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this.set(0,0,0,0,0,0,0,0,0);var p=1/h;return e[0]=c*p,e[1]=(r*l-u*n)*p,e[2]=(o*n-r*a)*p,e[3]=f*p,e[4]=(u*t-r*s)*p,e[5]=(r*i-o*t)*p,e[6]=d*p,e[7]=(n*s-l*t)*p,e[8]=(a*t-n*i)*p,this}},{key:"transpose",value:function(){var e,t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}},{key:"getNormalMatrix",value:function(e){return this.setFromMatrix4(e).invert().transpose()}},{key:"transposeIntoArray",value:function(e){var t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}},{key:"setUvTransform",value:function(e,t,n,r,i,a,o){var s=Math.cos(i),l=Math.sin(i);return this.set(n*s,n*l,-n*(s*a+l*o)+a+e,-r*l,r*s,-r*(-l*a+s*o)+o+t,0,0,1),this}},{key:"scale",value:function(e,t){var n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this}},{key:"rotate",value:function(e){var t=Math.cos(e),n=Math.sin(e),r=this.elements,i=r[0],a=r[3],o=r[6],s=r[1],l=r[4],u=r[7];return r[0]=t*i+n*s,r[3]=t*a+n*l,r[6]=t*o+n*u,r[1]=-n*i+t*s,r[4]=-n*a+t*l,r[7]=-n*o+t*u,this}},{key:"translate",value:function(e,t){var n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this}},{key:"equals",value:function(e){for(var t=this.elements,n=e.elements,r=0;r<9;r++)if(t[r]!==n[r])return!1;return!0}},{key:"fromArray",value:function(e,t){for(var n=1<arguments.length&&void 0!==t?t:0,r=0;r<9;r++)this.elements[r]=e[r+n];return this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0,i=this.elements;return n[r]=i[0],n[r+1]=i[1],n[r+2]=i[2],n[r+3]=i[3],n[r+4]=i[4],n[r+5]=i[5],n[r+6]=i[6],n[r+7]=i[7],n[r+8]=i[8],n}},{key:"clone",value:function(){return(new this.constructor).fromArray(this.elements)}}]),e}();function Yf(e){if(0===e.length)return-1/0;for(var t=e[0],n=1,r=e.length;n<r;++n)e[n]>t&&(t=e[n]);return t}function Zf(e){return document.createElementNS("http://www.w3.org/1999/xhtml",e)}Xf.prototype.isMatrix3=!0;var Jf=function(){function e(){Tl(this,e)}return Ll(e,null,[{key:"getDataURL",value:function(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;var t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===qf&&(qf=Zf("canvas")),qf.width=e.width,qf.height=e.height;var n=qf.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=qf}return 2048<t.width||2048<t.height?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}}]),e}(),$f=0,Qf=function(){Rl(d,Nf);var f=Ul(d);function d(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:d.DEFAULT_IMAGE,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:d.DEFAULT_MAPPING,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:Ku,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:Ku,a=4<arguments.length&&void 0!==arguments[4]?arguments[4]:ic,o=5<arguments.length&&void 0!==arguments[5]?arguments[5]:oc,s=6<arguments.length&&void 0!==arguments[6]?arguments[6]:wc,l=7<arguments.length&&void 0!==arguments[7]?arguments[7]:sc,u=8<arguments.length&&void 0!==arguments[8]?arguments[8]:1,c=9<arguments.length&&void 0!==arguments[9]?arguments[9]:xf;return Tl(this,d),e=f.call(this),Object.defineProperty(zl(e),"id",{value:$f++}),e.uuid=Bf(),e.name="",e.image=t,e.mipmaps=[],e.mapping=n,e.wrapS=r,e.wrapT=i,e.magFilter=a,e.minFilter=o,e.anisotropy=u,e.format=s,e.internalFormat=null,e.type=l,e.offset=new jf(0,0),e.repeat=new jf(1,1),e.center=new jf(0,0),e.rotation=0,e.matrixAutoUpdate=!0,e.matrix=new Xf,e.generateMipmaps=!0,e.premultiplyAlpha=!1,e.flipY=!0,e.unpackAlignment=4,e.encoding=c,e.version=0,e.onUpdate=null,e.isRenderTargetTexture=!1,e}return Ll(d,[{key:"updateMatrix",value:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}},{key:"toJSON",value:function(e){var t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.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 r=this.image;if(void 0===r.uuid&&(r.uuid=Bf()),!t&&void 0===e.images[r.uuid]){var i;if(Array.isArray(r)){i=[];for(var a=0,o=r.length;a<o;a++)r[a].isDataTexture?i.push(Kf(r[a].image)):i.push(Kf(r[a]))}else i=Kf(r);e.images[r.uuid]={uuid:r.uuid,url:i}}n.image=r.uuid}return t||(e.textures[this.uuid]=n),n}},{key:"dispose",value:function(){this.dispatchEvent({type:"dispose"})}},{key:"transformUv",value:function(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||1<e.x)switch(this.wrapS){case Qu:e.x=e.x-Math.floor(e.x);break;case Ku:e.x=e.x<0?0:1;break;case ec:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||1<e.y)switch(this.wrapT){case Qu:e.y=e.y-Math.floor(e.y);break;case Ku:e.y=e.y<0?0:1;break;case ec:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}},{key:"needsUpdate",set:function(e){!0===e&&this.version++}}]),d}();function Kf(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?Jf.getDataURL(e):e.data?