrices:function(t){var e=this.camera,n=this.matrix,i=this._projScreenMatrix,r=this._lookTarget,a=this._lightPositionWorld;a.setFromMatrixPosition(t.matrixWorld),e.position.copy(a),r.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(r),e.updateMatrixWorld(),i.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(i),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(e.projectionMatrix),n.multiply(e.matrixWorldInverse)},getViewport:function(t){return this._viewports[t]},getFrameExtents:function(){return this._frameExtents},copy:function(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this},clone:function(){return(new this.constructor).copy(this)},toJSON:function(){var t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}),Pc.prototype=Object.assign(Object.create(Cc.prototype),{constructor:Pc,isSpotLightShadow:!0,updateMatrices:function(t){var e=this.camera,n=2*gt.RAD2DEG*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),Cc.prototype.updateMatrices.call(this,t)}}),Oc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Oc,isSpotLight:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}),Ic.prototype=Object.assign(Object.create(Cc.prototype),{constructor:Ic,isPointLightShadow:!0,updateMatrices:function(t,e){void 0===e&&(e=0);var n=this.camera,i=this.matrix,r=this._lightPositionWorld,a=this._lookTarget,o=this._projScreenMatrix;r.setFromMatrixPosition(t.matrixWorld),n.position.copy(r),a.copy(n.position),a.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(a),n.updateMatrixWorld(),i.makeTranslation(-r.x,-r.y,-r.z),o.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(o)}}),Dc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Dc,isPointLight:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}),Nc.prototype=Object.assign(Object.create(Zn.prototype),{constructor:Nc,isOrthographicCamera:!0,copy:function(t,e){return Zn.prototype.copy.call(this,t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this},setViewOffset:function(t,e,n,i,r,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2,r=n-t,a=n+t,o=i+e,s=i-e;if(null!==this.view&&this.view.enabled){var c=(this.right-this.left)/this.view.fullWidth/this.zoom,l=(this.top-this.bottom)/this.view.fullHeight/this.zoom;a=(r+=c*this.view.offsetX)+c*this.view.width,s=(o-=l*this.view.offsetY)-l*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()},toJSON:function(t){var e=Ae.prototype.toJSON.call(this,t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}),Bc.prototype=Object.assign(Object.create(Cc.prototype),{constructor:Bc,isDirectionalLightShadow:!0,updateMatrices:function(t){Cc.prototype.updateMatrices.call(this,t)}}),zc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:zc,isDirectionalLight:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}),Fc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Fc,isAmbientLight:!0}),Hc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Hc,isRectAreaLight:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.width=t.width,this.height=t.height,this},toJSON:function(t){var e=Lc.prototype.toJSON.call(this,t);return e.object.width=this.width,e.object.height=this.height,e}});var Gc=function(){function t(){Object.defineProperty(this,"isSphericalHarmonics3",{value:!0}),this.coefficients=[];for(var t=0;t<9;t++)this.coefficients.push(new Lt)}var e=t.prototype;return e.set=function(t){for(var e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this},e.zero=function(){for(var t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this},e.getAt=function(t,e){var n=t.x,i=t.y,r=t.z,a=this.coefficients;return e.copy(a[0]).multiplyScalar(.282095),e.addScaledVector(a[1],.488603*i),e.addScaledVector(a[2],.488603*r),e.addScaledVector(a[3],.488603*n),e.addScaledVector(a[4],n*i*1.092548),e.addScaledVector(a[5],i*r*1.092548),e.addScaledVector(a[6],.315392*(3*r*r-1)),e.addScaledVector(a[7],n*r*1.092548),e.addScaledVector(a[8],.546274*(n*n-i*i)),e},e.getIrradianceAt=function(t,e){var n=t.x,i=t.y,r=t.z,a=this.coefficients;return e.copy(a[0]).multiplyScalar(.886227),e.addScaledVector(a[1],1.023328*i),e.addScaledVector(a[2],1.023328*r),e.addScaledVector(a[3],1.023328*n),e.addScaledVector(a[4],.858086*n*i),e.addScaledVector(a[5],.858086*i*r),e.addScaledVector(a[6],.743125*r*r-.247708),e.addScaledVector(a[7],.858086*n*r),e.addScaledVector(a[8],.429043*(n*n-i*i)),e},e.add=function(t){for(var e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this},e.addScaledSH=function(t,e){for(var n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this},e.scale=function(t){for(var e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this},e.lerp=function(t,e){for(var n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],e);return this},e.equals=function(t){for(var e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0},e.copy=function(t){return this.set(t.coefficients)},e.clone=function(){return(new this.constructor).copy(this)},e.fromArray=function(t,e){void 0===e&&(e=0);for(var n=this.coefficients,i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this},e.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);for(var n=this.coefficients,i=0;i<9;i++)n[i].toArray(t,e+3*i);return t},t.getBasisAt=function(t,e){var n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)},t}();function Uc(t,e){Lc.call(this,void 0,e),this.type="LightProbe",this.sh=void 0!==t?t:new Gc}function kc(t){Js.call(this,t),this.textures={}}Uc.prototype=Object.assign(Object.create(Lc.prototype),{constructor:Uc,isLightProbe:!0,copy:function(t){return Lc.prototype.copy.call(this,t),this.sh.copy(t.sh),this},fromJSON:function(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this},toJSON:function(t){var e=Lc.prototype.toJSON.call(this,t);return e.object.sh=this.sh.toArray(),e}}),kc.prototype=Object.assign(Object.create(Js.prototype),{constructor:kc,load:function(t,e,n,i){var r=this,a=new Ks(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)},parse:function(t){var e=this.textures;function n(t){return void 0===e[t]&&console.warn("THREE.MaterialLoader: Undefined texture",t),e[t]}var i=new Ps[t.type];if(void 0!==t.uuid&&(i.uuid=t.uuid),void 0!==t.name&&(i.name=t.name),void 0!==t.color&&void 0!==i.color&&i.color.setHex(t.color),void 0!==t.roughness&&(i.roughness=t.roughness),void 0!==t.metalness&&(i.metalness=t.metalness),void 0!==t.sheen&&(i.sheen=(new Ze).setHex(t.sheen)),void 0!==t.emissive&&void 0!==i.emissive&&i.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==i.specular&&i.specular.setHex(t.specular),void 0!==t.shininess&&(i.shininess=t.shininess),void 0!==t.clearcoat&&(i.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(i.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.fog&&(i.fog=t.fog),void 0!==t.flatShading&&(i.flatShading=t.flatShading),void 0!==t.blending&&(i.blending=t.blending),void 0!==t.combine&&(i.combine=t.combine),void 0!==t.side&&(i.side=t.side),void 0!==t.opacity&&(i.opacity=t.opacity),void 0!==t.transparent&&(i.transparent=t.transparent),void 0!==t.alphaTest&&(i.alphaTest=t.alphaTest),void 0!==t.depthTest&&(i.depthTest=t.depthTest),void 0!==t.depthWrite&&(i.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(i.colorWrite=t.colorWrite),void 0!==t.stencilWrite&&(i.stencilWrite=t.stencilWrite),void 0!==t.stencilWriteMask&&(i.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(i.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(i.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(i.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(i.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(i.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(i.stencilZPass=t.stencilZPass),void 0!==t.wireframe&&(i.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(i.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(i.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(i.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(i.rotation=t.rotation),1!==t.linewidth&&(i.linewidth=t.linewidth),void 0!==t.dashSize&&(i.dashSize=t.dashSize),void 0!==t.gapSize&&(i.gapSize=t.gapSize),void 0!==t.scale&&(i.scale=t.scale),void 0!==t.polygonOffset&&(i.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(i.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(i.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.skinning&&(i.skinning=t.skinning),void 0!==t.morphTargets&&(i.morphTargets=t.morphTargets),void 0!==t.morphNormals&&(i.morphNormals=t.morphNormals),void 0!==t.dithering&&(i.dithering=t.dithering),void 0!==t.vertexTangents&&(i.vertexTangents=t.vertexTangents),void 0!==t.visible&&(i.visible=t.visible),void 0!==t.toneMapped&&(i.toneMapped=t.toneMapped),void 0!==t.userData&&(i.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?i.vertexColors=t.vertexColors>0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(var r in t.uniforms){var a=t.uniforms[r];switch(i.uniforms[r]={},a.type){case"t":i.uniforms[r].value=n(a.value);break;case"c":i.uniforms[r].value=(new Ze).setHex(a.value);break;case"v2":i.uniforms[r].value=(new yt).fromArray(a.value);break;case"v3":i.uniforms[r].value=(new Lt).fromArray(a.value);break;case"v4":i.uniforms[r].value=(new St).fromArray(a.value);break;case"m3":i.uniforms[r].value=(new xt).fromArray(a.value);break;case"m4":i.uniforms[r].value=(new ne).fromArray(a.value);break;default:i.uniforms[r].value=a.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.extensions)for(var o in t.extensions)i.extensions[o]=t.extensions[o];if(void 0!==t.shading&&(i.flatShading=1===t.shading),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){var s=t.normalScale;!1===Array.isArray(s)&&(s=[s,s]),i.normalScale=(new yt).fromArray(s)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new yt).fromArray(t.clearcoatNormalScale)),void 0!==t.transmission&&(i.transmission=t.transmission),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),i},setTextures:function(t){return this.textures=t,this}});var Vc={decodeText:function(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);for(var e="",n=0,i=t.length;n<i;n++)e+=String.fromCharCode(t[n]);try{return decodeURIComponent(escape(e))}catch(t){return e}},extractUrlBase:function(t){var e=t.lastIndexOf("/");return-1===e?"./":t.substr(0,e+1)}};function Wc(){Sn.call(this),this.type="InstancedBufferGeometry",this.instanceCount=1/0}function jc(t,e,n,i){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),nn.call(this,t,e,n),this.meshPerAttribute=i||1}function qc(t){Js.call(this,t)}Wc.prototype=Object.assign(Object.create(Sn.prototype),{constructor:Wc,isInstancedBufferGeometry:!0,copy:function(t){return Sn.prototype.copy.call(this,t),this.instanceCount=t.instanceCount,this},clone:function(){return(new this.constructor).copy(this)},toJSON:function(){var t=Sn.prototype.toJSON.call(this);return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}),jc.prototype=Object.assign(Object.create(nn.prototype),{constructor:jc,isInstancedBufferAttribute:!0,copy:function(t){return nn.prototype.copy.call(this,t),this.meshPerAttribute=t.meshPerAttribute,this},toJSON:function(){var t=nn.prototype.toJSON.call(this);return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}),qc.prototype=Object.assign(Object.create(Js.prototype),{constructor:qc,load:function(t,e,n,i){var r=this,a=new Ks(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)},parse:function(t){var e={},n={};function i(t,i){if(void 0!==e[i])return e[i];var r=t.interleavedBuffers[i],a=function(t,e){if(void 0!==n[e])return n[e];var i=t.arrayBuffers[e],r=new Uint32Array(i).buffer;return n[e]=r,r}(t,r.buffer),o=new ma(vn(r.type,a),r.stride);return o.uuid=r.uuid,e[i]=o,o}var r=t.isInstancedBufferGeometry?new Wc:new Sn,a=t.data.index;if(void 0!==a){var o=vn(a.type,a.array);r.setIndex(new nn(o,1))}var s=t.data.attributes;for(var c in s){var l=s[c],u=void 0;if(l.isInterleavedBufferAttribute){u=new ya(i(t.data,l.data),l.itemSize,l.offset,l.normalized)}else{var h=vn(l.type,l.array);u=new(l.isInstancedBufferAttribute?jc:nn)(h,l.itemSize,l.normalized)}void 0!==l.name&&(u.name=l.name),r.setAttribute(c,u)}var d=t.data.morphAttributes;if(d)for(var p in d){for(var f=d[p],m=[],v=0,g=f.length;v<g;v++){var y=f[v],x=void 0;if(y.isInterleavedBufferAttribute)x=new ya(i(t.data,y.data),y.itemSize,y.offset,y.normalized);else x=new nn(vn(y.type,y.array),y.itemSize,y.normalized);void 0!==y.name&&(x.name=y.name),m.push(x)}r.morphAttributes[p]=m}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);var _=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==_)for(var b=0,w=_.length;b!==w;++b){var M=_[b];r.addGroup(M.start,M.count,M.materialIndex)}var S=t.data.boundingSphere;if(void 0!==S){var T=new Lt;void 0!==S.center&&T.fromArray(S.center),r.boundingSphere=new Xt(T,S.radius)}return t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}});var Xc=function(t){function e(e){return t.call(this,e)||this}ct(e,t);var n=e.prototype;return n.load=function(t,e,n,i){var r=this,a=""===this.path?Vc.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||a;var o=new Ks(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(t,(function(n){var a=null;try{a=JSON.parse(n)}catch(e){return void 0!==i&&i(e),void console.error("THREE:ObjectLoader: Can't parse "+t+".",e.message)}var o=a.metadata;void 0!==o&&void 0!==o.type&&"geometry"!==o.type.toLowerCase()?r.parse(a,e):console.error("THREE.ObjectLoader: Can't load "+t)}),n,i)},n.parse=function(t,e){var n=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,i),a=this.parseImages(t.images,(function(){void 0!==e&&e(c)})),o=this.parseTextures(t.textures,a),s=this.parseMaterials(t.materials,o),c=this.parseObject(t.object,r,s,n),l=this.parseSkeletons(t.skeletons,c);if(this.bindSkeletons(c,l),void 0!==e){var u=!1;for(var h in a)if(a[h]instanceof HTMLImageElement){u=!0;break}!1===u&&e(c)}return c},n.parseShapes=function(t){var e={};if(void 0!==t)for(var n=0,i=t.length;n<i;n++){var r=(new Ac).fromJSON(t[n]);e[r.uuid]=r}return e},n.parseSkeletons=function(t,e){var n={},i={};if(e.traverse((function(t){t.isBone&&(i[t.uuid]=t)})),void 0!==t)for(var r=0,a=t.length;r<a;r++){var o=(new qa).fromJSON(t[r],i);n[o.uuid]=o}return n},n.parseGeometries=function(t,e){var n,i={};if(void 0!==t)for(var r=new qc,a=0,o=t.length;a<o;a++){var s=void 0,c=t[a];switch(c.type){case"PlaneGeometry":case"PlaneBufferGeometry":s=new _s[c.type](c.width,c.height,c.widthSegments,c.heightSegments);break;case"BoxGeometry":case"BoxBufferGeometry":s=new _s[c.type](c.width,c.height,c.depth,c.widthSegments,c.heightSegments,c.depthSegments);break;case"CircleGeometry":case"CircleBufferGeometry":s=new _s[c.type](c.radius,c.segments,c.thetaStart,c.thetaLength);break;case"CylinderGeometry":case"CylinderBufferGeometry":s=new _s[c.type](c.radiusTop,c.radiusBottom,c.height,c.radialSegments,c.heightSegments,c.openEnded,c.thetaStart,c.thetaLength);break;case"ConeGeometry":case"ConeBufferGeometry":s=new _s[c.type](c.radius,c.height,c.radialSegments,c.heightSegments,c.openEnded,c.thetaStart,c.thetaLength);break;case"SphereGeometry":case"SphereBufferGeometry":s=new _s[c.type](c.radius,c.widthSegments,c.heightSegments,c.phiStart,c.phiLength,c.thetaStart,c.thetaLength);break;case"DodecahedronGeometry":case"DodecahedronBufferGeometry":case"IcosahedronGeometry":case"IcosahedronBufferGeometry":case"OctahedronGeometry":case"OctahedronBufferGeometry":case"TetrahedronGeometry":case"TetrahedronBufferGeometry":s=new _s[c.type](c.radius,c.detail);break;case"RingGeometry":case"RingBufferGeometry":s=new _s[c.type](c.innerRadius,c.outerRadius,c.thetaSegments,c.phiSegments,c.thetaStart,c.thetaLength);break;case"TorusGeometry":case"TorusBufferGeometry":s=new _s[c.type](c.radius,c.tube,c.radialSegments,c.tubularSegments,c.arc);break;case"TorusKnotGeometry":case"TorusKnotBufferGeometry":s=new _s[c.type](c.radius,c.tube,c.tubularSegments,c.radialSegments,c.p,c.q);break;case"TubeGeometry":case"TubeBufferGeometry":s=new _s[c.type]((new Sc[c.path.type]).fromJSON(c.path),c.tubularSegments,c.radius,c.radialSegments,c.closed);break;case"LatheGeometry":case"LatheBufferGeometry":s=new _s[c.type](c.points,c.segments,c.phiStart,c.phiLength);break;case"PolyhedronGeometry":case"PolyhedronBufferGeometry":s=new _s[c.type](c.vertices,c.indices,c.radius,c.details);break;case"ShapeGeometry":case"ShapeBufferGeometry":n=[];for(var l=0,u=c.shapes.length;l<u;l++){var h=e[c.shapes[l]];n.push(h)}s=new _s[c.type](n,c.curveSegments);break;case"ExtrudeGeometry":case"ExtrudeBufferGeometry":n=[];for(var d=0,p=c.shapes.length;d<p;d++){var f=e[c.shapes[d]];n.push(f)}var m=c.options.extrudePath;void 0!==m&&(c.options.extrudePath=(new Sc[m.type]).fromJSON(m)),s=new _s[c.type](n,c.options);break;case"BufferGeometry":case"InstancedBufferGeometry":s=r.parse(c);break;case"Geometry":console.error('THREE.ObjectLoader: Loading "Geometry" is not supported anymore.');break;default:console.warn('THREE.ObjectLoader: Unsupported geometry type "'+c.type+'"');continue}s.uuid=c.uuid,void 0!==c.name&&(s.name=c.name),!0===s.isBufferGeometry&&void 0!==c.userData&&(s.userData=c.userData),i[c.uuid]=s}return i},n.parseMaterials=function(t,e){var n={},i={};if(void 0!==t){var r=new kc;r.setTextures(e);for(var a=0,o=t.length;a<o;a++){var s=t[a];if("MultiMaterial"===s.type){for(var c=[],l=0;l<s.materials.length;l++){var u=s.materials[l];void 0===n[u.uuid]&&(n[u.uuid]=r.parse(u)),c.push(n[u.uuid])}i[s.uuid]=c}else void 0===n[s.uuid]&&(n[s.uuid]=r.parse(s)),i[s.uuid]=n[s.uuid]}}return i},n.parseAnimations=function(t){var e={};if(void 0!==t)for(var n=0;n<t.length;n++){var i=t[n],r=js.parse(i);e[r.uuid]=r}return e},n.parseImages=function(t,e){var n,i=this,r={};function a(t){if("string"==typeof t){var e=t;return function(t){return i.manager.itemStart(t),n.load(t,(function(){i.manager.itemEnd(t)}),void 0,(function(){i.manager.itemError(t),i.manager.itemEnd(t)}))}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:vn(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){var o=new Ys(e);(n=new ec(o)).setCrossOrigin(this.crossOrigin);for(var s=0,c=t.length;s<c;s++){var l=t[s],u=l.url;if(Array.isArray(u)){r[l.uuid]=[];for(var h=0,d=u.length;h<d;h++){var p=a(u[h]);null!==p&&(p instanceof HTMLImageElement?r[l.uuid].push(p):r[l.uuid].push(new ei(p.data,p.width,p.height)))}}else{var f=a(l.url);null!==f&&(r[l.uuid]=f)}}}return r},n.parseTextures=function(t,e){function n(t,e){return"number"==typeof t?t:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}var i={};if(void 0!==t)for(var r=0,a=t.length;r<a;r++){var o=t[r];void 0===o.image&&console.warn('THREE.ObjectLoader: No "image" specified for',o.uuid),void 0===e[o.image]&&console.warn("THREE.ObjectLoader: Undefined image",o.image);var s=void 0,c=e[o.image];Array.isArray(c)?(s=new $n(c),6===c.length&&(s.needsUpdate=!0)):(s=c&&c.data?new ei(c.data,c.width,c.height):new wt(c),c&&(s.needsUpdate=!0)),s.uuid=o.uuid,void 0!==o.name&&(s.name=o.name),void 0!==o.mapping&&(s.mapping=n(o.mapping,Yc)),void 0!==o.offset&&s.offset.fromArray(o.offset),void 0!==o.repeat&&s.repeat.fromArray(o.repeat),void 0!==o.center&&s.center.fromArray(o.center),void 0!==o.rotation&&(s.rotation=o.rotation),void 0!==o.wrap&&(s.wrapS=n(o.wrap[0],Zc),s.wrapT=n(o.wrap[1],Zc)),void 0!==o.format&&(s.format=o.format),void 0!==o.type&&(s.type=o.type),void 0!==o.encoding&&(s.encoding=o.encoding),void 0!==o.minFilter&&(s.minFilter=n(o.minFilter,Jc)),void 0!==o.magFilter&&(s.magFilter=n(o.magFilter,Jc)),void 0!==o.anisotropy&&(s.anisotropy=o.anisotropy),void 0!==o.flipY&&(s.flipY=o.flipY),void 0!==o.premultiplyAlpha&&(s.premultiplyAlpha=o.premultiplyAlpha),void 0!==o.unpackAlignment&&(s.unpackAlignment=o.unpackAlignment),i[o.uuid]=s}return i},n.parseObject=function(t,e,n,i){var r,a,o;function s(t){return void 0===e[t]&&console.warn("THREE.ObjectLoader: Undefined geometry",t),e[t]}function c(t){if(void 0!==t){if(Array.isArray(t)){for(var e=[],i=0,r=t.length;i<r;i++){var a=t[i];void 0===n[a]&&console.warn("THREE.ObjectLoader: Undefined material",a),e.push(n[a])}return e}return void 0===n[t]&&console.warn("THREE.ObjectLoader: Undefined material",t),n[t]}}switch(t.type){case"Scene":r=new fa,void 0!==t.background&&Number.isInteger(t.background)&&(r.background=new Ze(t.background)),void 0!==t.fog&&("Fog"===t.fog.type?r.fog=new pa(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(r.fog=new da(t.fog.color,t.fog.density)));break;case"PerspectiveCamera":r=new Jn(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(r.focus=t.focus),void 0!==t.zoom&&(r.zoom=t.zoom),void 0!==t.filmGauge&&(r.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(r.filmOffset=t.filmOffset),void 0!==t.view&&(r.view=Object.assign({},t.view));break;case"OrthographicCamera":r=new Nc(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(r.zoom=t.zoom),void 0!==t.view&&(r.view=Object.assign({},t.view));break;case"AmbientLight":r=new Fc(t.color,t.intensity);break;case"DirectionalLight":r=new zc(t.color,t.intensity);break;case"PointLight":r=new Dc(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":r=new Hc(t.color,t.intensity,t.width,t.height);break;case"SpotLight":r=new Oc(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay);break;case"HemisphereLight":r=new Rc(t.color,t.groundColor,t.intensity);break;case"LightProbe":r=(new Uc).fromJSON(t);break;case"SkinnedMesh":r=new ka(a=s(t.geometry),o=c(t.material)),void 0!==t.bindMode&&(r.bindMode=t.bindMode),void 0!==t.bindMatrix&&r.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(r.skeleton=t.skeleton);break;case"Mesh":r=new kn(a=s(t.geometry),o=c(t.material));break;case"InstancedMesh":a=s(t.geometry),o=c(t.material);var l=t.count,u=t.instanceMatrix;(r=new Qa(a,o,l)).instanceMatrix=new nn(new Float32Array(u.array),16);break;case"LOD":r=new Ba;break;case"Line":r=new ro(s(t.geometry),c(t.material));break;case"LineLoop":r=new co(s(t.geometry),c(t.material));break;case"LineSegments":r=new so(s(t.geometry),c(t.material));break;case"PointCloud":case"Points":r=new mo(s(t.geometry),c(t.material));break;case"Sprite":r=new Oa(c(t.material));break;case"Group":r=new oa;break;case"Bone":r=new Va;break;default:r=new Ae}if(r.uuid=t.uuid,void 0!==t.name&&(r.name=t.name),void 0!==t.matrix?(r.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(r.matrixAutoUpdate=t.matrixAutoUpdate),r.matrixAutoUpdate&&r.matrix.decompose(r.position,r.quaternion,r.scale)):(void 0!==t.position&&r.position.fromArray(t.position),void 0!==t.rotation&&r.rotation.fromArray(t.rotation),void 0!==t.quaternion&&r.quaternion.fromArray(t.quaternion),void 0!==t.scale&&r.scale.fromArray(t.scale)),void 0!==t.castShadow&&(r.castShadow=t.castShadow),void 0!==t.receiveShadow&&(r.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.bias&&(r.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(r.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(r.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&r.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(r.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(r.visible=t.visible),void 0!==t.frustumCulled&&(r.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(r.renderOrder=t.renderOrder),void 0!==t.userData&&(r.userData=t.userData),void 0!==t.layers&&(r.layers.mask=t.layers),void 0!==t.children)for(var h=t.children,d=0;d<h.length;d++)r.add(this.parseObject(h[d],e,n,i));if(void 0!==t.animations)for(var p=t.animations,f=0;f<p.length;f++){var m=p[f];r.animations.push(i[m])}if("LOD"===t.type){void 0!==t.autoUpdate&&(r.autoUpdate=t.autoUpdate);for(var v=t.levels,g=0;g<v.length;g++){var y=v[g],x=r.getObjectByProperty("uuid",y.object);void 0!==x&&r.addLevel(x,y.distance)}}return r},n.bindSkeletons=function(t,e){0!==Object.keys(e).length&&t.traverse((function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){var n=e[t.skeleton];void 0===n?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(n,t.bindMatrix)}}))},n.setTexturePath=function(t){return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),this.setResourcePath(t)},e}(Js),Yc={UVMapping:r,CubeReflectionMapping:a,CubeRefractionMapping:o,EquirectangularReflectionMapping:s,EquirectangularRefractionMapping:c,CubeUVReflectionMapping:l,CubeUVRefractionMapping:u},Zc={RepeatWrapping:h,ClampToEdgeWrapping:d,MirroredRepeatWrapping:p},Jc={NearestFilter:f,NearestMipmapNearestFilter:m,NearestMipmapLinearFilter:v,LinearFilter:g,LinearMipmapNearestFilter:y,LinearMipmapLinearFilter:x};function Qc(t){"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),Js.call(this,t),this.options={premultiplyAlpha:"none"}}function Kc(){this.type="ShapePath",this.color=new Ze,this.subPaths=[],this.currentPath=null}Qc.prototype=Object.assign(Object.create(Js.prototype),{constructor:Qc,isImageBitmapLoader:!0,setOptions:function(t){return this.options=t,this},load:function(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);var r=this,a=Xs.get(t);if(void 0!==a)return r.manager.itemStart(t),setTimeout((function(){e&&e(a),r.manager.itemEnd(t)}),0),a;var o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",fetch(t,o).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,r.options)})).then((function(n){Xs.add(t,n),e&&e(n),r.manager.itemEnd(t)})).catch((function(e){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}}),Object.assign(Kc.prototype,{moveTo:function(t,e){return this.currentPath=new Ec,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this},lineTo:function(t,e){return this.currentPath.lineTo(t,e),this},quadraticCurveTo:function(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this},bezierCurveTo:function(t,e,n,i,r,a){return this.currentPath.bezierCurveTo(t,e,n,i,r,a),this},splineThru:function(t){return this.currentPath.splineThru(t),this},toShapes:function(t,e){function n(t){for(var e=[],n=0,i=t.length;n<i;n++){var r=t[n],a=new Ac;a.curves=r.curves,e.push(a)}return e}function i(t,e){for(var n=e.length,i=!1,r=n-1,a=0;a<n;r=a++){var o=e[r],s=e[a],c=s.x-o.x,l=s.y-o.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(o=e[a],c=-c,s=e[r],l=-l),t.y<o.y||t.y>s.y)continue;if(t.y===o.y){if(t.x===o.x)return!0}else{var u=l*(t.x-o.x)-c*(t.y-o.y);if(0===u)return!0;if(u<0)continue;i=!i}}else{if(t.y!==o.y)continue;if(s.x<=t.x&&t.x<=o.x||o.x<=t.x&&t.x<=s.x)return!0}}return i}var r,a,o,s=ns.isClockWise,c=this.subPaths;if(0===c.length)return[];if(!0===e)return n(c);var l=[];if(1===c.length)return a=c[0],(o=new Ac).curves=a.curves,l.push(o),l;var u=!s(c[0].getPoints());u=t?!u:u;var h,d,p=[],f=[],m=[],v=0;f[v]=void 0,m[v]=[];for(var g=0,y=c.length;g<y;g++)r=s(h=(a=c[g]).getPoints()),(r=t?!r:r)?(!u&&f[v]&&v++,f[v]={s:new Ac,p:h},f[v].s.curves=a.curves,u&&v++,m[v]=[]):m[v].push({h:a,p:h[0]});if(!f[0])return n(c);if(f.length>1){for(var x=!1,_=[],b=0,w=f.length;b<w;b++)p[b]=[];for(var M=0,S=f.length;M<S;M++)for(var T=m[M],E=0;E<T.length;E++){for(var A=T[E],L=!0,R=0;R<f.length;R++)i(A.p,f[R].p)&&(M!==R&&_.push({froms:M,tos:R,hole:E}),L?(L=!1,p[R].push(A)):x=!0);L&&p[M].push(A)}_.length>0&&(x||(m=p))}for(var C=0,P=f.length;C<P;C++){o=f[C].s,l.push(o);for(var O=0,I=(d=m[C]).length;O<I;O++)o.holes.push(d[O].h)}return l}});var $c,tl=function(){function t(t){Object.defineProperty(this,"isFont",{value:!0}),this.type="Font",this.data=t}return t.prototype.generateShapes=function(t,e){void 0===e&&(e=100);for(var n=[],i=function(t,e,n){for(var i=Array.from?Array.from(t):String(t).split(""),r=e/n.resolution,a=(n.boundingBox.yMax-n.boundingBox.yMin+n.underlineThickness)*r,o=[],s=0,c=0,l=0;l<i.length;l++){var u=i[l];if("\n"===u)s=0,c-=a;else{var h=el(u,r,s,c,n);s+=h.offsetX,o.push(h.path)}}return o}(t,e,this.data),r=0,a=i.length;r<a;r++)Array.prototype.push.apply(n,i[r].toShapes());return n},t}();function el(t,e,n,i,r){var a=r.glyphs[t]||r.glyphs["?"];if(a){var o,s,c,l,u,h,d,p,f=new Kc;if(a.o)for(var m=a._cachedOutline||(a._cachedOutline=a.o.split(" ")),v=0,g=m.length;v<g;){switch(m[v++]){case"m":o=m[v++]*e+n,s=m[v++]*e+i,f.moveTo(o,s);break;case"l":o=m[v++]*e+n,s=m[v++]*e+i,f.lineTo(o,s);break;case"q":c=m[v++]*e+n,l=m[v++]*e+i,u=m[v++]*e+n,h=m[v++]*e+i,f.quadraticCurveTo(u,h,c,l);break;case"b":c=m[v++]*e+n,l=m[v++]*e+i,u=m[v++]*e+n,h=m[v++]*e+i,d=m[v++]*e+n,p=m[v++]*e+i,f.bezierCurveTo(u,h,d,p,c,l)}}return{offsetX:a.ha*e,path:f}}console.error('THREE.Font: character "'+t+'" does not exists in font family '+r.familyName+".")}function nl(t){Js.call(this,t)}nl.prototype=Object.assign(Object.create(Js.prototype),{constructor:nl,load:function(t,e,n,i){var r=this,a=new Ks(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){var n;try{n=JSON.parse(t)}catch(e){console.warn("THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead."),n=JSON.parse(t.substring(65,t.length-2))}var i=r.parse(n);e&&e(i)}),n,i)},parse:function(t){return new tl(t)}});var il={getContext:function(){return void 0===$c&&($c=new(window.AudioContext||window.webkitAudioContext)),$c},setContext:function(t){$c=t}};function rl(t){Js.call(this,t)}function al(t,e,n){Uc.call(this,void 0,n);var i=(new Ze).set(t),r=(new Ze).set(e),a=new Lt(i.r,i.g,i.b),o=new Lt(r.r,r.g,r.b),s=Math.sqrt(Math.PI),c=s*Math.sqrt(.75);this.sh.coefficients[0].copy(a).add(o).multiplyScalar(s),this.sh.coefficients[1].copy(a).sub(o).multiplyScalar(c)}function ol(t,e){Uc.call(this,void 0,e);var n=(new Ze).set(t);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}rl.prototype=Object.assign(Object.create(Js.prototype),{constructor:rl,load:function(t,e,n,i){var r=this,a=new Ks(r.manager);a.setResponseType("arraybuffer"),a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(t,(function(n){try{var a=n.slice(0);il.getContext().decodeAudioData(a,(function(t){e(t)}))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}}),al.prototype=Object.assign(Object.create(Uc.prototype),{constructor:al,isHemisphereLightProbe:!0,copy:function(t){return Uc.prototype.copy.call(this,t),this},toJSON:function(t){return Uc.prototype.toJSON.call(this,t)}}),ol.prototype=Object.assign(Object.create(Uc.prototype),{constructor:ol,isAmbientLightProbe:!0,copy:function(t){return Uc.prototype.copy.call(this,t),this},toJSON:function(t){return Uc.prototype.toJSON.call(this,t)}});var sl=new ne,cl=new ne;function ll(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Jn,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Jn,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}Object.assign(ll.prototype,{update:function(t){var e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep;var n,i,r=t.projectionMatrix.clone(),a=e.eyeSep/2,o=a*e.near/e.focus,s=e.near*Math.tan(gt.DEG2RAD*e.fov*.5)/e.zoom;cl.elements[12]=-a,sl.elements[12]=a,n=-s*e.aspect+o,i=s*e.aspect+o,r.elements[0]=2*e.near/(i-n),r.elements[8]=(i+n)/(i-n),this.cameraL.projectionMatrix.copy(r),n=-s*e.aspect-o,i=s*e.aspect-o,r.elements[0]=2*e.near/(i-n),r.elements[8]=(i+n)/(i-n),this.cameraR.projectionMatrix.copy(r)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(cl),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(sl)}});var ul=function(){function t(t){this.autoStart=void 0===t||t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}var e=t.prototype;return e.start=function(){this.startTime=hl(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0},e.stop=function(){this.getElapsedTime(),this.running=!1,this.autoStart=!1},e.getElapsedTime=function(){return this.getDelta(),this.elapsedTime},e.getDelta=function(){var t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){var e=hl();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t},t}();function hl(){return("undefined"==typeof performance?Date:performance).now()}var dl=new Lt,pl=new At,fl=new Lt,ml=new Lt,vl=function(t){function e(){var e;return(e=t.call(this)||this).type="AudioListener",e.context=il.getContext(),e.gain=e.context.createGain(),e.gain.connect(e.context.destination),e.filter=null,e.timeDelta=0,e._clock=new ul,e}ct(e,t);var n=e.prototype;return n.getInput=function(){return this.gain},n.removeFilter=function(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this},n.getFilter=function(){return this.filter},n.setFilter=function(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this},n.getMasterVolume=function(){return this.gain.gain.value},n.setMasterVolume=function(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this},n.updateMatrixWorld=function(e){t.prototype.updateMatrixWorld.call(this,e);var n=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(dl,pl,fl),ml.set(0,0,-1).applyQuaternion(pl),n.positionX){var r=this.context.currentTime+this.timeDelta;n.positionX.linearRampToValueAtTime(dl.x,r),n.positionY.linearRampToValueAtTime(dl.y,r),n.positionZ.linearRampToValueAtTime(dl.z,r),n.forwardX.linearRampToValueAtTime(ml.x,r),n.forwardY.linearRampToValueAtTime(ml.y,r),n.forwardZ.linearRampToValueAtTime(ml.z,r),n.upX.linearRampToValueAtTime(i.x,r),n.upY.linearRampToValueAtTime(i.y,r),n.upZ.linearRampToValueAtTime(i.z,r)}else n.setPosition(dl.x,dl.y,dl.z),n.setOrientation(ml.x,ml.y,ml.z,i.x,i.y,i.z)},e}(Ae),gl=function(t){function e(e){var n;return(n=t.call(this)||this).type="Audio",n.listener=e,n.context=e.context,n.gain=n.context.createGain(),n.gain.connect(e.getInput()),n.autoplay=!1,n.buffer=null,n.detune=0,n.loop=!1,n.loopStart=0,n.loopEnd=0,n.offset=0,n.duration=void 0,n.playbackRate=1,n.isPlaying=!1,n.hasPlaybackControl=!0,n.source=null,n.sourceType="empty",n._startedAt=0,n._progress=0,n._connected=!1,n.filters=[],n}ct(e,t);var n=e.prototype;return n.getOutput=function(){return this.gain},n.setNodeSource=function(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this},n.setMediaElementSource=function(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this},n.setMediaStreamSource=function(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this},n.setBuffer=function(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this},n.play=function(t){if(void 0===t&&(t=0),!0!==this.isPlaying){if(!1!==this.hasPlaybackControl){this._startedAt=this.context.currentTime+t;var e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}console.warn("THREE.Audio: this Audio has no playback control.")}else console.warn("THREE.Audio: Audio is already playing.")},n.pause=function(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")},n.stop=function(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")},n.connect=function(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(var t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this},n.disconnect=function(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(var t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this},n.getFilters=function(){return this.filters},n.setFilters=function(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this},n.setDetune=function(t){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this},n.getDetune=function(){return this.detune},n.getFilter=function(){return this.getFilters()[0]},n.setFilter=function(t){return this.setFilters(t?[t]:[])},n.setPlaybackRate=function(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")},n.getPlaybackRate=function(){return this.playbackRate},n.onEnded=function(){this.isPlaying=!1},n.getLoop=function(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop},n.setLoop=function(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")},n.setLoopStart=function(t){return this.loopStart=t,this},n.setLoopEnd=function(t){return this.loopEnd=t,this},n.getVolume=function(){return this.gain.gain.value},n.setVolume=function(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this},e}(Ae),yl=new Lt,xl=new At,_l=new Lt,bl=new Lt,wl=function(t){function e(e){var n;return(n=t.call(this,e)||this).panner=n.context.createPanner(),n.panner.panningModel="HRTF",n.panner.connect(n.gain),n}ct(e,t);var n=e.prototype;return n.getOutput=function(){return this.panner},n.getRefDistance=function(){return this.panner.refDistance},n.setRefDistance=function(t){return this.panner.refDistance=t,this},n.getRolloffFactor=function(){return this.panner.rolloffFactor},n.setRolloffFactor=function(t){return this.panner.rolloffFactor=t,this},n.getDistanceModel=function(){return this.panner.distanceModel},n.setDistanceModel=function(t){return this.panner.distanceModel=t,this},n.getMaxDistance=function(){return this.panner.maxDistance},n.setMaxDistance=function(t){return this.panner.maxDistance=t,this},n.setDirectionalCone=function(t,e,n){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=n,this},n.updateMatrixWorld=function(e){if(t.prototype.updateMatrixWorld.call(this,e),!0!==this.hasPlaybackControl||!1!==this.isPlaying){this.matrixWorld.decompose(yl,xl,_l),bl.set(0,0,1).applyQuaternion(xl);var n=this.panner;if(n.positionX){var i=this.context.currentTime+this.listener.timeDelta;n.positionX.linearRampToValueAtTime(yl.x,i),n.positionY.linearRampToValueAtTime(yl.y,i),n.positionZ.linearRampToValueAtTime(yl.z,i),n.orientationX.linearRampToValueAtTime(bl.x,i),n.orientationY.linearRampToValueAtTime(bl.y,i),n.orientationZ.linearRampToValueAtTime(bl.z,i)}else n.setPosition(yl.x,yl.y,yl.z),n.setOrientation(bl.x,bl.y,bl.z)}},e}(gl),Ml=function(){function t(t,e){void 0===e&&(e=2048),this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}var e=t.prototype;return e.getFrequencyData=function(){return this.analyser.getByteFrequencyData(this.data),this.data},e.getAverageFrequency=function(){for(var t=0,e=this.getFrequencyData(),n=0;n<e.length;n++)t+=e[n];return t/e.length},t}();function Sl(t,e,n){var i,r,a;switch(this.binding=t,this.valueSize=n,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}Object.assign(Sl.prototype,{accumulate:function(t,e){var n=this.buffer,i=this.valueSize,r=t*i+i,a=this.cumulativeWeight;if(0===a){for(var o=0;o!==i;++o)n[r+o]=n[o];a=e}else{var s=e/(a+=e);this._mixBufferRegion(n,r,0,s,i)}this.cumulativeWeight=a},accumulateAdditive:function(t){var e=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,n),this.cumulativeWeightAdditive+=t},apply:function(t){var e=this.valueSize,n=this.buffer,i=t*e+e,r=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){var s=e*this._origIndex;this._mixBufferRegion(n,i,s,1-r,e)}a>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(var c=e,l=e+e;c!==l;++c)if(n[c]!==n[c+e]){o.setValue(n,i);break}},saveOriginalState:function(){var t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(var r=n,a=i;r!