{data:Array.prototype.slice.call(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}Qf.DEFAULT_IMAGE=void 0,Qf.DEFAULT_MAPPING=300,Qf.prototype.isTexture=!0;var ed=function(){function i(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,r=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;Tl(this,i),this.x=e,this.y=t,this.z=n,this.w=r}return Ll(i,[{key:"width",get:function(){return this.z},set:function(e){this.z=e}},{key:"height",get:function(){return this.w},set:function(e){this.w=e}},{key:"set",value:function(e,t,n,r){return this.x=e,this.y=t,this.z=n,this.w=r,this}},{key:"setScalar",value:function(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}},{key:"setX",value:function(e){return this.x=e,this}},{key:"setY",value:function(e){return this.y=e,this}},{key:"setZ",value:function(e){return this.z=e,this}},{key:"setW",value:function(e){return this.w=e,this}},{key:"setComponent",value:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}},{key:"getComponent",value:function(e){switch(e){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: "+e)}}},{key:"clone",value:function(){return new this.constructor(this.x,this.y,this.z,this.w)}},{key:"copy",value:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}},{key:"add",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}},{key:"addScalar",value:function(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}},{key:"addVectors",value:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}},{key:"addScaledVector",value:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}},{key:"sub",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}},{key:"subScalar",value:function(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}},{key:"subVectors",value:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}},{key:"multiply",value:function(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}},{key:"multiplyScalar",value:function(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}},{key:"applyMatrix4",value:function(e){var t=this.x,n=this.y,r=this.z,i=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*t+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*t+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*t+a[7]*n+a[11]*r+a[15]*i,this}},{key:"divideScalar",value:function(e){return this.multiplyScalar(1/e)}},{key:"setAxisAngleFromQuaternion",value:function(e){this.w=2*Math.acos(e.w);var t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}},{key:"setAxisAngleFromRotationMatrix",value:function(e){var t,n,r,i,a=e.elements,o=a[0],s=a[4],l=a[8],u=a[1],c=a[5],f=a[9],d=a[2],h=a[6],p=a[10];if(Math.abs(s-u)<.01&&Math.abs(l-d)<.01&&Math.abs(f-h)<.01){if(Math.abs(s+u)<.1&&Math.abs(l+d)<.1&&Math.abs(f+h)<.1&&Math.abs(o+c+p-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;var v=(o+1)/2,m=(c+1)/2,g=(p+1)/2,y=(s+u)/4,b=(l+d)/4,x=(f+h)/4;return m<v&&g<v?i=v<.01?(n=0,r=.707106781):(r=y/(n=Math.sqrt(v)),b/n):g<m?i=m<.01?(r=0,n=.707106781):(n=y/(r=Math.sqrt(m)),x/r):g<.01?(r=n=.707106781,i=0):(n=b/(i=Math.sqrt(g)),r=x/i),this.set(n,r,i,t),this}var w=Math.sqrt((h-f)*(h-f)+(l-d)*(l-d)+(u-s)*(u-s));return Math.abs(w)<.001&&(w=1),this.x=(h-f)/w,this.y=(l-d)/w,this.z=(u-s)/w,this.w=Math.acos((o+c+p-1)/2),this}},{key:"min",value:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}},{key:"max",value:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}},{key:"clamp",value:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}},{key:"clampScalar",value:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}},{key:"clampLength",value:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}},{key:"floor",value: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}},{key:"ceil",value: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}},{key:"round",value: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}},{key:"roundToZero",value: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}},{key:"negate",value:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}},{key:"dot",value:function(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}},{key:"lengthSq",value:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}},{key:"length",value:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}},{key:"manhattanLength",value:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}},{key:"normalize",value:function(){return this.divideScalar(this.length()||1)}},{key:"setLength",value:function(e){return this.normalize().multiplyScalar(e)}},{key:"lerp",value:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}},{key:"lerpVectors",value:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}},{key:"equals",value:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}},{key:"fromArray",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this.x=e[n],this.y=e[n+1],this.z=e[n+2],this.w=e[n+3],this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0;return n[r]=this.x,n[r+1]=this.y,n[r+2]=this.z,n[r+3]=this.w,n}},{key:"fromBufferAttribute",value:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}},{key:"random",value:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}},{key:Symbol.iterator,value:regeneratorRuntime.mark(function e(){return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,this.x;case 2:return e.next=4,this.y;case 4:return e.next=6,this.z;case 6:return e.next=8,this.w;case 8:case"end":return e.stop()}},e,this)})}]),i}();ed.prototype.isVector4=!0;var td=function(){Rl(a,Nf);var i=Ul(a);function a(e,t){var n,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{};return Tl(this,a),(n=i.call(this)).width=e,n.height=t,n.depth=1,n.scissor=new ed(0,0,e,t),n.scissorTest=!1,n.viewport=new ed(0,0,e,t),n.texture=new Qf(void 0,r.mapping,r.wrapS,r.wrapT,r.magFilter,r.minFilter,r.format,r.type,r.anisotropy,r.encoding),n.texture.isRenderTargetTexture=!0,n.texture.image={width:e,height:t,depth:1},n.texture.generateMipmaps=void 0!==r.generateMipmaps&&r.generateMipmaps,n.texture.internalFormat=void 0!==r.internalFormat?r.internalFormat:null,n.texture.minFilter=void 0!==r.minFilter?r.minFilter:ic,n.depthBuffer=void 0===r.depthBuffer||r.depthBuffer,n.stencilBuffer=void 0!==r.stencilBuffer&&r.stencilBuffer,n.depthTexture=void 0!==r.depthTexture?r.depthTexture:null,n}return Ll(a,[{key:"setTexture",value:function(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}},{key:"setSize",value:function(e,t,n){var r=2<arguments.length&&void 0!==n?n:1;this.width===e&&this.height===t&&this.depth===r||(this.width=e,this.height=t,this.depth=r,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=r,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.image=_l({},this.texture.image),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}},{key:"dispose",value:function(){this.dispatchEvent({type:"dispose"})}}]),a}();td.prototype.isWebGLRenderTarget=!0;var nd=function(){Rl(a,td);var i=Ul(a);function a(e,t,n){var r;return Tl(this,a),(r=i.call(this,e,t,n)).samples=4,r}return Ll(a,[{key:"copy",value:function(e){return Bl(Pl(a.prototype),"copy",this).call(this,e),this.samples=e.samples,this}}]),a}();nd.prototype.isWebGLMultisampleRenderTarget=!0;var rd=function(){function i(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,r=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;Tl(this,i),this._x=e,this._y=t,this._z=n,this._w=r}return Ll(i,[{key:"x",get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},{key:"w",get:function(){return this._w},set:function(e){this._w=e,this._onChangeCallback()}},{key:"set",value:function(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._w=r,this._onChangeCallback(),this}},{key:"clone",value:function(){return new