==a;++r)e[r]=e[i+r%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0},restoreOriginalState:function(){var t=3*this.valueSize;this.binding.setValue(this.buffer,t)},_setAdditiveIdentityNumeric:function(){for(var t=this._addIndex*this.valueSize,e=t+this.valueSize,n=t;n<e;n++)this.buffer[n]=0},_setAdditiveIdentityQuaternion:function(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1},_setAdditiveIdentityOther:function(){for(var t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize,n=0;n<this.valueSize;n++)this.buffer[e+n]=this.buffer[t+n]},_select:function(t,e,n,i,r){if(i>=.5)for(var a=0;a!==r;++a)t[e+a]=t[n+a]},_slerp:function(t,e,n,i){At.slerpFlat(t,e,t,e,t,n,i)},_slerpAdditive:function(t,e,n,i,r){var a=this._workIndex*r;At.multiplyQuaternionsFlat(t,a,t,e,t,n),At.slerpFlat(t,e,t,e,t,a,i)},_lerp:function(t,e,n,i,r){for(var a=1-i,o=0;o!==r;++o){var s=e+o;t[s]=t[s]*a+t[n+o]*i}},_lerpAdditive:function(t,e,n,i,r){for(var a=0;a!==r;++a){var o=e+a;t[o]=t[o]+t[n+a]*i}}});var Tl="\\[\\]\\.:\\/",El=new RegExp("[\\[\\]\\.:\\/]","g"),Al="[^\\[\\]\\.:\\/]",Ll="[^"+Tl.replace("\\.","")+"]",Rl=/((?:WC+[\/:])*)/.source.replace("WC",Al),Cl=/(WCOD+)?/.source.replace("WCOD",Ll),Pl=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Al),Ol=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Al),Il=new RegExp("^"+Rl+Cl+Pl+Ol+"$"),Dl=["material","materials","bones"];function Nl(t,e,n){var i=n||Bl.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}function Bl(t,e,n){this.path=e,this.parsedPath=n||Bl.parseTrackName(e),this.node=Bl.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t}function zl(){this.uuid=gt.generateUUID(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;var t={};this._indicesByUUID=t;for(var e=0,n=arguments.length;e!==n;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};var i=this;this.stats={objects:{get total(){return i._objects.length},get inUse(){return this.total-i.nCachedObjects_}},get bindingsPerObject(){return i._bindings.length}}}Object.assign(Nl.prototype,{getValue:function(t,e){this.bind();var n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(t,e)},setValue:function(t,e){for(var n=this._bindings,i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(t,e)},bind:function(){for(var t=this._bindings,e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()},unbind:function(){for(var t=this._bindings,e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}}),Object.assign(Bl,{Composite:Nl,create:function(t,e,n){return t&&t.isAnimationObjectGroup?new Bl.Composite(t,e,n):new Bl(t,e,n)},sanitizeNodeName:function(t){return t.replace(/\s/g,"_").replace(El,"")},parseTrackName:function(t){var e=Il.exec(t);if(!e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);var n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){var r=n.nodeName.substring(i+1);-1!==Dl.indexOf(r)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=r)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n},findNode:function(t,e){if(!e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){var n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){var i=function t(n){for(var i=0;i<n.length;i++){var r=n[i];if(r.name===e||r.uuid===e)return r;var a=t(r.children);if(a)return a}return null}(t.children);if(i)return i}return null}}),Object.assign(Bl.prototype,{_getValue_unavailable:function(){},_setValue_unavailable:function(){},BindingType:{Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},Versioning:{None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},GetterByBindingType:[function(t,e){t[e]=this.node[this.propertyName]},function(t,e){for(var n=this.resolvedProperty,i=0,r=n.length;i!==r;++i)t[e++]=n[i]},function(t,e){t[e]=this.resolvedProperty[this.propertyIndex]},function(t,e){this.resolvedProperty.toArray(t,e)}],SetterByBindingTypeAndVersioning:[[function(t,e){this.targetObject[this.propertyName]=t[e]},function(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0},function(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}],[function(t,e){for(var n=this.resolvedProperty,i=0,r=n.length;i!==r;++i)n[i]=t[e++]},function(t,e){for(var n=this.resolvedProperty,i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.needsUpdate=!0},function(t,e){for(var n=this.resolvedProperty,i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}],[function(t,e){this.resolvedProperty[this.propertyIndex]=t[e]},function(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0},function(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}],[function(t,e){this.resolvedProperty.fromArray(t,e)},function(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0},function(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}]],getValue:function(t,e){this.bind(),this.getValue(t,e)},setValue:function(t,e){this.bind(),this.setValue(t,e)},bind:function(){var t=this.node,e=this.parsedPath,n=e.objectName,i=e.propertyName,r=e.propertyIndex;if(t||(t=Bl.findNode(this.rootNode,e.nodeName)||this.rootNode,this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,t){if(n){var a=e.objectIndex;switch(n){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(var o=0;o<t.length;o++)if(t[o].name===a){a=o;break}break;default:if(void 0===t[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[n]}if(void 0!==a){if(void 0===t[a])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[a]}}var s=t[i];if(void 0!==s){var c=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?c=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(c=this.Versioning.MatrixWorldNeedsUpdate);var l=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.isBufferGeometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}l=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(l=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(l=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=i;this.getValue=this.GetterByBindingType[l],this.setValue=this.SetterByBindingTypeAndVersioning[l][c]}else{var u=e.nodeName;console.error("THREE.PropertyBinding: Trying to update property for track: "+u+"."+i+" but it wasn't found.",t)}}else console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.")},unbind:function(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}),Object.assign(Bl.prototype,{_getValue_unbound:Bl.prototype.getValue,_setValue_unbound:Bl.prototype.setValue}),Object.assign(zl.prototype,{isAnimationObjectGroup:!0,add:function(){for(var t=this._objects,e=this._indicesByUUID,n=this._paths,i=this._parsedPaths,r=this._bindings,a=r.length,o=void 0,s=t.length,c=this.nCachedObjects_,l=0,u=arguments.length;l!==u;++l){var h=arguments[l],d=h.uuid,p=e[d];if(void 0===p){p=s++,e[d]=p,t.push(h);for(var f=0,m=a;f!==m;++f)r[f].push(new Bl(h,n[f],i[f]))}else if(p<c){o=t[p];var v=--c,g=t[v];e[g.uuid]=p,t[p]=g,e[d]=v,t[v]=h;for(var y=0,x=a;y!==x;++y){var _=r[y],b=_[v],w=_[p];_[p]=b,void 0===w&&(w=new Bl(h,n[y],i[y])),_[v]=w}}else t[p]!==o&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=c},remove:function(){for(var t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_,a=0,o=arguments.length;a!==o;++a){var s=arguments[a],c=s.uuid,l=e[c];if(void 0!==l&&l>=r){var u=r++,h=t[u];e[h.uuid]=l,t[l]=h,e[c]=u,t[u]=s;for(var d=0,p=i;d!==p;++d){var f=n[d],m=f[u],v=f[l];f[l]=m,f[u]=v}}}this.nCachedObjects_=r},uncache:function(){for(var t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length,r=this.nCachedObjects_,a=t.length,o=0,s=arguments.length;o!==s;++o){var c=arguments[o],l=c.uuid,u=e[l];if(void 0!==u)if(delete e[l],u<r){var h=--r,d=t[h],p=--a,f=t[p];e[d.uuid]=u,t[u]=d,e[f.uuid]=h,t[h]=f,t.pop();for(var m=0,v=i;m!==v;++m){var g=n[m],y=g[h],x=g[p];g[u]=y,g[h]=x,g.pop()}}else{var _=--a,b=t[_];_>0&&(e[b.uuid]=u),t[u]=b,t.pop();for(var w=0,M=i;w!==M;++w){var S=n[w];S[u]=S[_],S.pop()}}}this.nCachedObjects_=r},subscribe_:function(t,e){var n=this._bindingsIndicesByPath,i=n[t],r=this._bindings;if(void 0!==i)return r[i];var a=this._paths,o=this._parsedPaths,s=this._objects,c=s.length,l=this.nCachedObjects_,u=new Array(c);i=r.length,n[t]=i,a.push(t),o.push(e),r.push(u);for(var h=l,d=s.length;h!==d;++h){var p=s[h];u[h]=new Bl(p,t,e)}return u},unsubscribe_:function(t){var e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){var i=this._paths,r=this._parsedPaths,a=this._bindings,o=a.length-1,s=a[o];e[t[o]]=n,a[n]=s,a.pop(),r[n]=r[o],r.pop(),i[n]=i[o],i.pop()}}});var Fl=function(){function t(t,e,n,i){void 0===n&&(n=null),void 0===i&&(i=e.blendMode),this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;for(var r=e.tracks,a=r.length,o=new Array(a),s={endingStart:V,endingEnd:V},c=0;c!==a;++c){var l=r[c].createInterpolant(null);o[c]=l,l.settings=s}this._interpolantSettings=s,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}var e=t.prototype;return e.play=function(){return this._mixer._activateAction(this),this},e.stop=function(){return this._mixer._deactivateAction(this),this.reset()},e.reset=function(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()},e.isRunning=function(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)},e.isScheduled=function(){return this._mixer._isActiveAction(this)},e.startAt=function(t){return this._startTime=t,this},e.setLoop=function(t,e){return this.loop=t,this.repetitions=e,this},e.setEffectiveWeight=function(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()},e.getEffectiveWeight=function(){return this._effectiveWeight},e.fadeIn=function(t){return this._scheduleFading(t,0,1)},e.fadeOut=function(t){return this._scheduleFading(t,1,0)},e.crossFadeFrom=function(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){var i=this._clip.duration,r=t._clip.duration,a=r/i,o=i/r;t.warp(1,a,e),this.warp(o,1,e)}return this},e.crossFadeTo=function(t,e,n){return t.crossFadeFrom(this,e,n)},e.stopFading=function(){var t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this},e.setEffectiveTimeScale=function(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()},e.getEffectiveTimeScale=function(){return this._effectiveTimeScale},e.setDuration=function(t){return this.timeScale=this._clip.duration/t,this.stopWarping()},e.syncWith=function(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()},e.halt=function(t){return this.warp(this._effectiveTimeScale,0,t)},e.warp=function(t,e,n){var i=this._mixer,r=i.time,a=this.timeScale,o=this._timeScaleInterpolant;null===o&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);var s=o.parameterPositions,c=o.sampleValues;return s[0]=r,s[1]=r+n,c[0]=t/a,c[1]=e/a,this},e.stopWarping=function(){var t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this},e.getMixer=function(){return this._mixer},e.getClip=function(){return this._clip},e.getRoot=function(){return this._localRoot||this._mixer._root},e._update=function(t,e,n,i){if(this.enabled){var r=this._startTime;if(null!==r){var a=(t-r)*n;if(a<0||0===n)return;this._startTime=null,e=n*a}e*=this._updateTimeScale(t);var o=this._updateTime(e),s=this._updateWeight(t);if(s>0){var c=this._interpolants,l=this._propertyBindings;switch(this.blendMode){case X:for(var u=0,h=c.length;u!==h;++u)c[u].evaluate(o),l[u].accumulateAdditive(s);break;case q:default:for(var d=0,p=c.length;d!==p;++d)c[d].evaluate(o),l[d].accumulate(i,s)}}}else this._updateWeight(t)},e._updateWeight=function(t){var e=0;if(this.enabled){e=this.weight;var n=this._weightInterpolant;if(null!==n){var i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e},e._updateTimeScale=function(t){var e=0;if(!this.paused){e=this.timeScale;var n=this._timeScaleInterpolant;if(null!==n)e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}return this._effectiveTimeScale=e,e},e._updateTime=function(t){var e=this._clip.duration,n=this.loop,i=this.time+t,r=this._loopCount,a=2202===n;if(0===t)return-1===r?i:a&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),i>=e||i<0){var o=Math.floor(i/e);i-=e*o,r+=Math.abs(o);var s=this.repetitions-r;if(s<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===s){var c=t<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=i;if(a&&1==(1&r))return e-i}return i},e._setEndings=function(t,e,n){var i=this._interpolantSettings;n?(i.endingStart=W,i.endingEnd=W):(i.endingStart=t?this.zeroSlopeAtStart?W:V:j,i.endingEnd=e?this.zeroSlopeAtEnd?W:V:j)},e._scheduleFading=function(t,e,n){var i=this._mixer,r=i.time,a=this._weightInterpolant;null===a&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);var o=a.parameterPositions,s=a.sampleValues;return o[0]=r,s[0]=e,o[1]=r+t,s[1]=n,this},t}();function Hl(t){this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}Hl.prototype=Object.assign(Object.create(dt.prototype),{constructor:Hl,_bindAction:function(t,e){var n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,a=t._propertyBindings,o=t._interpolants,s=n.uuid,c=this._bindingsByRootAndName,l=c[s];void 0===l&&(l={},c[s]=l);for(var u=0;u!==r;++u){var h=i[u],d=h.name,p=l[d];if(void 0!==p)a[u]=p;else{if(void 0!==(p=a[u])){null===p._cacheIndex&&(++p.referenceCount,this._addInactiveBinding(p,s,d));continue}var f=e&&e._propertyBindings[u].binding.parsedPath;++(p=new Sl(Bl.create(n,d,f),h.ValueTypeName,h.getValueSize())).referenceCount,this._addInactiveBinding(p,s,d),a[u]=p}o[u].resultBuffer=p.buffer}},_activateAction:function(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){var e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}for(var r=t._propertyBindings,a=0,o=r.length;a!==o;++a){var s=r[a];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}},_deactivateAction:function(t){if(this._isActiveAction(t)){for(var e=t._propertyBindings,n=0,i=e.length;n!==i;++n){var r=e[n];0==--r.useCount&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(t)}},_initMemoryManager:function(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;var t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}},_isActiveAction:function(t){var e=t._cacheIndex;return null!==e&&e<this._nActiveActions},_addInactiveAction:function(t,e,n){var i=this._actions,r=this._actionsByClip,a=r[e];if(void 0===a)a={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=a;else{var o=a.knownActions;t._byClipCacheIndex=o.length,o.push(t)}t._cacheIndex=i.length,i.push(t),a.actionByRoot[n]=t},_removeInactiveAction:function(t){var e=this._actions,n=e[e.length-1],i=t._cacheIndex;n._cacheIndex=i,e[i]=n,e.pop(),t._cacheIndex=null;var r=t._clip.uuid,a=this._actionsByClip,o=a[r],s=o.knownActions,c=s[s.length-1],l=t._byClipCacheIndex;c._byClipCacheIndex=l,s[l]=c,s.pop(),t._byClipCacheIndex=null,delete o.actionByRoot[(t._localRoot||this._root).uuid],0===s.length&&delete a[r],this._removeInactiveBindingsForAction(t)},_removeInactiveBindingsForAction:function(t){for(var e=t._propertyBindings,n=0,i=e.length;n!==i;++n){var r=e[n];0==--r.referenceCount&&this._removeInactiveBinding(r)}},_lendAction:function(t){var e=this._actions,n=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r},_takeBackAction:function(t){var e=this._actions,n=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r},_addInactiveBinding:function(t,e,n){var i=this._bindingsByRootAndName,r=this._bindings,a=i[e];void 0===a&&(a={},i[e]=a),a[n]=t,t._cacheIndex=r.length,r.push(t)},_removeInactiveBinding:function(t){var e=this._bindings,n=t.binding,i=n.rootNode.uuid,r=n.path,a=this._bindingsByRootAndName,o=a[i],s=e[e.length-1],c=t._cacheIndex;s._cacheIndex=c,e[c]=s,e.pop(),delete o[r],0===Object.keys(o).length&&delete a[i]},_lendBinding:function(t){var e=this._bindings,n=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r},_takeBackBinding:function(t){var e=this._bindings,n=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r},_lendControlInterpolant:function(){var t=this._controlInterpolants,e=this._nActiveControlInterpolants++,n=t[e];return void 0===n&&((n=new Ns(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer)).__cacheIndex=e,t[e]=n),n},_takeBackControlInterpolant:function(t){var e=this._controlInterpolants,n=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=n,e[n]=r},_controlInterpolantsResultBuffer:new Float32Array(1),clipAction:function(t,e,n){var i=e||this._root,r=i.uuid,a="string"==typeof t?js.findByName(i,t):t,o=null!==a?a.uuid:t,s=this._actionsByClip[o],c=null;if(void 0===n&&(n=null!==a?a.blendMode:q),void 0!==s){var l=s.actionByRoot[r];if(void 0!==l&&l.blendMode===n)return l;c=s.knownActions[0],null===a&&(a=c._clip)}if(null===a)return null;var u=new Fl(this,a,e,n);return this._bindAction(u,c),this._addInactiveAction(u,o,r),u},existingAction:function(t,e){var n=e||this._root,i=n.uuid,r="string"==typeof t?js.findByName(n,t):t,a=r?r.uuid:t,o=this._actionsByClip[a];return void 0!==o&&o.actionByRoot[i]||null},stopAllAction:function(){for(var t=this._actions,e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this},update:function(t){t*=this.timeScale;for(var e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),a=this._accuIndex^=1,o=0;o!==n;++o){e[o]._update(i,t,r,a)}for(var s=this._bindings,c=this._nActiveBindings,l=0;l!==c;++l)s[l].apply(a);return this},setTime:function(t){this.time=0;for(var e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(t)},getRoot:function(){return this._root},uncacheClip:function(t){var e=this._actions,n=t.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){for(var a=r.knownActions,o=0,s=a.length;o!==s;++o){var c=a[o];this._deactivateAction(c);var l=c._cacheIndex,u=e[e.length-1];c._cacheIndex=null,c._byClipCacheIndex=null,u._cacheIndex=l,e[l]=u,e.pop(),this._removeInactiveBindingsForAction(c)}delete i[n]}},uncacheRoot:function(t){var e=t.uuid,n=this._actionsByClip;for(var i in n){var r=n[i].actionByRoot[e];void 0!==r&&(this._deactivateAction(r),this._removeInactiveAction(r))}var a=this._bindingsByRootAndName[e];if(void 0!==a)for(var o in a){var s=a[o];s.restoreOriginalState(),this._removeInactiveBinding(s)}},uncacheAction:function(t,e){var n=this.existingAction(t,e);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}});var Gl=function(){function t(t){"string"==typeof t&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),t=arguments[1]),this.value=t}return t.prototype.clone=function(){return new t(void 0===this.value.clone?this.value:this.value.clone())},t}();function Ul(t,e,n){ma.call(this,t,e),this.meshPerAttribute=n||1}function kl(t,e,n,i,r){this.buffer=t,this.type=e,this.itemSize=n,this.elementSize=i,this.count=r,this.version=0}function Vl(t,e,n,i){this.ray=new ee(t,e),this.near=n||0,this.far=i||1/0,this.camera=null,this.layers=new pe,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function Wl(t,e){return t.distance-e.distance}function jl(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i)for(var r=t.children,a=0,o=r.length;a<o;a++)jl(r[a],e,n,!0)}Ul.prototype=Object.assign(Object.create(ma.prototype),{constructor:Ul,isInstancedInterleavedBuffer:!0,copy:function(t){return ma.prototype.copy.call(this,t),this.meshPerAttribute=t.meshPerAttribute,this},clone:function(t){var e=ma.prototype.clone.call(this,t);return e.meshPerAttribute=this.meshPerAttribute,e},toJSON:function(t){var e=ma.prototype.toJSON.call(this,t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}),Object.defineProperty(kl.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(kl.prototype,{isGLBufferAttribute:!0,setBuffer:function(t){return this.buffer=t,this},setType:function(t,e){return this.type=t,this.elementSize=e,this},setItemSize:function(t){return this.itemSize=t,this},setCount:function(t){return this.count=t,this}}),Object.assign(Vl.prototype,{set:function(t,e){this.ray.set(t,e)},setFromCamera:function(t,e){e&&e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e&&e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)},intersectObject:function(t,e,n){var i=n||[];return jl(t,this,i,e),i.sort(Wl),i},intersectObjects:function(t,e,n){var i=n||[];if(!1===Array.isArray(t))return console.warn("THREE.Raycaster.intersectObjects: objects is not an Array."),i;for(var r=0,a=t.length;r<a;r++)jl(t[r],this,i,e);return i.sort(Wl),i}});var ql=function(){function t(t,e,n){return void 0===t&&(t=1),void 0===e&&(e=0),void 0===n&&(n=0),this.radius=t,this.phi=e,this.theta=n,this}var e=t.prototype;return e.set=function(t,e,n){return this.radius=t,this.phi=e,this.theta=n,this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this},e.makeSafe=function(){var t=1e-6;return this.phi=Math.max(t,Math.min(Math.PI-t,this.phi)),this},e.setFromVector3=function(t){return this.setFromCartesianCoords(t.x,t.y,t.z)},e.setFromCartesianCoords=function(t,e,n){return this.radius=Math.sqrt(t*t+e*e+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,n),this.phi=Math.acos(gt.clamp(e/this.radius,-1,1))),this},t}(),Xl=function(){function t(t,e,n){return this.radius=void 0!==t?t:1,this.theta=void 0!==e?e:0,this.y=void 0!==n?n:0,this}var e=t.prototype;return e.set=function(t,e,n){return this.radius=t,this.theta=e,this.y=n,this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this},e.setFromVector3=function(t){return this.setFromCartesianCoords(t.x,t.y,t.z)},e.setFromCartesianCoords=function(t,e,n){return this.radius=Math.sqrt(t*t+n*n),this.theta=Math.atan2(t,n),this.y=e,this},t}(),Yl=new yt,Zl=function(){function t(t,e){Object.defineProperty(this,"isBox2",{value:!0}),this.min=void 0!==t?t:new yt(1/0,1/0),this.max=void 0!==e?e:new yt(-1/0,-1/0)}var e=t.prototype;return e.set=function(t,e){return this.min.copy(t),this.max.copy(e),this},e.setFromPoints=function(t){this.makeEmpty();for(var e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this},e.setFromCenterAndSize=function(t,e){var n=Yl.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.min.copy(t.min),this.max.copy(t.max),this},e.makeEmpty=function(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this},e.isEmpty=function(){return this.max.x<this.min.x||this.max.y<this.min.y},e.getCenter=function(t){return void 0===t&&(console.warn("THREE.Box2: .getCenter() target is now required"),t=new yt),this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)},e.getSize=function(t){return void 0===t&&(console.warn("THREE.Box2: .getSize() target is now required"),t=new yt),this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)},e.expandByPoint=function(t){return this.min.min(t),this.max.max(t),this},e.expandByVector=function(t){return this.min.sub(t),this.max.add(t),this},e.expandByScalar=function(t){return this.min.addScalar(-t),this.max.addScalar(t),this},e.containsPoint=function(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y)},e.containsBox=function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y},e.getParameter=function(t,e){return void 0===e&&(console.warn("THREE.Box2: .getParameter() target is now required"),e=new yt),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))},e.intersectsBox=function(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y)},e.clampPoint=function(t,e){return void 0===e&&(console.warn("THREE.Box2: .clampPoint() target is now required"),e=new yt),e.copy(t).clamp(this.min,this.max)},e.distanceToPoint=function(t){return Yl.copy(t).clamp(this.min,this.max).sub(t).length()},e.intersect=function(t){return this.min.max(t.min),this.max.min(t.max),this},e.union=function(t){return this.min.min(t.min),this.max.max(t.max),this},e.translate=function(t){return this.min.add(t),this.max.add(t),this},e.equals=function(t){return t.min.equals(this.min)&&t.max.equals(this.max)},t}(),Jl=new Lt,Ql=new Lt,Kl=function(){function t(t,e){this.start=void 0!==t?t:new Lt,this.end=void 0!==e?e:new Lt}var e=t.prototype;return e.set=function(t,e){return this.start.copy(t),this.end.copy(e),this},e.clone=function(){return(new this.constructor).copy(this)},e.copy=function(t){return this.start.copy(t.start),this.end.copy(t.end),this},e.getCenter=function(t){return void 0===t&&(console.warn("THREE.Line3: .getCenter() target is now required"),t=new Lt),t.addVectors(this.start,this.end).multiplyScalar(.5)},e.delta=function(t){return void 0===t&&(console.warn("THREE.Line3: .delta() target is now required"),t=new Lt),t.subVectors(this.end,this.start)},e.distanceSq=function(){return this.start.distanceToSquared(this.end)},e.distance=function(){return this.start.distanceTo(this.end)},e.at=function(t,e){return void 0===e&&(console.warn("THREE.Line3: .at() target is now required"),e=new Lt),this.delta(e).multiplyScalar(t).add(this.start)},e.closestPointToPointParameter=function(t,e){Jl.subVectors(t,this.start),Ql.subVectors(this.end,this.start);var n=Ql.dot(Ql),i=Ql.dot(Jl)/n;return e&&(i=gt.clamp(i,0,1)),i},e.closestPointToPoint=function(t,e,n){var i=this.closestPointToPointParameter(t,e);return void 0===n&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),n=new Lt),this.delta(n).multiplyScalar(i).add(this.start)},e.applyMatrix4=function(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this},e.equals=function(t){return t.start.equals(this.start)&&t.end.equals(this.end)},t}();function $l(t){Ae.call(this),this.material=t,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}$l.prototype=Object.create(Ae.prototype),$l.prototype.constructor=$l,$l.prototype.isImmediateRenderObject=!0;var tu=new Lt,eu=function(t){function e(e,n){var i;(i=t.call(this)||this).light=e,i.light.updateMatrixWorld(),i.matrix=e.matrixWorld,i.matrixAutoUpdate=!1,i.color=n;for(var r=new Sn,a=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1],o=0,s=1;o<32;o++,s++){var c=o/32*Math.PI*2,l=s/32*Math.PI*2;a.push(Math.cos(c),Math.sin(c),1,Math.cos(l),Math.sin(l),1)}r.setAttribute("position",new dn(a,3));var u=new Ka({fog:!1,toneMapped:!1});return i.cone=new so(r,u),i.add(i.cone),i.update(),i}ct(e,t);var n=e.prototype;return n.dispose=function(){this.cone.geometry.dispose(),this.cone.material.dispose()},n.update=function(){this.light.updateMatrixWorld();var t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),tu.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(tu),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)},e}(Ae),nu=new Lt,iu=new ne,ru=new ne,au=function(t){function e(e){for(var n,i=ou(e),r=new Sn,a=[],o=[],s=new Ze(0,0,1),c=new Ze(0,1,0),l=0;l<i.length;l++){var u=i[l];u.parent&&u.parent.isBone&&(a.push(0,0,0),a.push(0,0,0),o.push(s.r,s.g,s.b),o.push(c.r,c.g,c.b))}r.setAttribute("position",new dn(a,3)),r.setAttribute("color",new dn(o,3));var h=new Ka({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});return(n=t.call(this,r,h)||this).type="SkeletonHelper",n.isSkeletonHelper=!0,n.root=e,n.bones=i,n.matrix=e.matrixWorld,n.matrixAutoUpdate=!1,n}return ct(e,t),e.prototype.updateMatrixWorld=function(e){var n=this.bones,i=this.geometry,r=i.getAttribute("position");ru.copy(this.root.matrixWorld).invert();for(var a=0,o=0;a<n.length;a++){var s=n[a];s.parent&&s.parent.isBone&&(iu.multiplyMatrices(ru,s.matrixWorld),nu.setFromMatrixPosition(iu),r.setXYZ(o,nu.x,nu.y,nu.z),iu.multiplyMatrices(ru,s.parent.matrixWorld),nu.setFromMatrixPosition(iu),r.setXYZ(o+1,nu.x,nu.y,nu.z),o+=2)}i.getAttribute("position").needsUpdate=!0,t.prototype.updateMatrixWorld.call(this,e)},e}(so);function ou(t){var e=[];t&&t.isBone&&e.push(t);for(var n=0;n<t.children.length;n++)e.push.apply(e,ou(t.children[n]));return e}var su=function(t){function e(e,n,i){var r,a=new ps(n,4,2),o=new $e({wireframe:!0,fog:!1,toneMapped:!1});return(r=t.call(this,a,o)||this).light=e,r.light.updateMatrixWorld(),r.color=i,r.type="PointLightHelper",r.matrix=r.light.matrixWorld,r.matrixAutoUpdate=!1,r.update(),r}ct(e,t);var n=e.prototype;return n.dispose=function(){this.geometry.dispose(),this.material.dispose()},n.update=function(){void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)},e}(kn),cu=new Lt,lu=new Ze,uu=new Ze,hu=function(t){function e(e,n,i){var r;(r=t.call(this)||this).light=e,r.light.updateMatrixWorld(),r.matrix=e.matrixWorld,r.matrixAutoUpdate=!1,r.color=i;var a=new ls(n);a.rotateY(.5*Math.PI),r.material=new $e({wireframe:!0,fog:!1,toneMapped:!1}),void 0===r.color&&(r.material.vertexColors=!0);var o=a.getAttribute("position"),s=new Float32Array(3*o.count);return a.setAttribute("color",new nn(s,3)),r.add(new kn(a,r.material)),r.update(),r}ct(e,t);var n=e.prototype;return n.dispose=function(){this.children[0].geometry.dispose(),this.children[0].material.dispose()},n.update=function(){var t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{var e=t.geometry.getAttribute("color");lu.copy(this.light.color),uu.copy(this.light.groundColor);for(var n=0,i=e.count;n<i;n++){var r=n<i/2?lu:uu;e.setXYZ(n,r.r,r.g,r.b)}e.needsUpdate=!0}t.lookAt(cu.setFromMatrixPosition(this.light.matrixWorld).negate())},e}(Ae),du=function(t){function e(e,n,i,r){var a;void 0===e&&(e=10),void 0===n&&(n=10),void 0===i&&(i=4473924),void 0===r&&(r=8947848),i=new Ze(i),r=new Ze(r);for(var o=n/2,s=e/n,c=e/2,l=[],u=[],h=0,d=0,p=-c;h<=n;h++,p+=s){l.push(-c,0,p,c,0,p),l.push(p,0,-c,p,0,c);var f=h===o?i:r;f.toArray(u,d),d+=3,f.toArray(u,d),d+=3,f.toArray(u,d),d+=3,f.toArray(u,d),d+=3}var m=new Sn;m.setAttribute("position",new dn(l,3)),m.setAttribute("color",new dn(u,3));var v=new Ka({vertexColors:!0,toneMapped:!1});return(a=t.call(this,m,v)||this).type="GridHelper",a}return ct(e,t),e}(so),pu=function(t){function e(e,n,i,r,a,o){var s;void 0===e&&(e=10),void 0===n&&(n=16),void 0===i&&(i=8),void 0===r&&(r=64),void 0===a&&(a=4473924),void 0===o&&(o=8947848),a=new Ze(a),o=new Ze(o);for(var c=[],l=[],u=0;u<=n;u++){var h=u/n*(2*Math.PI),d=Math.sin(h)*e,p=Math.cos(h)*e;c.push(0,0,0),c.push(d,0,p);var f=1&u?a:o;l.push(f.r,f.g,f.b),l.push(f.r,f.g,f.b)}for(var m=0;m<=i;m++)for(var v=1&m?a:o,g=e-e/i*m,y=0;y<r;y++){var x=y/r*(2*Math.PI),_=Math.sin(x)*g,b=Math.cos(x)*g;c.push(_,0,b),l.push(v.r,v.g,v.b),x=(y+1)/r*(2*Math.PI),_=Math.sin(x)*g,b=Math.cos(x)*g,c.push(_,0,b),l.push(v.r,v.g,v.b)}var w=new Sn;w.setAttribute("position",new dn(c,3)),w.setAttribute("color",new dn(l,3));var M=new Ka({vertexColors:!0,toneMapped:!1});return(s=t.call(this,w,M)||this).type="PolarGridHelper",s}return ct(e,t),e}(so),fu=new Lt,mu=new Lt,vu=new Lt,gu=function(t){function e(e,n,i){var r;(r=t.call(this)||this).light=e,r.light.updateMatrixWorld(),r.matrix=e.matrixWorld,r.matrixAutoUpdate=!1,r.color=i,void 0===n&&(n=1);var a=new Sn;a.setAttribute("position",new dn([-n,n,0,n,n,0,n,-n,0,-n,-n,0,-n,n,0],3));var o=new Ka({fog:!1,toneMapped:!1});return r.lightPlane=new ro(a,o),r.add(r.lightPlane),(a=new Sn).setAttribute("position",new dn([0,0,0,0,0,1],3)),r.targetLine=new ro(a,o),r.add(r.targetLine),r.update(),r}ct(e,t);var n=e.prototype;return n.dispose=function(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()},n.update=function(){fu.setFromMatrixPosition(this.light.matrixWorld),mu.setFromMatrixPosition(this.light.target.matrixWorld),vu.subVectors(mu,fu),this.lightPlane.lookAt(mu),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(mu),this.targetLine.scale.z=vu.length()},e}(Ae),yu=new Lt,xu=new Zn,_u=function(t){function e(e){var n,i=new Sn,r=new Ka({color:16777215,vertexColors:!0,toneMapped:!1}),a=[],o=[],s={},c=new Ze(16755200),l=new Ze(16711680),u=new Ze(43775),h=new Ze(16777215),d=new Ze(3355443);function p(t,e,n){f(t,n),f(e,n)}function f(t,e){a.push(0,0,0),o.push(e.r,e.g,e.b),void 0===s[t]&&(s[t]=[]),s[t].push(a.length/3-1)}return p("n1","n2",c),p("n2","n4",c),p("n4","n3",c),p("n3","n1",c),p("f1","f2",c),p("f2","f4",c),p("f4","f3",c),p("f3","f1",c),p("n1","f1",c),p("n2","f2",c),p("n3","f3",c),p("n4","f4",c),p("p","n1",l),p("p","n2",l),p("p","n3",l),p("p","n4",l),p("u1","u2",u),p("u2","u3",u),p("u3","u1",u),p("c","t",h),p("p","c",d),p("cn1","cn2",d),p("cn3","cn4",d),p("cf1","cf2",d),p("cf3","cf4",d),i.setAttribute("position",new dn(a,3)),i.setAttribute("color",new dn(o,3)),(n=t.call(this,i,r)||this).type="CameraHelper",n.camera=e,n.camera.updateProjectionMatrix&&n.camera.updateProjectionMatrix(),n.matrix=e.matrixWorld,n.matrixAutoUpdate=!1,n.pointMap=s,n.update(),n}return ct(e,t),e.prototype.update=function(){var t=this.geometry,e=this.pointMap;xu.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),bu("c",e,t,xu,0,0,-1),bu("t",e,t,xu,0,0,1),bu("n1",e,t,xu,-1,-1,-1),bu("n2",e,t,xu,1,-1,-1),bu("n3",e,t,xu,-1,1,-1),bu("n4",e,t,xu,1,1,-1),bu("f1",e,t,xu,-1,-1,1),bu("f2",e,t,xu,1,-1,1),bu("f3",e,t,xu,-1,1,1),bu("f4",e,t,xu,1,1,1),bu("u1",e,t,xu,.7,1.1,-1),bu("u2",e,t,xu,-.7,1.1,-1),bu("u3",e,t,xu,0,2,-1),bu("cf1",e,t,xu,-1,0,1),bu("cf2",e,t,xu,1,0,1),bu("cf3",e,t,xu,0,-1,1),bu("cf4",e,t,xu,0,1,1),bu("cn1",e,t,xu,-1,0,-1),bu("cn2",e,t,xu,1,0,-1),bu("cn3",e,t,xu,0,-1,-1),bu("cn4",e,t,xu,0,1,-1),t.getAttribute("position").needsUpdate=!0},e}(so);function bu(t,e,n,i,r,a,o){yu.set(r,a,o).unproject(i);var s=e[t];if(void 0!==s)for(var c=n.getAttribute("position"),l=0,u=s.length;l<u;l++)c.setXYZ(s[l],yu.x,yu.y,yu.z)}var wu,Mu,Su,Tu=new Pt,Eu=function(t){function e(e,n){var i;void 0===n&&(n=16776960);var r=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),a=new Float32Array(24),o=new Sn;return o.setIndex(new nn(r,1)),o.setAttribute("position",new nn(a,3)),(i=t.call(this,o,new Ka({color:n,toneMapped:!1}))||this).object=e,i.type="BoxHelper",i.matrixAutoUpdate=!1,i.update(),i}ct(e,t);var n=e.prototype;return n.update=function(t){if(void 0!==t&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&Tu.setFromObject(this.object),!Tu.isEmpty()){var e=Tu.min,n=Tu.max,i=this.geometry.attributes.position,r=i.array;r[0]=n.x,r[1]=n.y,r[2]=n.z,r[3]=e.x,r[4]=n.y,r[5]=n.z,r[6]=e.x,r[7]=e.y,r[8]=n.z,r[9]=n.x,r[10]=e.y,r[11]=n.z,r[12]=n.x,r[13]=n.y,r[14]=e.z,r[15]=e.x,r[16]=n.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=n.x,r[22]=e.y,r[23]=e.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}},n.setFromObject=function(t){return this.object=t,this.update(),this},n.copy=function(t){return so.prototype.copy.call(this,t),this.object=t.object,this},e}(so),Au=function(t){function e(e,n){var i;void 0===n&&(n=16776960);var r=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),a=new Sn;return a.setIndex(new nn(r,1)),a.setAttribute("position",new dn([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),(i=t.call(this,a,new Ka({color:n,toneMapped:!1}))||this).box=e,i.type="Box3Helper",i.geometry.computeBoundingSphere(),i}return ct(e,t),e.prototype.updateMatrixWorld=function(e){var n=this.box;n.isEmpty()||(n.getCenter(this.position),n.getSize(this.scale),this.scale.multiplyScalar(.5),t.prototype.updateMatrixWorld.call(this,e))},e}(so),Lu=function(t){function e(e,n,i){var r;void 0===n&&(n=1),void 0===i&&(i=16776960);var a=i,o=new Sn;o.setAttribute("position",new dn([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3)),o.computeBoundingSphere(),(r=t.call(this,o,new Ka({color:a,toneMapped:!1}))||this).type="PlaneHelper",r.plane=e,r.size=n;var s=new Sn;return s.setAttribute("position",new dn([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3)),s.computeBoundingSphere(),r.add(new kn(s,new $e({color:a,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1}))),r}return ct(e,t),e.prototype.updateMatrixWorld=function(e){var n=-this.plane.constant;Math.abs(n)<1e-8&&(n=1e-8),this.scale.set(.5*this.size,.5*this.size,n),this.children[0].material.side=n<0?1:0,this.lookAt(this.plane.normal),t.prototype.updateMatrixWorld.call(this,e)},e}(ro),Ru=new Lt,Cu=function(t){function e(e,n,i,r,a,o){var s;return(s=t.call(this)||this).type="ArrowHelper",void 0===e&&(e=new Lt(0,0,1)),void 0===n&&(n=new Lt(0,0,0)),void 0===i&&(i=1),void 0===r&&(r=16776960),void 0===a&&(a=.2*i),void 0===o&&(o=.2*a),void 0===wu&&((wu=new Sn).setAttribute("position",new dn([0,0,0,0,1,0],3)),(Mu=new wo(0,.5,1,5,1)).translate(0,-.5,0)),s.position.copy(n),s.line=new ro(wu,new Ka({color:r,toneMapped:!1})),s.line.matrixAutoUpdate=!1,s.add(s.line),s.cone=new kn(Mu,new $e({color:r,toneMapped:!1})),s.cone.matrixAutoUpdate=!1,s.add(s.cone),s.setDirection(e),s.setLength(i,a,o),s}ct(e,t);var n=e.prototype;return n.setDirection=function(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Ru.set(t.z,0,-t.x).normalize();var e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Ru,e)}},n.setLength=function(t,e,n){void 0===e&&(e=.2*t),void 0===n&&(n=.2*e),this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()},n.setColor=function(t){this.line.material.color.set(t),this.cone.material.color.set(t)},n.copy=function(e){return t.prototype.copy.call(this,e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this},e}(Ae),Pu=function(t){function e(e){var n;void 0===e&&(e=1);var i=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],r=new Sn;r.setAttribute("position",new dn(i,3)),r.setAttribute("color",new dn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));var a=new Ka({vertexColors:!0,toneMapped:!1});return(n=t.call(this,r,a)||this).type="AxesHelper",n}return ct(e,t),e}(so),Ou=new Float32Array(1),Iu=new Int32Array(Ou.buffer),Du={toHalfFloat:function(t){Ou[0]=t;var e=Iu[0],n=e>>16&32768,i=e>>12&2047,r=e>>23&255;return r<103?n:r>142?(n|=31744,n|=(255==r?0:1)&&8388607&e):r<113?n|=((i|=2048)>>114-r)+(i>>113-r&1):(n|=r-112<<10|i>>1,n+=1&i)}},Nu=Math.pow(2,8),Bu=[.125,.215,.35,.446,.526,.582],zu=5+Bu.length,Fu=20,Hu=((Su={})[3e3]=0,Su[3001]=1,Su[3002]=2,Su[3004]=3,Su[3005]=4,Su[3006]=5,Su[3007]=6,Su),Gu=new $e({side:1,depthWrite:!1,depthTest:!1}),Uu=new kn(new Wn,Gu),ku=new Nc,Vu=eh(),Wu=Vu._lodPlanes,ju=Vu._sizeLods,qu=Vu._sigmas,Xu=new Ze,Yu=null,Zu=(1+Math.sqrt(5))/2,Ju=1/Zu,Qu=[new Lt(1,1,1),new Lt(-1,1,1),new Lt(1,1,-1),new Lt(-1,1,-1),new Lt(0,Zu,Ju),new Lt(0,Zu,-Ju),new Lt(Ju,0,Zu),new Lt(-Ju,0,Zu),new Lt(Zu,Ju,0),new Lt(-Zu,Ju,0)];function Ku(t){var e=Math.max(t.r,t.g,t.b),n=Math.min(Math.max(Math.ceil(Math.log2(e)),-128),127);return t.multiplyScalar(Math.pow(2,-n)),(n+128)/255}var $u=function(){function t(t){var e,n,i;this._renderer=t,this._pingPongRenderTarget=null,this._blurMaterial=(e=Fu,n=new Float32Array(e),i=new Lt(0,1,0),new ws({name:"SphericalGaussianBlur",defines:{n:e},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:i},inputEncoding:{value:Hu[3e3]},outputEncoding:{value:Hu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}var e=t.prototype;return e.fromScene=function(t,e,n,i){void 0===e&&(e=0),void 0===n&&(n=.1),void 0===i&&(i=100),Yu=this._renderer.getRenderTarget();var r=this._allocateTargets();return this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r},e.fromEquirectangular=function(t){return this._fromTexture(t)},e.fromCubemap=function(t){return this._fromTexture(t)},e.compileCubemapShader=function(){null===this._cubemapShader&&(this._cubemapShader=ah(),this._compileMaterial(this._cubemapShader))},e.compileEquirectangularShader=function(){null===this._equirectShader&&(this._equirectShader=rh(),this._compileMaterial(this._equirectShader))},e.dispose=function(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(var t=0;t<Wu.length;t++)Wu[t].dispose()},e._cleanup=function(t){this._pingPongRenderTarget.dispose(),this._renderer.setRenderTarget(Yu),t.scissorTest=!1,ih(t,0,0,t.width,t.height)},e._fromTexture=function(t){Yu=this._renderer.getRenderTarget();var e=this._allocateTargets(t);return this._textureToCubeUV(t,e),this._applyPMREM(e),this._cleanup(e),e},e._allocateTargets=function(t){var e={magFilter:f,minFilter:f,generateMipmaps:!1,type:_,format:1023,encoding:th(t)?t.encoding:Q,depthBuffer:!1},n=nh(e);return n.depthBuffer=!t,this._pingPongRenderTarget=nh(e),n},e._compileMaterial=function(t){var e=new kn(Wu[0],t);this._renderer.compile(e,ku)},e._sceneToCubeUV=function(t,e,n,i){var r=new Jn(90,1,e,n),a=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],s=this._renderer,c=s.autoClear,l=s.outputEncoding,u=s.toneMapping;s.getClearColor(Xu),s.toneMapping=0,s.outputEncoding=Y,s.autoClear=!1;var h=!1,d=t.background;if(d){if(d.isColor){Gu.color.copy(d).convertSRGBToLinear(),t.background=null;var p=Ku(Gu.color);Gu.opacity=p,h=!0}}else{Gu.color.copy(Xu).convertSRGBToLinear();var f=Ku(Gu.color);Gu.opacity=f,h=!0}for(var m=0;m<6;m++){var v=m%3;0==v?