this.constructor(this._x,this._y,this._z,this._w)}},{key:"copy",value:function(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}},{key:"setFromEuler",value:function(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=e._x,r=e._y,i=e._z,a=e._order,o=Math.cos,s=Math.sin,l=o(n/2),u=o(r/2),c=o(i/2),f=s(n/2),d=s(r/2),h=s(i/2);switch(a){case"XYZ":this._x=f*u*c+l*d*h,this._y=l*d*c-f*u*h,this._z=l*u*h+f*d*c,this._w=l*u*c-f*d*h;break;case"YXZ":this._x=f*u*c+l*d*h,this._y=l*d*c-f*u*h,this._z=l*u*h-f*d*c,this._w=l*u*c+f*d*h;break;case"ZXY":this._x=f*u*c-l*d*h,this._y=l*d*c+f*u*h,this._z=l*u*h+f*d*c,this._w=l*u*c-f*d*h;break;case"ZYX":this._x=f*u*c-l*d*h,this._y=l*d*c+f*u*h,this._z=l*u*h-f*d*c,this._w=l*u*c+f*d*h;break;case"YZX":this._x=f*u*c+l*d*h,this._y=l*d*c+f*u*h,this._z=l*u*h-f*d*c,this._w=l*u*c-f*d*h;break;case"XZY":this._x=f*u*c-l*d*h,this._y=l*d*c-f*u*h,this._z=l*u*h+f*d*c,this._w=l*u*c+f*d*h;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}},{key:"setFromAxisAngle",value:function(e,t){var n=t/2,r=Math.sin(n);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}},{key:"setFromRotationMatrix",value:function(e){var t=e.elements,n=t[0],r=t[4],i=t[8],a=t[1],o=t[5],s=t[9],l=t[2],u=t[6],c=t[10],f=n+o+c;if(0<f){var d=.5/Math.sqrt(f+1);this._w=.25/d,this._x=(u-s)*d,this._y=(i-l)*d,this._z=(a-r)*d}else if(o<n&&c<n){var h=2*Math.sqrt(1+n-o-c);this._w=(u-s)/h,this._x=.25*h,this._y=(r+a)/h,this._z=(i+l)/h}else if(c<o){var p=2*Math.sqrt(1+o-n-c);this._w=(i-l)/p,this._x=(r+a)/p,this._y=.25*p,this._z=(s+u)/p}else{var v=2*Math.sqrt(1+c-n-o);this._w=(a-r)/v,this._x=(i+l)/v,this._y=(s+u)/v,this._z=.25*v}return this._onChangeCallback(),this}},{key:"setFromUnitVectors",value:function(e,t){var n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0):(this._x=0,this._y=-e.z,this._z=e.y)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x),this._w=n,this.normalize()}},{key:"angleTo",value:function(e){return 2*Math.acos(Math.abs(Hf(this.dot(e),-1,1)))}},{key:"rotateTowards",value:function(e,t){var n=this.angleTo(e);if(0===n)return this;var r=Math.min(1,t/n);return this.slerp(e,r),this}},{key:"identity",value:function(){return this.set(0,0,0,1)}},{key:"invert",value:function(){return this.conjugate()}},{key:"conjugate",value:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}},{key:"dot",value:function(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}},{key:"lengthSq",value:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}},{key:"length",value:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}},{key:"normalize",value:function(){var e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}},{key:"multiply",value:function(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}},{key:"premultiply",value:function(e){return this.multiplyQuaternions(e,this)}},{key:"multiplyQuaternions",value:function(e,t){var n=e._x,r=e._y,i=e._z,a=e._w,o=t._x,s=t._y,l=t._z,u=t._w;return this._x=n*u+a*o+r*l-i*s,this._y=r*u+a*s+i*o-n*l,this._z=i*u+a*l+n*s-r*o,this._w=a*u-n*o-r*s-i*l,this._onChangeCallback(),this}},{key:"slerp",value:function(e,t){if(0===t)return this;if(1===t)return this.copy(e);var n=this._x,r=this._y,i=this._z,a=this._w,o=a*e._w+n*e._x+r*e._y+i*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),1<=o)return this._w=a,this._x=n,this._y=r,this._z=i,this;var s=1-o*o;if(s<=Number.EPSILON){var l=1-t;return this._w=l*a+t*this._w,this._x=l*n+t*this._x,this._y=l*r+t*this._y,this._z=l*i+t*this._z,this.normalize(),this._onChangeCallback(),this}var u=Math.sqrt(s),c=Math.atan2(u,o),f=Math.sin((1-t)*c)/u,d=Math.sin(t*c)/u;return this._w=a*f+this._w*d,this._x=n*f+this._x*d,this._y=r*f+this._y*d,this._z=i*f+this._z*d,this._onChangeCallback(),this}},{key:"slerpQuaternions",value:function(e,t,n){this.copy(e).slerp(t,n)}},{key:"random",value:function(){var e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),r=2*Math.PI*Math.random(),i=2*Math.PI*Math.random();return this.set(t*Math.cos(r),n*Math.sin(i),n*Math.cos(i),t*Math.sin(r))}},{key:"equals",value:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}},{key:"fromArray",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this._x=e[n],this._y=e[n+1],this._z=e[n+2],this._w=e[n+3],this._onChangeCallback(),this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0;return n[r]=this._x,n[r+1]=this._y,n[r+2]=this._z,n[r+3]=this._w,n}},{key:"fromBufferAttribute",value:function(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}},{key:"_onChange",value:function(e){return this._onChangeCallback=e,this}},{key:"_onChangeCallback",value:function(){}}],[{key:"slerp",value:function(e,t,n,r){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),n.slerpQuaternions(e,t,r)}},{key:"slerpFlat",value:function(e,t,n,r,i,a,o){var s=n[r+0],l=n[r+1],u=n[r+2],c=n[r+3],f=i[a+0],d=i[a+1],h=i[a+2],p=i[a+3];if(0===o)return e[t+0]=s,e[t+1]=l,e[t+2]=u,void(e[t+3]=c);if(1===o)return e[t+0]=f,e[t+1]=d,e[t+2]=h,void(e[t+3]=p);if(c!==p||s!==f||l!==d||u!==h){var v=1-o,m=s*f+l*d+u*h+c*p,g=0<=m?1:-1,y=1-m*m;if(y>Number.EPSILON){var b=Math.sqrt(y),x=Math.atan2(b,m*g);v=Math.sin(v*x)/b,o=Math.sin(o*x)/b}var w=o*g;if(s=s*v+f*w,l=l*v+d*w,u=u*v+h*w,c=c*v+p*w,v===1-o){var _=1/Math.sqrt(s*s+l*l+u*u+c*c);s*=_,l*=_,u*=_,c*=_}}e[t]=s,e[t+1]=l,e[t+2]=u,e[t+3]=c}},{key:"multiplyQuaternionsFlat",value:function(e,t,n,r,i,a){var o=n[r],s=n[r+1],l=n[r+2],u=n[r+3],c=i[a],f=i[a+1],d=i[a+2],h=i[a+3];return e[t]=o*h+u*c+s*d-l*f,e[t+1]=s*h+u*f+l*c-o*d,e[t+2]=l*h+u*d+o*f-s*c,e[t+3]=u*h-o*c-s*f-l*d,e}}]),i}();rd.prototype.isQuaternion=!0;var id=function(){function r(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0;Tl(this,r),this.x=e,this.y=t,this.z=n}return Ll(r,[{key:"set",value:function(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}},{key:"setScalar",value:function(e){return this.x=e,this.y=e,this.z=e,this}},{key:"setX",value:function(e){return this.x=e,this}},{key:"setY",value:function(e){return this.y=e,this}},{key:"setZ",value:function(e){return this.z=e,this}},{key:"setComponent",value:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}},{key:"getComponent",value:function(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}},{key:"clone",value:function(){return new this.constructor(this.x,this.y,this.z)}},{key:"copy",value:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}},{key:"add",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}},{key:"addScalar",value:function(e){return this.x+=e,this.y+=e,this.z+=e,this}},{key:"addVectors",value:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}},{key:"addScaledVector",value:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}},{key:"sub",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}},{key:"subScalar",value:function(e){return this.x-=e,this.y-=e,this.z-=e,this}},{key:"subVectors",value:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}},{key:"multiply",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}},{key:"multiplyScalar",value:function(e){return this.x*=e,this.y*=e,this.z*=e,this}},{key:"multiplyVectors",value:function(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}},{key:"applyEuler",value:function(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(od.setFromEuler(e))}},{key:"applyAxisAngle",value:function(e,t){return this.applyQuaternion(od.setFromAxisAngle(e,t))}},{key:"applyMatrix3",value:function(e){var t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6]*r,this.y=i[1]*t+i[4]*n+i[7]*r,this.z=i[2]*t+i[5]*n+i[8]*r,this}},{key:"applyNormalMatrix",value:function(e){return this.applyMatrix3(e).normalize()}},{key:"applyMatrix4",value:function(e){var t=this.x,n=this.y,r=this.z,i=e.elements,a=1/(i[3]*t+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*t+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*t+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*t+i[6]*n+i[10]*r+i[14])*a,this}},{key:"applyQuaternion",value:function(e){var t=this.x,n=this.y,r=this.z,i=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*r-o*n,u=s*n+o*t-i*r,c=s*r+i*n-a*t,f=-i*t-a*n-o*r;return this.x=l*s+f*-i+u*-o-c*-a,this.y=u*s+f*-a+c*-i-l*-o,this.z=c*s+f*-o+l*-a-u*-i,this}},{key:"project",value:function(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}},{key:"unproject",value:function(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}},{key:"transformDirection",value:function(e){var t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[4]*n+i[8]*r,this.y=i[1]*t+i[5]*n+i[9]*r,this.z=i[2]*t+i[6]*n+i[10]*r,this.normalize()}},{key:"divide",value:function(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}},{key:"divideScalar",value:function(e){return