(r.up.set(0,a[m],0),r.lookAt(o[m],0,0)):1==v?(r.up.set(0,0,a[m]),r.lookAt(0,o[m],0)):(r.up.set(0,a[m],0),r.lookAt(0,0,o[m])),ih(i,v*Nu,m>2?Nu:0,Nu,Nu),s.setRenderTarget(i),h&&s.render(Uu,r),s.render(t,r)}s.toneMapping=u,s.outputEncoding=l,s.autoClear=c},e._textureToCubeUV=function(t,e){var n=this._renderer;t.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=ah()):null==this._equirectShader&&(this._equirectShader=rh());var i=t.isCubeTexture?this._cubemapShader:this._equirectShader,r=new kn(Wu[0],i),a=i.uniforms;a.envMap.value=t,t.isCubeTexture||a.texelSize.value.set(1/t.image.width,1/t.image.height),a.inputEncoding.value=Hu[t.encoding],a.outputEncoding.value=Hu[e.texture.encoding],ih(e,0,0,3*Nu,2*Nu),n.setRenderTarget(e),n.render(r,ku)},e._applyPMREM=function(t){var e=this._renderer,n=e.autoClear;e.autoClear=!1;for(var i=1;i<zu;i++){var r=Math.sqrt(qu[i]*qu[i]-qu[i-1]*qu[i-1]),a=Qu[(i-1)%Qu.length];this._blur(t,i-1,i,r,a)}e.autoClear=n},e._blur=function(t,e,n,i,r){var a=this._pingPongRenderTarget;this._halfBlur(t,a,e,n,i,"latitudinal",r),this._halfBlur(a,t,n,n,i,"longitudinal",r)},e._halfBlur=function(t,e,n,i,r,a,o){var s=this._renderer,c=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");var l=new kn(Wu[i],c),u=c.uniforms,h=ju[n]-1,d=isFinite(r)?Math.PI/(2*h):2*Math.PI/39,p=r/d,f=isFinite(r)?1+Math.floor(3*p):Fu;f>Fu&&console.warn("sigmaRadians, "+r+", is too large and will clip, as it requested "+f+" samples when the maximum is set to "+Fu);for(var m=[],v=0,g=0;g<Fu;++g){var y=g/p,x=Math.exp(-y*y/2);m.push(x),0==g?v+=x:g<f&&(v+=2*x)}for(var _=0;_<m.length;_++)m[_]=m[_]/v;u.envMap.value=t.texture,u.samples.value=f,u.weights.value=m,u.latitudinal.value="latitudinal"===a,o&&(u.poleAxis.value=o),u.dTheta.value=d,u.mipInt.value=8-n,u.inputEncoding.value=Hu[t.texture.encoding],u.outputEncoding.value=Hu[t.texture.encoding];var b=ju[i];ih(e,3*Math.max(0,Nu-2*b),(0===i?0:2*Nu)+2*b*(i>4?i-8+4:0),3*b,2*b),s.setRenderTarget(e),s.render(l,ku)},t}();function th(t){return void 0!==t&&t.type===_&&(t.encoding===Y||t.encoding===Z||t.encoding===J)}function eh(){for(var t=[],e=[],n=[],i=8,r=0;r<zu;r++){var a=Math.pow(2,i);e.push(a);var o=1/a;r>4?o=Bu[r-8+4-1]:0==r&&(o=0),n.push(o);for(var s=1/(a-1),c=-s/2,l=1+s/2,u=[c,c,l,c,l,l,c,c,l,l,c,l],h=new Float32Array(108),d=new Float32Array(72),p=new Float32Array(36),f=0;f<6;f++){var m=f%3*2/3-1,v=f>2?0:-1,g=[m,v,0,m+2/3,v,0,m+2/3,v+1,0,m,v,0,m+2/3,v+1,0,m,v+1,0];h.set(g,18*f),d.set(u,12*f);var y=[f,f,f,f,f,f];p.set(y,6*f)}var x=new Sn;x.setAttribute("position",new nn(h,3)),x.setAttribute("uv",new nn(d,2)),x.setAttribute("faceIndex",new nn(p,1)),t.push(x),i>4&&i--}return{_lodPlanes:t,_sizeLods:e,_sigmas:n}}function nh(t){var e=new Tt(3*Nu,3*Nu,t);return e.texture.mapping=l,e.texture.name="PMREM.cubeUv",e.scissorTest=!0,e}function ih(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function rh(){return new ws({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:new yt(1,1)},inputEncoding:{value:Hu[3e3]},outputEncoding:{value:Hu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function ah(){return new ws({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Hu[3e3]},outputEncoding:{value:Hu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function oh(t){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),pc.call(this,t),this.type="catmullrom",this.closed=!0}function sh(t){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),pc.call(this,t),this.type="catmullrom"}function ch(t){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead."),pc.call(this,t),this.type="catmullrom"}ac.create=function(t,e){return console.log("THREE.Curve.create() has been deprecated"),t.prototype=Object.create(ac.prototype),t.prototype.constructor=t,t.prototype.getPoint=e,t},Object.assign(Ec.prototype,{fromPoints:function(t){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(t)}}),oh.prototype=Object.create(pc.prototype),sh.prototype=Object.create(pc.prototype),ch.prototype=Object.create(pc.prototype),Object.assign(ch.prototype,{initFromArray:function(){console.error("THREE.Spline: .initFromArray() has been removed.")},getControlPointsArray:function(){console.error("THREE.Spline: .getControlPointsArray() has been removed.")},reparametrizeByArcLength:function(){console.error("THREE.Spline: .reparametrizeByArcLength() has been removed.")}}),du.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},au.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")},Object.assign(Js.prototype,{extractUrlBase:function(t){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),Vc.extractUrlBase(t)}}),Js.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}},Object.assign(Zl.prototype,{center:function(t){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(t)},empty:function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()},isIntersectionBox:function(t){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},size:function(t){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(t)}}),Object.assign(Pt.prototype,{center:function(t){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(t)},empty:function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},isIntersectionBox:function(t){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},isIntersectionSphere:function(t){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)},size:function(t){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(t)}}),Object.assign(Xt.prototype,{empty:function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()}}),ri.prototype.setFromMatrix=function(t){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(t)},Kl.prototype.center=function(t){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(t)},Object.assign(gt,{random16:function(){return console.warn("THREE.Math: .random16() has been deprecated. Use Math.random() instead."),Math.random()},nearestPowerOfTwo:function(t){return console.warn("THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo()."),gt.floorPowerOfTwo(t)},nextPowerOfTwo:function(t){return console.warn("THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo()."),gt.ceilPowerOfTwo(t)}}),Object.assign(xt.prototype,{flattenToArrayOffset:function(t,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},multiplyVector3:function(t){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},multiplyVector3Array:function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},applyToBufferAttribute:function(t){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},applyToVector3Array:function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},getInverse:function(t){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()}}),Object.assign(ne.prototype,{extractPosition:function(t){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(t)},flattenToArrayOffset:function(t,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},getPosition:function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new Lt).setFromMatrixColumn(this,3)},setRotationFromQuaternion:function(t){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(t)},multiplyToArray:function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},multiplyVector3:function(t){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},multiplyVector4:function(t){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},multiplyVector3Array:function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},rotateAxis:function(t){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),t.transformDirection(this)},crossVector:function(t){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},translate:function(){console.error("THREE.Matrix4: .translate() has been removed.")},rotateX:function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},rotateY:function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},rotateZ:function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},rotateByAxis:function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},applyToBufferAttribute:function(t){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},applyToVector3Array:function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},makeFrustum:function(t,e,n,i,r,a){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(t,e,i,n,r,a)},getInverse:function(t){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()}}),Pe.prototype.isIntersectionLine=function(t){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(t)},Object.assign(At.prototype,{multiplyVector3:function(t){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),t.applyQuaternion(this)},inverse:function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()}}),Object.assign(ee.prototype,{isIntersectionBox:function(t){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},isIntersectionPlane:function(t){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(t)},isIntersectionSphere:function(t){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)}}),Object.assign(ke.prototype,{area:function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},barycoordFromPoint:function(t,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(t,e)},midpoint:function(t){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(t)},normal:function(t){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(t)},plane:function(t){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(t)}}),Object.assign(ke,{barycoordFromPoint:function(t,e,n,i,r){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),ke.getBarycoord(t,e,n,i,r)},normal:function(t,e,n,i){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),ke.getNormal(t,e,n,i)}}),Object.assign(Ac.prototype,{extractAllPoints:function(t){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(t)},extrude:function(t){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new as(this,t)},makeGeometry:function(t){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new ds(this,t)}}),Object.assign(yt.prototype,{fromAttribute:function(t,e,n){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},distanceToManhattan:function(t){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},lengthManhattan:function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()}}),Object.assign(Lt.prototype,{setEulerFromRotationMatrix:function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},setEulerFromQuaternion:function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},getPositionFromMatrix:function(t){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(t)},getScaleFromMatrix:function(t){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(t)},getColumnFromMatrix:function(t,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,t)},applyProjection:function(t){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(t)},fromAttribute:function(t,e,n){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},distanceToManhattan:function(t){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},lengthManhattan:function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()}}),Object.assign(St.prototype,{fromAttribute:function(t,e,n){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},lengthManhattan:function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()}}),Object.assign(Ae.prototype,{getChildByName:function(t){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(t)},renderDepth:function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},translate:function(t,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,t)},getWorldRotation:function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},applyMatrix:function(t){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)}}),Object.defineProperties(Ae.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(t){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=t}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}}),Object.assign(kn.prototype,{setDrawMode:function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}),Object.defineProperties(kn.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),0},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}}),Object.defineProperties(Ba.prototype,{objects:{get:function(){return console.warn("THREE.LOD: .objects has been renamed to .levels."),this.levels}}}),Object.defineProperty(qa.prototype,"useVertexTexture",{get:function(){console.warn("THREE.Skeleton: useVertexTexture has been removed.")},set:function(){console.warn("THREE.Skeleton: useVertexTexture has been removed.")}}),ka.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")},Object.defineProperty(ac.prototype,"__arcLengthDivisions",{get:function(){return console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),this.arcLengthDivisions},set:function(t){console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),this.arcLengthDivisions=t}}),Jn.prototype.setLens=function(t,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==e&&(this.filmGauge=e),this.setFocalLength(t)},Object.defineProperties(Lc.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(t){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=t}},shadowCameraLeft:{set:function(t){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=t}},shadowCameraRight:{set:function(t){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=t}},shadowCameraTop:{set:function(t){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=t}},shadowCameraBottom:{set:function(t){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=t}},shadowCameraNear:{set:function(t){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=t}},shadowCameraFar:{set:function(t){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=t}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(t){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=t}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(t){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=t}},shadowMapHeight:{set:function(t){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=t}}}),Object.defineProperties(nn.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===it},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(it)}}}),Object.assign(nn.prototype,{setDynamic:function(t){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?it:nt),this},copyIndicesArray:function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},setArray:function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")}}),Object.assign(Sn.prototype,{addIndex:function(t){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(t)},addAttribute:function(t,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),e&&e.isBufferAttribute||e&&e.isInterleavedBufferAttribute?"index"===t?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(t,e):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(t,new nn(arguments[1],arguments[2])))},addDrawCall:function(t,e,n){void 0!==n&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(t,e)},clearDrawCalls:function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},computeOffsets:function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},removeAttribute:function(t){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(t)},applyMatrix:function(t){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)}}),Object.defineProperties(Sn.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}}),Object.defineProperties(Wc.prototype,{maxInstancedCount:{get:function(){return console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),this.instanceCount},set:function(t){console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),this.instanceCount=t}}}),Object.defineProperties(Vl.prototype,{linePrecision:{get:function(){return console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),this.params.Line.threshold},set:function(t){console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),this.params.Line.threshold=t}}}),Object.defineProperties(ma.prototype,{dynamic:{get:function(){return console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),this.usage===it},set:function(t){console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),this.setUsage(t)}}}),Object.assign(ma.prototype,{setDynamic:function(t){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?it:nt),this},setArray:function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")}}),Object.assign(as.prototype,{getArrays:function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},addShapeList:function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},addShape:function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")}}),Object.assign(fa.prototype,{dispose:function(){console.error("THREE.Scene: .dispose() has been removed.")}}),Object.defineProperties(Gl.prototype,{dynamic:{set:function(){console.warn("THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.")}},onUpdate:{value:function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this}}}),Object.defineProperties(Ke.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new Ze}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===t}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(t){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=t}}}),Object.defineProperties(Ts.prototype,{metal:{get:function(){return console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead."),!1},set:function(){console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead")}}}),Object.defineProperties(Ss.prototype,{transparency:{get:function(){return console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),this.transmission},set:function(t){console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),this.transmission=t}}}),Object.defineProperties(Yn.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(t){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=t}}}),Object.assign(ua.prototype,{clearTarget:function(t,e,n,i){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(t),this.clear(e,n,i)},animate:function(t){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(t)},getCurrentRenderTarget:function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},getMaxAnisotropy:function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},getPrecision:function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},resetGLState:function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},supportsFloatTextures:function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},supportsHalfFloatTextures:function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},supportsStandardDerivatives:function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},supportsCompressedTextureS3TC:function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},supportsCompressedTexturePVRTC:function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},supportsBlendMinMax:function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},supportsVertexTextures:function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},supportsInstancedArrays:function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},enableScissorTest:function(t){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(t)},initMaterial:function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},addPrePlugin:function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},addPostPlugin:function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},updateShadowMap:function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},setFaceCulling:function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},allocTextureUnit:function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},setTexture:function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},setTexture2D:function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},setTextureCube:function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},getActiveMipMapLevel:function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()}}),Object.defineProperties(ua.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=t}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=t}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(t){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===t?Z:Y}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}}}),Object.defineProperties(ea.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}}),Object.defineProperties(Tt.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=t}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=t}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=t}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=t}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(t){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=t}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(t){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=t}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(t){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=t}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(t){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=t}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(t){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=t}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(t){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=t}}}),Object.defineProperties(gl.prototype,{load:{value:function(t){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");var e=this;return(new rl).load(t,(function(t){e.setBuffer(t)})),this}},startTime:{set:function(){console.warn("THREE.Audio: .startTime is now .play( delay ).")}}}),Ml.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()},Kn.prototype.updateCubeMap=function(t,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(t,e)},Kn.prototype.clear=function(t,e,n,i){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(t,e,n,i)};var lh={merge:function(t,e,n){var i;console.warn("THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead."),e.isMesh&&(e.matrixAutoUpdate&&e.updateMatrix(),i=e.matrix,e=e.geometry),t.merge(e,i,n)},center:function(t){return console.warn("THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead."),t.center()}};_t.crossOrigin=void 0,_t.loadTexture=function(t,e,n,i){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");var r=new rc;r.setCrossOrigin(this.crossOrigin);var a=r.load(t,n,void 0,i);return e&&(a.mapping=e),a},_t.loadTextureCube=function(t,e,n,i){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");var r=new nc;r.setCrossOrigin(this.crossOrigin);var a=r.load(t,n,void 0,i);return e&&(a.mapping=e),a},_t.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")},_t.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")};var uh={createMultiMaterialObject:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")},detach:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")},attach:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")}};"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:n}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=n),t.ACESFilmicToneMapping=4,t.AddEquation=i,t.AddOperation=2,t.AdditiveAnimationBlendMode=X,t.AdditiveBlending=2,t.AlphaFormat=1021,t.AlwaysDepth=1,t.AlwaysStencilFunc=519,t.AmbientLight=Fc,t.AmbientLightProbe=ol,t.AnimationClip=js,t.AnimationLoader=$s,t.AnimationMixer=Hl,t.AnimationObjectGroup=zl,t.AnimationUtils=Os,t.ArcCurve=sc,t.ArrayCamera=aa,t.ArrowHelper=Cu,t.Audio=gl,t.AudioAnalyser=Ml,t.AudioContext=il,t.AudioListener=vl,t.AudioLoader=rl,t.AxesHelper=Pu,t.AxisHelper=function(t){return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),new Pu(t)},t.BackSide=1,t.BasicDepthPacking=3200,t.BasicShadowMap=0,t.BinaryTextureLoader=function(t){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new ic(t)},t.Bone=Va,t.BooleanKeyframeTrack=Fs,t.BoundingBoxHelper=function(t,e){return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),new Eu(t,e)},t.Box2=Zl,t.Box3=Pt,t.Box3Helper=Au,t.BoxBufferGeometry=Wn,t.BoxGeometry=Wn,t.BoxHelper=Eu,t.BufferAttribute=nn,t.BufferGeometry=Sn,t.BufferGeometryLoader=qc,t.ByteType=1010,t.Cache=Xs,t.Camera=Zn,t.CameraHelper=_u,t.CanvasRenderer=function(){console.error("THREE.CanvasRenderer has been removed")},t.CanvasTexture=xo,t.CatmullRomCurve3=pc,t.CineonToneMapping=3,t.CircleBufferGeometry=bo,t.CircleGeometry=bo,t.ClampToEdgeWrapping=d,t.Clock=ul,t.ClosedSplineCurve3=oh,t.Color=Ze,t.ColorKeyframeTrack=Hs,t.CompressedTexture=yo,t.CompressedTextureLoader=tc,t.ConeBufferGeometry=Mo,t.ConeGeometry=Mo,t.CubeCamera=Kn,t.CubeReflectionMapping=a,t.CubeRefractionMapping=o,t.CubeTexture=$n,t.CubeTextureLoader=nc,t.CubeUVReflectionMapping=l,t.CubeUVRefractionMapping=u,t.CubicBezierCurve=gc,t.CubicBezierCurve3=yc,t.CubicInterpolant=Ds,t.CullFaceBack=1,t.CullFaceFront=2,t.CullFaceFrontBack=3,t.CullFaceNone=0,t.Curve=ac,t.CurvePath=Tc,t.CustomBlending=5,t.CustomToneMapping=5,t.CylinderBufferGeometry=wo,t.CylinderGeometry=wo,t.Cylindrical=Xl,t.DataTexture=ei,t.DataTexture2DArray=Ti,t.DataTexture3D=Ei,t.DataTextureLoader=ic,t.DataUtils=Du,t.DecrementStencilOp=7683,t.DecrementWrapStencilOp=34056,t.DefaultLoadingManager=Zs,t.DepthFormat=L,t.DepthStencilFormat=R,t.DepthTexture=_o,t.DirectionalLight=zc,t.DirectionalLightHelper=gu,t.DiscreteInterpolant=Bs,t.DodecahedronBufferGeometry=To,t.DodecahedronGeometry=To,t.DoubleSide=2,t.DstAlphaFactor=206,t.DstColorFactor=208,t.DynamicBufferAttribute=function(t,e){return console.warn("THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead."),new nn(t,e).setUsage(it)},t.DynamicCopyUsage=35050,t.DynamicDrawUsage=it,t.DynamicReadUsage=35049,t.EdgesGeometry=Co,t.EdgesHelper=function(t,e){return console.warn("THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead."),new so(new Co(t.geometry),new Ka({color:void 0!==e?e:16777215}))},t.EllipseCurve=oc,t.EqualDepth=4,t.EqualStencilFunc=514,t.EquirectangularReflectionMapping=s,t.EquirectangularRefractionMapping=c,t.Euler=ue,t.EventDispatcher=dt,t.ExtrudeBufferGeometry=as,t.ExtrudeGeometry=as,t.Face3=Je,t.Face4=function(t,e,n,i,r,a,o){return console.warn("THREE.Face4 has been removed. A THREE.Face3 will be created instead."),new Je(t,e,n,r,a,o)},t.FaceColors=1,t.FileLoader=Ks,t.FlatShading=1,t.Float16BufferAttribute=hn,t.Float32Attribute=function(t,e){return console.warn("THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead."),new dn(t,e)},t.Float32BufferAttribute=dn,t.Float64Attribute=function(t,e){return console.warn("THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead."),new pn(t,e)},t.Float64BufferAttribute=pn,t.FloatType=M,t.Fog=pa,t.FogExp2=da,t.Font=tl,t.FontLoader=nl,t.FrontSide=0,t.Frustum=ri,t.GLBufferAttribute=kl,t.GLSL1="100",t.GLSL3=rt,t.GammaEncoding=J,t.GeometryUtils=lh,t.GreaterDepth=6,t.GreaterEqualDepth=5,t.GreaterEqualStencilFunc=518,t.GreaterStencilFunc=516,t.GridHelper=du,t.Group=oa,t.HalfFloatType=S,t.HemisphereLight=Rc,t.HemisphereLightHelper=hu,t.HemisphereLightProbe=al,t.IcosahedronBufferGeometry=ss,t.IcosahedronGeometry=ss,t.ImageBitmapLoader=Qc,t.ImageLoader=ec,t.ImageUtils=_t,t.ImmediateRenderObject=$l,t.IncrementStencilOp=7682,t.IncrementWrapStencilOp=34055,t.InstancedBufferAttribute=jc,t.InstancedBufferGeometry=Wc,t.InstancedInterleavedBuffer=Ul,t.InstancedMesh=Qa,t.Int16Attribute=function(t,e){return console.warn("THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead."),new sn(t,e)},t.Int16BufferAttribute=sn,t.Int32Attribute=function(t,e){return console.warn("THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead."),new ln(t,e)},t.Int32BufferAttribute=ln,t.Int8Attribute=function(t,e){return console.warn("THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead."),new rn(t,e)},t.Int8BufferAttribute=rn,t.IntType=1013,t.InterleavedBuffer=ma,t.InterleavedBufferAttribute=ya,t.Interpolant=Is,t.InterpolateDiscrete=G,t.InterpolateLinear=U,t.InterpolateSmooth=k,t.InvertStencilOp=5386,t.JSONLoader=function(){console.error("THREE.JSONLoader has been removed.")},t.KeepStencilOp=et,t.KeyframeTrack=zs,t.LOD=Ba,t.LatheBufferGeometry=cs,t.LatheGeometry=cs,t.Layers=pe,t.LensFlare=function(){console.error("THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js")},t.LessDepth=2,t.LessEqualDepth=3,t.LessEqualStencilFunc=515,t.LessStencilFunc=513,t.Light=Lc,t.LightProbe=Uc,t.Line=ro,t.Line3=Kl,t.LineBasicMaterial=Ka,t.LineCurve=xc,t.LineCurve3=_c,t.LineDashedMaterial=Cs,t.LineLoop=co,t.LinePieces=1,t.LineSegments=so,t.LineStrip=0,t.LinearEncoding=Y,t.LinearFilter=g,t.LinearInterpolant=Ns,t.LinearMipMapLinearFilter=1008,t.LinearMipMapNearestFilter=1007,t.LinearMipmapLinearFilter=x,t.LinearMipmapNearestFilter=y,t.LinearToneMapping=1,t.Loader=Js,t.LoaderUtils=Vc,t.LoadingManager=Ys,t.LogLuvEncoding=3003,t.LoopOnce=2200,t.LoopPingPong=2202,t.LoopRepeat=2201,t.LuminanceAlphaFormat=1025,t.LuminanceFormat=1024,t.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},t.Material=Ke,t.MaterialLoader=kc,t.Math=gt,t.MathUtils=gt,t.Matrix3=xt,t.Matrix4=ne,t.MaxEquation=104,t.Mesh=kn,t.MeshBasicMaterial=$e,t.MeshDepthMaterial=$r,t.MeshDistanceMaterial=ta,t.MeshFaceMaterial=function(t){return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),t},t.MeshLambertMaterial=Ls,t.MeshMatcapMaterial=Rs,t.MeshNormalMaterial=As,t.MeshPhongMaterial=Ts,t.MeshPhysicalMaterial=Ss,t.MeshStandardMaterial=Ms,t.MeshToonMaterial=Es,t.MinEquation=103,t.MirroredRepeatWrapping=p,t.MixOperation=1,t.MultiMaterial=function(t){return void 0===t&&(t=[]),console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),t.isMultiMaterial=!0,t.materials=t,t.clone=function(){return t.slice()},t},t.MultiplyBlending=4,t.MultiplyOperation=0,t.NearestFilter=f,t.NearestMipMapLinearFilter=1005,t.NearestMipMapNearestFilter=1004,t.NearestMipmapLinearFilter=v,t.NearestMipmapNearestFilter=m,t.NeverDepth=0,t.NeverStencilFunc=512,t.NoBlending=0,t.NoColors=0,t.NoToneMapping=0,t.NormalAnimationBlendMode=q,t.NormalBlending=1,t.NotEqualDepth=7,t.NotEqualStencilFunc=517,t.NumberKeyframeTrack=Gs,t.Object3D=Ae,t.ObjectLoader=Xc,t.ObjectSpaceNormalMap=1,t.OctahedronBufferGeometry=ls,t.OctahedronGeometry=ls,t.OneFactor=201,t.OneMinusDstAlphaFactor=207,t.OneMinusDstColorFactor=209,t.OneMinusSrcAlphaFactor=205,t.OneMinusSrcColorFactor=203,t.OrthographicCamera=Nc,t.PCFShadowMap=1,t.PCFSoftShadowMap=2,t.PMREMGenerator=$u,t.ParametricBufferGeometry=us,t.ParametricGeometry=us,t.Particle=function(t){return console.warn("THREE.Particle has been renamed to THREE.Sprite."),new Oa(t)},t.ParticleBasicMaterial=function(t){return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),new lo(t)},t.ParticleSystem=function(t,e){return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),new mo(t,e)},t.ParticleSystemMaterial=function(t){return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),new lo(t)},t.Path=Ec,t.PerspectiveCamera=Jn,t.Plane=Pe,t.PlaneBufferGeometry=si,t.PlaneGeometry=si,t.PlaneHelper=Lu,t.PointCloud=function(t,e){return console.warn("THREE.PointCloud has been renamed to THREE.Points."),new mo(t,e)},t.PointCloudMaterial=function(t){return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),new lo(t)},t.PointLight=Dc,t.PointLightHelper=su,t.Points=mo,t.PointsMaterial=lo,t.PolarGridHelper=pu,t.PolyhedronBufferGeometry=So,t.PolyhedronGeometry=So,t.PositionalAudio=wl,t.PropertyBinding=Bl,t.PropertyMixer=Sl,t.QuadraticBezierCurve=bc,t.QuadraticBezierCurve3=wc,t.Quaternion=At,t.QuaternionKeyframeTrack=ks,t.QuaternionLinearInterpolant=Us,t.REVISION=n,t.RGBADepthPacking=3201,t.RGBAFormat=A,t.RGBAIntegerFormat=1033,t.RGBA_ASTC_10x10_Format=37819,t.RGBA_ASTC_10x5_Format=37816,t.RGBA_ASTC_10x6_Format=37817,t.RGBA_ASTC_10x8_Format=37818,t.RGBA_ASTC_12x10_Format=37820,t.RGBA_ASTC_12x12_Format=37821,t.RGBA_ASTC_4x4_Format=37808,t.RGBA_ASTC_5x4_Format=37809,t.RGBA_ASTC_5x5_Format=37810,t.RGBA_ASTC_6x5_Format=37811,t.RGBA_ASTC_6x6_Format=37812,t.RGBA_ASTC_8x5_Format=37813,t.RGBA_ASTC_8x6_Format=37814,t.RGBA_ASTC_8x8_Format=37815,t.RGBA_BPTC_Format=36492,t.RGBA_ETC2_EAC_Format=H,t.RGBA_PVRTC_2BPPV1_Format=z,t.RGBA_PVRTC_4BPPV1_Format=B,t.RGBA_S3TC_DXT1_Format=P,t.RGBA_S3TC_DXT3_Format=O,t.RGBA_S3TC_DXT5_Format=I,t.RGBDEncoding=tt,t.RGBEEncoding=Q,t.RGBEFormat=1023,t.RGBFormat=E,t.RGBIntegerFormat=1032,t.RGBM16Encoding=$,t.RGBM7Encoding=K,t.RGB_ETC1_Format=36196,t.RGB_ETC2_Format=F,t.RGB_PVRTC_2BPPV1_Format=N,t.RGB_PVRTC_4BPPV1_Format=D,t.RGB_S3TC_DXT1_Format=C,t.RGFormat=1030,t.RGIntegerFormat=1031,t.RawShaderMaterial=ws,t.Ray=ee,t.Raycaster=Vl,t.RectAreaLight=Hc,t.RedFormat=1028,t.RedIntegerFormat=1029,t.ReinhardToneMapping=2,t.RepeatWrapping=h,t.ReplaceStencilOp=7681,t.ReverseSubtractEquation=102,t.RingBufferGeometry=hs,t.RingGeometry=hs,t.SRGB8_ALPHA8_ASTC_10x10_Format=37851,t.SRGB8_ALPHA8_ASTC_10x5_Format=37848,t.SRGB8_ALPHA8_ASTC_10x6_Format=37849,t.SRGB8_ALPHA8_ASTC_10x8_Format=37850,t.SRGB8_ALPHA8_ASTC_12x10_Format=37852,t.SRGB8_ALPHA8_ASTC_12x12_Format=37853,t.SRGB8_ALPHA8_ASTC_4x4_Format=37840,t.SRGB8_ALPHA8_ASTC_5x4_Format=37841,t.SRGB8_ALPHA8_ASTC_5x5_Format=37842,t.SRGB8_ALPHA8_ASTC_6x5_Format=37843,t.SRGB8_ALPHA8_ASTC_6x6_Format=37844,t.SRGB8_ALPHA8_ASTC_8x5_Format=37845,t.SRGB8_ALPHA8_ASTC_8x6_Format=37846,t.SRGB8_ALPHA8_ASTC_8x8_Format=37847,t.Scene=fa,t.SceneUtils=uh,t.ShaderChunk=ci,t.ShaderLib=ui,t.ShaderMaterial=Yn,t.ShadowMaterial=bs,t.Shape=Ac,t.ShapeBufferGeometry=ds,t.ShapeGeometry=ds,t.ShapePath=Kc,t.ShapeUtils=ns,t.ShortType=1011,t.Skeleton=qa,t.SkeletonHelper=au,t.SkinnedMesh=ka,t.SmoothShading=2,t.Sphere=Xt,t.SphereBufferGeometry=ps,t.SphereGeometry=ps,t.Spherical=ql,t.SphericalHarmonics3=Gc,t.Spline=ch,t.SplineCurve=Mc,t.SplineCurve3=sh,t.SpotLight=Oc,t.SpotLightHelper=eu,t.Sprite=Oa,t.SpriteMaterial=xa,t.SrcAlphaFactor=204,t.SrcAlphaSaturateFactor=210,t.SrcColorFactor=202,t.StaticCopyUsage=35046,t.StaticDrawUsage=nt,t.StaticReadUsage=35045,t.StereoCamera=ll,t.StreamCopyUsage=35042,t.StreamDrawUsage=35040,t.StreamReadUsage=35041,t.StringKeyframeTrack=Vs,t.SubtractEquation=101,t.SubtractiveBlending=3,t.TOUCH={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},t.TangentSpaceNormalMap=0,t.TetrahedronBufferGeometry=fs,t.TetrahedronGeometry=fs,t.TextBufferGeometry=ms,t.TextGeometry=ms,t.Texture=wt,t.TextureLoader=rc,t.TorusBufferGeometry=vs,t.TorusGeometry=vs,t.TorusKnotBufferGeometry=gs,t.TorusKnotGeometry=gs,t.Triangle=ke,t.TriangleFanDrawMode=2,t.TriangleStripDrawMode=1,t.TrianglesDrawMode=0,t.TubeBufferGeometry=ys,t.TubeGeometry=ys,t.UVMapping=r,t.Uint16Attribute=function(t,e){return console.warn("THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead."),new cn(t,e)},t.Uint16BufferAttribute=cn,t.Uint32Attribute=function(t,e){return console.warn("THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead."),new un(t,e)},t.Uint32BufferAttribute=un,t.Uint8Attribute=function(t,e){return console.warn("THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead."),new an(t,e)},t.Uint8BufferAttribute=an,t.Uint8ClampedAttribute=function(t,e){return console.warn("THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead."),new on(t,e)},t.Uint8ClampedBufferAttribute=on,t.Uniform=Gl,t.UniformsLib=li,t.UniformsUtils=Xn,t.UnsignedByteType=_,t.UnsignedInt248Type=T,t.UnsignedIntType=w,t.UnsignedShort4444Type=1017,t.UnsignedShort5551Type=1018,t.UnsignedShort565Type=1019,t.UnsignedShortType=b,t.VSMShadowMap=3,t.Vector2=yt,t.Vector3=Lt,t.Vector4=St,t.VectorKeyframeTrack=Ws,t.Vertex=function(t,e,n){return console.warn("THREE.Vertex has been removed. Use THREE.Vector3 instead."),new Lt(t,e,n)},t.VertexColors=2,t.VideoTexture=go,t.WebGL1Renderer=ha,t.WebGLCubeRenderTarget=ti,t.WebGLMultisampleRenderTarget=Et,t.WebGLRenderTarget=Tt,t.WebGLRenderTargetCube=function(t,e,n){return console.warn("THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options )."),new ti(t,n)},t.WebGLRenderer=ua,t.WebGLUtils=ra,t.WireframeGeometry=xs,t.WireframeHelper=function(t,e){return console.warn("THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead."),new so(new xs(t.geometry),new Ka({color:void 0!==e?e:16777215}))},t.WrapAroundEnding=j,t.XHRLoader=function(t){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new Ks(t)},t.ZeroCurvatureEnding=V,t.ZeroFactor=200,t.ZeroSlopeEnding=W,t.ZeroStencilOp=0,t.sRGBEncoding=Z,Object.defineProperty(t,"__esModule",{value:!0})}));
//javascript/closure/base.js
/**
 * @license
 * Copyright The Closure Library Authors.
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @fileoverview Bootstrap for the Google JS Library (Closure).
 *
 * In uncompiled mode base.js will attempt to load Closure's deps file, unless
 * the global <code>CLOSURE_NO_DEPS</code> is set to true.  This allows projects
 * to include their own deps file(s) from different locations.
 *
 * Avoid including base.js more than once. This is strictly discouraged and not
 * supported. goog.require(...) won't work properly in that case.
 *
 * @suppress {deprecated} Users cannot remove deprecated uses here.
 * @provideGoog
 */