this.multiplyScalar(1/e)}},{key:"min",value:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}},{key:"max",value:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}},{key:"clamp",value:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}},{key:"clampScalar",value:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}},{key:"clampLength",value:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}},{key:"floor",value:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}},{key:"ceil",value:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}},{key:"round",value:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}},{key:"roundToZero",value: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}},{key:"negate",value:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}},{key:"dot",value:function(e){return this.x*e.x+this.y*e.y+this.z*e.z}},{key:"lengthSq",value:function(){return this.x*this.x+this.y*this.y+this.z*this.z}},{key:"length",value:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}},{key:"manhattanLength",value:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}},{key:"normalize",value:function(){return this.divideScalar(this.length()||1)}},{key:"setLength",value:function(e){return this.normalize().multiplyScalar(e)}},{key:"lerp",value:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}},{key:"lerpVectors",value:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}},{key:"cross",value:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}},{key:"crossVectors",value:function(e,t){var n=e.x,r=e.y,i=e.z,a=t.x,o=t.y,s=t.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*a,this}},{key:"projectOnVector",value:function(e){var t=e.lengthSq();if(0===t)return this.set(0,0,0);var n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}},{key:"projectOnPlane",value:function(e){return ad.copy(this).projectOnVector(e),this.sub(ad)}},{key:"reflect",value:function(e){return this.sub(ad.copy(e).multiplyScalar(2*this.dot(e)))}},{key:"angleTo",value:function(e){var t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;var n=this.dot(e)/t;return Math.acos(Hf(n,-1,1))}},{key:"distanceTo",value:function(e){return Math.sqrt(this.distanceToSquared(e))}},{key:"distanceToSquared",value:function(e){var t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}},{key:"manhattanDistanceTo",value:function(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}},{key:"setFromSpherical",value:function(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}},{key:"setFromSphericalCoords",value:function(e,t,n){var r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*Math.cos(n),this}},{key:"setFromCylindrical",value:function(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}},{key:"setFromCylindricalCoords",value:function(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}},{key:"setFromMatrixPosition",value:function(e){var t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}},{key:"setFromMatrixScale",value:function(e){var t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}},{key:"setFromMatrixColumn",value:function(e,t){return this.fromArray(e.elements,4*t)}},{key:"setFromMatrix3Column",value:function(e,t){return this.fromArray(e.elements,3*t)}},{key:"equals",value:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}},{key:"fromArray",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this.x=e[n],this.y=e[n+1],this.z=e[n+2],this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0;return n[r]=this.x,n[r+1]=this.y,n[r+2]=this.z,n}},{key:"fromBufferAttribute",value:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}},{key:"random",value:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}},{key:"randomDirection",value:function(){var e=2*(Math.random()-.5),t=Math.random()*Math.PI*2,n=Math.sqrt(1-Math.pow(e,2));return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}},{key:Symbol.iterator,value:regeneratorRuntime.mark(function e(){return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,this.x;case 2:return e.next=4,this.y;case 4:return e.next=6,this.z;case 6:case"end":return e.stop()}},e,this)})}]),r}();id.prototype.isVector3=!0;var ad=new id,od=new rd,sd=function(){function n(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id(1/0,1/0,1/0),t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id(-1/0,-1/0,-1/0);Tl(this,n),this.min=e,this.max=t}return