/**
 * @define {boolean} Overridden to true by the compiler.
 */
var COMPILED = false;


/**
 * Base namespace for the Closure library.  Checks to see goog is already
 * defined in the current scope before assigning to prevent clobbering if
 * base.js is loaded more than once.
 *
 * @const
 */
var goog = goog || {};

/**
 * Reference to the global object.
 * https://www.ecma-international.org/ecma-262/9.0/index.html#sec-global-object
 *
 * More info on this implementation here:
 * https://docs.google.com/document/d/1NAeW4Wk7I7FV0Y2tcUFvQdGMc89k2vdgSXInw8_nvCI/edit
 *
 * @const
 * @suppress {undefinedVars} self won't be referenced unless `this` is falsy.
 * @type {!Global}
 */
goog.global =
    // Check `this` first for backwards compatibility.
    // Valid unless running as an ES module or in a function wrapper called
    //   without setting `this` properly.
    // Note that base.js can't usefully be imported as an ES module, but it may
    // be compiled into bundles that are loadable as ES modules.
    this ||
    // https://developer.mozilla.org/en-US/docs/Web/API/Window/self
    // For in-page browser environments and workers.
    self;


/**
 * A hook for overriding the define values in uncompiled mode.
 *
 * In uncompiled mode, `CLOSURE_UNCOMPILED_DEFINES` may be defined before
 * loading base.js.  If a key is defined in `CLOSURE_UNCOMPILED_DEFINES`,
 * `goog.define` will use the value instead of the default value.  This
 * allows flags to be overwritten without compilation (this is normally
 * accomplished with the compiler's "define" flag).
 *
 * Example:
 * <pre>
 *   var CLOSURE_UNCOMPILED_DEFINES = {'goog.DEBUG': false};
 * </pre>
 *
 * @type {Object<string, (string|number|boolean)>|undefined}
 */
goog.global.CLOSURE_UNCOMPILED_DEFINES;


/**
 * A hook for overriding the define values in uncompiled or compiled mode,
 * like CLOSURE_UNCOMPILED_DEFINES but effective in compiled code.  In
 * uncompiled code CLOSURE_UNCOMPILED_DEFINES takes precedence.
 *
 * Also unlike CLOSURE_UNCOMPILED_DEFINES the values must be number, boolean or
 * string literals or the compiler will emit an error.
 *
 * While any @define value may be set, only those set with goog.define will be
 * effective for uncompiled code.
 *
 * Example:
 * <pre>
 *   var CLOSURE_DEFINES = {'goog.DEBUG': false} ;
 * </pre>
 *
 * Currently the Closure Compiler will only recognize very simple definitions of
 * this value when looking for values to apply to compiled code and ignore all
 * other references.  Specifically, it looks the value defined at the variable
 * declaration, as with the example above.
 *
 * TODO(b/202066289): Improve the recognized definitions.
 *
 * @type {!Object<string, (string|number|boolean)>|null|undefined}
 */
goog.global.CLOSURE_DEFINES;


/**
 * Builds an object structure for the provided namespace path, ensuring that
 * names that already exist are not overwritten. For example:
 * "a.b.c" -> a = {};a.b={};a.b.c={};
 * Used by goog.provide and goog.exportSymbol.
 * @param {string} name The name of the object that this file defines.
 * @param {*=} object The object to expose at the end of the path.
 * @param {boolean=} overwriteImplicit If object is set and a previous call
 *     implicitly constructed the namespace given by name, this parameter
 *     controls whether object should overwrite the implicitly constructed
 *     namespace or be merged into it. Defaults to false.
 * @param {?Object=} objectToExportTo The object to add the path to; if this
 *     field is not specified, its value defaults to `goog.global`.
 * @private
 */
goog.exportPath_ = function(name, object, overwriteImplicit, objectToExportTo) {
  var parts = name.split('.');
  var cur = objectToExportTo || goog.global;

  // Internet Explorer exhibits strange behavior when throwing errors from
  // methods externed in this manner.  See the testExportSymbolExceptions in
  // base_test.html for an example.
  if (!(parts[0] in cur) && typeof cur.execScript != 'undefined') {
    cur.execScript('var ' + parts[0]);
  }

  for (var part; parts.length && (part = parts.shift());) {
    if (!parts.length && object !== undefined) {
      if (!overwriteImplicit && goog.isObject(object) &&
          goog.isObject(cur[part])) {
        // Merge properties on object (the input parameter) with the existing
        // implicitly defined namespace, so as to not clobber previously
        // defined child namespaces.
        for (var prop in object) {
          if (object.hasOwnProperty(prop)) {
            cur[part][prop] = object[prop];
          }
        }
      } else {
        // Either there is no existing implicit namespace, or overwriteImplicit
        // is set to true, so directly assign object (the input parameter) to
        // the namespace.
        cur[part] = object;
      }
    } else if (cur[part] && cur[part] !== Object.prototype[part]) {
      cur = cur[part];
    } else {
      cur = cur[part] = {};
    }
  }
};


/**
 * Defines a named value. In uncompiled mode, the value is retrieved from
 * CLOSURE_DEFINES or CLOSURE_UNCOMPILED_DEFINES if the object is defined and
 * has the property specified, and otherwise used the defined defaultValue.
 * When compiled the default can be overridden using the compiler options or the
 * value set in the CLOSURE_DEFINES object. Returns the defined value so that it
 * can be used safely in modules. Note that the value type MUST be either
 * boolean, number, or string.
 *
 * @param {string} name The distinguished name to provide.
 * @param {T} defaultValue
 * @return {T} The defined value.
 * @template T
 */
goog.define = function(name, defaultValue) {
  var value = defaultValue;
  if (!COMPILED) {
    var uncompiledDefines = goog.global.CLOSURE_UNCOMPILED_DEFINES;
    var defines = goog.global.CLOSURE_DEFINES;
    if (uncompiledDefines &&
        // Anti DOM-clobbering runtime check (b/37736576).
        /** @type {?} */ (uncompiledDefines).nodeType === undefined &&
        Object.prototype.hasOwnProperty.call(uncompiledDefines, name)) {
      value = uncompiledDefines[name];
    } else if (
        defines &&
        // Anti DOM-clobbering runtime check (b/37736576).
        /** @type {?} */ (defines).nodeType === undefined &&
        Object.prototype.hasOwnProperty.call(defines, name)) {
      value = defines[name];
    }
  }
  return value;
};


/**
 * @define {number} Integer year indicating the set of browser features that are
 * guaranteed to be present.  This is defined to include exactly features that
 * work correctly on all "modern" browsers that are stable on January 1 of the
 * specified year.  For example,
 * ```js
 * if (goog.FEATURESET_YEAR >= 2019) {
 *   // use APIs known to be available on all major stable browsers Jan 1, 2019
 * } else {
 *   // polyfill for older browsers
 * }
 * ```
 * This is intended to be the primary define for removing
 * unnecessary browser compatibility code (such as ponyfills and workarounds),
 * and should inform the default value for most other defines:
 * ```js
 * const ASSUME_NATIVE_PROMISE =
 *     goog.define('ASSUME_NATIVE_PROMISE', goog.FEATURESET_YEAR >= 2016);
 * ```
 *
 * The default assumption is that IE9 is the lowest supported browser, which was
 * first available Jan 1, 2012.
 *
 * TODO(mathiasb): Reference more thorough documentation when it's available.
 */
goog.FEATURESET_YEAR = goog.define('goog.FEATURESET_YEAR', 2012);


/**
 * @define {boolean} DEBUG is provided as a convenience so that debugging code
 * that should not be included in a production. It can be easily stripped
 * by specifying --define goog.DEBUG=false to the Closure Compiler aka
 * JSCompiler. For example, most toString() methods should be declared inside an
 * "if (goog.DEBUG)" conditional because they are generally used for debugging
 * purposes and it is difficult for the JSCompiler to statically determine
 * whether they are used.
 */
goog.DEBUG = goog.define('goog.DEBUG', true);


/**
 * @define {string} LOCALE defines the locale being used for compilation. It is
 * used to select locale specific data to be compiled in js binary. BUILD rule
 * can specify this value by "--define goog.LOCALE=<locale_name>" as a compiler
 * option.
 *
 * Take into account that the locale code format is important. You should use
 * the canonical Unicode format with hyphen as a delimiter. Language must be
 * lowercase, Language Script - Capitalized, Region - UPPERCASE.
 * There are few examples: pt-BR, en, en-US, sr-Latin-BO, zh-Hans-CN.
 *
 * See more info about locale codes here:
 * http://www.unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers
 *
 * For language codes you should use values defined by ISO 693-1. See it here
 * http://www.w3.org/WAI/ER/IG/ert/iso639.htm. There is only one exception from
 * this rule: the Hebrew language. For legacy reasons the old code (iw) should
 * be used instead of the new code (he).
 *
 * MOE:begin_intracomment_strip
 * See http://g3doc/i18n/identifiers/g3doc/synonyms.
 * MOE:end_intracomment_strip
 */
goog.LOCALE = goog.define('goog.LOCALE', 'en');  // default to en


/**
 * @define {boolean} Whether this code is running on trusted sites.
 *
 * On untrusted sites, several native functions can be defined or overridden by
 * external libraries like Prototype, Datejs, and JQuery and setting this flag
 * to false forces closure to use its own implementations when possible.
 *
 * If your JavaScript can be loaded by a third party site and you are wary about
 * relying on non-standard implementations, specify
 * "--define goog.TRUSTED_SITE=false" to the compiler.
 */
goog.TRUSTED_SITE = goog.define('goog.TRUSTED_SITE', true);


/**
 * @define {boolean} Whether code that calls {@link goog.setTestOnly} should
 *     be disallowed in the compilation unit.
 */
goog.DISALLOW_TEST_ONLY_CODE =
    goog.define('goog.DISALLOW_TEST_ONLY_CODE', COMPILED && !goog.DEBUG);


/**
 * @define {boolean} Whether to use a Chrome app CSP-compliant method for
 *     loading scripts via goog.require. @see appendScriptSrcNode_.
 */
goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING =
    goog.define('goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING', false);


// MOE:begin_strip
/**
 * Read a flag from the runtime flags object.
 * @param {number} googFlagId Enum ordinal
 * @param {boolean} defaultValue Value to return if the flag is not given
 * @return {boolean}
 */
goog.readFlagInternalDoNotUseOrElse = function(googFlagId, defaultValue) {
  var obj = goog.getObjectByName(goog.FLAGS_OBJECT_);
  var val = obj && obj[googFlagId];
  return val != null ? val : defaultValue;
};


/**
 * Name of the object to look for when looking up runtime flag values.  May be a
 * fully qualified object name (e.g. 'foo.bar').
 * @define {string}
 * @private
 */
goog.FLAGS_OBJECT_ = goog.define('goog.FLAGS_OBJECT', 'CLOSURE_FLAGS');


/**
 * Default value for the STAGING flag.  Defaults to `true`, indicating that
 * flags are enabled by default once they reach the STAGING lifecycle stage.
 * Risk-averse products should set this to `false` in their production builds.
 * This is only necessary for non-Boq products because Boq Web configures this
 * via the goog.flag system by default.
 *
 * @define {boolean}
 */
goog.FLAGS_STAGING_DEFAULT = goog.define('goog.FLAGS_STAGING_DEFAULT', true);
// MOE:end_strip


/**
 * Defines a namespace in Closure.
 *
 * A namespace may only be defined once in a codebase. It may be defined using
 * goog.provide() or goog.module().
 *
 * The presence of one or more goog.provide() calls in a file indicates
 * that the file defines the given objects/namespaces.
 * Provided symbols must not be null or undefined.
 *
 * In addition, goog.provide() creates the object stubs for a namespace
 * (for example, goog.provide("goog.foo.bar") will create the object
 * goog.foo.bar if it does not already exist).
 *
 * Build tools also scan for provide/require/module statements
 * to discern dependencies, build dependency files (see deps.js), etc.
 *
 * @see goog.require
 * @see goog.module
 * @param {string} name Namespace provided by this file in the form
 *     "goog.package.part".
 * deprecated Use goog.module (see b/159289405)
 */
goog.provide = function(name) {
  if (goog.isInModuleLoader_()) {
    throw new Error('goog.provide cannot be used within a module.');
  }
  if (!COMPILED) {
    // Ensure that the same namespace isn't provided twice.
    // A goog.module/goog.provide maps a goog.require to a specific file
    if (goog.isProvided_(name)) {
      throw new Error('Namespace "' + name + '" already declared.');
    }
  }

  goog.constructNamespace_(name);
};


/**
 * @param {string} name Namespace provided by this file in the form
 *     "goog.package.part".
 * @param {?Object=} object The object to embed in the namespace.
 * @param {boolean=} overwriteImplicit If object is set and a previous call
 *     implicitly constructed the namespace given by name, this parameter
 *     controls whether opt_obj should overwrite the implicitly constructed
 *     namespace or be merged into it. Defaults to false.
 * @private
 */
goog.constructNamespace_ = function(name, object, overwriteImplicit) {
  if (!COMPILED) {
    delete goog.implicitNamespaces_[name];

    var namespace = name;
    while ((namespace = namespace.substring(0, namespace.lastIndexOf('.')))) {
      if (goog.getObjectByName(namespace)) {
        break;
      }
      goog.implicitNamespaces_[namespace] = true;
    }
  }

  goog.exportPath_(name, object, overwriteImplicit);
};


/**
 * According to the CSP3 spec a nonce must be a valid base64 string.
 * @see https://www.w3.org/TR/CSP3/#grammardef-base64-value
 * @private @const
 */
goog.NONCE_PATTERN_ = /^[\w+/_-]+[=]{0,2}$/;


/**
 * Returns CSP nonce, if set for any script tag.
 * @param {?Window=} opt_window The window context used to retrieve the nonce.
 *     Defaults to global context.
 * @return {string} CSP nonce or empty string if no nonce is present.
 * @private
 */
goog.getScriptNonce_ = function(opt_window) {
  var doc = (opt_window || goog.global).document;
  var script = doc.querySelector && doc.querySelector('script[nonce]');
  if (script) {
    // Try to get the nonce from the IDL property first, because browsers that
    // implement additional nonce protection features (currently only Chrome) to
    // prevent nonce stealing via CSS do not expose the nonce via attributes.
    // See https://github.com/whatwg/html/issues/2369
    var nonce = script['nonce'] || script.getAttribute('nonce');
    if (nonce && goog.NONCE_PATTERN_.test(nonce)) {
      return nonce;
    }
  }
  return '';
};


/**
 * Module identifier validation regexp.
 * Note: This is a conservative check, it is very possible to be more lenient,
 *   the primary exclusion here is "/" and "\" and a leading ".", these
 *   restrictions are intended to leave the door open for using goog.require
 *   with relative file paths rather than module identifiers.
 * @private
 */
goog.VALID_MODULE_RE_ = /^[a-zA-Z_$][a-zA-Z0-9._$]*$/;


/**
 * Defines a module in Closure.
 *
 * Marks that this file must be loaded as a module and claims the namespace.
 *
 * A namespace may only be defined once in a codebase. It may be defined using
 * goog.provide() or goog.module().
 *
 * goog.module() has three requirements:
 * - goog.module may not be used in the same file as goog.provide.
 * - goog.module must be the first statement in the file.
 * - only one goog.module is allowed per file.
 *
 * When a goog.module annotated file is loaded, it is enclosed in
 * a strict function closure. This means that:
 * - any variables declared in a goog.module file are private to the file
 * (not global), though the compiler is expected to inline the module.
 * - The code must obey all the rules of "strict" JavaScript.
 * - the file will be marked as "use strict"
 *
 * NOTE: unlike goog.provide, goog.module does not declare any symbols by
 * itself. If declared symbols are desired, use
 * goog.module.declareLegacyNamespace().
 *
 * MOE:begin_intracomment_strip
 * See the goog.module announcement at http://go/goog.module-announce
 * MOE:end_intracomment_strip
 *
 * See the public goog.module proposal: http://goo.gl/Va1hin
 *
 * @param {string} name Namespace provided by this file in the form
 *     "goog.package.part", is expected but not required.
 * @return {void}
 */
goog.module = function(name) {
  if (typeof name !== 'string' || !name ||
      name.search(goog.VALID_MODULE_RE_) == -1) {
    throw new Error('Invalid module identifier');
  }
  if (!goog.isInGoogModuleLoader_()) {
    throw new Error(
        'Module ' + name + ' has been loaded incorrectly. Note, ' +
        'modules cannot be loaded as normal scripts. They require some kind of ' +
        'pre-processing step. You\'re likely trying to load a module via a ' +
        'script tag or as a part of a concatenated bundle without rewriting the ' +
        'module. For more info see: ' +
        'https://github.com/google/closure-library/wiki/goog.module:-an-ES6-module-like-alternative-to-goog.provide.');
  }
  if (goog.moduleLoaderState_.moduleName) {
    throw new Error('goog.module may only be called once per module.');
  }

  // Store the module name for the loader.
  goog.moduleLoaderState_.moduleName = name;
  if (!COMPILED) {
    // Ensure that the same namespace isn't provided twice.
    // A goog.module/goog.provide maps a goog.require to a specific file
    if (goog.isProvided_(name)) {
      throw new Error('Namespace "' + name + '" already declared.');
    }
    delete goog.implicitNamespaces_[name];
  }
};


/**
 * @param {string} name The module identifier.
 * @return {?} The module exports for an already loaded module or null.
 *
 * Note: This is not an alternative to goog.require, it does not
 * indicate a hard dependency, instead it is used to indicate
 * an optional dependency or to access the exports of a module
 * that has already been loaded.
 * @suppress {missingProvide}
 */
goog.module.get = function(name) {
  return goog.module.getInternal_(name);
};


/**
 * @param {string} name The module identifier.
 * @return {?} The module exports for an already loaded module or null.
 * @private
 */
goog.module.getInternal_ = function(name) {
  if (!COMPILED) {
    if (name in goog.loadedModules_) {
      return goog.loadedModules_[name].exports;
    } else if (!goog.implicitNamespaces_[name]) {
      var ns = goog.getObjectByName(name);
      return ns != null ? ns : null;
    }
  }
  return null;
};

// MOE:begin_strip
/**
 * Defines dynamic import execution path for uncompiled mode.
 *
 * @param {string} name The module identifier.
 * @return {?} The module exports for an already loaded module or null.
 *
 * NOTE: In compiled code, JsCompiler will transpile this function call.
 * DO NOT OPENSOURCE
 */
goog.requireDynamic = function(name) {
  if (!COMPILED) {
    if (!goog.importHandler_ || !goog.uncompiledChunkIdHandler_) {
      throw new Error('Need to setup import handler and chunk id handler.');
    }
    return goog.importHandler_(goog.uncompiledChunkIdHandler_(name))
        .then(function() {
          return goog.module.getInternal_(name);
        });
  }
  return null;
};


/**
 * Handler for dynamic import.
 * DO NOT OPENSOURCE
 */
goog.importHandler_ = null;


/**
 * Chunk ID calculator.
 * @private {?function(string)}
 * DO NOT OPENSOURCE
 */
goog.uncompiledChunkIdHandler_ = null;


/**
 * Sets import handler.
 * @param {function(string)} fn
 * DO NOT OPENSOURCE
 */
goog.setImportHandlerInternalDoNotCallOrElse = function(fn) {
  goog.importHandler_ = fn;
};


/**
 * Sets chunk ID calculator.
 * @param {function(string)} fn
 * NOTE: The chunk ID calculator is only used in uncompiled mode.
 * DO NOT OPENSOURCE
 */
goog.setUncompiledChunkIdHandlerInternalDoNotCallOrElse = function(fn) {
  goog.uncompiledChunkIdHandler_ = fn;
};
// MOE:end_strip

/**
 * Types of modules the debug loader can load.
 * @enum {string}
 */
goog.ModuleType = {
  ES6: 'es6',
  GOOG: 'goog'
};


/**
 * @private {?{
 *   moduleName: (string|undefined),
 *   declareLegacyNamespace:boolean,
 *   type: ?goog.ModuleType
 * }}
 */
goog.moduleLoaderState_ = null;


/**
 * @private
 * @return {boolean} Whether a goog.module or an es6 module is currently being
 *     initialized.
 */
goog.isInModuleLoader_ = function() {
  return goog.isInGoogModuleLoader_() || goog.isInEs6ModuleLoader_();
};


/**
 * @private
 * @return {boolean} Whether a goog.module is currently being initialized.
 */
goog.isInGoogModuleLoader_ = function() {
  return !!goog.moduleLoaderState_ &&
      goog.moduleLoaderState_.type == goog.ModuleType.GOOG;
};


/**
 * @private
 * @return {boolean} Whether an es6 module is currently being initialized.
 */
goog.isInEs6ModuleLoader_ = function() {
  var inLoader = !!goog.moduleLoaderState_ &&
      goog.moduleLoaderState_.type == goog.ModuleType.ES6;

  if (inLoader) {
    return true;
  }

  var jscomp = goog.global['$jscomp'];

  if (jscomp) {
    // jscomp may not have getCurrentModulePath if this is a compiled bundle
    // that has some of the runtime, but not all of it. This can happen if
    // optimizations are turned on so the unused runtime is removed but renaming
    // and Closure pass are off (so $jscomp is still named $jscomp and the
    // goog.provide/require calls still exist).
    if (typeof jscomp.getCurrentModulePath != 'function') {
      return false;
    }

    // Bundled ES6 module.
    return !!jscomp.getCurrentModulePath();
  }

  return false;
};


/**
 * Provide the module's exports as a globally accessible object under the
 * module's declared name.  This is intended to ease migration to goog.module
 * for files that have existing usages.
 * @suppress {missingProvide}
 */
goog.module.declareLegacyNamespace = function() {
  if (!COMPILED && !goog.isInGoogModuleLoader_()) {
    throw new Error(
        'goog.module.declareLegacyNamespace must be called from ' +
        'within a goog.module');
  }
  if (!COMPILED && !goog.moduleLoaderState_.moduleName) {
    throw new Error(
        'goog.module must be called prior to ' +
        'goog.module.declareLegacyNamespace.');
  }
  goog.moduleLoaderState_.declareLegacyNamespace = true;
};


/**
 * Associates an ES6 module with a Closure module ID so that is available via
 * goog.require. The associated ID  acts like a goog.module ID - it does not
 * create any global names, it is merely available via goog.require /
 * goog.module.get / goog.forwardDeclare / goog.requireType. goog.require and
 * goog.module.get will return the entire module as if it was import *'d. This
 * allows Closure files to reference ES6 modules for the sake of migration.
 *
 * @param {string} namespace
 * @suppress {missingProvide}
 */
goog.declareModuleId = function(namespace) {
  if (!COMPILED) {
    if (!goog.isInEs6ModuleLoader_()) {
      throw new Error(
          'goog.declareModuleId may only be called from ' +
          'within an ES6 module');
    }
    if (goog.moduleLoaderState_ && goog.moduleLoaderState_.moduleName) {
      throw new Error(
          'goog.declareModuleId may only be called once per module.');
    }
    if (namespace in goog.loadedModules_) {
      throw new Error(
          'Module with namespace "' + namespace + '" already exists.');
    }
  }
  if (goog.moduleLoaderState_) {
    // Not bundled - debug loading.
    goog.moduleLoaderState_.moduleName = namespace;
  } else {
    // Bundled - not debug loading, no module loader state.
    var jscomp = goog.global['$jscomp'];
    if (!jscomp || typeof jscomp.getCurrentModulePath != 'function') {
      throw new Error(
          'Module with namespace "' + namespace +
          '" has been loaded incorrectly.');
    }
    var exports = jscomp.require(jscomp.getCurrentModulePath());
    goog.loadedModules_[namespace] = {
      exports: exports,
      type: goog.ModuleType.ES6,
      moduleId: namespace
    };
  }
};


/**
 * Marks that the current file should only be used for testing, and never for
 * live code in production.
 *
 * In the case of unit tests, the message may optionally be an exact namespace
 * for the test (e.g. 'goog.stringTest'). The linter will then ignore the extra
 * provide (if not explicitly defined in the code).
 *
 * @param {string=} opt_message Optional message to add to the error that's
 *     raised when used in production code.
 */
goog.setTestOnly = function(opt_message) {
  if (goog.DISALLOW_TEST_ONLY_CODE) {
    opt_message = opt_message || '';
    throw new Error(
        'Importing test-only code into non-debug environment' +
        (opt_message ? ': ' + opt_message : '.'));
  }
};


/**
 * Forward declares a symbol. This is an indication to the compiler that the
 * symbol may be used in the source yet is not required and may not be provided
 * in compilation.
 *
 * The most common usage of forward declaration is code that takes a type as a
 * function parameter but does not need to require it. By forward declaring
 * instead of requiring, no hard dependency is made, and (if not required
 * elsewhere) the namespace may never be required and thus, not be pulled
 * into the JavaScript binary. If it is required elsewhere, it will be type
 * checked as normal.
 *
 * Before using goog.forwardDeclare, please read the documentation at
 * https://github.com/google/closure-compiler/wiki/Bad-Type-Annotation to
 * understand the options and tradeoffs when working with forward declarations.
 *
 * @param {string} name The namespace to forward declare in the form of
 *     "goog.package.part".
 * @deprecated See go/noforwarddeclaration, Use `goog.requireType` instead.
 */
goog.forwardDeclare = function(name) {};


/**
 * Forward declare type information. Used to assign types to goog.global
 * referenced object that would otherwise result in unknown type references
 * and thus block property disambiguation.
 */
goog.forwardDeclare('Document');
goog.forwardDeclare('HTMLScriptElement');
goog.forwardDeclare('XMLHttpRequest');


if (!COMPILED) {
  /**
   * Check if the given name has been goog.provided. This will return false for
   * names that are available only as implicit namespaces.
   * @param {string} name name of the object to look for.
   * @return {boolean} Whether the name has been provided.
   * @private
   */
  goog.isProvided_ = function(name) {
    return (name in goog.loadedModules_) ||
        (!goog.implicitNamespaces_[name] && goog.getObjectByName(name) != null);
  };

  /**
   * Namespaces implicitly defined by goog.provide. For example,
   * goog.provide('goog.events.Event') implicitly declares that 'goog' and
   * 'goog.events' must be namespaces.
   *
   * @type {!Object<string, (boolean|undefined)>}
   * @private
   */
  goog.implicitNamespaces_ = {'goog.module': true};

  // NOTE: We add goog.module as an implicit namespace as goog.module is defined
  // here and because the existing module package has not been moved yet out of
  // the goog.module namespace. This satisifies both the debug loader and
  // ahead-of-time dependency management.
}


/**
 * Returns an object based on its fully qualified external name.  The object
 * is not found if null or undefined.  If you are using a compilation pass that
 * renames property names beware that using this function will not find renamed
 * properties.
 *
 * @param {string} name The fully qualified name.
 * @param {Object=} opt_obj The object within which to look; default is
 *     |goog.global|.
 * @return {?} The value (object or primitive) or, if not found, null.
 */
goog.getObjectByName = function(name, opt_obj) {
  var parts = name.split('.');
  var cur = opt_obj || goog.global;
  for (var i = 0; i < parts.length; i++) {
    cur = cur[parts[i]];
    if (cur == null) {
      return null;
    }
  }
  return cur;
};


/**
 * Adds a dependency from a file to the files it requires.
 * @param {string} relPath The path to the js file.
 * @param {!Array<string>} provides An array of strings with
 *     the names of the objects this file provides.
 * @param {!Array<string>} requires An array of strings with
 *     the names of the objects this file requires.
 * @param {boolean|!Object<string>=} opt_loadFlags Parameters indicating
 *     how the file must be loaded.  The boolean 'true' is equivalent
 *     to {'module': 'goog'} for backwards-compatibility.  Valid properties
 *     and values include {'module': 'goog'} and {'lang': 'es6'}.
 */
goog.addDependency = function(relPath, provides, requires, opt_loadFlags) {
  if (!COMPILED && goog.DEPENDENCIES_ENABLED) {
    goog.debugLoader_.addDependency(relPath, provides, requires, opt_loadFlags);
  }
};


// NOTE(nnaze): The debug DOM loader was included in base.js as an original way
// to do "debug-mode" development.  The dependency system can sometimes be
// confusing, as can the debug DOM loader's asynchronous nature.
//
// With the DOM loader, a call to goog.require() is not blocking -- the script
// will not load until some point after the current script.  If a namespace is
// needed at runtime, it needs to be defined in a previous script, or loaded via
// require() with its registered dependencies.
//
// User-defined namespaces may need their own deps file. For a reference on
// creating a deps file, see:
// MOE:begin_strip
// Internally: http://go/deps-files and http://go/be#js_deps
// MOE:end_strip
// Externally: https://developers.google.com/closure/library/docs/depswriter
//
// Because of legacy clients, the DOM loader can't be easily removed from
// base.js.  Work was done to make it disableable or replaceable for
// different environments (DOM-less JavaScript interpreters like Rhino or V8,
// for example). See bootstrap/ for more information.


/**
 * @define {boolean} Whether to enable the debug loader.
 *
 * If enabled, a call to goog.require() will attempt to load the namespace by
 * appending a script tag to the DOM (if the namespace has been registered).
 *
 * If disabled, goog.require() will simply assert that the namespace has been
 * provided (and depend on the fact that some outside tool correctly ordered
 * the script).
 */
goog.ENABLE_DEBUG_LOADER = goog.define('goog.ENABLE_DEBUG_LOADER', true);


/**
 * @param {string} msg
 * @private
 */
goog.logToConsole_ = function(msg) {
  if (goog.global.console) {
    goog.global.console['error'](msg);
  }
};


/**
 * Implements a system for the dynamic resolution of dependencies that works in
 * parallel with the BUILD system.
 *
 * Note that all calls to goog.require will be stripped by the compiler.
 *
 * @see goog.provide
 * @param {string} namespace Namespace (as was given in goog.provide,
 *     goog.module, or goog.declareModuleId) in the form
 *     "goog.package.part".
 * @return {?} If called within a goog.module or ES6 module file, the associated
 *     namespace or module otherwise null.
 */
goog.require = function(namespace) {
  if (!COMPILED) {
    // Might need to lazy load on old IE.
    if (goog.ENABLE_DEBUG_LOADER) {
      goog.debugLoader_.requested(namespace);
    }

    // If the object already exists we do not need to do anything.
    if (goog.isProvided_(namespace)) {
      if (goog.isInModuleLoader_()) {
        return goog.module.getInternal_(namespace);
      }
    } else if (goog.ENABLE_DEBUG_LOADER) {
      var moduleLoaderState = goog.moduleLoaderState_;
      goog.moduleLoaderState_ = null;
      try {
        goog.debugLoader_.load_(namespace);
      } finally {
        goog.moduleLoaderState_ = moduleLoaderState;
      }
    }

    return null;
  }
};


/**
 * Requires a symbol for its type information. This is an indication to the
 * compiler that the symbol may appear in type annotations, yet it is not
 * referenced at runtime.
 *
 * When called within a goog.module or ES6 module file, the return value may be
 * assigned to or destructured into a variable, but it may not be otherwise used
 * in code outside of a type annotation.
 *
 * Note that all calls to goog.requireType will be stripped by the compiler.
 *
 * @param {string} namespace Namespace (as was given in goog.provide,
 *     goog.module, or goog.declareModuleId) in the form
 *     "goog.package.part".
 * @return {?}
 */
goog.requireType = function(namespace) {
  // Return an empty object so that single-level destructuring of the return
  // value doesn't crash at runtime when using the debug loader. Multi-level
  // destructuring isn't supported.
  return {};
};


/**
 * Path for included scripts.
 * @type {string}
 */
goog.basePath = '';


/**
 * A hook for overriding the base path.
 * @type {string|undefined}
 */
goog.global.CLOSURE_BASE_PATH;


/**
 * Whether to attempt to load Closure's deps file. By default, when uncompiled,
 * deps files will attempt to be loaded.
 * @type {boolean|undefined}
 */
goog.global.CLOSURE_NO_DEPS;


/**
 * A function to import a single script. This is meant to be overridden when
 * Closure is being run in non-HTML contexts, such as web workers. It's defined
 * in the global scope so that it can be set before base.js is loaded, which
 * allows deps.js to be imported properly.
 *
 * The first parameter the script source, which is a relative URI. The second,
 * optional parameter is the script contents, in the event the script needed
 * transformation. It should return true if the script was imported, false
 * otherwise.
 * @type {(function(string, string=): boolean)|undefined}
 */
goog.global.CLOSURE_IMPORT_SCRIPT;


/**
 * When defining a class Foo with an abstract method bar(), you can do:
 * Foo.prototype.bar = goog.abstractMethod
 *
 * Now if a subclass of Foo fails to override bar(), an error will be thrown
 * when bar() is invoked.
 *
 * @type {!Function}
 * @throws {Error} when invoked to indicate the method should be overridden.
 * @deprecated Use "@abstract" annotation instead of goog.abstractMethod in new
 *     code. See
 *     https://github.com/google/closure-compiler/wiki/@abstract-classes-and-methods
 */
goog.abstractMethod = function() {
  throw new Error('unimplemented abstract method');
};


/**
 * Adds a `getInstance` static method that always returns the same
 * instance object.
 * @param {!Function} ctor The constructor for the class to add the static
 *     method to.
 * @suppress {missingProperties} 'instance_' isn't a property on 'Function'
 *     but we don't have a better type to use here.
 */
goog.addSingletonGetter = function(ctor) {
  // instance_ is immediately set to prevent issues with sealed constructors
  // such as are encountered when a constructor is returned as the export object
  // of a goog.module in unoptimized code.
  // Delcare type to avoid conformance violations that ctor.instance_ is unknown
  /** @type {undefined|!Object} @suppress {underscore} */
  ctor.instance_ = undefined;
  ctor.getInstance = function() {
    if (ctor.instance_) {
      return ctor.instance_;
    }
    if (goog.DEBUG) {
      // NOTE: JSCompiler can't optimize away Array#push.
      goog.instantiatedSingletons_[goog.instantiatedSingletons_.length] = ctor;
    }
    // Cast to avoid conformance violations that ctor.instance_ is unknown
    return /** @type {!Object|undefined} */ (ctor.instance_) = new ctor;
  };
};


/**
 * All singleton classes that have been instantiated, for testing. Don't read
 * it directly, use the `goog.testing.singleton` module. The compiler
 * removes this variable if unused.
 * @type {!Array<!Function>}
 * @private
 */
goog.instantiatedSingletons_ = [];


/**
 * @define {boolean} Whether to load goog.modules using `eval` when using
 * the debug loader.  This provides a better debugging experience as the
 * source is unmodified and can be edited using Chrome Workspaces or similar.
 * However in some environments the use of `eval` is banned
 * so we provide an alternative.
 */
goog.LOAD_MODULE_USING_EVAL = goog.define('goog.LOAD_MODULE_USING_EVAL', true);


/**
 * @define {boolean} Whether the exports of goog.modules should be sealed when
 * possible.
 */
goog.SEAL_MODULE_EXPORTS = goog.define('goog.SEAL_MODULE_EXPORTS', goog.DEBUG);


/**
 * The registry of initialized modules:
 * The module identifier or path to module exports map.
 * @private @const {!Object<string, {exports:?,type:string,moduleId:string}>}
 */
goog.loadedModules_ = {};


/**
 * True if the debug loader enabled and used.
 * @const {boolean}
 */
goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER;


/**
 * @define {string} How to decide whether to transpile.  Valid values
 * are 'always', 'never', and 'detect'.  The default ('detect') is to
 * use feature detection to determine which language levels need
 * transpilation.
 */
// NOTE(sdh): we could expand this to accept a language level to bypass
// detection: e.g. goog.TRANSPILE == 'es5' would transpile ES6 files but
// would leave ES3 and ES5 files alone.
goog.TRANSPILE = goog.define('goog.TRANSPILE', 'detect');

/**
 * @define {boolean} If true assume that ES modules have already been
 * transpiled by the jscompiler (in the same way that transpile.js would
 * transpile them - to jscomp modules). Useful only for servers that wish to use
 * the debug loader and transpile server side. Thus this is only respected if
 * goog.TRANSPILE is "never".
 */
goog.ASSUME_ES_MODULES_TRANSPILED =
    goog.define('goog.ASSUME_ES_MODULES_TRANSPILED', false);


/**
 * @define {string} Trusted Types policy name. If non-empty then Closure will
 * use Trusted Types.
 */
goog.TRUSTED_TYPES_POLICY_NAME =
    goog.define('goog.TRUSTED_TYPES_POLICY_NAME', 'goog');


/**
 * @package {?boolean}
 * Visible for testing.
 */
goog.hasBadLetScoping = null;


/**
 * @param {function(?):?|string} moduleDef The module definition.
 */
goog.loadModule = function(moduleDef) {
  // NOTE: we allow function definitions to be either in the from
  // of a string to eval (which keeps the original source intact) or
  // in a eval forbidden environment (CSP) we allow a function definition
  // which in its body must call `goog.module`, and return the exports
  // of the module.
  var previousState = goog.moduleLoaderState_;
  try {
    goog.moduleLoaderState_ = {
      moduleName: '',
      declareLegacyNamespace: false,
      type: goog.ModuleType.GOOG
    };
    var origExports = {};
    var exports = origExports;
    if (typeof moduleDef === 'function') {
      exports = moduleDef.call(undefined, exports);
    } else if (typeof moduleDef === 'string') {
      exports = goog.loadModuleFromSource_.call(undefined, exports, moduleDef);
    } else {
      throw new Error('Invalid module definition');
    }

    var moduleName = goog.moduleLoaderState_.moduleName;
    if (typeof moduleName === 'string' && moduleName) {
      // Don't seal legacy namespaces as they may be used as a parent of
      // another namespace
      if (goog.moduleLoaderState_.declareLegacyNamespace) {
        // Whether exports was overwritten via default export assignment.
        // This is important for legacy namespaces as it dictates whether
        // previously a previously loaded implicit namespace should be clobbered
        // or not.
        var isDefaultExport = origExports !== exports;
        goog.constructNamespace_(moduleName, exports, isDefaultExport);
      } else if (
          goog.SEAL_MODULE_EXPORTS && Object.seal &&
          typeof exports == 'object' && exports != null) {
        Object.seal(exports);
      }

      var data = {
        exports: exports,
        type: goog.ModuleType.GOOG,
        moduleId: goog.moduleLoaderState_.moduleName
      };
      goog.loadedModules_[moduleName] = data;
    } else {
      throw new Error('Invalid module name \"' + moduleName + '\"');
    }
  } finally {
    goog.moduleLoaderState_ = previousState;
  }
};


/**
 * @private @const
 */
goog.loadModuleFromSource_ =
    /** @type {function(!Object, string):?} */ (function(exports) {
      // NOTE: we avoid declaring parameters or local variables here to avoid
      // masking globals or leaking values into the module definition.
      'use strict';
      eval(goog.CLOSURE_EVAL_PREFILTER_.createScript(arguments[1]));
      return exports;
    });


/**
 * Normalize a file path by removing redundant ".." and extraneous "." file
 * path components.
 * @param {string} path
 * @return {string}
 * @private
 */
goog.normalizePath_ = function(path) {
  var components = path.split('/');
  var i = 0;
  while (i < components.length) {
    if (components[i] == '.') {
      components.splice(i, 1);
    } else if (
        i && components[i] == '..' && components[i - 1] &&
        components[i - 1] != '..') {
      components.splice(--i, 2);
    } else {
      i++;
    }
  }
  return components.join('/');
};


/**
 * Provides a hook for loading a file when using Closure's goog.require() API
 * with goog.modules.  In particular this hook is provided to support Node.js.
 *
 * @type {(function(string):string)|undefined}
 */
goog.global.CLOSURE_LOAD_FILE_SYNC;


/**
 * Loads file by synchronous XHR. Should not be used in production environments.
 * @param {string} src Source URL.
 * @return {?string} File contents, or null if load failed.
 * @private
 */
goog.loadFileSync_ = function(src) {
  if (goog.global.CLOSURE_LOAD_FILE_SYNC) {
    return goog.global.CLOSURE_LOAD_FILE_SYNC(src);
  } else {
    try {
      /** @type {XMLHttpRequest} */
      var xhr = new goog.global['XMLHttpRequest']();
      xhr.open('get', src, false);
      xhr.send();
      // NOTE: Successful http: requests have a status of 200, but successful
      // file: requests may have a status of zero.  Any other status, or a
      // thrown exception (particularly in case of file: requests) indicates
      // some sort of error, which we treat as a missing or unavailable file.
      return xhr.status == 0 || xhr.status == 200 ? xhr.responseText : null;
    } catch (err) {
      // No need to rethrow or log, since errors should show up on their own.
      return null;
    }
  }
};

//==============================================================================
// Language Enhancements
//==============================================================================


/**
 * This is a "fixed" version of the typeof operator.  It differs from the typeof
 * operator in such a way that null returns 'null' and arrays return 'array'.
 * @param {?} value The value to get the type of.
 * @return {string} The name of the type.
 */
goog.typeOf = function(value) {
  var s = typeof value;

  if (s != 'object') {
    return s;
  }

  if (!value) {
    return 'null';
  }

  if (Array.isArray(value)) {
    return 'array';
  }
  return s;
};


/**
 * Returns true if the object looks like an array. To qualify as array like
 * the value needs to be either a NodeList or an object with a Number length
 * property. Note that for this function neither strings nor functions are
 * considered "array-like".
 *
 * @param {?} val Variable to test.
 * @return {boolean} Whether variable is an array.
 */
goog.isArrayLike = function(val) {
  var type = goog.typeOf(val);
  // We do not use goog.isObject here in order to exclude function values.
  return type == 'array' || type == 'object' && typeof val.length == 'number';
};


/**
 * Returns true if the object looks like a Date. To qualify as Date-like the
 * value needs to be an object and have a getFullYear() function.
 * @param {?} val Variable to test.
 * @return {boolean} Whether variable is a like a Date.
 */
goog.isDateLike = function(val) {
  return goog.isObject(val) && typeof val.getFullYear == 'function';
};


/**
 * Returns true if the specified value is an object.  This includes arrays and
 * functions.
 * @param {?} val Variable to test.
 * @return {boolean} Whether variable is an object.
 */
goog.isObject = function(val) {
  var type = typeof val;
  return type == 'object' && val != null || type == 'function';
  // return Object(val) === val also works, but is slower, especially if val is
  // not an object.
};


/**
 * Gets a unique ID for an object. This mutates the object so that further calls
 * with the same object as a parameter returns the same value. The unique ID is
 * guaranteed to be unique across the current session amongst objects that are
 * passed into `getUid`. There is no guarantee that the ID is unique or
 * consistent across sessions. It is unsafe to generate unique ID for function
 * prototypes.
 *
 * @param {Object} obj The object to get the unique ID for.
 * @return {number} The unique ID for the object.
 */
goog.getUid = function(obj) {
  // TODO(arv): Make the type stricter, do not accept null.
  return Object.prototype.hasOwnProperty.call(obj, goog.UID_PROPERTY_) &&
      obj[goog.UID_PROPERTY_] ||
      (obj[goog.UID_PROPERTY_] = ++goog.uidCounter_);
};


/**
 * Whether the given object is already assigned a unique ID.
 *
 * This does not modify the object.
 *
 * @param {!Object} obj The object to check.
 * @return {boolean} Whether there is an assigned unique id for the object.
 */
goog.hasUid = function(obj) {
  return !!obj[goog.UID_PROPERTY_];
};


/**
 * Removes the unique ID from an object. This is useful if the object was
 * previously mutated using `goog.getUid` in which case the mutation is
 * undone.
 * @param {Object} obj The object to remove the unique ID field from.
 */
goog.removeUid = function(obj) {
  // TODO(arv): Make the type stricter, do not accept null.

  // In IE, DOM nodes are not instances of Object and throw an exception if we
  // try to delete.  Instead we try to use removeAttribute.
  if (obj !== null && 'removeAttribute' in obj) {
    obj.removeAttribute(goog.UID_PROPERTY_);
  }

  try {
    delete obj[goog.UID_PROPERTY_];
  } catch (ex) {
  }
};


/**
 * Name for unique ID property. Initialized in a way to help avoid collisions
 * with other closure JavaScript on the same page.
 * @type {string}
 * @private
 */
goog.UID_PROPERTY_ = 'closure_uid_' + ((Math.random() * 1e9) >>> 0);


/**
 * Counter for UID.
 * @type {number}
 * @private
 */
goog.uidCounter_ = 0;


/**
 * Clones a value. The input may be an Object, Array, or basic type. Objects and
 * arrays will be cloned recursively.
 *
 * WARNINGS:
 * <code>goog.cloneObject</code> does not detect reference loops. Objects that
 * refer to themselves will cause infinite recursion.
 *
 * <code>goog.cloneObject</code> is unaware of unique identifiers, and copies
 * UIDs created by <code>getUid</code> into cloned results.
 *
 * @param {*} obj The value to clone.
 * @return {*} A clone of the input value.
 * @deprecated goog.cloneObject is unsafe. Prefer the goog.object methods.
 */
goog.cloneObject = function(obj) {
  var type = goog.typeOf(obj);
  if (type == 'object' || type == 'array') {
    if (typeof obj.clone === 'function') {
      return obj.clone();
    }
    if (typeof Map !== 'undefined' && obj instanceof Map) {
      return new Map(obj);
    } else if (typeof Set !== 'undefined' && obj instanceof Set) {
      return new Set(obj);
    }
    var clone = type == 'array' ? [] : {};
    for (var key in obj) {
      clone[key] = goog.cloneObject(obj[key]);
    }
    return clone;
  }

  return obj;
};


/**
 * A native implementation of goog.bind.
 * @param {?function(this:T, ...)} fn A function to partially apply.
 * @param {T} selfObj Specifies the object which this should point to when the
 *     function is run.
 * @param {...*} var_args Additional arguments that are partially applied to the
 *     function.
 * @return {!Function} A partially-applied form of the function goog.bind() was
 *     invoked as a method of.
 * @template T
 * @private
 */
goog.bindNative_ = function(fn, selfObj, var_args) {
  return /** @type {!Function} */ (fn.call.apply(fn.bind, arguments));
};


/**
 * A pure-JS implementation of goog.bind.
 * @param {?function(this:T, ...)} fn A function to partially apply.
 * @param {T} selfObj Specifies the object which this should point to when the
 *     function is run.
 * @param {...*} var_args Additional arguments that are partially applied to the
 *     function.
 * @return {!Function} A partially-applied form of the function goog.bind() was
 *     invoked as a method of.
 * @template T
 * @private
 */
goog.bindJs_ = function(fn, selfObj, var_args) {
  if (!fn) {
    throw new Error();
  }

  if (arguments.length > 2) {
    var boundArgs = Array.prototype.slice.call(arguments, 2);
    return function() {
      // Prepend the bound arguments to the current arguments.
      var newArgs = Array.prototype.slice.call(arguments);
      Array.prototype.unshift.apply(newArgs, boundArgs);
      return fn.apply(selfObj, newArgs);
    };

  } else {
    return function() {
      return fn.apply(selfObj, arguments);
    };
  }
};


/**
 * Partially applies this function to a particular 'this object' and zero or
 * more arguments. The result is a new function with some arguments of the first
 * function pre-filled and the value of this 'pre-specified'.
 *
 * Remaining arguments specified at call-time are appended to the pre-specified
 * ones.
 *
 * Also see: {@link #partial}.
 *
 * Usage:
 * <pre>var barMethBound = goog.bind(myFunction, myObj, 'arg1', 'arg2');
 * barMethBound('arg3', 'arg4');</pre>
 *
 * @param {?function(this:T, ...)} fn A function to partially apply.
 * @param {T} selfObj Specifies the object which this should point to when the
 *     function is run.
 * @param {...*} var_args Additional arguments that are partially applied to the
 *     function.
 * @return {!Function} A partially-applied form of the function goog.bind() was
 *     invoked as a method of.
 * @template T
 * @suppress {deprecated} See above.
 * @deprecated use `=> {}` or Function.prototype.bind instead.
 */
goog.bind = function(fn, selfObj, var_args) {
  // TODO(nicksantos): narrow the type signature.
  if (Function.prototype.bind &&
      // NOTE(nicksantos): Somebody pulled base.js into the default Chrome
      // extension environment. This means that for Chrome extensions, they get
      // the implementation of Function.prototype.bind that calls goog.bind
      // instead of the native one. Even worse, we don't want to introduce a
      // circular dependency between goog.bind and Function.prototype.bind, so
      // we have to hack this to make sure it works correctly.
      Function.prototype.bind.toString().indexOf('native code') != -1) {
    goog.bind = goog.bindNative_;
  } else {
    goog.bind = goog.bindJs_;
  }
  return goog.bind.apply(null, arguments);
};


/**
 * Like goog.bind(), except that a 'this object' is not required. Useful when
 * the target function is already bound.
 *
 * Usage:
 * var g = goog.partial(f, arg1, arg2);
 * g(arg3, arg4);
 *
 * @param {Function} fn A function to partially apply.
 * @param {...*} var_args Additional arguments that are partially applied to fn.
 * @return {!Function} A partially-applied form of the function goog.partial()
 *     was invoked as a method of.
 */
goog.partial = function(fn, var_args) {
  var args = Array.prototype.slice.call(arguments, 1);
  return function() {
    // Clone the array (with slice()) and append additional arguments
    // to the existing arguments.
    var newArgs = args.slice();
    newArgs.push.apply(newArgs, arguments);
    return fn.apply(/** @type {?} */ (this), newArgs);
  };
};


/**
 * @return {number} An integer value representing the number of milliseconds
 *     between midnight, January 1, 1970 and the current time.
 * @deprecated Use Date.now
 */
goog.now = function() {
  return Date.now();
};


/**
 * Evals JavaScript in the global scope.
 *
 * Throws an exception if neither execScript or eval is defined.
 * @param {string|!TrustedScript} script JavaScript string.
 */
goog.globalEval = function(script) {
  (0, eval)(script);
};


/**
 * Optional map of CSS class names to obfuscated names used with
 * goog.getCssName().
 * @private {!Object<string, string>|undefined}
 * @see goog.setCssNameMapping
 */
goog.cssNameMapping_;


/**
 * Optional obfuscation style for CSS class names. Should be set to either
 * 'BY_WHOLE' or 'BY_PART' if defined.
 * @type {string|undefined}
 * @private
 * @see goog.setCssNameMapping
 */
goog.cssNameMappingStyle_;



/**
 * A hook for modifying the default behavior goog.getCssName. The function
 * if present, will receive the standard output of the goog.getCssName as
 * its input.
 *
 * @type {(function(string):string)|undefined}
 */
goog.global.CLOSURE_CSS_NAME_MAP_FN;


/**
 * Handles strings that are intended to be used as CSS class names.
 *
 * This function works in tandem with @see goog.setCssNameMapping.
 *
 * Without any mapping set, the arguments are simple joined with a hyphen and
 * passed through unaltered.
 *
 * When there is a mapping, there are two possible styles in which these
 * mappings are used. In the BY_PART style, each part (i.e. in between hyphens)
 * of the passed in css name is rewritten according to the map. In the BY_WHOLE
 * style, the full css name is looked up in the map directly. If a rewrite is
 * not specified by the map, the compiler will output a warning.
 *
 * When the mapping is passed to the compiler, it will replace calls to
 * goog.getCssName with the strings from the mapping, e.g.
 *     var x = goog.getCssName('foo');
 *     var y = goog.getCssName(this.baseClass, 'active');
 *  becomes:
 *     var x = 'foo';
 *     var y = this.baseClass + '-active';
 *
 * If one argument is passed it will be processed, if two are passed only the
 * modifier will be processed, as it is assumed the first argument was generated
 * as a result of calling goog.getCssName.
 *
 * @param {string} className The class name.
 * @param {string=} opt_modifier A modifier to be appended to the class name.
 * @return {string} The class name or the concatenation of the class name and
 *     the modifier.
 */
goog.getCssName = function(className, opt_modifier) {
  // String() is used for compatibility with compiled soy where the passed
  // className can be non-string objects.
  if (String(className).charAt(0) == '.') {
    throw new Error(
        'className passed in goog.getCssName must not start with ".".' +
        ' You passed: ' + className);
  }

  var getMapping = function(cssName) {
    return goog.cssNameMapping_[cssName] || cssName;
  };

  var renameByParts = function(cssName) {
    // Remap all the parts individually.
    var parts = cssName.split('-');
    var mapped = [];
    for (var i = 0; i < parts.length; i++) {
      mapped.push(getMapping(parts[i]));
    }
    return mapped.join('-');
  };

  var rename;
  if (goog.cssNameMapping_) {
    rename =
        goog.cssNameMappingStyle_ == 'BY_WHOLE' ? getMapping : renameByParts;
  } else {
    rename = function(a) {
      return a;
    };
  }

  var result =
      opt_modifier ? className + '-' + rename(opt_modifier) : rename(className);

  // The special CLOSURE_CSS_NAME_MAP_FN allows users to specify further
  // processing of the class name.
  if (goog.global.CLOSURE_CSS_NAME_MAP_FN) {
    return goog.global.CLOSURE_CSS_NAME_MAP_FN(result);
  }

  return result;
};


/**
 * Sets the map to check when returning a value from goog.getCssName(). Example:
 * <pre>
 * goog.setCssNameMapping({
 *   "goog": "a",
 *   "disabled": "b",
 * });
 *
 * var x = goog.getCssName('goog');
 * // The following evaluates to: "a a-b".
 * goog.getCssName('goog') + ' ' + goog.getCssName(x, 'disabled')
 * </pre>
 * When declared as a map of string literals to string literals, the JSCompiler
 * will replace all calls to goog.getCssName() using the supplied map if the
 * --process_closure_primitives flag is set.
 *
 * @param {!Object} mapping A map of strings to strings where keys are possible
 *     arguments to goog.getCssName() and values are the corresponding values
 *     that should be returned.
 * @param {string=} opt_style The style of css name mapping. There are two valid
 *     options: 'BY_PART', and 'BY_WHOLE'.
 * @see goog.getCssName for a description.
 */
goog.setCssNameMapping = function(mapping, opt_style) {
  goog.cssNameMapping_ = mapping;
  goog.cssNameMappingStyle_ = opt_style;
};


/**
 * To use CSS renaming in compiled mode, one of the input files should have a
 * call to goog.setCssNameMapping() with an object literal that the JSCompiler
 * can extract and use to replace all calls to goog.getCssName(). In uncompiled
 * mode, JavaScript code should be loaded before this base.js file that declares
 * a global variable, CLOSURE_CSS_NAME_MAPPING, which is used below. This is
 * to ensure that the mapping is loaded before any calls to goog.getCssName()
 * are made in uncompiled mode.
 *
 * A hook for overriding the CSS name mapping.
 * @type {!Object<string, string>|undefined}
 */
goog.global.CLOSURE_CSS_NAME_MAPPING;


if (!COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING) {
  // This does not call goog.setCssNameMapping() because the JSCompiler
  // requires that goog.setCssNameMapping() be called with an object literal.
  goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING;
}

/**
 * Options bag type for `goog.getMsg()` third argument.
 *
 * It is important to note that these options need to be known at compile time,
 * so they must always be provided to `goog.getMsg()` as an actual object
 * literal in the function call. Otherwise, closure-compiler will report an
 * error.
 * @record
 */
goog.GetMsgOptions = function() {};

/**
 * If `true`, escape '<' in the message string to '&lt;'.
 *
 * Used by Closure Templates where the generated code size and performance is
 * critical which is why {@link goog.html.SafeHtmlFormatter} is not used.
 * The value must be literal `true` or `false`.
 * @type {boolean|undefined}
 */
goog.GetMsgOptions.prototype.html;

/**
 * If `true`, unescape common html entities: &gt;, &lt;, &apos;, &quot; and
 * &amp;.
 *
 * Used for messages not in HTML context, such as with the `textContent`
 * property.
 * The value must be literal `true` or `false`.
 * @type {boolean|undefined}
 */
goog.GetMsgOptions.prototype.unescapeHtmlEntities;

/**
 * Associates placeholder names with strings showing how their values are
 * obtained.
 *
 * This field is intended for use in automatically generated JS code.
 * Human-written code should use meaningful placeholder names instead.
 *
 * closure-compiler uses this as the contents of the `<ph>` tag in the
 * XMB file it generates or defaults to `-` for historical reasons.
 *
 * Must be an object literal.
 * Ignored at runtime.
 * Keys are placeholder names.
 * Values are string literals indicating how the value is obtained.
 * Typically this is a snippet of source code.
 * @type {!Object<string, string>|undefined}
 */
goog.GetMsgOptions.prototype.original_code;

/**
 * Associates placeholder names with example values.
 *
 * closure-compiler uses this as the contents of the `<ex>` tag in the
 * XMB file it generates or defaults to `-` for historical reasons.
 *
 * Must be an object literal.
 * Ignored at runtime.
 * Keys are placeholder names.
 * Values are string literals containing example placeholder values.
 * (e.g. "George McFly" for a name placeholder)
 * @type {!Object<string, string>|undefined}
 */
goog.GetMsgOptions.prototype.example;

/**
 * Gets a localized message.
 *
 * This function is a compiler primitive. If you give the compiler a localized
 * message bundle, it will replace the string at compile-time with a localized
 * version, and expand goog.getMsg call to a concatenated string.
 *
 * Messages must be initialized in the form:
 * <code>
 * var MSG_NAME = goog.getMsg('Hello {$placeholder}', {'placeholder': 'world'});
 * </code>
 *
 * This function produces a string which should be treated as plain text. Use
 * {@link goog.html.SafeHtmlFormatter} in conjunction with goog.getMsg to
 * produce SafeHtml.
 *
 * @param {string} str Translatable string, places holders in the form {$foo}.
 * @param {!Object<string, string>=} opt_values Maps place holder name to value.
 * @param {!goog.GetMsgOptions=} opt_options see `goog.GetMsgOptions`
 * @return {string} message with placeholders filled.
 */
goog.getMsg = function(str, opt_values, opt_options) {
  if (opt_options && opt_options.html) {
    // Note that '&' is not replaced because the translation can contain HTML
    // entities.
    str = str.replace(/</g, '&lt;');
  }
  if (opt_options && opt_options.unescapeHtmlEntities) {
    // Note that "&amp;" must be the last to avoid "creating" new entities.
    str = str.replace(/&lt;/g, '<')
              .replace(/&gt;/g, '>')
              .replace(/&apos;/g, '\'')
              .replace(/&quot;/g, '"')
              .replace(/&amp;/g, '&');
  }
  if (opt_values) {
    str = str.replace(/\{\$([^}]+)}/g, function(match, key) {
      return (opt_values != null && key in opt_values) ? opt_values[key] :
                                                         match;
    });
  }
  return str;
};


/**
 * Gets a localized message. If the message does not have a translation, gives a
 * fallback message.
 *
 * This is useful when introducing a new message that has not yet been
 * translated into all languages.
 *
 * This function is a compiler primitive. Must be used in the form:
 * <code>var x = goog.getMsgWithFallback(MSG_A, MSG_B);</code>
 * where MSG_A and MSG_B were initialized with goog.getMsg.
 *
 * @param {string} a The preferred message.
 * @param {string} b The fallback message.
 * @return {string} The best translated message.
 */
goog.getMsgWithFallback = function(a, b) {
  return a;
};


/**
 * Exposes an unobfuscated global namespace path for the given object.
 * Note that fields of the exported object *will* be obfuscated, unless they are
 * exported in turn via this function or goog.exportProperty.
 *
 * Also handy for making public items that are defined in anonymous closures.
 *
 * ex. goog.exportSymbol('public.path.Foo', Foo);
 *
 * ex. goog.exportSymbol('public.path.Foo.staticFunction', Foo.staticFunction);
 *     public.path.Foo.staticFunction();
 *
 * ex. goog.exportSymbol('public.path.Foo.prototype.myMethod',
 *                       Foo.prototype.myMethod);
 *     new public.path.Foo().myMethod();
 *
 * @param {string} publicPath Unobfuscated name to export.
 * @param {*} object Object the name should point to.
 * @param {?Object=} objectToExportTo The object to add the path to; default
 *     is goog.global.
 */
goog.exportSymbol = function(publicPath, object, objectToExportTo) {
  goog.exportPath_(
      publicPath, object, /* overwriteImplicit= */ true, objectToExportTo);
};


/**
 * Exports a property unobfuscated into the object's namespace.
 * ex. goog.exportProperty(Foo, 'staticFunction', Foo.staticFunction);
 * ex. goog.exportProperty(Foo.prototype, 'myMethod', Foo.prototype.myMethod);
 * @param {Object} object Object whose static property is being exported.
 * @param {string} publicName Unobfuscated name to export.
 * @param {*} symbol Object the name should point to.
 */
goog.exportProperty = function(object, publicName, symbol) {
  object[publicName] = symbol;
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * Usage:
 * <pre>
 * function ParentClass(a, b) { }
 * ParentClass.prototype.foo = function(a) { };
 *
 * function ChildClass(a, b, c) {
 *   ChildClass.base(this, 'constructor', a, b);
 * }
 * goog.inherits(ChildClass, ParentClass);
 *
 * var child = new ChildClass('a', 'b', 'see');
 * child.foo(); // This works.
 * </pre>
 *
 * @param {!Function} childCtor Child class.
 * @param {!Function} parentCtor Parent class.
 * @suppress {strictMissingProperties} superClass_ and base is not defined on
 *    Function.
 * @deprecated Use ECMAScript class syntax instead.
 */
goog.inherits = function(childCtor, parentCtor) {
  /** @constructor */
  function tempCtor() {}
  tempCtor.prototype = parentCtor.prototype;
  childCtor.superClass_ = parentCtor.prototype;
  childCtor.prototype = new tempCtor();
  /** @override */
  childCtor.prototype.constructor = childCtor;

  /**
   * Calls superclass constructor/method.
   *
   * This function is only available if you use goog.inherits to
   * express inheritance relationships between classes.
   *
   * NOTE: This is a replacement for goog.base and for superClass_
   * property defined in childCtor.
   *
   * @param {!Object} me Should always be "this".
   * @param {string} methodName The method name to call. Calling
   *     superclass constructor can be done with the special string
   *     'constructor'.
   * @param {...*} var_args The arguments to pass to superclass
   *     method/constructor.
   * @return {*} The return value of the superclass method/constructor.
   */
  childCtor.base = function(me, methodName, var_args) {
    // Copying using loop to avoid deop due to passing arguments object to
    // function. This is faster in many JS engines as of late 2014.
    var args = new Array(arguments.length - 2);
    for (var i = 2; i < arguments.length; i++) {
      args[i - 2] = arguments[i];
    }
    return parentCtor.prototype[methodName].apply(me, args);
  };
};


/**
 * Allow for aliasing within scope functions.  This function exists for
 * uncompiled code - in compiled code the calls will be inlined and the aliases
 * applied.  In uncompiled code the function is simply run since the aliases as
 * written are valid JavaScript.
 *
 * MOE:begin_intracomment_strip
 * See the goog.scope document at http://go/goog.scope
 *
 * For more on goog.scope deprecation, see the style guide entry:
 * http://go/jsstyle#appendices-legacy-exceptions-goog-scope
 * MOE:end_intracomment_strip
 *
 * @param {function()} fn Function to call.  This function can contain aliases
 *     to namespaces (e.g. "var dom = goog.dom") or classes
 *     (e.g. "var Timer = goog.Timer").
 * @deprecated Use goog.module instead.
 */
goog.scope = function(fn) {
  if (goog.isInModuleLoader_()) {
    throw new Error('goog.scope is not supported within a module.');
  }
  fn.call(goog.global);
};


/*
 * To support uncompiled, strict mode bundles that use eval to divide source
 * like so:
 *    eval('someSource;//# sourceUrl sourcefile.js');
 * We need to export the globally defined symbols "goog" and "COMPILED".
 * Exporting "goog" breaks the compiler optimizations, so we required that
 * be defined externally.
 * NOTE: We don't use goog.exportSymbol here because we don't want to trigger
 * extern generation when that compiler option is enabled.
 */
if (!COMPILED) {
  goog.global['COMPILED'] = COMPILED;
}


//==============================================================================
// goog.defineClass implementation
//==============================================================================


/**
 * Creates a restricted form of a Closure "class":
 *   - from the compiler's perspective, the instance returned from the
 *     constructor is sealed (no new properties may be added).  This enables
 *     better checks.
 *   - the compiler will rewrite this definition to a form that is optimal
 *     for type checking and optimization (initially this will be a more
 *     traditional form).
 *
 * @param {Function} superClass The superclass, Object or null.
 * @param {goog.defineClass.ClassDescriptor} def
 *     An object literal describing
 *     the class.  It may have the following properties:
 *     "constructor": the constructor function
 *     "statics": an object literal containing methods to add to the constructor
 *        as "static" methods or a function that will receive the constructor
 *        function as its only parameter to which static properties can
 *        be added.
 *     all other properties are added to the prototype.
 * @return {!Function} The class constructor.
 * @deprecated Use ECMAScript class syntax instead.
 */
goog.defineClass = function(superClass, def) {
  // TODO(johnlenz): consider making the superClass an optional parameter.
  var constructor = def.constructor;
  var statics = def.statics;
  // Wrap the constructor prior to setting up the prototype and static methods.
  if (!constructor || constructor == Object.prototype.constructor) {
    constructor = function() {
      throw new Error(
          'cannot instantiate an interface (no constructor defined).');
    };
  }

  var cls = goog.defineClass.createSealingConstructor_(constructor, superClass);
  if (superClass) {
    goog.inherits(cls, superClass);
  }

  // Remove all the properties that should not be copied to the prototype.
  delete def.constructor;
  delete def.statics;

  goog.defineClass.applyProperties_(cls.prototype, def);
  if (statics != null) {
    if (statics instanceof Function) {
      statics(cls);
    } else {
      goog.defineClass.applyProperties_(cls, statics);
    }
  }

  return cls;
};


/**
 * @typedef {{
 *   constructor: (!Function|undefined),
 *   statics: (Object|undefined|function(Function):void)
 * }}
 */
goog.defineClass.ClassDescriptor;


/**
 * @define {boolean} Whether the instances returned by goog.defineClass should
 *     be sealed when possible.
 *
 * When sealing is disabled the constructor function will not be wrapped by
 * goog.defineClass, making it incompatible with ES6 class methods.
 */
goog.defineClass.SEAL_CLASS_INSTANCES =
    goog.define('goog.defineClass.SEAL_CLASS_INSTANCES', goog.DEBUG);


/**
 * If goog.defineClass.SEAL_CLASS_INSTANCES is enabled and Object.seal is
 * defined, this function will wrap the constructor in a function that seals the
 * results of the provided constructor function.
 *
 * @param {!Function} ctr The constructor whose results maybe be sealed.
 * @param {Function} superClass The superclass constructor.
 * @return {!Function} The replacement constructor.
 * @private
 */
goog.defineClass.createSealingConstructor_ = function(ctr, superClass) {
  if (!goog.defineClass.SEAL_CLASS_INSTANCES) {
    // Do now wrap the constructor when sealing is disabled. Angular code
    // depends on this for injection to work properly.
    return ctr;
  }

  // NOTE: The sealing behavior has been removed

  /**
   * @this {Object}
   * @return {?}
   */
  var wrappedCtr = function() {
    // Don't seal an instance of a subclass when it calls the constructor of
    // its super class as there is most likely still setup to do.
    var instance = ctr.apply(this, arguments) || this;
    instance[goog.UID_PROPERTY_] = instance[goog.UID_PROPERTY_];

    return instance;
  };

  return wrappedCtr;
};



// TODO(johnlenz): share these values with the goog.object
/**
 * The names of the fields that are defined on Object.prototype.
 * @type {!Array<string>}
 * @private
 * @const
 */
goog.defineClass.OBJECT_PROTOTYPE_FIELDS_ = [
  'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable',
  'toLocaleString', 'toString', 'valueOf'
];


// TODO(johnlenz): share this function with the goog.object
/**
 * @param {!Object} target The object to add properties to.
 * @param {!Object} source The object to copy properties from.
 * @private
 */
goog.defineClass.applyProperties_ = function(target, source) {
  // TODO(johnlenz): update this to support ES5 getters/setters

  var key;
  for (key in source) {
    if (Object.prototype.hasOwnProperty.call(source, key)) {
      target[key] = source[key];
    }
  }

  // For IE the for-in-loop does not contain any properties that are not
  // enumerable on the prototype object (for example isPrototypeOf from
  // Object.prototype) and it will also not include 'replace' on objects that
  // extend String and change 'replace' (not that it is common for anyone to
  // extend anything except Object).
  for (var i = 0; i < goog.defineClass.OBJECT_PROTOTYPE_FIELDS_.length; i++) {
    key = goog.defineClass.OBJECT_PROTOTYPE_FIELDS_[i];
    if (Object.prototype.hasOwnProperty.call(source, key)) {
      target[key] = source[key];
    }
  }
};

/**
 * Returns the parameter.
 * @param {string} s
 * @return {string}
 * @private
 */
goog.identity_ = function(s) {
  return s;
};


/**
 * Creates Trusted Types policy if Trusted Types are supported by the browser.
 * The policy just blesses any string as a Trusted Type. It is not visibility
 * restricted because anyone can also call trustedTypes.createPolicy directly.
 * However, the allowed names should be restricted by a HTTP header and the
 * reference to the created policy should be visibility restricted.
 * @param {string} name
 * @return {?TrustedTypePolicy}
 */
goog.createTrustedTypesPolicy = function(name) {
  var policy = null;
  var policyFactory = goog.global.trustedTypes;
  if (!policyFactory || !policyFactory.createPolicy) {
    return policy;
  }
  // trustedTypes.createPolicy throws if called with a name that is already
  // registered, even in report-only mode. Until the API changes, catch the
  // error not to break the applications functionally. In such case, the code
  // will fall back to using regular Safe Types.
  // TODO(koto): Remove catching once createPolicy API stops throwing.
  try {
    policy = policyFactory.createPolicy(name, {
      createHTML: goog.identity_,
      createScript: goog.identity_,
      createScriptURL: goog.identity_
    });
  } catch (e) {
    goog.logToConsole_(e.message);
  }
  return policy;
};

// There's a bug in the compiler where without collapse properties the
// Closure namespace defines do not guard code correctly. To help reduce code
// size also check for !COMPILED even though it redundant until this is fixed.
if (!COMPILED && goog.DEPENDENCIES_ENABLED) {
  // MOE:begin_strip
  // TODO(b/67050526) This object is obsolete but some people are relying on
  // it internally. Keep it around until we migrate them.
  /**
   * @private
   * @type {{
   *   loadFlags: !Object<string, !Object<string, string>>,
   *   nameToPath: !Object<string, string>,
   *   requires: !Object<string, !Object<string, boolean>>,
   *   visited: !Object<string, boolean>,
   *   written: !Object<string, boolean>,
   *   deferred: !Object<string, string>
   * }}
   */
  goog.dependencies_ = {
    loadFlags: {},  // 1 to 1

    nameToPath: {},  // 1 to 1

    requires: {},  // 1 to many

    // Used when resolving dependencies to prevent us from visiting file
    // twice.
    visited: {},

    written: {},  // Used to keep track of script files we have written.

    deferred: {}  // Used to track deferred module evaluations in old IEs
  };

  /**
   * @return {!Object}
   * @private
   */
  goog.getLoader_ = function() {
    return {
      dependencies_: goog.dependencies_,
      writeScriptTag_: goog.writeScriptTag_
    };
  };


  /**
   * @param {string} src The script url.
   * @param {string=} opt_sourceText The optionally source text to evaluate
   * @return {boolean} True if the script was imported, false otherwise.
   * @private
   */
  goog.writeScriptTag_ = function(src, opt_sourceText) {
    if (goog.inHtmlDocument_()) {
      /** @type {!HTMLDocument} */
      var doc = goog.global.document;

      // If the user tries to require a new symbol after document load,
      // something has gone terribly wrong. Doing a document.write would
      // wipe out the page. This does not apply to the CSP-compliant method
      // of writing script tags.
      if (!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING &&
          doc.readyState == 'complete') {
        // Certain test frameworks load base.js multiple times, which tries
        // to write deps.js each time. If that happens, just fail silently.
        // These frameworks wipe the page between each load of base.js, so this
        // is OK.
        var isDeps = /\bdeps.js$/.test(src);
        if (isDeps) {
          return false;
        } else {
          throw Error('Cannot write "' + src + '" after document load');
        }
      }

      var nonceAttr = '';
      var nonce = goog.getScriptNonce_();
      if (nonce) {
        nonceAttr = ' nonce="' + nonce + '"';
      }

      if (opt_sourceText === undefined) {
        var script = '<script src="' + src + '"' + nonceAttr + '></' +
            'script>';
        doc.write(
            goog.TRUSTED_TYPES_POLICY_ ?
                goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
                script);
      } else {
        var script = '<script' + nonceAttr + '>' +
            goog.protectScriptTag_(opt_sourceText) + '</' +
            'script>';
        doc.write(
            goog.TRUSTED_TYPES_POLICY_ ?
                goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
                script);
      }
      return true;
    } else {
      return false;
    }
  };
  // MOE:end_strip


  /**
   * Tries to detect whether the current browser is Edge, based on the user
   * agent. This matches only pre-Chromium Edge.
   * @see https://docs.microsoft.com/en-us/microsoft-edge/web-platform/user-agent-string
   * @return {boolean} True if the current browser is Edge.
   * @private
   */
  goog.isEdge_ = function() {
    var userAgent = goog.global.navigator && goog.global.navigator.userAgent ?
        goog.global.navigator.userAgent :
        '';
    var edgeRe = /Edge\/(\d+)(\.\d)*/i;
    return !!userAgent.match(edgeRe);
  };


  /**
   * Tries to detect whether is in the context of an HTML document.
   * @return {boolean} True if it looks like HTML document.
   * @private
   */
  goog.inHtmlDocument_ = function() {
    /** @type {!Document} */
    var doc = goog.global.document;
    return doc != null && 'write' in doc;  // XULDocument misses write.
  };


  /**
   * We'd like to check for if the document readyState is 'loading'; however
   * there are bugs on IE 10 and below where the readyState being anything other
   * than 'complete' is not reliable.
   * @return {boolean}
   * @private
   */
  goog.isDocumentLoading_ = function() {
    // attachEvent is available on IE 6 thru 10 only, and thus can be used to
    // detect those browsers.
    /** @type {!HTMLDocument} */
    var doc = goog.global.document;
    return doc.attachEvent ? doc.readyState != 'complete' :
                             doc.readyState == 'loading';
  };


  /**
   * Tries to detect the base path of base.js script that bootstraps Closure.
   * @private
   */
  goog.findBasePath_ = function() {
    if (goog.global.CLOSURE_BASE_PATH != undefined &&
        // Anti DOM-clobbering runtime check (b/37736576).
        typeof goog.global.CLOSURE_BASE_PATH === 'string') {
      goog.basePath = goog.global.CLOSURE_BASE_PATH;
      return;
    } else if (!goog.inHtmlDocument_()) {
      return;
    }
    /** @type {!Document} */
    var doc = goog.global.document;
    // If we have a currentScript available, use it exclusively.
    var currentScript = doc.currentScript;
    if (currentScript) {
      var scripts = [currentScript];
    } else {
      var scripts = doc.getElementsByTagName('SCRIPT');
    }
    // Search backwards since the current script is in almost all cases the one
    // that has base.js.
    for (var i = scripts.length - 1; i >= 0; --i) {
      var script = /** @type {!HTMLScriptElement} */ (scripts[i]);
      var src = script.src;
      var qmark = src.lastIndexOf('?');
      var l = qmark == -1 ? src.length : qmark;
      if (src.slice(l - 7, l) == 'base.js') {
        goog.basePath = src.slice(0, l - 7);
        return;
      }
    }
  };

  goog.findBasePath_();

  /**
   * Rewrites closing script tags in input to avoid ending an enclosing script
   * tag.
   *
   * @param {string} str
   * @return {string}
   * @private
   */
  goog.protectScriptTag_ = function(str) {
    return str.replace(/<\/(SCRIPT)/ig, '\\x3c/$1');
  };


  /**
   * A debug loader is responsible for downloading and executing javascript
   * files in an unbundled, uncompiled environment.
   *
   * This can be custimized via the setDependencyFactory method, or by
   * CLOSURE_IMPORT_SCRIPT/CLOSURE_LOAD_FILE_SYNC.
   *
   * @struct @constructor @final @private
   */
  goog.DebugLoader_ = function() {
    /** @private @const {!Object<string, !goog.Dependency>} */
    this.dependencies_ = {};
    /** @private @const {!Object<string, string>} */
    this.idToPath_ = {};
    /** @private @const {!Object<string, boolean>} */
    this.written_ = {};
    /** @private @const {!Array<!goog.Dependency>} */
    this.loadingDeps_ = [];
    /** @private {!Array<!goog.Dependency>} */
    this.depsToLoad_ = [];
    /** @private {boolean} */
    this.paused_ = false;
    /** @private {!goog.DependencyFactory} */
    this.factory_ = new goog.DependencyFactory();
    /** @private @const {!Object<string, !Function>} */
    this.deferredCallbacks_ = {};
    /** @private @const {!Array<string>} */
    this.deferredQueue_ = [];
  };