Ll(n,[{key:"set",value:function(e,t){return this.min.copy(e),this.max.copy(t),this}},{key:"setFromArray",value:function(e){for(var t=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,l=e.length;s<l;s+=3){var u=e[s],c=e[s+1],f=e[s+2];u<t&&(t=u),c<n&&(n=c),f<r&&(r=f),i<u&&(i=u),a<c&&(a=c),o<f&&(o=f)}return this.min.set(t,n,r),this.max.set(i,a,o),this}},{key:"setFromBufferAttribute",value:function(e){for(var t=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,l=e.count;s<l;s++){var u=e.getX(s),c=e.getY(s),f=e.getZ(s);u<t&&(t=u),c<n&&(n=c),f<r&&(r=f),i<u&&(i=u),a<c&&(a=c),o<f&&(o=f)}return this.min.set(t,n,r),this.max.set(i,a,o),this}},{key:"setFromPoints",value:function(e){this.makeEmpty();for(var t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}},{key:"setFromCenterAndSize",value:function(e,t){var n=ud.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}},{key:"setFromObject",value:function(e){return this.makeEmpty(),this.expandByObject(e)}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){return this.min.copy(e.min),this.max.copy(e.max),this}},{key:"makeEmpty",value: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}},{key:"isEmpty",value:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}},{key:"getCenter",value:function(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}},{key:"getSize",value:function(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}},{key:"expandByPoint",value:function(e){return this.min.min(e),this.max.max(e),this}},{key:"expandByVector",value:function(e){return this.min.sub(e),this.max.add(e),this}},{key:"expandByScalar",value:function(e){return this.min.addScalar(-e),this.max.addScalar(e),this}},{key:"expandByObject",value:function(e){e.updateWorldMatrix(!1,!1);var t=e.geometry;void 0!==t&&(null===t.boundingBox&&t.computeBoundingBox(),cd.copy(t.boundingBox),cd.applyMatrix4(e.matrixWorld),this.union(cd));for(var n=e.children,r=0,i=n.length;r<i;r++)this.expandByObject(n[r]);return this}},{key:"containsPoint",value:function(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}},{key:"containsBox",value:function(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}},{key:"getParameter",value:function(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}},{key:"intersectsBox",value:function(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}},{key:"intersectsSphere",value:function(e){return this.clampPoint(e.center,ud),ud.distanceToSquared(e.center)<=e.radius*e.radius}},{key:"intersectsPlane",value:function(e){var t,n;return n=0<e.normal.x?(t=e.normal.x*this.min.x,e.normal.x*this.max.x):(t=e.normal.x*this.max.x,e.normal.x*this.min.x),0<e.normal.y?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),0<e.normal.z?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}},{key:"intersectsTriangle",value:function(e){if(this.isEmpty())return!1;this.getCenter(gd),yd.subVectors(this.max,gd),fd.subVectors(e.a,gd),dd.subVectors(e.b,gd),hd.subVectors(e.c,gd),pd.subVectors(dd,fd),vd.subVectors(hd,dd),md.subVectors(fd,hd);var t=[0,-pd.z,pd.y,0,-vd.z,vd.y,0,-md.z,md.y,pd.z,0,-pd.x,vd.z,0,-vd.x,md.z,0,-md.x,-pd.y,pd.x,0,-vd.y,vd.x,0,-md.y,md.x,0];return!!wd(t,fd,dd,hd,yd)&&(!!wd(t=[1,0,0,0,1,0,0,0,1],fd,dd,hd,yd)&&(bd.crossVectors(pd,vd),wd(t=[bd.x,bd.y,bd.z],fd,dd,hd,yd)))}},{key:"clampPoint",value:function(e,t){return t.copy(e).clamp(this.min,this.max)}},{key:"distanceToPoint",value:function(e){return ud.copy(e).clamp(this.min,this.max).sub(e).length()}},{key:"getBoundingSphere",value:function(e){return this.getCenter(e.center),e.radius=.5*this.getSize(ud).length(),e}},{key:"intersect",value:function(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}},{key:"union",value:function(e){return this.min.min(e.min),this.max.max(e.max),this}},{key:"applyMatrix4",value:function(e){return this.isEmpty()||(ld[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),ld[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),ld[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),ld[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),ld[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),ld[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),ld[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),ld[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(ld)),this}},{key:"translate",value:function(e){return