  /**
   * @param {!Array<string>} namespaces
   * @param {function(): undefined} callback Function to call once all the
   *     namespaces have loaded.
   */
  goog.DebugLoader_.prototype.bootstrap = function(namespaces, callback) {
    var cb = callback;
    function resolve() {
      if (cb) {
        goog.global.setTimeout(cb, 0);
        cb = null;
      }
    }

    if (!namespaces.length) {
      resolve();
      return;
    }

    var deps = [];
    for (var i = 0; i < namespaces.length; i++) {
      var path = this.getPathFromDeps_(namespaces[i]);
      if (!path) {
        throw new Error('Unregonized namespace: ' + namespaces[i]);
      }
      deps.push(this.dependencies_[path]);
    }

    var require = goog.require;
    var loaded = 0;
    for (var i = 0; i < namespaces.length; i++) {
      require(namespaces[i]);
      deps[i].onLoad(function() {
        if (++loaded == namespaces.length) {
          resolve();
        }
      });
    }
  };


  /**
   * Loads the Closure Dependency file.
   *
   * Exposed a public function so CLOSURE_NO_DEPS can be set to false, base
   * loaded, setDependencyFactory called, and then this called. i.e. allows
   * custom loading of the deps file.
   */
  goog.DebugLoader_.prototype.loadClosureDeps = function() {
    // Circumvent addDependency, which would try to transpile deps.js if
    // transpile is set to always.
    var relPath = 'deps.js';
    this.depsToLoad_.push(this.factory_.createDependency(
        goog.normalizePath_(goog.basePath + relPath), relPath, [], [], {}));
    this.loadDeps_();
  };


  /**
   * Notifies the debug loader when a dependency has been requested.
   *
   * @param {string} absPathOrId Path of the dependency or goog id.
   * @param {boolean=} opt_force
   */
  goog.DebugLoader_.prototype.requested = function(absPathOrId, opt_force) {
    var path = this.getPathFromDeps_(absPathOrId);
    if (path &&
        (opt_force || this.areDepsLoaded_(this.dependencies_[path].requires))) {
      var callback = this.deferredCallbacks_[path];
      if (callback) {
        delete this.deferredCallbacks_[path];
        callback();
      }
    }
  };


  /**
   * Sets the dependency factory, which can be used to create custom
   * goog.Dependency implementations to control how dependencies are loaded.
   *
   * @param {!goog.DependencyFactory} factory
   */
  goog.DebugLoader_.prototype.setDependencyFactory = function(factory) {
    this.factory_ = factory;
  };


  /**
   * Travserses the dependency graph and queues the given dependency, and all of
   * its transitive dependencies, for loading and then starts loading if not
   * paused.
   *
   * @param {string} namespace
   * @private
   */
  goog.DebugLoader_.prototype.load_ = function(namespace) {
    if (!this.getPathFromDeps_(namespace)) {
      var errorMessage = 'goog.require could not find: ' + namespace;
      goog.logToConsole_(errorMessage);
    } else {
      var loader = this;

      var deps = [];

      /** @param {string} namespace */
      var visit = function(namespace) {
        var path = loader.getPathFromDeps_(namespace);

        if (!path) {
          throw new Error('Bad dependency path or symbol: ' + namespace);
        }

        if (loader.written_[path]) {
          return;
        }

        loader.written_[path] = true;

        var dep = loader.dependencies_[path];
        // MOE:begin_strip
        if (goog.dependencies_.written[dep.relativePath]) {
          return;
        }
        // MOE:end_strip
        for (var i = 0; i < dep.requires.length; i++) {
          if (!goog.isProvided_(dep.requires[i])) {
            visit(dep.requires[i]);
          }
        }

        deps.push(dep);
      };

      visit(namespace);

      var wasLoading = !!this.depsToLoad_.length;
      this.depsToLoad_ = this.depsToLoad_.concat(deps);

      if (!this.paused_ && !wasLoading) {
        this.loadDeps_();
      }
    }
  };


  /**
   * Loads any queued dependencies until they are all loaded or paused.
   *
   * @private
   */
  goog.DebugLoader_.prototype.loadDeps_ = function() {
    var loader = this;
    var paused = this.paused_;

    while (this.depsToLoad_.length && !paused) {
      (function() {
        var loadCallDone = false;
        var dep = loader.depsToLoad_.shift();

        var loaded = false;
        loader.loading_(dep);

        var controller = {
          pause: function() {
            if (loadCallDone) {
              throw new Error('Cannot call pause after the call to load.');
            } else {
              paused = true;
            }
          },
          resume: function() {
            if (loadCallDone) {
              loader.resume_();
            } else {
              // Some dep called pause and then resume in the same load call.
              // Just keep running this same loop.
              paused = false;
            }
          },
          loaded: function() {
            if (loaded) {
              throw new Error('Double call to loaded.');
            }

            loaded = true;
            loader.loaded_(dep);
          },
          pending: function() {
            // Defensive copy.
            var pending = [];
            for (var i = 0; i < loader.loadingDeps_.length; i++) {
              pending.push(loader.loadingDeps_[i]);
            }
            return pending;
          },
          /**
           * @param {goog.ModuleType} type
           */
          setModuleState: function(type) {
            goog.moduleLoaderState_ = {
              type: type,
              moduleName: '',
              declareLegacyNamespace: false
            };
          },
          /** @type {function(string, string, string=)} */
          registerEs6ModuleExports: function(
              path, exports, opt_closureNamespace) {
            if (opt_closureNamespace) {
              goog.loadedModules_[opt_closureNamespace] = {
                exports: exports,
                type: goog.ModuleType.ES6,
                moduleId: opt_closureNamespace || ''
              };
            }
          },
          /** @type {function(string, ?)} */
          registerGoogModuleExports: function(moduleId, exports) {
            goog.loadedModules_[moduleId] = {
              exports: exports,
              type: goog.ModuleType.GOOG,
              moduleId: moduleId
            };
          },
          clearModuleState: function() {
            goog.moduleLoaderState_ = null;
          },
          defer: function(callback) {
            if (loadCallDone) {
              throw new Error(
                  'Cannot register with defer after the call to load.');
            }
            loader.defer_(dep, callback);
          },
          areDepsLoaded: function() {
            return loader.areDepsLoaded_(dep.requires);
          }
        };

        try {
          dep.load(controller);
        } finally {
          loadCallDone = true;
        }
      })();
    }

    if (paused) {
      this.pause_();
    }
  };


  /** @private */
  goog.DebugLoader_.prototype.pause_ = function() {
    this.paused_ = true;
  };


  /** @private */
  goog.DebugLoader_.prototype.resume_ = function() {
    if (this.paused_) {
      this.paused_ = false;
      this.loadDeps_();
    }
  };


  /**
   * Marks the given dependency as loading (load has been called but it has not
   * yet marked itself as finished). Useful for dependencies that want to know
   * what else is loading. Example: goog.modules cannot eval if there are
   * loading dependencies.
   *
   * @param {!goog.Dependency} dep
   * @private
   */
  goog.DebugLoader_.prototype.loading_ = function(dep) {
    this.loadingDeps_.push(dep);
  };


  /**
   * Marks the given dependency as having finished loading and being available
   * for require.
   *
   * @param {!goog.Dependency} dep
   * @private
   */
  goog.DebugLoader_.prototype.loaded_ = function(dep) {
    for (var i = 0; i < this.loadingDeps_.length; i++) {
      if (this.loadingDeps_[i] == dep) {
        this.loadingDeps_.splice(i, 1);
        break;
      }
    }

    for (var i = 0; i < this.deferredQueue_.length; i++) {
      if (this.deferredQueue_[i] == dep.path) {
        this.deferredQueue_.splice(i, 1);
        break;
      }
    }

    if (this.loadingDeps_.length == this.deferredQueue_.length &&
        !this.depsToLoad_.length) {
      // Something has asked to load these, but they may not be directly
      // required again later, so load them now that we know we're done loading
      // everything else. e.g. a goog module entry point.
      while (this.deferredQueue_.length) {
        this.requested(this.deferredQueue_.shift(), true);
      }
    }

    dep.loaded();
  };


  /**
   * @param {!Array<string>} pathsOrIds
   * @return {boolean}
   * @private
   */
  goog.DebugLoader_.prototype.areDepsLoaded_ = function(pathsOrIds) {
    for (var i = 0; i < pathsOrIds.length; i++) {
      var path = this.getPathFromDeps_(pathsOrIds[i]);
      if (!path ||
          (!(path in this.deferredCallbacks_) &&
           !goog.isProvided_(pathsOrIds[i]))) {
        return false;
      }
    }

    return true;
  };


  /**
   * @param {string} absPathOrId
   * @return {?string}
   * @private
   */
  goog.DebugLoader_.prototype.getPathFromDeps_ = function(absPathOrId) {
    if (absPathOrId in this.idToPath_) {
      return this.idToPath_[absPathOrId];
    } else if (absPathOrId in this.dependencies_) {
      return absPathOrId;
    } else {
      return null;
    }
  };


  /**
   * @param {!goog.Dependency} dependency
   * @param {!Function} callback
   * @private
   */
  goog.DebugLoader_.prototype.defer_ = function(dependency, callback) {
    this.deferredCallbacks_[dependency.path] = callback;
    this.deferredQueue_.push(dependency.path);
  };


  /**
   * Interface for goog.Dependency implementations to have some control over
   * loading of dependencies.
   *
   * @record
   */
  goog.LoadController = function() {};


  /**
   * Tells the controller to halt loading of more dependencies.
   */
  goog.LoadController.prototype.pause = function() {};


  /**
   * Tells the controller to resume loading of more dependencies if paused.
   */
  goog.LoadController.prototype.resume = function() {};


  /**
   * Tells the controller that this dependency has finished loading.
   *
   * This causes this to be removed from pending() and any load callbacks to
   * fire.
   */
  goog.LoadController.prototype.loaded = function() {};


  /**
   * List of dependencies on which load has been called but which have not
   * called loaded on their controller. This includes the current dependency.
   *
   * @return {!Array<!goog.Dependency>}
   */
  goog.LoadController.prototype.pending = function() {};


  /**
   * Registers an object as an ES6 module's exports so that goog.modules may
   * require it by path.
   *
   * @param {string} path Full path of the module.
   * @param {?} exports
   * @param {string=} opt_closureNamespace Closure namespace to associate with
   *     this module.
   */
  goog.LoadController.prototype.registerEs6ModuleExports = function(
      path, exports, opt_closureNamespace) {};


  /**
   * Sets the current module state.
   *
   * @param {goog.ModuleType} type Type of module.
   */
  goog.LoadController.prototype.setModuleState = function(type) {};


  /**
   * Clears the current module state.
   */
  goog.LoadController.prototype.clearModuleState = function() {};


  /**
   * Registers a callback to call once the dependency is actually requested
   * via goog.require + all of the immediate dependencies have been loaded or
   * all other files have been loaded. Allows for lazy loading until
   * require'd without pausing dependency loading, which is needed on old IE.
   *
   * @param {!Function} callback
   */
  goog.LoadController.prototype.defer = function(callback) {};


  /**
   * @return {boolean}
   */
  goog.LoadController.prototype.areDepsLoaded = function() {};


  /**
   * Basic super class for all dependencies Closure Library can load.
   *
   * This default implementation is designed to load untranspiled, non-module
   * scripts in a web broswer.
   *
   * For goog.modules see {@see goog.GoogModuleDependency}.
   * For untranspiled ES6 modules {@see goog.Es6ModuleDependency}.
   *
   * @param {string} path Absolute path of this script.
   * @param {string} relativePath Path of this script relative to goog.basePath.
   * @param {!Array<string>} provides goog.provided or goog.module symbols
   *     in this file.
   * @param {!Array<string>} requires goog symbols or relative paths to Closure
   *     this depends on.
   * @param {!Object<string, string>} loadFlags
   * @struct @constructor
   */
  goog.Dependency = function(
      path, relativePath, provides, requires, loadFlags) {
    /** @const */
    this.path = path;
    /** @const */
    this.relativePath = relativePath;
    /** @const */
    this.provides = provides;
    /** @const */
    this.requires = requires;
    /** @const */
    this.loadFlags = loadFlags;
    /** @private {boolean} */
    this.loaded_ = false;
    /** @private {!Array<function()>} */
    this.loadCallbacks_ = [];
  };


  /**
   * @return {string} The pathname part of this dependency's path if it is a
   *     URI.
   */
  goog.Dependency.prototype.getPathName = function() {
    var pathName = this.path;
    var protocolIndex = pathName.indexOf('://');
    if (protocolIndex >= 0) {
      pathName = pathName.substring(protocolIndex + 3);
      var slashIndex = pathName.indexOf('/');
      if (slashIndex >= 0) {
        pathName = pathName.substring(slashIndex + 1);
      }
    }
    return pathName;
  };


  /**
   * @param {function()} callback Callback to fire as soon as this has loaded.
   * @final
   */
  goog.Dependency.prototype.onLoad = function(callback) {
    if (this.loaded_) {
      callback();
    } else {
      this.loadCallbacks_.push(callback);
    }
  };


  /**
   * Marks this dependency as loaded and fires any callbacks registered with
   * onLoad.
   * @final
   */
  goog.Dependency.prototype.loaded = function() {
    this.loaded_ = true;
    var callbacks = this.loadCallbacks_;
    this.loadCallbacks_ = [];
    for (var i = 0; i < callbacks.length; i++) {
      callbacks[i]();
    }
  };


  /**
   * Whether or not document.written / appended script tags should be deferred.
   *
   * @private {boolean}
   */
  goog.Dependency.defer_ = false;


  /**
   * Map of script ready / state change callbacks. Old IE cannot handle putting
   * these properties on goog.global.
   *
   * @private @const {!Object<string, function(?):undefined>}
   */
  goog.Dependency.callbackMap_ = {};


  /**
   * @param {function(...?):?} callback
   * @return {string}
   * @private
   */
  goog.Dependency.registerCallback_ = function(callback) {
    var key = Math.random().toString(32);
    goog.Dependency.callbackMap_[key] = callback;
    return key;
  };


  /**
   * @param {string} key
   * @private
   */
  goog.Dependency.unregisterCallback_ = function(key) {
    delete goog.Dependency.callbackMap_[key];
  };


  /**
   * @param {string} key
   * @param {...?} var_args
   * @private
   * @suppress {unusedPrivateMembers}
   */
  goog.Dependency.callback_ = function(key, var_args) {
    if (key in goog.Dependency.callbackMap_) {
      var callback = goog.Dependency.callbackMap_[key];
      var args = [];
      for (var i = 1; i < arguments.length; i++) {
        args.push(arguments[i]);
      }
      callback.apply(undefined, args);
    } else {
      var errorMessage = 'Callback key ' + key +
          ' does not exist (was base.js loaded more than once?).';
      // MOE:begin_strip
      // TODO(johnplaisted): Some people internally are mistakenly loading
      // base.js twice, and this can happen while a dependency is loading,
      // wiping out state.
      goog.logToConsole_(errorMessage);
      // MOE:end_strip
      // MOE:insert throw Error(errorMessage);
    }
  };


  /**
   * Starts loading this dependency. This dependency can pause loading if it
   * needs to and resume it later via the controller interface.
   *
   * When this is loaded it should call controller.loaded(). Note that this will
   * end up calling the loaded method of this dependency; there is no need to
   * call it explicitly.
   *
   * @param {!goog.LoadController} controller
   */
  goog.Dependency.prototype.load = function(controller) {
    if (goog.global.CLOSURE_IMPORT_SCRIPT) {
      if (goog.global.CLOSURE_IMPORT_SCRIPT(this.path)) {
        controller.loaded();
      } else {
        controller.pause();
      }
      return;
    }

    if (!goog.inHtmlDocument_()) {
      goog.logToConsole_(
          'Cannot use default debug loader outside of HTML documents.');
      if (this.relativePath == 'deps.js') {
        // Some old code is relying on base.js auto loading deps.js failing with
        // no error before later setting CLOSURE_IMPORT_SCRIPT.
        // CLOSURE_IMPORT_SCRIPT should be set *before* base.js is loaded, or
        // CLOSURE_NO_DEPS set to true.
        goog.logToConsole_(
            'Consider setting CLOSURE_IMPORT_SCRIPT before loading base.js, ' +
            'or setting CLOSURE_NO_DEPS to true.');
        controller.loaded();
      } else {
        controller.pause();
      }
      return;
    }

    /** @type {!HTMLDocument} */
    var doc = goog.global.document;

    // If the user tries to require a new symbol after document load,
    // something has gone terribly wrong. Doing a document.write would
    // wipe out the page. This does not apply to the CSP-compliant method
    // of writing script tags.
    if (doc.readyState == 'complete' &&
        !goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING) {
      // Certain test frameworks load base.js multiple times, which tries
      // to write deps.js each time. If that happens, just fail silently.
      // These frameworks wipe the page between each load of base.js, so this
      // is OK.
      var isDeps = /\bdeps.js$/.test(this.path);
      if (isDeps) {
        controller.loaded();
        return;
      } else {
        throw Error('Cannot write "' + this.path + '" after document load');
      }
    }

    var nonce = goog.getScriptNonce_();
    if (!goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING &&
        goog.isDocumentLoading_()) {
      var key;
      var callback = function(script) {
        if (script.readyState && script.readyState != 'complete') {
          script.onload = callback;
          return;
        }
        goog.Dependency.unregisterCallback_(key);
        controller.loaded();
      };
      key = goog.Dependency.registerCallback_(callback);

      var defer = goog.Dependency.defer_ ? ' defer' : '';
      var nonceAttr = nonce ? ' nonce="' + nonce + '"' : '';
      var script = '<script src="' + this.path + '"' + nonceAttr + defer +
          ' id="script-' + key + '"><\/script>';

      script += '<script' + nonceAttr + '>';

      if (goog.Dependency.defer_) {
        script += 'document.getElementById(\'script-' + key +
            '\').onload = function() {\n' +
            '  goog.Dependency.callback_(\'' + key + '\', this);\n' +
            '};\n';
      } else {
        script += 'goog.Dependency.callback_(\'' + key +
            '\', document.getElementById(\'script-' + key + '\'));';
      }

      script += '<\/script>';

      doc.write(
          goog.TRUSTED_TYPES_POLICY_ ?
              goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
              script);
    } else {
      var scriptEl =
          /** @type {!HTMLScriptElement} */ (doc.createElement('script'));
      scriptEl.defer = goog.Dependency.defer_;
      scriptEl.async = false;

      // If CSP nonces are used, propagate them to dynamically created scripts.
      // This is necessary to allow nonce-based CSPs without 'strict-dynamic'.
      if (nonce) {
        scriptEl.nonce = nonce;
      }

      scriptEl.onload = function() {
        scriptEl.onload = null;
        controller.loaded();
      };

      scriptEl.src = goog.TRUSTED_TYPES_POLICY_ ?
          goog.TRUSTED_TYPES_POLICY_.createScriptURL(this.path) :
          this.path;
      doc.head.appendChild(scriptEl);
    }
  };


  /**
   * @param {string} path Absolute path of this script.
   * @param {string} relativePath Path of this script relative to goog.basePath.
   * @param {!Array<string>} provides Should be an empty array.
   *     TODO(johnplaisted) add support for adding closure namespaces to ES6
   *     modules for interop purposes.
   * @param {!Array<string>} requires goog symbols or relative paths to Closure
   *     this depends on.
   * @param {!Object<string, string>} loadFlags
   * @struct @constructor
   * @extends {goog.Dependency}
   */
  goog.Es6ModuleDependency = function(
      path, relativePath, provides, requires, loadFlags) {
    goog.Es6ModuleDependency.base(
        this, 'constructor', path, relativePath, provides, requires, loadFlags);
  };
  goog.inherits(goog.Es6ModuleDependency, goog.Dependency);


  /**
   * @override
   * @param {!goog.LoadController} controller
   */
  goog.Es6ModuleDependency.prototype.load = function(controller) {
    if (goog.global.CLOSURE_IMPORT_SCRIPT) {
      if (goog.global.CLOSURE_IMPORT_SCRIPT(this.path)) {
        controller.loaded();
      } else {
        controller.pause();
      }
      return;
    }

    if (!goog.inHtmlDocument_()) {
      goog.logToConsole_(
          'Cannot use default debug loader outside of HTML documents.');
      controller.pause();
      return;
    }

    /** @type {!HTMLDocument} */
    var doc = goog.global.document;

    var dep = this;

    // TODO(johnplaisted): Does document.writing really speed up anything? Any
    // difference between this and just waiting for interactive mode and then
    // appending?
    function write(src, contents) {
      var nonceAttr = '';
      var nonce = goog.getScriptNonce_();
      if (nonce) {
        nonceAttr = ' nonce="' + nonce + '"';
      }

      if (contents) {
        var script = '<script type="module" crossorigin' + nonceAttr + '>' +
            contents + '</' +
            'script>';
        doc.write(
            goog.TRUSTED_TYPES_POLICY_ ?
                goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
                script);
      } else {
        var script = '<script type="module" crossorigin src="' + src + '"' +
            nonceAttr + '></' +
            'script>';
        doc.write(
            goog.TRUSTED_TYPES_POLICY_ ?
                goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
                script);
      }
    }

    function append(src, contents) {
      var scriptEl =
          /** @type {!HTMLScriptElement} */ (doc.createElement('script'));
      scriptEl.defer = true;
      scriptEl.async = false;
      scriptEl.type = 'module';
      scriptEl.setAttribute('crossorigin', true);

      // If CSP nonces are used, propagate them to dynamically created scripts.
      // This is necessary to allow nonce-based CSPs without 'strict-dynamic'.
      var nonce = goog.getScriptNonce_();
      if (nonce) {
        scriptEl.nonce = nonce;
      }

      if (contents) {
        scriptEl.text = goog.TRUSTED_TYPES_POLICY_ ?
            goog.TRUSTED_TYPES_POLICY_.createScript(contents) :
            contents;
      } else {
        scriptEl.src = goog.TRUSTED_TYPES_POLICY_ ?
            goog.TRUSTED_TYPES_POLICY_.createScriptURL(src) :
            src;
      }

      doc.head.appendChild(scriptEl);
    }

    var create;

    if (goog.isDocumentLoading_()) {
      create = write;
      // We can ONLY call document.write if we are guaranteed that any
      // non-module script tags document.written after this are deferred.
      // Small optimization, in theory document.writing is faster.
      goog.Dependency.defer_ = true;
    } else {
      create = append;
    }

    // Write 4 separate tags here:
    // 1) Sets the module state at the correct time (just before execution).
    // 2) A src node for this, which just hopefully lets the browser load it a
    //    little early (no need to parse #3).
    // 3) Import the module and register it.
    // 4) Clear the module state at the correct time. Guaranteed to run even
    //    if there is an error in the module (#3 will not run if there is an
    //    error in the module).
    var beforeKey = goog.Dependency.registerCallback_(function() {
      goog.Dependency.unregisterCallback_(beforeKey);
      controller.setModuleState(goog.ModuleType.ES6);
    });
    create(undefined, 'goog.Dependency.callback_("' + beforeKey + '")');

    // TODO(johnplaisted): Does this really speed up anything?
    create(this.path, undefined);

    var registerKey = goog.Dependency.registerCallback_(function(exports) {
      goog.Dependency.unregisterCallback_(registerKey);
      controller.registerEs6ModuleExports(
          dep.path, exports, goog.moduleLoaderState_.moduleName);
    });
    create(
        undefined,
        'import * as m from "' + this.path + '"; goog.Dependency.callback_("' +
            registerKey + '", m)');

    var afterKey = goog.Dependency.registerCallback_(function() {
      goog.Dependency.unregisterCallback_(afterKey);
      controller.clearModuleState();
      controller.loaded();
    });
    create(undefined, 'goog.Dependency.callback_("' + afterKey + '")');
  };


  /**
   * Superclass of any dependency that needs to be loaded into memory,
   * transformed, and then eval'd (goog.modules and transpiled files).
   *
   * @param {string} path Absolute path of this script.
   * @param {string} relativePath Path of this script relative to goog.basePath.
   * @param {!Array<string>} provides goog.provided or goog.module symbols
   *     in this file.
   * @param {!Array<string>} requires goog symbols or relative paths to Closure
   *     this depends on.
   * @param {!Object<string, string>} loadFlags
   * @struct @constructor @abstract
   * @extends {goog.Dependency}
   */
  goog.TransformedDependency = function(
      path, relativePath, provides, requires, loadFlags) {
    goog.TransformedDependency.base(
        this, 'constructor', path, relativePath, provides, requires, loadFlags);
    /** @private {?string} */
    this.contents_ = null;

    /**
     * Whether to lazily make the synchronous XHR (when goog.require'd) or make
     * the synchronous XHR when initially loading. On FireFox 61 there is a bug
     * where an ES6 module cannot make a synchronous XHR (rather, it can, but if
     * it does then no other ES6 modules will load after).
     *
     * tl;dr we lazy load due to bugs on older browsers and eager load due to
     * bugs on newer ones.
     *
     * https://bugzilla.mozilla.org/show_bug.cgi?id=1477090
     *
     * @private @const {boolean}
     */
    this.lazyFetch_ = !goog.inHtmlDocument_() ||
        !('noModule' in goog.global.document.createElement('script'));
  };
  goog.inherits(goog.TransformedDependency, goog.Dependency);


  /**
   * @override
   * @param {!goog.LoadController} controller
   */
  goog.TransformedDependency.prototype.load = function(controller) {
    var dep = this;

    function fetch() {
      dep.contents_ = goog.loadFileSync_(dep.path);

      if (dep.contents_) {
        dep.contents_ = dep.transform(dep.contents_);
        if (dep.contents_) {
          dep.contents_ += '\n//# sourceURL=' + dep.path;
        }
      }
    }

    if (goog.global.CLOSURE_IMPORT_SCRIPT) {
      fetch();
      if (this.contents_ &&
          goog.global.CLOSURE_IMPORT_SCRIPT('', this.contents_)) {
        this.contents_ = null;
        controller.loaded();
      } else {
        controller.pause();
      }
      return;
    }


    var isEs6 = this.loadFlags['module'] == goog.ModuleType.ES6;

    if (!this.lazyFetch_) {
      fetch();
    }

    function load() {
      if (dep.lazyFetch_) {
        fetch();
      }

      if (!dep.contents_) {
        // loadFileSync_ or transform are responsible. Assume they logged an
        // error.
        return;
      }

      if (isEs6) {
        controller.setModuleState(goog.ModuleType.ES6);
      }

      var namespace;

      try {
        var contents = dep.contents_;
        dep.contents_ = null;
        goog.globalEval(goog.CLOSURE_EVAL_PREFILTER_.createScript(contents));
        if (isEs6) {
          namespace = goog.moduleLoaderState_.moduleName;
        }
      } finally {
        if (isEs6) {
          controller.clearModuleState();
        }
      }

      if (isEs6) {
        // Due to circular dependencies this may not be available for require
        // right now.
        goog.global['$jscomp']['require']['ensure'](
            [dep.getPathName()], function() {
              controller.registerEs6ModuleExports(
                  dep.path,
                  goog.global['$jscomp']['require'](dep.getPathName()),
                  namespace);
            });
      }

      controller.loaded();
    }

    // Do not fetch now; in FireFox 47 the synchronous XHR doesn't block all
    // events. If we fetched now and then document.write'd the contents the
    // document.write would be an eval and would execute too soon! Instead write
    // a script tag to fetch and eval synchronously at the correct time.
    function fetchInOwnScriptThenLoad() {
      /** @type {!HTMLDocument} */
      var doc = goog.global.document;

      var key = goog.Dependency.registerCallback_(function() {
        goog.Dependency.unregisterCallback_(key);
        load();
      });

      var nonce = goog.getScriptNonce_();
      var nonceAttr = nonce ? ' nonce="' + nonce + '"' : '';
      var script = '<script' + nonceAttr + '>' +
          goog.protectScriptTag_('goog.Dependency.callback_("' + key + '");') +
          '</' +
          'script>';
      doc.write(
          goog.TRUSTED_TYPES_POLICY_ ?
              goog.TRUSTED_TYPES_POLICY_.createHTML(script) :
              script);
    }

    // If one thing is pending it is this.
    var anythingElsePending = controller.pending().length > 1;

    // Additionally if we are meant to defer scripts but the page is still
    // loading (e.g. an ES6 module is loading) then also defer. Or if we are
    // meant to defer and anything else is pending then defer (those may be
    // scripts that did not need transformation and are just script tags with
    // defer set to true, and we need to evaluate after that deferred script).
    var needsAsyncLoading = goog.Dependency.defer_ &&
        (anythingElsePending || goog.isDocumentLoading_());

    if (needsAsyncLoading) {
      // Note that we only defer when we have to rather than 100% of the time.
      // Always defering would work, but then in theory the order of
      // goog.require calls would then matter. We want to enforce that most of
      // the time the order of the require calls does not matter.
      controller.defer(function() {
        load();
      });
      return;
    }
    // TODO(johnplaisted): Externs are missing onreadystatechange for
    // HTMLDocument.
    /** @type {?} */
    var doc = goog.global.document;

    var isInternetExplorerOrEdge = goog.inHtmlDocument_() &&
        ('ActiveXObject' in goog.global || goog.isEdge_());

    // Don't delay in any version of IE or pre-Chromium Edge. There's a bug
    // around this that will cause out of order script execution. This means
    // that on older IE ES6 modules will load too early (while the document is
    // still loading + the dom is not available). The other option is to load
    // too late (when the document is complete and the onload even will never
    // fire). This seems to be the lesser of two evils as scripts already act
    // like the former.
    if (isEs6 && goog.inHtmlDocument_() && goog.isDocumentLoading_() &&
        !isInternetExplorerOrEdge) {
      goog.Dependency.defer_ = true;
      // Transpiled ES6 modules still need to load like regular ES6 modules,
      // aka only after the document is interactive.
      controller.pause();
      var oldCallback = doc.onreadystatechange;
      doc.onreadystatechange = function() {
        if (doc.readyState == 'interactive') {
          doc.onreadystatechange = oldCallback;
          load();
          controller.resume();
        }
        if (typeof oldCallback === 'function') {
          oldCallback.apply(undefined, arguments);
        }
      };
    } else {
      // Always eval on old IE.
      if (!goog.inHtmlDocument_() || !goog.isDocumentLoading_()) {
        load();
      } else {
        fetchInOwnScriptThenLoad();
      }
    }
  };


  /**
   * @param {string} contents
   * @return {string}
   * @abstract
   */
  goog.TransformedDependency.prototype.transform = function(contents) {};


  /**
   * An ES6 module dependency that was transpiled to a jscomp module outside
   * of the debug loader, e.g. server side.
   *
   * @param {string} path Absolute path of this script.
   * @param {string} relativePath Path of this script relative to goog.basePath.
   * @param {!Array<string>} provides goog.provided or goog.module symbols
   *     in this file.
   * @param {!Array<string>} requires goog symbols or relative paths to Closure
   *     this depends on.
   * @param {!Object<string, string>} loadFlags
   * @struct @constructor
   * @extends {goog.TransformedDependency}
   */
  goog.PreTranspiledEs6ModuleDependency = function(
      path, relativePath, provides, requires, loadFlags) {
    goog.PreTranspiledEs6ModuleDependency.base(
        this, 'constructor', path, relativePath, provides, requires, loadFlags);
  };
  goog.inherits(
      goog.PreTranspiledEs6ModuleDependency, goog.TransformedDependency);


  /**
   * @override
   * @param {string} contents
   * @return {string}
   */
  goog.PreTranspiledEs6ModuleDependency.prototype.transform = function(
      contents) {
    return contents;
  };


  /**
   * A goog.module, transpiled or not. Will always perform some minimal
   * transformation even when not transpiled to wrap in a goog.loadModule
   * statement.
   *
   * @param {string} path Absolute path of this script.
   * @param {string} relativePath Path of this script relative to goog.basePath.
   * @param {!Array<string>} provides goog.provided or goog.module symbols
   *     in this file.
   * @param {!Array<string>} requires goog symbols or relative paths to Closure
   *     this depends on.
   * @param {!Object<string, string>} loadFlags
   * @struct @constructor
   * @extends {goog.TransformedDependency}
   */
  goog.GoogModuleDependency = function(
      path, relativePath, provides, requires, loadFlags) {
    goog.GoogModuleDependency.base(
        this, 'constructor', path, relativePath, provides, requires, loadFlags);
  };
  goog.inherits(goog.GoogModuleDependency, goog.TransformedDependency);


  /**
   * @override
   * @param {string} contents
   * @return {string}
   */
  goog.GoogModuleDependency.prototype.transform = function(contents) {
    if (!goog.LOAD_MODULE_USING_EVAL || goog.global.JSON === undefined) {
      return '' +
          'goog.loadModule(function(exports) {' +
          '"use strict";' + contents +
          '\n' +  // terminate any trailing single line comment.
          ';return exports' +
          '});' +
          '\n//# sourceURL=' + this.path + '\n';
    } else {
      return '' +
          'goog.loadModule(' +
          goog.global.JSON.stringify(
              contents + '\n//# sourceURL=' + this.path + '\n') +
          ');';
    }
  };


  /**
   * @param {string} relPath
   * @param {!Array<string>|undefined} provides
   * @param {!Array<string>} requires
   * @param {boolean|!Object<string>=} opt_loadFlags
   * @see goog.addDependency
   */
  goog.DebugLoader_.prototype.addDependency = function(
      relPath, provides, requires, opt_loadFlags) {
    provides = provides || [];
    relPath = relPath.replace(/\\/g, '/');
    var path = goog.normalizePath_(goog.basePath + relPath);
    if (!opt_loadFlags || typeof opt_loadFlags === 'boolean') {
      opt_loadFlags = opt_loadFlags ? {'module': goog.ModuleType.GOOG} : {};
    }
    var dep = this.factory_.createDependency(
        path, relPath, provides, requires, opt_loadFlags);
    this.dependencies_[path] = dep;
    for (var i = 0; i < provides.length; i++) {
      this.idToPath_[provides[i]] = path;
    }
    this.idToPath_[relPath] = path;
  };


  /**
   * Creates goog.Dependency instances for the debug loader to load.
   *
   * Should be overridden to have the debug loader use custom subclasses of
   * goog.Dependency.
   *
   * @struct @constructor
   */
  goog.DependencyFactory = function() {};


  /**
   * @param {string} path Absolute path of the file.
   * @param {string} relativePath Path relative to closure’s base.js.
   * @param {!Array<string>} provides Array of provided goog.provide/module ids.
   * @param {!Array<string>} requires Array of required goog.provide/module /
   *     relative ES6 module paths.
   * @param {!Object<string, string>} loadFlags
   * @return {!goog.Dependency}
   */
  goog.DependencyFactory.prototype.createDependency = function(
      path, relativePath, provides, requires, loadFlags) {
    // MOE:begin_strip
    var provide, require;
    for (var i = 0; provide = provides[i]; i++) {
      goog.dependencies_.nameToPath[provide] = relativePath;
      goog.dependencies_.loadFlags[relativePath] = loadFlags;
    }
    for (var j = 0; require = requires[j]; j++) {
      if (!(relativePath in goog.dependencies_.requires)) {
        goog.dependencies_.requires[relativePath] = {};
      }
      goog.dependencies_.requires[relativePath][require] = true;
    }
    // MOE:end_strip

    if (loadFlags['module'] == goog.ModuleType.GOOG) {
      return new goog.GoogModuleDependency(
          path, relativePath, provides, requires, loadFlags);
    } else {
      if (loadFlags['module'] == goog.ModuleType.ES6) {
        if (goog.ASSUME_ES_MODULES_TRANSPILED) {
          return new goog.PreTranspiledEs6ModuleDependency(
              path, relativePath, provides, requires, loadFlags);
        } else {
          return new goog.Es6ModuleDependency(
              path, relativePath, provides, requires, loadFlags);
        }
      } else {
        return new goog.Dependency(
            path, relativePath, provides, requires, loadFlags);
      }
    }
  };


  /** @private @const */
  goog.debugLoader_ = new goog.DebugLoader_();


  /**
   * Loads the Closure Dependency file.
   *
   * Exposed a public function so CLOSURE_NO_DEPS can be set to false, base
   * loaded, setDependencyFactory called, and then this called. i.e. allows
   * custom loading of the deps file.
   */
  goog.loadClosureDeps = function() {
    goog.debugLoader_.loadClosureDeps();
  };


  /**
   * Sets the dependency factory, which can be used to create custom
   * goog.Dependency implementations to control how dependencies are loaded.
   *
   * Note: if you wish to call this function and provide your own implemnetation
   * it is a wise idea to set CLOSURE_NO_DEPS to true, otherwise the dependency
   * file and all of its goog.addDependency calls will use the default factory.
   * You can call goog.loadClosureDeps to load the Closure dependency file
   * later, after your factory is injected.
   *
   * @param {!goog.DependencyFactory} factory
   */
  goog.setDependencyFactory = function(factory) {
    goog.debugLoader_.setDependencyFactory(factory);
  };


  /**
   * Trusted Types policy for the debug loader.
   * @private @const {?TrustedTypePolicy}
   */
  goog.TRUSTED_TYPES_POLICY_ = goog.TRUSTED_TYPES_POLICY_NAME ?
      goog.createTrustedTypesPolicy(goog.TRUSTED_TYPES_POLICY_NAME + '#base') :
      null;

  if (!goog.global.CLOSURE_NO_DEPS) {
    goog.debugLoader_.loadClosureDeps();
  }


  /**
   * Bootstraps the given namespaces and calls the callback once they are
   * available either via goog.require. This is a replacement for using
   * `goog.require` to bootstrap Closure JavaScript. Previously a `goog.require`
   * in an HTML file would guarantee that the require'd namespace was available
   * in the next immediate script tag. With ES6 modules this no longer a
   * guarantee.
   *
   * @param {!Array<string>} namespaces
   * @param {function(): ?} callback Function to call once all the namespaces
   *     have loaded. Always called asynchronously.
   */
  goog.bootstrap = function(namespaces, callback) {
    goog.debugLoader_.bootstrap(namespaces, callback);
  };
}


if (!COMPILED) {
  var isChrome87 = false;
  // Cannot run check for Chrome <87 bug in case of strict CSP environments.
  // TODO(aaronshim): Remove once Chrome <87 bug is no longer a problem.
  try {
    isChrome87 = eval(goog.global.trustedTypes.emptyScript) !==
        goog.global.trustedTypes.emptyScript;
  } catch (err) {
  }

  /**
   * Trusted Types for running dev servers.
   *
   * @private @const
   */
  goog.CLOSURE_EVAL_PREFILTER_ =
      // Detect Chrome <87 bug with TT and eval.
      goog.global.trustedTypes && isChrome87 &&
          goog.createTrustedTypesPolicy('goog#base#devonly#eval') ||
      {createScript: goog.identity_};
}

//third_party/javascript/threejs/r125/typings/shim-index.js
goog.loadModule(function(exports) {'use strict';/**
 * @license
 *
 * The MIT License
 *
 * Copyright © 2010-2019 three.js authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/**
 * @fileoverview Closure shim module for THREE typings.
 *
 * When using these typings from TypeScript, you write:
 *   import * as ... from 'THREE';
 *
 * That code compiles into a goog.require() statement, which is
 * satisfied by this file.
 *
 * Note: your app is responsible for ensuring THREE is loaded and
 * available on window, e.g. via a <script> tag.
 */
goog.module('google3.third_party.javascript.threejs.r125.typings.index');


// Access "window.THREE" so that code that depends on this shim (possibly
// through a transitive dependency), but not on THREE itself, won't fail.
/** @type {?} */
exports = goog.global['THREE'];

;return exports;});

//third_party/javascript/tslib/tslib_closure.js
goog.loadModule(function(exports) {'use strict';/**
 * @fileoverview
 * Hand-modified Closure version of tslib.js.
 * These use the literal space optimized code from TypeScript for
 * compatibility.
 *
 * @suppress {undefinedVars}
 */

// Do not use @license

/******************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */

goog.module('google3.third_party.javascript.tslib.tslib');

/** @suppress {missingPolyfill} the code below intentionally feature-tests. */
var extendStatics = Object.setPrototypeOf ||
    function(d, b) {
      for (var p in b)
        if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];
    };

/**
 * @param {?} d
 * @param {?} b
 */
exports.__extends = function(d, b) {
  extendStatics(d, b);
  // LOCAL MODIFICATION: Add jsdoc annotation here:
  /** @constructor */
  function __() { /** @type {?} */
    (this).constructor = d;
  }
  d.prototype =
      b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};

/** @type {typeof Object.assign} */
exports.__assign = Object.assign || /** @return {?} */ function(/** ? */ t) {
  for (var s, i = 1, n = arguments.length; i < n; i++) {
    s = arguments[i];
    for (var p in s)
      if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
  }
  return t;
};

/**
 * @param {?} s
 * @param {?} e
 * @return {?}
 */
exports.__rest = function(s, e) {
  var t = {};
  for (var p in s)
    if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
      t[p] = s[p];
  if (s != null && typeof Object.getOwnPropertySymbols === 'function')
    for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
      if (e.indexOf(p[i]) < 0 &&
          Object.prototype.propertyIsEnumerable.call(s, p[i]))
        t[p[i]] = s[p[i]];
    }
  return t;
};

/**
 * @param {?} decorators
 * @param {T} target
 * @param {?=} key
 * @param {?=} desc
 * @return {T}
 * @template T
 */
exports.__decorate = function(decorators, target, key, desc) {
  var c = arguments.length,
      r = c < 3     ? target :
      desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) :
                      desc,
      d;
  // google3 local modification: use quoted property access to work around
  // https://b.corp.google.com/issues/77140019.
  if (typeof Reflect === 'object' && Reflect &&
      typeof Reflect['decorate'] === 'function')
    r = Reflect['decorate'](decorators, target, key, desc);
  else
    for (var i = decorators.length - 1; i >= 0; i--)
      if (d = decorators[i])
        r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
  return c > 3 && r && Object.defineProperty(target, key, r), r;
};

/**
 * @param {?} paramIndex
 * @param {?} decorator
 * @return {?}
 */
exports.__param = function(paramIndex, decorator) {
  return function(target, key) {
    decorator(target, key, paramIndex);
  };
};

/**
 * @param {?} metadataKey
 * @param {?} metadataValue
 * @return {?}
 */
exports.__metadata = function(metadataKey, metadataValue) {
  // google3 local modification: use quoted property access to work around
  // https://b.corp.google.com/issues/77140019.
  if (typeof Reflect === 'object' && Reflect &&
      typeof Reflect['metadata'] === 'function')
    return Reflect['metadata'](metadataKey, metadataValue);
};

/**
 * @template T
 * @param {T} thisArg
 * @param {?} _arguments
 * @param {?} P
 * @param {function(this:T)} generator
 * @return {?}
 */
exports.__awaiter = function(thisArg, _arguments, P, generator) {
  function adopt(value) {
    return value instanceof P ? value : new P(function(resolve) {
      resolve(value);
    });
  }
  return new (P || (P = Promise))(function(resolve, reject) {
    // LOCAL MODIFICATION: Cannot express the function + keys pattern in
    // closure, so we escape generator.next with ? type.
    function fulfilled(value) {
      try {
        step((/** @type {?} */ (generator)).next(value));
      } catch (e) {
        reject(e);
      }
    }
    function rejected(value) {
      try {
        step(generator['throw'](value));
      } catch (e) {
        reject(e);
      }
    }
    function step(result) {
      result.done ? resolve(result.value) :
                    adopt(result.value).then(fulfilled, rejected);
    }
    step((generator = generator.apply(thisArg, _arguments || [])).next());
  });
};

/**
 * @param {?} thisArg
 * @param {?} body
 * @return {?}
 */
exports.__generator = function(thisArg, body) {
  var _ = {
    label: 0,
    sent: function() {
      if (t[0] & 1) throw (/** @type {!Error} */ (t[1]));
      return t[1];
    },
    trys: [],
    ops: []
  },
      f, y, t, g;
  // LOCAL MODIFICATION: Originally iterator body was "return this", but it
  // doesn't compile as this is unknown. Changed to g, which is equivalent.
  return g = {next: verb(0), 'throw': verb(1), 'return': verb(2)},
         typeof Symbol === 'function' && (g[Symbol.iterator] = function() {
           return g;
         }), g;
  function verb(n) {
    return function(v) {
      return step([n, v]);
    };
  }
  /**
   * @suppress {strictMissingProperties} TODO(b/214874268): Remove
   * strictMissingProperties suppression after b/214427036 is fixed
   */
  function step(op) {
    if (f) throw new TypeError('Generator is already executing.');
    while (_) try {
        if (f = 1,
            y &&
                (t = op[0] & 2 ? y['return'] :
                     op[0] ? y['throw'] || ((t = y['return']) && t.call(y), 0) :
                             y.next) &&
                !(t = t.call(y, op[1])).done)
          return t;
        if (y = 0, t) op = [op[0] & 2, t.value];
        switch (op[0]) {
          case 0:
          case 1:
            t = op;
            break;
          case 4:
            _.label++;
            return {value: op[1], done: false};
          case 5:
            _.label++;
            y = op[1];
            op = [0];
            continue;
          case 7:
            op = _.ops.pop();
            _.trys.pop();
            continue;
          default:
            if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) &&
                (op[0] === 6 || op[0] === 2)) {
              _ = 0;
              continue;
            }
            if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) {
              _.label = op[1];
              break;
            }
            if (op[0] === 6 && _.label < t[1]) {
              _.label = t[1];
              t = op;
              break;
            }
            if (t && _.label < t[2]) {
              _.label = t[2];
              _.ops.push(op);
              break;
            }
            if (t[2]) _.ops.pop();
            _.trys.pop();
            continue;
        }
        op = body.call(thisArg, _);
      } catch (e) {
        op = [6, e];
        y = 0;
      } finally {
        f = t = 0;
      }
    if (op[0] & 5) throw (/** @type {!Error} */ (op[1]));
    return {value: op[0] ? op[1] : void 0, done: true};
  }
};

/**
 * @param {?} m
 * @param {?} o
 */
exports.__exportStar = function(m, o) {
  for (var p in m)
    if (!o.hasOwnProperty(p)) o[p] = m[p];
};

/**
 * @param {?} o
 * @return {?}
 */
exports.__values = function(o) {
  var m = typeof Symbol === 'function' && o[Symbol.iterator], i = 0;
  if (m) return m.call(o);
  return {
    next: function() {
      if (o && i >= o.length) o = void 0;
      return {value: o && o[i++], done: !o};
    }
  };
};

/**
 * @param {?} o
 * @param {?=} n
 * @return {?}
 */
exports.__read = function(o, n) {
  var m = typeof Symbol === 'function' && o[Symbol.iterator];
  if (!m) return o;
  var i = m.call(o), r, ar = [], e;
  try {
    while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
  } catch (error) {
    e = {error: error};
  } finally {
    try {
      if (r && !r.done && (m = i['return'])) m.call(i);
    } finally {
      if (e) throw (/** @type {!Error} */ (e.error));
    }
  }
  return ar;
};


/** @deprecated */
exports.__spread = function() {
  for (var ar = [], i = 0; i < arguments.length; i++)
    ar = ar.concat(exports.__read(arguments[i]));
  return ar;
};

/** @deprecated */
exports.__spreadArrays = function() {
  for (var s = 0, i = 0, il = arguments.length; i < il; i++)
    s += arguments[i].length;
  for (var r = Array(s), k = 0, i = 0; i < il; i++)
    for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
      r[k] = a[j];
  return r;
};

/**
 * @param {!Array<?>} to
 * @param {!Array<?>} from
 * @param {!Array<?>} pack
 * @return {!Array<?>}
 */
exports.__spreadArray = function(to, from, pack) {
  // LOCAL MODIFICATION: https://github.com/microsoft/TypeScript/issues/43353
  // We have to accept NodeList because they don't implement Iterable in Edge.
  if (!Array.isArray(from) && !(from instanceof NodeList)) {
    throw new TypeError('Expected an Array or NodeList: ' + String(from));
  }
  // END LOCAL MODIFICATION
  if (pack || arguments.length === 2)
    for (var i = 0, l = from.length, ar; i < l; i++) {
      if (ar || !(i in from)) {
        if (!ar) ar = Array.prototype.slice.call(from, 0, i);
        ar[i] = from[i];
      }
    }
  return to.concat(ar || Array.prototype.slice.call(from));
};

/**
 * @constructor
 * LOCAL MODIFICATION: Originally used "this" in function body,
 * @this {?}
 * END LOCAL MODIFICATION
 * @param {?} v
 * @return {?}
 */
exports.__await = function(v) {
  return this instanceof exports.__await ? (this.v = v, this) :
                                           new exports.__await(v);
};

/**
 * @template T
 * @param {T} thisArg
 * @param {?} _arguments
 * @param {function(this:T)} generator
 * @return {?}
 */
exports.__asyncGenerator = function(thisArg, _arguments, generator) {
  if (!Symbol.asyncIterator)
    throw new TypeError('Symbol.asyncIterator is not defined.');
  var g = generator.apply(thisArg, _arguments || []), i, q = [];
  return i = {}, verb('next'), verb('throw'), verb('return'),
         i[Symbol.asyncIterator] = function() {
           return (/** @type {?} */ (this));
         }, i;
  function verb(n) {
    if (g[n])
      i[n] = function(v) {
        return new Promise(function(a, b) {
          q.push([n, v, a, b]) > 1 || resume(n, v);
        });
      };
  }
  function resume(n, v) {
    try {
      step(g[n](v));
    } catch (e) {
      settle(q[0][3], e);
    }
  }
  function step(r) {
    r.value instanceof exports.__await ?
        Promise.resolve(/** @type {?} */ (r.value).v).then(fulfill, reject) :
        settle(q[0][2], r);
  }
  function fulfill(value) {
    resume('next', value);
  }
  function reject(value) {
    resume('throw', value);
  }
  function settle(f, v) {
    if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]);
  }
};

/**
 * @param {?} o
 * @return {?}
 */
exports.__asyncDelegator = function(o) {
  var i, p;
  // LOCAL MODIFICATION: Originally iterator body was "return this", but it
  // doesn't compile in some builds, as this is unknown. Changed to i, which is
  // equivalent.
  return i = {}, verb('next'), verb('throw', function(e) {
           throw e;
         }), verb('return'), i[Symbol.iterator] = function() {
    return i;
  }, i;
  /**
   * @param {?} n
   * @param {?=} f
   * @return {?}
   */
  function verb(n, f) {
    i[n] = o[n] ? function(v) {
      return (p = !p) ?
          {value: new exports.__await(o[n](v)), done: n === 'return'} :
          f ? f(v) :
              v;
    } : f;
  }
};

/**
 * @param {?} o
 * @return {?}
 */
exports.__asyncValues = function(o) {
  if (!Symbol.asyncIterator)
    throw new TypeError('Symbol.asyncIterator is not defined.');
  var m = o[Symbol.asyncIterator], i;
  return m ?
      m.call(o) :
      (o = typeof __values === 'function' ? __values(o) : o[Symbol.iterator](),
       i = {}, verb('next'), verb('throw'), verb('return'),
       i[Symbol.asyncIterator] = function() {
         return (/** @type {?} */ (this));
       }, i);
  function verb(n) {
    i[n] = o[n] && function(v) {
      return new Promise(function(resolve, reject) {
        v = o[n](v), settle(resolve, reject, v.done, v.value);
      });
    };
  }
  function settle(resolve, reject, d, v) {
    Promise.resolve(v).then(function(v) {
      resolve({value: v, done: d});
    }, reject);
  }
};

/**
 * @param {?=} cooked
 * @param {?=} raw
 * @return {?}
 */
exports.__makeTemplateObject = function(cooked, raw) {
  if (Object.defineProperty) {
    Object.defineProperty(cooked, 'raw', {value: raw});
  } else {
    cooked.raw = raw;
  }
  return cooked;
};

/**
 * @param {?} receiver
 * @param {?} state
 * @param {?} kind
 * @param {?} f
 * @return {?}
 */
exports.__classPrivateFieldGet = function(receiver, state, kind, f) {
  if (kind === 'a' && !f)
    throw new TypeError('Private accessor was defined without a getter');
  if (typeof state === 'function' ? receiver !== state || !f :
                                    !state.has(receiver))
    throw new TypeError(
        'Cannot read private member from an object whose class did not declare it');
  return kind === 'm' ? f :
      kind === 'a'    ? f.call(receiver) :
      f               ? f.value :
                        state.get(receiver);
};

/**
 * @param {?} receiver
 * @param {?} state
 * @param {?} value
 * @param {?} kind
 * @param {?} f
 * @return {?}
 */
exports.__classPrivateFieldSet = function(receiver, state, value, kind, f) {
  if (kind === 'm') throw new TypeError('Private method is not writable');
  if (kind === 'a' && !f)
    throw new TypeError('Private accessor was defined without a setter');
  if (typeof state === 'function' ? receiver !== state || !f :
                                    !state.has(receiver))
    throw new TypeError(
        'Cannot write private member to an object whose class did not declare it');
  return (kind === 'a' ? f.call(receiver, value) :
              f        ? f.value = value :
                         state.set(receiver, value)),
         value;
};

/**
 * @param {?} state
 * @param {?} receiver
 * @return {?}
 */
exports.__classPrivateFieldIn = function(state, receiver) {
  if (receiver === null ||
      (typeof receiver !== 'object' && typeof receiver !== 'function'))
    throw new TypeError('Cannot use \'in\' operator on non-object');
  return typeof state === 'function' ? receiver === state : state.has(receiver);
};

;return exports;});

//third_party/mediapipe/web/solutions/control_utils_3d/control_utils_3d.closure.js
goog.loadModule(function(exports) {'use strict';/**
 *
 * @fileoverview A collection of generally useful functions for 3D controls and
 * data.
 *
 * Generated from: third_party/mediapipe/web/solutions/control_utils_3d/control_utils_3d.ts
 * @suppress {checkTypes} added by tsickle
 * @suppress {extraRequire} added by tsickle
 * @suppress {missingRequire} added by tsickle
 * @suppress {uselessCode} added by tsickle
 * @suppress {missingReturn} added by tsickle
 * @suppress {unusedPrivateMembers} added by tsickle
 * @suppress {missingOverride} added by tsickle
 * @suppress {const} added by tsickle
 */
goog.module('google3.third_party.mediapipe.web.solutions.control_utils_3d.control_utils_3d');
var module = module || { id: 'third_party/mediapipe/web/solutions/control_utils_3d/control_utils_3d.closure.js' };
goog.require('google3.third_party.javascript.tslib.tslib');
const tsickle_landmark_1 = goog.requireType("google3.third_party.mediapipe.web.solutions.utils.transform_utils.landmark");
/** @typedef {!Array<!Array<number>>} */
var Matrix;
/**
 * Converts a landmark into a homogenous column vector.
 * @param {!tsickle_landmark_1.NormalizedLandmark} landmark
 * @return {!Array<!Array<number>>}
 */
function landmarkToColumnVector(landmark) {
    return [[landmark.x], [landmark.y], [landmark.z], [1]];
}
exports.landmarkToColumnVector = landmarkToColumnVector;
goog.exportSymbol('landmarkToColumnVector', landmarkToColumnVector);
/**
 * Converts a column vector to a Normalized Landmark.
 * @param {!Array<!Array<number>>} v
 * @return {!tsickle_landmark_1.NormalizedLandmark}
 */
function columnVectorToLandmark(v) {
    return ({
        x: v[0][0],
        y: v[1][0],
        z: v[2][0],
    });
}
exports.columnVectorToLandmark = columnVectorToLandmark;
goog.exportSymbol('columnVectorToLandmark', columnVectorToLandmark);
/**
 * Given a set of points, a transform matrix, and a projection matrix, returns a
 * list of landmarks in normalized device coordinates (NDC).
 * @param {(!Array<!Array<number>>|!Array<!tsickle_landmark_1.NormalizedLandmark>)} points
 * @param {!Array<!Array<number>>} transform
 * @param {!Array<!Array<number>>} projection
 * @return {!Array<!tsickle_landmark_1.NormalizedLandmark>}
 */
function convertToNDC(points, transform, projection) {
    /** @type {!Array<!Array<number>>} */
    let vectors = [[], [], [], []];
    if (points.length === 0) {
        return [];
    }
    if (!Array.isArray(points[0])) {
        for (const landmark of points) {
            /** @type {!Array<!Array<number>>} */
            const cVector = landmarkToColumnVector((/** @type {!tsickle_landmark_1.NormalizedLandmark} */ (landmark)));
            vectors[0].push(cVector[0][0]);
            vectors[1].push(cVector[1][0]);
            vectors[2].push(cVector[2][0]);
            vectors[3].push(cVector[3][0]);
        }
    }
    else {
        vectors = (/** @type {!Array<!Array<number>>} */ (points));
    }
    vectors = matrixMultiply(projection, matrixMultiply(transform, vectors));
    /** @type {!Array<!tsickle_landmark_1.NormalizedLandmark>} */
    const result = [];
    for (let i = 0; i < vectors[0].length; i++) {
        result.push({
            x: vectors[0][i] / vectors[3][i],
            y: vectors[1][i] / vectors[3][i],
            z: vectors[2][i] / vectors[3][i],
        });
    }
    return result;
}
exports.convertToNDC = convertToNDC;
goog.exportSymbol('convertToNDC', convertToNDC);
/**
 * Multiplies two number matrices together and returns the result.
 * @param {!Array<!Array<number>>} a
 * @param {!Array<!Array<number>>} b
 * @return {!Array<!Array<number>>}
 */
function matrixMultiply(a, b) {
    /** @type {number} */
    const aNumRows = a.length;
    /** @type {number} */
    const aNumCols = a[0].length;
    /** @type {number} */
    const bNumCols = b[0].length;
    /** @type {number} */
    const bNumRows = b.length;
    /** @type {!Array<!Array<number>>} */
    const m = (/** @type {!Array<!Array<number>>} */ ([]));
    if (aNumCols !== bNumRows) {
        throw new Error('Row Column Mismatch');
    }
    for (let r = 0; r < aNumRows; ++r) {
        m.push([]);
        for (let c = 0; c < bNumCols; ++c) {
            m[r].push(0);
            for (let i = 0; i < aNumCols; ++i) {
                m[r][c] += a[r][i] * b[i][c];
            }
        }
    }
    return m;
}
exports.matrixMultiply = matrixMultiply;
goog.exportSymbol('matrixMultiply', matrixMultiply);
/**
 * Makes a projection matrix for a perspective camera from a set of parameters.
 * @param {number} fov
 * @param {number} near
 * @param {number} far
 * @param {number=} aspectRatio
 * @return {!Array<!Array<number>>}
 */
function makeProjectionMatrix(fov, near, far, aspectRatio = 1) {
    /** @type {number} */
    const f = 1 / Math.tan(fov * Math.PI / 360);
    /** @type {number} */
    const denom = 1 / (near - far);
    return [
        [f / aspectRatio, 0, 0, 0],
        [0, f, 0, 0],
        [0, 0, (near + far) * denom, 2 * denom * far * near],
        [0, 0, -1, 0],
    ];
}
exports.makeProjectionMatrix = makeProjectionMatrix;
goog.exportSymbol('makeProjectionMatrix', makeProjectionMatrix);
/**
 * Results object for extractFromXYZUVArray
 * @record
 */
function ExtractionResultsXYZUV() { }
exports.ExtractionResultsXYZUV = ExtractionResultsXYZUV;
/* istanbul ignore if */
if (false) {
    /**
     * @type {!Array<number>}
     * @public
     */
    ExtractionResultsXYZUV.prototype.textureCoords;
    /**
     * @type {!Array<!Array<number>>}
     * @public
     */
    ExtractionResultsXYZUV.prototype.vertexCoords;
}
/**
 * Extracts a positional vector list and a texture array from a flat array.
 * @param {!ArrayLike<number>} buffer
 * @return {!ExtractionResultsXYZUV}
 */
function extractFromXYZUVArray(buffer) {
    /** @type {!Array<!Array<number>>} */
    const vertexCoords = [[], [], [], []];
    /** @type {!Array<number>} */
    const textureCoords = [];
    for (let i = 0; i < buffer.length; i += 5) {
        vertexCoords[0].push(buffer[i]);
        vertexCoords[1].push(buffer[i + 1]);
        vertexCoords[2].push(buffer[i + 2]);
        vertexCoords[3].push(1);
        textureCoords.push(buffer[i + 3]);
        textureCoords.push(buffer[i + 4]);
    }
    return ({
        textureCoords,
        vertexCoords,
    });
}
exports.extractFromXYZUVArray = extractFromXYZUVArray;
goog.exportSymbol('extractFromXYZUVArray', extractFromXYZUVArray);
//# sourceMappingURL=data:application/json;base64, 
;return exports;});

//third_party/mediapipe/web/solutions/control_utils_3d/util.closure.js
goog.loadModule(function(exports) {'use strict';/**
 *
 * @fileoverview A collection of shared resources between control utils 3d.
 *
 * Generated from: third_party/mediapipe/web/solutions/control_utils_3d/util.ts
 * @suppress {checkTypes} added by tsickle
 * @suppress {extraRequire} added by tsickle
 * @suppress {missingRequire} added by tsickle
 * @suppress {uselessCode} added by tsickle
 * @suppress {missingReturn} added by tsickle
 * @suppress {unusedPrivateMembers} added by tsickle
 * @suppress {missingOverride} added by tsickle
 * @suppress {const} added by tsickle
 */
goog.module('google3.third_party.mediapipe.web.solutions.control_utils_3d.util');
var module = module || { id: 'third_party/mediapipe/web/solutions/control_utils_3d/util.closure.js' };
goog.require('google3.third_party.javascript.tslib.tslib');
const tsickle_landmark_1 = goog.requireType("google3.third_party.mediapipe.web.solutions.utils.transform_utils.landmark");
const tsickle_typings_2 = goog.requireType("google3.third_party.javascript.threejs.r125.typings.index");
const THREE = goog.require('google3.third_party.javascript.threejs.r125.typings.index');
/**
 * Converts a landmark to a vector in the THREE scene
 * @param {!tsickle_landmark_1.NormalizedLandmark} point
 * @return {!tsickle_typings_2.Vector3}
 */
function landmarkToVector(point) {
    // The Y and Z orientations are flipped in three.js compared to the y and z
    // orientations in solutions
    return new THREE.Vector3(point.x, -point.y, -point.z);
}
exports.landmarkToVector = landmarkToVector;
/**
 * Returns a copy of a landmark
 * @param {!tsickle_landmark_1.NormalizedLandmark} e
 * @return {!tsickle_landmark_1.NormalizedLandmark}
 */
function copyLandmark(e) {
    return { x: e.x, y: e.y, z: e.z, visibility: e.visibility };
}
exports.copyLandmark = copyLandmark;
/** @type {!tsickle_typings_2.Vector3} */
const ORIGIN = new THREE.Vector3();
/** @type {string} */
const PAUSE_SRC = 'https://fonts.gstatic.com/s/i/googlematerialicons/pause/v14/white-24dp/1x/gm_pause_white_24dp.png';
/** @type {string} */
const PLAY_SRC = 'https://fonts.gstatic.com/s/i/googlematerialicons/play_arrow/v14/white-24dp/1x/gm_play_arrow_white_24dp.png';
/**
 * ViewerWidget configuration
 * @record
 */
function ViewerWidgetConfig() { }
exports.ViewerWidgetConfig = ViewerWidgetConfig;
/* istanbul ignore if */
if (false) {
    /**
     * @type {(undefined|number)}
     * @public
     */
    ViewerWidgetConfig.prototype.backgroundColor;
    /**
     * @type {(undefined|number)}
     * @public
     */
    ViewerWidgetConfig.prototype.fovInDegrees;
    /**
     * @type {(undefined|boolean)}
     * @public
     */
    ViewerWidgetConfig.prototype.isRotating;
    /**
     * @type {(undefined|number)}
     * @public
     */
    ViewerWidgetConfig.prototype.rotationSpeed;
}
/** @type {?} */
const DEFAULT_VIEWER_WIDGET_CONFIG = {
    backgroundColor: 0,
    fovInDegrees: 75,
    isRotating: true,
    rotationSpeed: .1,
};
/**
 * Makes it so that a configuration has optional fields on the fields in the
 * Viewer Widget config rather than required.
 * @typedef {?}
 */
exports.BaseRequired;
/**
 * Base Class for viewing widgets. Sets up THREE.js and is useless by itself
 */
class ViewerWidget {
    /**
     * @public
     * @param {!HTMLElement} parent
     * @param {!ViewerWidgetConfig=} config
     */
    constructor(parent, config = {}) {
        this.distance = 150;
        this.rotation = 0;
        this.disposeQueue = [];
        this.removeQueue = [];
        this.config = { ...DEFAULT_VIEWER_WIDGET_CONFIG, ...config };
        this.container = document.createElement('div');
        this.container.classList.add('viewer-widget-js');
        /** @type {!HTMLCanvasElement} */
        const canvas = document.createElement('canvas');
        this.container.appendChild(canvas);
        parent.appendChild(this.container);
        /** @type {!DOMRect} */
        const parentBox = parent.getBoundingClientRect();
        this.addPausePlay(this.container);
        this.camera = new THREE.PerspectiveCamera(this.config.fovInDegrees, parentBox.width / parentBox.height, 1);
        this.camera.position.z = this.distance;
        this.camera.lookAt(ORIGIN);
        this.renderer =
            new THREE.WebGLRenderer({ canvas, alpha: true, antialias: true });
        this.renderer.setClearColor(new THREE.Color(this.config.backgroundColor), .5);
        this.renderer.setSize(Math.floor(parentBox.width), Math.floor(parentBox.height));
        window.addEventListener('resize', (/**
         * @return {void}
         */
        () => {
            /** @type {!DOMRect} */
            const box = this.container.getBoundingClientRect();
            this.renderer.setSize(Math.floor(box.width), Math.floor(box.height));
        }));
        this.scene = new THREE.Scene();
        this.setMouseDrag();
    }
    /**
     * @protected
     * @return {void}
     */
    render() {
        this.renderer.render(this.scene, this.camera);
    }
    /**
     * @protected
     * @return {void}
     */
    requestFrame() {
        window.requestAnimationFrame((/**
         * @return {void}
         */
        () => {
            if (this.config.isRotating) {
                this.rotation += this.config.rotationSpeed;
                this.camera.position.x = Math.sin(this.rotation) * this.distance;
                this.camera.position.z = Math.cos(this.rotation) * this.distance;
                this.camera.lookAt(ORIGIN);
            }
            this.render();
        }));
    }
    /**
     * @private
     * @return {void}
     */
    setMouseDrag() {
        /** @type {!HTMLCanvasElement} */
        const el = this.renderer.domElement;
        /** @type {number} */
        const elWidth = el.getBoundingClientRect().width;
        el.onmousedown = (/**
         * @param {!MouseEvent} event
         * @return {void}
         */
        (event) => {
            event.preventDefault();
            /** @type {number} */
            const speed = this.config.rotationSpeed;
            /** @type {number} */
            const origRotation = this.rotation;
            this.config.rotationSpeed = 0;
            /** @type {function(!MouseEvent): void} */
            const mouseMove = (/**
             * @param {!MouseEvent} e
             * @return {void}
             */
            (e) => {
                e.preventDefault();
                /** @type {number} */
                const rotation = 2 * Math.PI * (event.offsetX - e.offsetX) / elWidth;
                /** @type {number} */
                const distance = Math.hypot(this.camera.position.x, this.camera.position.z);
                this.rotation = origRotation + rotation;
                this.camera.position.x = Math.sin(this.rotation) * distance;
                this.camera.position.z = Math.cos(this.rotation) * distance;
                this.camera.lookAt(ORIGIN);
            });
            /** @type {function(!MouseEvent): void} */
            const mouseUp = (/**
             * @param {!MouseEvent} e
             * @return {void}
             */
            (e) => {
                e.preventDefault();
                el.removeEventListener('mousemove', mouseMove);
                this.config.rotationSpeed = speed;
                el.removeEventListener('mouseup', mouseUp);
            });
            el.addEventListener('mousemove', mouseMove);
            document.addEventListener('mouseup', mouseUp);
        });
    }
    /**
     * @private
     * @param {!HTMLElement} parent
     * @return {void}
     */
    addPausePlay(parent) {
        /** @type {!HTMLImageElement} */
        const button = document.createElement('img');
        button.classList.add('controls');
        button.src = this.config.isRotating ? PAUSE_SRC : PLAY_SRC;
        button.onclick = (/**
         * @return {void}
         */
        () => {
            if (this.config.isRotating) {
                button.src = PLAY_SRC;
                this.config.isRotating = false;
            }
            else {
                button.src = PAUSE_SRC;
                this.config.isRotating = true;
            }
        });
        parent.appendChild(button);
    }
    /**
     * @protected
     * @return {void}
     */
    clearResources() {
        for (const e of this.removeQueue) {
            if (e.parent)
                e.parent.remove(e);
        }
        this.removeQueue = [];
        for (const e of this.disposeQueue) {
            e.dispose();
        }
        this.disposeQueue = [];
    }
    /**
     * @protected
     * @return {number}
     */
    getDistance() {
        return this.distance;
    }
    /**
     * @public
     * @param {number} distance
     * @return {void}
     */
    setDistance(distance) {
        this.distance = distance;
        this.camera.position.x = Math.sin(this.rotation) * this.distance;
        this.camera.position.z = Math.cos(this.rotation) * this.distance;
        this.camera.lookAt(ORIGIN);
    }
    /**
     * @protected
     * @param {!tsickle_typings_2.Vector3} position
     * @return {!tsickle_typings_2.Vector3}
     */
    getCanvasPosition(position) {
        /** @type {!DOMRect} */
        const size = this.renderer.domElement.getBoundingClientRect();
        /** @type {!tsickle_typings_2.Vector3} */
        const vector = position.clone().project(this.camera);
        // Converts from NDC ([-1, 1]) to canvas space ([0, canvas.width])
        vector.x = Math.round((0.5 + vector.x * 0.5) * size.width);
        // Converts from NDC ([-1, 1]) to canvas space ([0, canvas.height])
        vector.y = Math.round((0.5 - vector.y * 0.5) * size.height);
        vector.z = 0;
        return vector;
    }
}
exports.ViewerWidget = ViewerWidget;
/* istanbul ignore if */
if (false) {
    /**
     * @const {!tsickle_typings_2.PerspectiveCamera}
     * @protected
     */
    ViewerWidget.prototype.camera;
    /**
     * @const {!tsickle_typings_2.WebGLRenderer}
     * @protected
     */
    ViewerWidget.prototype.renderer;
    /**
     * @const {!tsickle_typings_2.Scene}
     * @protected
     */
    ViewerWidget.prototype.scene;
    /**
     * @const {!HTMLDivElement}
     * @protected
     */
    ViewerWidget.prototype.container;
    /**
     * @const {?}
     * @protected
     */
    ViewerWidget.prototype.config;
    /**
     * @type {number}
     * @private
     */
    ViewerWidget.prototype.distance;
    /**
     * @type {number}
     * @protected
     */
    ViewerWidget.prototype.rotation;
    /**
     * @type {!Array<!tsickle_typings_2.BufferGeometry>}
     * @protected
     */
    ViewerWidget.prototype.disposeQueue;
    /**
     * @type {!Array<!tsickle_typings_2.Object3D>}
     * @protected
     */
    ViewerWidget.prototype.removeQueue;
}
//# sourceMappingURL=data:application/json;base64, 
;return exports;});

//third_party/mediapipe/web/solutions/control_utils_3d/landmark_grid.closure.js
goog.loadModule(function(exports) {'use strict';/**
 *
 * @fileoverview This library provides a 3D drawing utility on a NxNxN grid in a
 * 1x1x1 space.
 *
 * Generated from: third_party/mediapipe/web/solutions/control_utils_3d/landmark_grid.ts
 * @suppress {checkTypes} added by tsickle
 * @suppress {extraRequire} added by tsickle
 * @suppress {missingRequire} added by tsickle
 * @suppress {uselessCode} added by tsickle
 * @suppress {missingReturn} added by tsickle
 * @suppress {unusedPrivateMembers} added by tsickle
 * @suppress {missingOverride} added by tsickle
 * @suppress {const} added by tsickle
 */
goog.module('google3.third_party.mediapipe.web.solutions.control_utils_3d.landmark_grid');
var module = module || { id: 'third_party/mediapipe/web/solutions/control_utils_3d/landmark_grid.closure.js' };
goog.require('google3.third_party.javascript.tslib.tslib');
const tsickle_landmark_1 = goog.requireType("google3.third_party.mediapipe.web.solutions.utils.transform_utils.landmark");
const tsickle_typings_2 = goog.requireType("google3.third_party.javascript.threejs.r125.typings.index");
const tsickle_util_3 = goog.requireType("google3.third_party.mediapipe.web.solutions.control_utils_3d.util");
const THREE = goog.require('google3.third_party.javascript.threejs.r125.typings.index');
const util = goog.require('google3.third_party.mediapipe.web.solutions.control_utils_3d.util');
/**
 * A connection between two landmarks
 * @typedef {!Array<number>}
 */
var Connection;
/**
 * A list of connections between landmarks
 * @typedef {!Array<!Array<number>>}
 */
var ConnectionList;
/**
 * An interface for specifying colors for lists (e.g. landmarks and connections)
 * @typedef {!Array<{color: (undefined|string), list: !Array<?>}>}
 */
var ColorMap;
/**
 * Name for a color
 * @typedef {string}
 */
var ColorName;
/**
 * An interface for containing number labels and data about them.
 * @record
 */
function NumberLabel() { }
/* istanbul ignore if */
if (false) {
    /**
     * @type {!HTMLSpanElement}
     * @public
     */
    NumberLabel.prototype.element;
    /**
     * @type {!tsickle_typings_2.Vector3}
     * @public
     */
    NumberLabel.prototype.position;
    /**
     * @type {number}
     * @public
     */
    NumberLabel.prototype.value;
}
/**
 * Configuration for the landmark grid.
 * @record
 * @extends {tsickle_util_3.ViewerWidgetConfig}
 */
function LandmarkGridConfig() { }
exports.LandmarkGridConfig = LandmarkGridConfig;
/* istanbul ignore if */
if (false) {
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.axesColor;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.axesWidth;
    /**
     * The "centered" attribute describes whether the grid should use the center
     * of the bounding box of the landmarks as the origin.
     * @type {(undefined|boolean)}
     * @public
     */
    LandmarkGridConfig.prototype.centered;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.connectionColor;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.connectionWidth;
    /**
     * @type {(undefined|!Array<{name: string, value: number}>)}
     * @public
     */
    LandmarkGridConfig.prototype.definedColors;
    /**
     * The "fitToGrid" attribute describes whether the grid should dynamically
     * resize based on the landmarks given.
     * @type {(undefined|boolean)}
     * @public
     */
    LandmarkGridConfig.prototype.fitToGrid;
    /**
     * @type {(undefined|string)}
     * @public
     */
    LandmarkGridConfig.prototype.labelPrefix;
    /**
     * @type {(undefined|string)}
     * @public
     */
    LandmarkGridConfig.prototype.labelSuffix;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.landmarkColor;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.landmarkSize;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.margin;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.minVisibility;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.nonvisibleLandmarkColor;
    /**
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.numCellsPerAxis;
    /**
     * The "range" attribue describes the default numerical boundaries of the
     * grid. The grid ranges from [-range, range] on every axis.
     * @type {(undefined|number)}
     * @public
     */
    LandmarkGridConfig.prototype.range;
    /**
     * @type {(undefined|boolean)}
     * @public
     */
    LandmarkGridConfig.prototype.showHidden;
}
/** @type {?} */
const DEFAULT_CONFIG = {
    axesColor: 0xffffff,
    axesWidth: 2,
    centered: false,
    connectionColor: 0x00ffff,
    connectionWidth: 3,
    definedColors: [],
    fitToGrid: false,
    labelPrefix: '',
    labelSuffix: '',
    landmarkSize: 3,
    landmarkColor: 0xaaaaaa,
    margin: 0,
    minVisibility: .65,
    nonvisibleLandmarkColor: 0xff7777,
    numCellsPerAxis: 3,
    range: 1,
    rotationSpeed: .05,
    showHidden: true,
};
/** @type {!tsickle_typings_2.Material} */
const HIDDEN_MATERIAL = new THREE.Material();
HIDDEN_MATERIAL.visible = false;
/**
 * This class makes a canvas instance where points can be drawn in a NxNxN grid
 * in a 1x1x1 space.
 * @extends {tsickle_util_3.ViewerWidget}
 */
class LandmarkGrid extends util.ViewerWidget {
    /**
     * @public
     * @param {!HTMLElement} parent
     * @param {!LandmarkGridConfig=} config
     */
    constructor(parent, config = {}) {
        super(parent, { ...DEFAULT_CONFIG, ...config });
        this.size = 100;
        this.landmarks = [];
        this.setConfig();
        this.drawAxes();
        this.labels = this.createAxesLabels();
        this.landmarkGroup = new THREE.Group();
        this.scene.add(this.landmarkGroup);
        this.connectionGroup = new THREE.Group();
        this.scene.add(this.connectionGroup);
        this.origin = new THREE.Vector3();
        this.requestFrame();
    }
    /**
     * @private
     * @return {{x: !Array<!NumberLabel>, y: !Array<!NumberLabel>, z: !Array<!NumberLabel>}}
     */
    createAxesLabels() {
        /** @type {{x: !Array<!NumberLabel>, y: !Array<!NumberLabel>, z: !Array<!NumberLabel>}} */
        const labels = {
            x: (/** @type {!Array<!NumberLabel>} */ ([])),
            y: (/** @type {!Array<!NumberLabel>} */ ([])),
            z: (/** @type {!Array<!NumberLabel>} */ ([])),
        };
        /** @type {number} */
        const cellsPerAxis = this.config.numCellsPerAxis;
        /** @type {number} */
        const range = this.config.range;
        /** @type {number} */
        const HALF_SIZE = this.size / 2;
        for (let i = 0; i < cellsPerAxis; i++) {
            // X labels
            // This for vector adds one to the count as it covers numCellsPerAxis-1
            // points on the x-axis. The point not covered is where the y-axis meets
            // the x-axis.
            /** @type {number} */
            const xValue = ((i + 1) / cellsPerAxis - .5) * range;
            labels.x.push({
                position: new THREE.Vector3((i + 1) / cellsPerAxis * this.size - HALF_SIZE, -HALF_SIZE, HALF_SIZE),
                element: this.createLabel(xValue),
                value: xValue
            });
            // Z labels
            // This vector covers numCellsPerAxis-1 points on the z-axis. The point
            // not covered is where the z-axis meets the x-axis.
            /** @type {number} */
            const zValue = (i / cellsPerAxis - .5) * range;
            labels.z.push({
                position: new THREE.Vector3(HALF_SIZE, -HALF_SIZE, i / cellsPerAxis * this.size - HALF_SIZE),
                element: this.createLabel(zValue),
                value: zValue
            });
        }
        // Y labels
        // This for loop covers all points on the y-axis
        for (let i = 0; i <= cellsPerAxis; i++) {
            /** @type {number} */
            const yValue = (i / cellsPerAxis - .5) * range;
            labels.y.push({
                position: new THREE.Vector3(-HALF_SIZE, i / cellsPerAxis * this.size - HALF_SIZE, HALF_SIZE),
                element: this.createLabel(yValue),
                value: yValue,
            });
        }
        return labels;
    }
    /**
     * @private
     * @param {number} value
     * @return {!HTMLSpanElement}
     */
    createLabel(value) {
        /** @type {!HTMLSpanElement} */
        const el = document.createElement('span');
        el.classList.add('landmark-label-js');
        this.setLabel(el, value);
        this.container.appendChild(el);
        return el;
    }
    /**
     * @private
     * @param {!HTMLSpanElement} el
     * @param {number} value
     * @return {void}
     */
    setLabel(el, value) {
        el.textContent = this.config.labelPrefix + value.toPrecision(2).toString() +
            this.config.labelSuffix;
    }
    /**
     * @private
     * @return {void}
     */
    drawAxes() {
        /** @type {!tsickle_typings_2.Group} */
        const axes = new THREE.Group();
        /** @type {number} */
        const HALF_SIZE = this.size / 2;
        /** @type {!tsickle_typings_2.Group} */
        const grid = this.makeGrid(this.size, this.config.numCellsPerAxis);
        /** @type {!tsickle_typings_2.Group} */
        const xGrid = grid;
        /** @type {!tsickle_typings_2.Object3D} */
        const yGrid = grid.clone();
        /** @type {!tsickle_typings_2.Object3D} */
        const zGrid = grid.clone();
        xGrid.translateX(-HALF_SIZE);
        xGrid.rotateY(Math.PI / 2);
        axes.add(xGrid);
        yGrid.translateY(-HALF_SIZE);
        yGrid.rotateX(Math.PI / 2);
        axes.add(yGrid);
        zGrid.translateZ(-HALF_SIZE);
        axes.add(zGrid);
        /** @type {!tsickle_typings_2.BufferGeometry} */
        const border = new THREE.BufferGeometry().setFromPoints([
            new THREE.Vector3(-HALF_SIZE, HALF_SIZE, HALF_SIZE),
            new THREE.Vector3(-HALF_SIZE, -HALF_SIZE, HALF_SIZE),
            new THREE.Vector3(HALF_SIZE, -HALF_SIZE, HALF_SIZE),
            new THREE.Vector3(HALF_SIZE, -HALF_SIZE, -HALF_SIZE),
            new THREE.Vector3(HALF_SIZE, HALF_SIZE, -HALF_SIZE),
            new THREE.Vector3(-HALF_SIZE, HALF_SIZE, -HALF_SIZE),
            new THREE.Vector3(-HALF_SIZE, HALF_SIZE, HALF_SIZE)
        ]);
        axes.add(new THREE.Line(border, this.axesMaterial));
        this.scene.add(axes);
    }
    /**
     * @protected
     * @return {void}
     */
    render() {
        super.render();
        this.setLabels();
    }
    /**
     * @private
     * @param {(undefined|!Array<number>)=} landmarks
     * @param {(undefined|string)=} colorName
     * @return {void}
     */
    colorLandmarks(landmarks, colorName) {
        /** @type {!tsickle_typings_2.Material} */
        const color = colorName ? this.definedColors[colorName] : this.connectionMaterial;
        /** @type {!Array<!tsickle_typings_2.Mesh>} */
        const meshList = (/** @type {!Array<!tsickle_typings_2.Mesh>} */ (this.landmarkGroup.children));
        if (landmarks) {
            for (const landmarkIndex of landmarks) {
                if (!this.isVisible(this.landmarks[landmarkIndex]))
                    continue;
                meshList[landmarkIndex].material = color;
            }
        }
        else {
            for (let i = 0; i < this.landmarks.length; i++) {
                if (!this.isVisible(this.landmarks[i]))
                    continue;
                meshList[i].material = color;
            }
        }
    }
    /**
     * @public
     * @param {!Array<!tsickle_landmark_1.NormalizedLandmark>} landmarks
     * @param {(!Array<!Array<number>>|!Array<{color: (undefined|string), list: !Array<?>}>)=} colorConnections
     * @param {(undefined|!Array<{color: (undefined|string), list: !Array<?>}>)=} colorLandmarks
     * @return {void}
     */
    updateLandmarks(landmarks, colorConnections = [], colorLandmarks) {
        this.connectionGroup.clear();
        this.clearResources();
        this.landmarks = landmarks.map(util.copyLandmark);
        // Convert connections to ColorList if not already
        /** @type {!Array<{color: (undefined|string), list: !Array<?>}>} */
        let connections = [];
        if (colorConnections.length > 0 &&
            !colorConnections[0].hasOwnProperty('color')) {
            connections =
                [{ color: undefined, list: (/** @type {!Array<!Array<number>>} */ (colorConnections)) }];
        }
        else {
            connections = (/** @type {!Array<{color: (undefined|string), list: !Array<?>}>} */ (colorConnections));
        }
        /** @type {!Array<!tsickle_landmark_1.NormalizedLandmark>} */
        const visibleLandmarks = this.landmarks.filter((/**
         * @param {!tsickle_landmark_1.NormalizedLandmark} e
         * @return {boolean}
         */
        (e) => this.isVisible(e)));
        /** @type {!Array<!tsickle_landmark_1.NormalizedLandmark>} */
        const centeredLandmarks = visibleLandmarks.length === 0 ? this.landmarks : visibleLandmarks;
        if (this.config.centered) {
            this.centerLandmarks(centeredLandmarks);
        }
        // Fit to grid if necessary
        /** @type {number} */
        let scalingFactor = 1;
        if (this.config.fitToGrid) {
            /** @type {number} */
            const rawScalingFactor = this.getFitToGridFactor(centeredLandmarks);
            /** @type {number} */
            const RESCALE = .5;
            /** @type {number} */
            const range = this.config.range;
            // Finds the deviation from the default range ((1 / rawScalingFactor - 1)
            // * (range / 2)), and then it divides it by the step size of RESCALE. We
            // go the next step with Math.ceil. This calculation allows for discrete
            // steps.
            /** @type {number} */
            const numRescaleSteps = Math.ceil((1 / rawScalingFactor - 1) * (range / 2) / RESCALE);
            // Scaling factor takes the number of these steps and converts it back
            // into a factor that the landmark can be multiplied by.
            scalingFactor = 1 / (numRescaleSteps * RESCALE / (range / 2) + 1);
            for (const landmark of this.landmarks) {
                landmark.x *= scalingFactor;
                landmark.y *= scalingFactor;
                landmark.z *= scalingFactor;
            }
        }
        for (const label of this.labels.x) {
            this.setLabel(label.element, (label.value - this.origin.x) / scalingFactor);
        }
        for (const label of this.labels.y) {
            this.setLabel(label.element, (label.value - this.origin.y) / scalingFactor);
        }
        for (const label of this.labels.z) {
            this.setLabel(label.element, (label.value - this.origin.z) / scalingFactor);
        }
        /** @type {!Array<!tsickle_typings_2.Vector3>} */
        const landmarkVectors = this.landmarks.map((/**
         * @param {!tsickle_landmark_1.NormalizedLandmark} e
         * @return {!tsickle_typings_2.Vector3}
         */
        e => this.landmarkToVector(e)));
        // Connections
        for (const connection of connections) {
            this.drawConnections(landmarkVectors, connection.list, connection.color);
        }
        // Shrink/Grow landmarks to fit
        /** @type {number} */
        const meshLength = this.landmarkGroup.children.length;
        /** @type {number} */
        const landmarkLength = this.landmarks.length;
        if (meshLength < landmarkLength) {
            for (let i = meshLength; i < landmarkLength; i++) {
                this.landmarkGroup.add(new THREE.Mesh(this.landmarkGeometry));
            }
        }
        else if (meshLength > landmarkLength) {
            for (let i = landmarkLength; i < meshLength; i++) {
                this.landmarkGroup.remove(this.landmarkGroup.children[i]);
            }
        }
        // Landmarks
        for (let i = 0; i < this.landmarks.length; i++) {
            /** @type {boolean} */
            const visible = this.isVisible(this.landmarks[i]);
            /** @type {!tsickle_typings_2.Material} */
            let nonvisibleMaterial = this.nonvisibleMaterial;
            if (!this.config.showHidden && !visible) {
                nonvisibleMaterial = HIDDEN_MATERIAL;
            }
            /** @type {!tsickle_typings_2.Mesh} */
            const sphere = (/** @type {!tsickle_typings_2.Mesh} */ (this.landmarkGroup.children[i]));
            sphere.material = visible ? this.landmarkMaterial : nonvisibleMaterial;
            sphere.position.copy(landmarkVectors[i]);
        }
        // Color special landmarks
        if (colorLandmarks) {
            for (const colorDef of colorLandmarks) {
                this.colorLandmarks(colorDef.list, colorDef.color);
            }
        }
        this.requestFrame();
    }
    /**
     * @private
     * @param {!Array<!tsickle_typings_2.Vector3>} landmarks
     * @param {!Array<!Array<number>>} connections
     * @param {(undefined|string)=} colorName
     * @return {void}
     */
    drawConnections(landmarks, connections, colorName) {
        /** @type {!tsickle_typings_2.Material} */
        const color = colorName ? this.definedColors[colorName] : this.connectionMaterial;
        /** @type {!Array<?>} */
        const lines = [];
        for (const connection of connections) {
            if (!this.config.showHidden &&
                (!this.isVisible(this.landmarks[connection[0]]) ||
                    !this.isVisible(this.landmarks[connection[1]]))) {
                continue;
            }
            lines.push(landmarks[connection[0]]);
            lines.push(landmarks[connection[1]]);
        }
        /** @type {!tsickle_typings_2.BufferGeometry} */
        const geometry = new THREE.BufferGeometry().setFromPoints(lines);
        this.disposeQueue.push(geometry);
        /** @type {!tsickle_typings_2.LineSegments} */
        const wireframe = new THREE.LineSegments(geometry, color);
        this.removeQueue.push(wireframe);
        this.connectionGroup.add(wireframe);
    }
    /**
     * @private
     * @param {!tsickle_landmark_1.NormalizedLandmark} point
     * @return {!tsickle_typings_2.Vector3}
     */
    landmarkToVector(point) {
        return util.landmarkToVector(point).multiplyScalar(this.size / this.config.range);
    }
    /**
     * @private
     * @param {number} size
     * @param {number} numSteps
     * @return {!tsickle_typings_2.Group}
     */
    makeGrid(size, numSteps) {
        /** @type {!tsickle_typings_2.Group} */
        const grid = new THREE.Group();
        /** @type {!tsickle_typings_2.PlaneBufferGeometry} */
        const plane = new THREE.PlaneGeometry(size, size);
        /** @type {!tsickle_typings_2.EdgesGeometry} */
        const edges = new THREE.EdgesGeometry(plane);
        /** @type {!tsickle_typings_2.LineSegments} */
        const wireframe = new THREE.LineSegments(edges, this.gridMaterial);
        grid.add(wireframe);
        /** @type {number} */
        const stepPlaneSize = size / numSteps;
        /** @type {!tsickle_typings_2.PlaneBufferGeometry} */
        const stepPlane = new THREE.PlaneGeometry(stepPlaneSize, stepPlaneSize);
        /** @type {!tsickle_typings_2.EdgesGeometry} */
        const stepEdges = new THREE.EdgesGeometry(stepPlane);
        /** @type {number} */
        const corner = -size / 2 + stepPlaneSize / 2;
        for (let i = 0; i < numSteps; i++) {
            for (let j = 0; j < numSteps; j++) {
                /** @type {!tsickle_typings_2.LineSegments} */
                const stepFrame = new THREE.LineSegments(stepEdges, this.gridMaterial);
                stepFrame.translateX(corner + i * stepPlaneSize);
                stepFrame.translateY(corner + j * stepPlaneSize);
                grid.add(stepFrame);
            }
        }
        return grid;
    }
    /**
     * @private
     * @return {void}
     */
    setConfig() {
        this.landmarkMaterial =
            new THREE.MeshBasicMaterial({ color: this.config.landmarkColor });
        this.landmarkGeometry = new THREE.SphereGeometry(this.config.landmarkSize);
        this.nonvisibleMaterial = new THREE.MeshBasicMaterial({ color: this.config.nonvisibleLandmarkColor });
        this.axesMaterial = new THREE.LineBasicMaterial({ color: this.config.axesColor, linewidth: this.config.axesWidth });
        this.gridMaterial = new THREE.LineBasicMaterial({ color: 0x999999 });
        this.connectionMaterial = new THREE.LineBasicMaterial({
            color: this.config.connectionColor,
            linewidth: this.config.connectionWidth
        });
        this.isVisible = (/**
         * @param {!tsickle_landmark_1.NormalizedLandmark} e
         * @return {boolean}
         */
        (e) => e.visibility === undefined ||
            (!!e.visibility && (e.visibility > this.config.minVisibility)));
        this.definedColors = {};
        for (const color of this.config.definedColors) {
            this.definedColors[color.name] = new THREE.LineBasicMaterial({ color: color.value, linewidth: this.config.connectionWidth });
        }
        this.sizeWhenFitted = (1 - 2 * this.config.margin);
    }
    /**
     * @private
     * @param {(undefined|!Array<!tsickle_landmark_1.NormalizedLandmark>)=} landmarks
     * @return {number}
     */
    getFitToGridFactor(landmarks) {
        if (!landmarks) {
            landmarks = this.landmarks;
        }
        if (landmarks.length === 0) {
            return 1;
        }
        /** @type {number} */
        let factor = Infinity;
        for (let i = 0; i < landmarks.length; i++) {
            /** @type {number} */
            const maxNum = Math.max(Math.abs(landmarks[i].x), Math.abs(landmarks[i].y), Math.abs(landmarks[i].z));
            factor = Math.min(factor, (this.config.range / 2) / maxNum);
        }
        return factor * this.sizeWhenFitted;
    }
    /**
     * @private
     * @return {void}
     */
    setLabels() {
        for (const pair of this.labels.x) {
            /** @type {!tsickle_typings_2.Vector3} */
            const position = this.getCanvasPosition(pair.position);
            pair.element.style.transform =
                `translate(${position.x}px, ${position.y}px)`;
        }
        for (const pair of this.labels.y) {
            /** @type {!tsickle_typings_2.Vector3} */
            const position = this.getCanvasPosition(pair.position);
            pair.element.style.transform =
                `translate(${position.x}px, ${position.y}px)`;
        }
        for (const pair of this.labels.z) {
            /** @type {!tsickle_typings_2.Vector3} */
            const position = this.getCanvasPosition(pair.position);
            pair.element.style.transform =
                `translate(${position.x}px, ${position.y}px)`;
        }
    }
    /**
     * @private
     * @param {!Array<!tsickle_landmark_1.NormalizedLandmark>} landmarks
     * @return {void}
     */
    centerLandmarks(landmarks) {
        if (landmarks.length === 0) {
            return;
        }
        /** @type {number} */
        let maxX = landmarks[0].x;
        /** @type {number} */
        let minX = landmarks[0].x;
        /** @type {number} */
        let maxY = landmarks[0].y;
        /** @type {number} */
        let minY = landmarks[0].y;
        /** @type {number} */
        let maxZ = landmarks[0].z;
        /** @type {number} */
        let minZ = landmarks[0].z;
        for (let i = 1; i < landmarks.length; i++) {
            /** @type {!tsickle_landmark_1.NormalizedLandmark} */
            const landmark = landmarks[i];
            maxX = Math.max(maxX, landmark.x);
            maxY = Math.max(maxY, landmark.y);
            maxZ = Math.max(maxZ, landmark.z);
            minX = Math.min(minX, landmark.x);
            minY = Math.min(minY, landmark.y);
            minZ = Math.min(minZ, landmark.z);
        }
        /** @type {number} */
        const centerX = (maxX + minX) / 2;
        /** @type {number} */
        const centerY = (maxY + minY) / 2;
        /** @type {number} */
        const centerZ = (maxZ + minZ) / 2;
        for (let i = 0; i < this.landmarks.length; i++) {
            this.landmarks[i].x -= centerX;
            this.landmarks[i].y -= centerY;
            this.landmarks[i].z -= centerZ;
        }
        this.origin.set(centerX, centerY, centerZ);
    }
}
exports.LandmarkGrid = LandmarkGrid;
/* istanbul ignore if */
if (false) {
    /**
     * @const {number}
     * @private
     */
    LandmarkGrid.prototype.size;
    /**
     * @const {{x: !Array<!NumberLabel>, y: !Array<!NumberLabel>, z: !Array<!NumberLabel>}}
     * @private
     */
    LandmarkGrid.prototype.labels;
    /**
     * @const {!tsickle_typings_2.Group}
     * @private
     */
    LandmarkGrid.prototype.landmarkGroup;
    /**
     * @const {!tsickle_typings_2.Group}
     * @private
     */
    LandmarkGrid.prototype.connectionGroup;
    /**
     * @const {!tsickle_typings_2.Vector3}
     * @private
     */
    LandmarkGrid.prototype.origin;
    /**
     * @type {?}
     * @protected
     */
    LandmarkGrid.prototype.config;
    /**
     * @type {!tsickle_typings_2.Material}
     * @private
     */
    LandmarkGrid.prototype.axesMaterial;
    /**
     * @type {!tsickle_typings_2.Material}
     * @private
     */
    LandmarkGrid.prototype.connectionMaterial;
    /**
     * @type {!Object<string,!tsickle_typings_2.Material>}
     * @private
     */
    LandmarkGrid.prototype.definedColors;
    /**
     * @type {!tsickle_typings_2.Material}
     * @private
     */
    LandmarkGrid.prototype.gridMaterial;
    /**
     * @type {function(!tsickle_landmark_1.NormalizedLandmark): boolean}
     * @private
     */
    LandmarkGrid.prototype.isVisible;
    /**
     * @type {!tsickle_typings_2.BufferGeometry}
     * @private
     */
    LandmarkGrid.prototype.landmarkGeometry;
    /**
     * @type {!tsickle_typings_2.Material}
     * @private
     */
    LandmarkGrid.prototype.landmarkMaterial;
    /**
     * @type {!tsickle_typings_2.Material}
     * @private
     */
    LandmarkGrid.prototype.nonvisibleMaterial;
    /**
     * @type {!Array<!tsickle_landmark_1.NormalizedLandmark>}
     * @private
     */
    LandmarkGrid.prototype.landmarks;
    /**
     * @type {number}
     * @private
     */
    LandmarkGrid.prototype.sizeWhenFitted;
}
goog.exportSymbol('LandmarkGrid', LandmarkGrid);
//# sourceMappingURL=data:application/json;base64, 
;return exports;});

//third_party/mediapipe/web/solutions/control_utils_3d/mesh_viewer.closure.js
goog.loadModule(function(exports) {'use strict';/**
 *
 * @fileoverview This file contains a mesh viewer that allows for a simple
 * viewing of a mesh with an optional texture
 *
 * Generated from: third_party/mediapipe/web/solutions/control_utils_3d/mesh_viewer.ts
 * @suppress {checkTypes} added by tsickle
 * @suppress {extraRequire} added by tsickle
 * @suppress {missingRequire} added by tsickle
 * @suppress {uselessCode} added by tsickle
 * @suppress {missingReturn} added by tsickle
 * @suppress {unusedPrivateMembers} added by tsickle
 * @suppress {missingOverride} added by tsickle
 * @suppress {const} added by tsickle
 */
goog.module('google3.third_party.mediapipe.web.solutions.control_utils_3d.mesh_viewer');
var module = module || { id: 'third_party/mediapipe/web/solutions/control_utils_3d/mesh_viewer.closure.js' };
goog.require('google3.third_party.javascript.tslib.tslib');
const tsickle_landmark_1 = goog.requireType("google3.third_party.mediapipe.web.solutions.utils.transform_utils.landmark");
const tsickle_typings_2 = goog.requireType("google3.third_party.javascript.threejs.r125.typings.index");
const tsickle_util_3 = goog.requireType("google3.third_party.mediapipe.web.solutions.control_utils_3d.util");
const THREE = goog.require('google3.third_party.javascript.threejs.r125.typings.index');
const util = goog.require('google3.third_party.mediapipe.web.solutions.control_utils_3d.util');
/**
 * Configuration object for MeshViewerConfig
 * @record
 * @extends {tsickle_util_3.ViewerWidgetConfig}
 */
function MeshViewerConfig() { }
exports.MeshViewerConfig = MeshViewerConfig;
/* istanbul ignore if */
if (false) {
    /**
     * @type {(undefined|number)}
     * @public
     */
    MeshViewerConfig.prototype.materialColor;
    /**
     * @type {(undefined|null|string)}
     * @public
     */
    MeshViewerConfig.prototype.texture;
}
/** @type {?} */
const DEFAULT_CONFIG = {
    materialColor: 0xffffff,
    texture: null,
};
/**
 * A viewer widget for meshes with or without textures
 * @extends {tsickle_util_3.ViewerWidget}
 */
class MeshViewer extends util.ViewerWidget {
    /**
     * @public
     * @param {!HTMLElement} parent
     * @param {!MeshViewerConfig=} config
     */
    constructor(parent, config = {}) {
        super(parent, { ...DEFAULT_CONFIG, ...config });
        this.light = new THREE.PointLight(0xffffff, 1);
        this.light.position.copy(this.camera.position);
        this.scene.add(this.light);
        this.material = new THREE.MeshLambertMaterial({ color: this.config.materialColor, side: THREE.DoubleSide });
        if (this.config.texture) {
            this.setTexture(this.config.texture);
        }
    }
    /**
     * @protected
     * @return {void}
     */
    render() {
        this.light.position.copy(this.camera.position);
        super.render();
    }
    /**
     * @public
     * @param {!Array<!tsickle_landmark_1.NormalizedLandmark>} landmarks
     * @param {!ArrayLike<number>} faces
     * @param {(undefined|!ArrayLike<number>)=} textureCoords
     * @return {void}
     */
    updateMeshFromLandmarks(landmarks, faces, textureCoords) {
        /** @type {!Array<number>} */
        const vectors = landmarks.reduce((/**
         * @param {!Array<number>} acc
         * @param {!tsickle_landmark_1.NormalizedLandmark} cur
         * @return {!Array<number>}
         */
        (acc, cur) => acc.concat(cur.x, cur.y, cur.z)), (/** @type {!Array<number>} */ ([])));
        this.updateMeshFromData(vectors, faces, textureCoords);
    }
    /**
     * @public
     * @param {!ArrayLike<number>} points
     * @param {!ArrayLike<number>} faces
     * @param {(undefined|!ArrayLike<number>)=} textureCoords
     * @return {void}
     */
    updateMeshFromData(points, faces, textureCoords) {
        /** @type {!tsickle_typings_2.BufferGeometry} */
        const geometry = new THREE.BufferGeometry();
        geometry.setAttribute('position', new THREE.BufferAttribute(new Float32Array(points), 3));
        geometry.setIndex(Array.from(faces));
        if (textureCoords) {
            geometry.setAttribute('uv', new THREE.BufferAttribute(new Float32Array(textureCoords), 2));
        }
        geometry.computeVertexNormals();
        geometry.computeBoundingBox();
        /** @type {!tsickle_typings_2.Vector3} */
        const center = (/** @type {!tsickle_typings_2.Box3} */ (geometry.boundingBox)).getCenter(new THREE.Vector3()).negate();
        geometry.translate(center.x, center.y, center.z);
        this.updateMesh(new THREE.Mesh(geometry, this.material));
    }
    /**
     * @public
     * @param {!tsickle_typings_2.Mesh} mesh
     * @return {void}
     */
    updateMesh(mesh) {
        if (this.mesh) {
            this.scene.remove(this.mesh);
        }
        this.scene.add(mesh);
        this.mesh = mesh;
        this.requestFrame();
    }
    /**
     * @public
     * @param {string} url
     * @return {void}
     */
    setTexture(url) {
        /** @type {!tsickle_typings_2.Texture} */
        const texture = new THREE.TextureLoader().load(url);
        this.material.setValues({ map: texture });
    }
}
exports.MeshViewer = MeshViewer;
/* istanbul ignore if */
if (false) {
    /**
     * @type {?}
     * @protected
     */
    MeshViewer.prototype.config;
    /**
     * @const {!tsickle_typings_2.PointLight}
     * @private
     */
    MeshViewer.prototype.light;
    /**
     * @const {!tsickle_typings_2.MeshLambertMaterial}
     * @private
     */
    MeshViewer.prototype.material;
    /**
     * @type {(undefined|!tsickle_typings_2.Mesh)}
     * @private
     */
    MeshViewer.prototype.mesh;
}
goog.exportSymbol('MeshViewer', MeshViewer);
//# sourceMappingURL=data:application/json;base64, 
;return exports;});

//third_party/mediapipe/web/solutions/exports/control_utils_3d/shim.js
goog.loadModule(function(exports) {'use strict';/**
 * @fileoverview Typescript consumers of :landmark_grid will need this shim to
 * connect the type definitions to the goog.exports.
 */

goog.module('google3.third_party.mediapipe.web.solutions.exports.control_utils_3d.index');

exports.LandmarkGrid = window['LandmarkGrid'];
exports.MeshViewer = window['MeshViewer'];
exports.landmarkToColumnVector = window['landmarkToColumnVector'];
exports.columnVectorToLandmark = window['columnVectorToLandmark'];
exports.convertToNDC = window['convertToNDC'];
exports.matrixMultiply = window['matrixMultiply'];
exports.makeProjectionMatrix = window['makeProjectionMatrix'];
exports.extractFromXYZUVArray = window['extractFromXYZUVArray'];

;return exports;});

javascript/closure/base.js
third_party/javascript/threejs/r125/typings/shim-index.js
third_party/javascript/tslib/tslib_closure.js
third_party/mediapipe/web/solutions/control_utils_3d/control_utils_3d.closure.js
third_party/mediapipe/web/solutions/control_utils_3d/util.closure.js
third_party/mediapipe/web/solutions/control_utils_3d/landmark_grid.closure.js
third_party/mediapipe/web/solutions/control_utils_3d/mesh_viewer.closure.js
third_party/mediapipe/web/solutions/exports/control_utils_3d/shim.js
(function(){/*

 Copyright The Closure Library Authors.
 SPDX-License-Identifier: Apache-2.0
*/
'use strict';function g(a){var b=0;return function(){return b<a.length?{done:!1,value:a[b++]}:{done:!0}}}var m="function"==typeof Object.defineProperties?Object.defineProperty:function(a,b,c){if(a==Array.prototype||a==Object.prototype)return a;a[b]=c.value;return a};
function n(a){a=["object"==typeof globalThis&&globalThis,a,"object"==typeof window&&window,"object"==typeof self&&self,"object"==typeof global&&global];for(var b=0;b<a.length;++b){var c=a[b];if(c&&c.Math==Math)return c}throw Error("Cannot find global object");}var q=n(this);function r(a,b){if(b)a:{var c=q;a=a.split(".");for(var d=0;d<a.length-1;d++){var e=a[d];if(!(e in c))break a;c=c[e]}a=a[a.length-1];d=c[a];b=b(d);b!=d&&null!=b&&m(c,a,{configurable:!0,writable:!0,value:b})}}
function t(a){var b="undefined"!=typeof Symbol&&Symbol.iterator&&a[Symbol.iterator];return b?b.call(a):{next:g(a)}}var u="function"==typeof Object.assign?Object.assign:function(a,b){for(var c=1;c<arguments.length;c++){var d=arguments[c];if(d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(a[e]=d[e])}return a};r("Object.assign",function(a){return a||u});var v="function"==typeof Object.create?Object.create:function(a){function b(){}b.prototype=a;return new b},w;
if("function"==typeof Object.setPrototypeOf)w=Object.setPrototypeOf;else{var x;a:{var y={a:!0},z={};try{z.__proto__=y;x=z.a;break a}catch(a){}x=!1}w=x?function(a,b){a.__proto__=b;if(a.__proto__!==b)throw new TypeError(a+" is not extensible");return a}:null}var A=w;
function B(a,b){a.prototype=v(b.prototype);a.prototype.constructor=a;if(A)A(a,b);else for(var c in b)if("prototype"!=c)if(Object.defineProperties){var d=Object.getOwnPropertyDescriptor(b,c);d&&Object.defineProperty(a,c,d)}else a[c]=b[c];a.C=b.prototype}
r("Math.hypot",function(a){return a?a:function(b){if(2>arguments.length)return arguments.length?Math.abs(arguments[0]):0;var c,d,e;for(c=e=0;c<arguments.length;c++)e=Math.max(e,Math.abs(arguments[c]));if(1E100<e||1E-100>e){if(!e)return e;for(c=d=0;c<arguments.length;c++){var f=Number(arguments[c])/e;d+=f*f}return Math.sqrt(d)*e}for(c=d=0;c<arguments.length;c++)f=Number(arguments[c]),d+=f*f;return Math.sqrt(d)}});var C=this||self;
function D(a,b){a=a.split(".");var c=C;a[0]in c||"undefined"==typeof c.execScript||c.execScript("var "+a[0]);for(var d;a.length&&(d=a.shift());)a.length||void 0===b?c[d]&&c[d]!==Object.prototype[d]?c=c[d]:c=c[d]={}:c[d]=b};/*


 The MIT License

 Copyright ? 2010-2019 three.js authors

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
*/
var E=C.THREE;function F(a){return[[a.x],[a.y],[a.z],[1]]}D("landmarkToColumnVector",F);D("columnVectorToLandmark",function(a){return{x:a[0][0],y:a[1][0],z:a[2][0]}});
D("convertToNDC",function(a,b,c){var d=[[],[],[],[]];if(0===a.length)return[];if(Array.isArray(a[0]))d=a;else{a=t(a);for(var e=a.next();!e.done;e=a.next())e=F(e.value),d[0].push(e[0][0]),d[1].push(e[1][0]),d[2].push(e[2][0]),d[3].push(e[3][0])}d=G(c,G(b,d));b=[];for(c=0;c<d[0].length;c++)b.push({x:d[0][c]/d[3][c],y:d[1][c]/d[3][c],z:d[2][c]/d[3][c]});return b});
function G(a,b){var c=a.length,d=a[0].length,e=b[0].length,f=[];if(d!==b.length)throw Error("Row Column Mismatch");for(var k=0;k<c;++k){f.push([]);for(var l=0;l<e;++l){f[k].push(0);for(var h=0;h<d;++h)f[k][l]+=a[k][h]*b[h][l]}}return f}D("matrixMultiply",G);D("makeProjectionMatrix",function(a,b,c,d){a=1/Math.tan(a*Math.PI/360);var e=1/(b-c);return[[a/(void 0===d?1:d),0,0,0],[0,a,0,0],[0,0,(b+c)*e,2*e*c*b],[0,0,-1,0]]});
D("extractFromXYZUVArray",function(a){for(var b=[[],[],[],[]],c=[],d=0;d<a.length;d+=5)b[0].push(a[d]),b[1].push(a[d+1]),b[2].push(a[d+2]),b[3].push(1),c.push(a[d+3]),c.push(a[d+4]);return{textureCoords:c,vertexCoords:b}});var H=new E.Vector3,I={backgroundColor:0,fovInDegrees:75,isRotating:!0,rotationSpeed:.1};
function J(a,b){var c=this;b=void 0===b?{}:b;this.distance=150;this.rotation=0;this.i=Object.assign({},I,b);this.o=document.createElement("div");this.o.classList.add("viewer-widget-js");b=document.createElement("canvas");this.o.appendChild(b);a.appendChild(this.o);a=a.getBoundingClientRect();K(this,this.o);this.camera=new E.PerspectiveCamera(this.i.fovInDegrees,a.width/a.height,1);this.camera.position.z=this.distance;this.camera.lookAt(H);this.m=new E.WebGLRenderer({canvas:b,alpha:!0,antialias:!0});
this.m.setClearColor(new E.Color(this.i.backgroundColor),.5);this.m.setSize(Math.floor(a.width),Math.floor(a.height));window.addEventListener("resize",function(){var d=c.o.getBoundingClientRect();c.m.setSize(Math.floor(d.width),Math.floor(d.height))});this.scene=new E.Scene;L(this)}J.prototype.render=function(){this.m.render(this.scene,this.camera)};
function M(a){window.requestAnimationFrame(function(){a.i.isRotating&&(a.rotation+=a.i.rotationSpeed,a.camera.position.x=Math.sin(a.rotation)*a.distance,a.camera.position.z=Math.cos(a.rotation)*a.distance,a.camera.lookAt(H));a.render()})}
function L(a){var b=a.m.domElement,c=b.getBoundingClientRect().width;b.onmousedown=function(d){function e(h){h.preventDefault();b.removeEventListener("mousemove",f);a.i.rotationSpeed=k;b.removeEventListener("mouseup",e)}function f(h){h.preventDefault();var p=Math.hypot(a.camera.position.x,a.camera.position.z);a.rotation=l+2*Math.PI*(d.offsetX-h.offsetX)/c;a.camera.position.x=Math.sin(a.rotation)*p;a.camera.position.z=Math.cos(a.rotation)*p;a.camera.lookAt(H)}d.preventDefault();var k=a.i.rotationSpeed,
l=a.rotation;a.i.rotationSpeed=0;b.addEventListener("mousemove",f);document.addEventListener("mouseup",e)}}
function K(a,b){var c=document.createElement("img");c.classList.add("controls");c.src=a.i.isRotating?"https://fonts.gstatic.com/s/i/googlematerialicons/pause/v14/white-24dp/1x/gm_pause_white_24dp.png":"https://fonts.gstatic.com/s/i/googlematerialicons/play_arrow/v14/white-24dp/1x/gm_play_arrow_white_24dp.png";c.onclick=function(){a.i.isRotating?(c.src="https://fonts.gstatic.com/s/i/googlematerialicons/play_arrow/v14/white-24dp/1x/gm_play_arrow_white_24dp.png",a.i.isRotating=!1):(c.src="https://fonts.gstatic.com/s/i/googlematerialicons/pause/v14/white-24dp/1x/gm_pause_white_24dp.png",
a.i.isRotating=!0)};b.appendChild(c)}function N(a,b){var c=a.m.domElement.getBoundingClientRect();a=b.clone().project(a.camera);a.x=Math.round((.5+.5*a.x)*c.width);a.y=Math.round((.5-.5*a.y)*c.height);a.z=0;return a};var O={axesColor:16777215,axesWidth:2,centered:!1,connectionColor:65535,connectionWidth:3,definedColors:[],fitToGrid:!1,labelPrefix:"",labelSuffix:"",landmarkSize:3,landmarkColor:11184810,margin:0,minVisibility:.65,nonvisibleLandmarkColor:16742263,numCellsPerAxis:3,range:1,rotationSpeed:.05,showHidden:!0};(new E.Material).visible=!1;
function P(a,b){b=void 0===b?{}:b;J.call(this,a,Object.assign({},O,b));this.size=100;Q(this);a=new E.Group;b=this.size/2;var c=this.size,d=this.i.numCellsPerAxis,e=new E.Group,f=new E.PlaneGeometry(c,c);f=new E.EdgesGeometry(f);f=new E.LineSegments(f,this.u);e.add(f);f=c/d;var k=new E.PlaneGeometry(f,f);k=new E.EdgesGeometry(k);c=-c/2+f/2;for(var l=0;l<d;l++)for(var h=0;h<d;h++){var p=new E.LineSegments(k,this.u);p.translateX(c+l*f);p.translateY(c+h*f);e.add(p)}d=e.clone();f=e.clone();e.translateX(-b);
e.rotateY(Math.PI/2);a.add(e);d.translateY(-b);d.rotateX(Math.PI/2);a.add(d);f.translateZ(-b);a.add(f);b=(new E.BufferGeometry).setFromPoints([new E.Vector3(-b,b,b),new E.Vector3(-b,-b,b),new E.Vector3(b,-b,b),new E.Vector3(b,-b,-b),new E.Vector3(b,b,-b),new E.Vector3(-b,b,-b),new E.Vector3(-b,b,b)]);a.add(new E.Line(b,this.B));this.scene.add(a);a={x:[],y:[],z:[]};b=this.i.numCellsPerAxis;e=this.i.range;d=this.size/2;for(f=0;f<b;f++)c=((f+1)/b-.5)*e,a.x.push({position:new E.Vector3((f+1)/b*this.size-
d,-d,d),element:R(this,c),value:c}),c=(f/b-.5)*e,a.z.push({position:new E.Vector3(d,-d,f/b*this.size-d),element:R(this,c),value:c});for(f=0;f<=b;f++)c=(f/b-.5)*e,a.y.push({position:new E.Vector3(-d,f/b*this.size-d,d),element:R(this,c),value:c});this.j=a;this.A=new E.Group;this.scene.add(this.A);this.v=new E.Group;this.scene.add(this.v);this.origin=new E.Vector3;M(this)}B(P,J);
function R(a,b){var c=document.createElement("span");c.classList.add("landmark-label-js");c.textContent=a.i.labelPrefix+b.toPrecision(2).toString()+a.i.labelSuffix;a.o.appendChild(c);return c}
P.prototype.render=function(){J.prototype.render.call(this);for(var a=t(this.j.x),b=a.next();!b.done;b=a.next()){b=b.value;var c=N(this,b.position);b.element.style.transform="translate("+c.x+"px, "+c.y+"px)"}a=t(this.j.y);for(b=a.next();!b.done;b=a.next())b=b.value,c=N(this,b.position),b.element.style.transform="translate("+c.x+"px, "+c.y+"px)";a=t(this.j.z);for(b=a.next();!b.done;b=a.next())b=b.value,c=N(this,b.position),b.element.style.transform="translate("+c.x+"px, "+c.y+"px)"};
function Q(a){new E.MeshBasicMaterial({color:a.i.landmarkColor});new E.SphereGeometry(a.i.landmarkSize);new E.MeshBasicMaterial({color:a.i.nonvisibleLandmarkColor});a.B=new E.LineBasicMaterial({color:a.i.axesColor,linewidth:a.i.axesWidth});a.u=new E.LineBasicMaterial({color:10066329});new E.LineBasicMaterial({color:a.i.connectionColor,linewidth:a.i.connectionWidth});a.isVisible=function(d){return void 0===d.visibility||!!d.visibility&&d.visibility>a.i.minVisibility};a.definedColors={};for(var b=t(a.i.definedColors),
c=b.next();!c.done;c=b.next())c=c.value,a.definedColors[c.name]=new E.LineBasicMaterial({color:c.value,linewidth:a.i.connectionWidth})}D("LandmarkGrid",P);var S={materialColor:16777215,texture:null};function T(a,b){b=void 0===b?{}:b;J.call(this,a,Object.assign({},S,b));this.j=new E.PointLight(16777215,1);this.j.position.copy(this.camera.position);this.scene.add(this.j);this.material=new E.MeshLambertMaterial({color:this.i.materialColor,side:E.DoubleSide});this.i.texture&&(a=this.i.texture,a=(new E.TextureLoader).load(a),this.material.setValues({map:a}))}B(T,J);T.prototype.render=function(){this.j.position.copy(this.camera.position);J.prototype.render.call(this)};
D("MeshViewer",T);}).call(this);