this.min.add(e),this.max.add(e),this}},{key:"equals",value:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}]),n}();sd.prototype.isBox3=!0;var ld=[new id,new id,new id,new id,new id,new id,new id,new id],ud=new id,cd=new sd,fd=new id,dd=new id,hd=new id,pd=new id,vd=new id,md=new id,gd=new id,yd=new id,bd=new id,xd=new id;function wd(e,t,n,r,i){for(var a=0,o=e.length-3;a<=o;a+=3){xd.fromArray(e,a);var s=i.x*Math.abs(xd.x)+i.y*Math.abs(xd.y)+i.z*Math.abs(xd.z),l=t.dot(xd),u=n.dot(xd),c=r.dot(xd);if(Math.max(-Math.max(l,u,c),Math.min(l,u,c))>s)return!1}return!0}var _d=new sd,Sd=new id,Md=new id,Ed=new id,Td=function(){function n(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:-1;Tl(this,n),this.center=e,this.radius=t}return Ll(n,[{key:"set",value:function(e,t){return this.center.copy(e),this.radius=t,this}},{key:"setFromPoints",value:function(e,t){var n=this.center;void 0!==t?n.copy(t):_d.setFromPoints(e).getCenter(n);for(var r=0,i=0,a=e.length;i<a;i++)r=Math.max(r,n.distanceToSquared(e[i]));return this.radius=Math.sqrt(r),this}},{key:"copy",value:function(e){return this.center.copy(e.center),this.radius=e.radius,this}},{key:"isEmpty",value:function(){return this.radius<0}},{key:"makeEmpty",value:function(){return this.center.set(0,0,0),this.radius=-1,this}},{key:"containsPoint",value:function(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}},{key:"distanceToPoint",value:function(e){return e.distanceTo(this.center)-this.radius}},{key:"intersectsSphere",value:function(e){var t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}},{key:"intersectsBox",value:function(e){return e.intersectsSphere(this)}},{key:"intersectsPlane",value:function(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}},{key:"clampPoint",value:function(e,t){var n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}},{key:"getBoundingBox",value:function(e){return this.isEmpty()?e.makeEmpty():(e.set(this.center,this.center),e.expandByScalar(this.radius)),e}},{key:"applyMatrix4",value:function(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}},{key:"translate",value:function(e){return this.center.add(e),this}},{key:"expandByPoint",value:function(e){Ed.subVectors(e,this.center);var t=Ed.lengthSq();if(t>this.radius*this.radius){var n=Math.sqrt(t),r=.5*(n-this.radius);this.center.add(Ed.multiplyScalar(r/n)),this.radius+=r}return this}},{key:"union",value:function(e){return Md.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(Sd.copy(e.center).add(Md)),this.expandByPoint(Sd.copy(e.center).sub(Md)),this}},{key:"equals",value:function(e){return e.center.equals(this.center)&&e.radius===this.radius}},{key:"clone",value:function(){return(new this.constructor).copy(this)}}]),n}(),kd=new id,Ld=new id,Cd=new id,Rd=new id,Pd=new id,Ad=new id,Od=new id,Nd=function(){function n(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id(0,0,-1);Tl(this,n),this.origin=e,this.direction=t}return Ll(n,[{key:"set",value:function(e,t){return this.origin.copy(e),this.direction.copy(t),this}},{key:"copy",value:function(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}},{key:"at",value:function(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}},{key:"lookAt",value:function(e){return this.direction.copy(e).sub(this.origin).normalize(),this}},{key:"recast",value:function(e){return this.origin.copy(this.at(e,kd)),this}},{key:"closestPointToPoint",value:function(e,t){t.subVectors(e,this.origin);var n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}},{key:"distanceToPoint",value:function(e){return Math.sqrt(this.distanceSqToPoint(e))}},{key:"distanceSqToPoint",value:function(e){var t=kd.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(kd.copy(this.direction).multiplyScalar(t).add(this.origin),kd.distanceToSquared(e))}},{key:"distanceSqToSegment",value:function(e,t,n,r){Ld.copy(e).add(t).multiplyScalar(.5),Cd.copy(t).sub(e).normalize(),Rd.copy(this.origin).sub(Ld);var i,a,o,s,l=.5*e.distanceTo(t),u=-this.direction.dot(Cd),c=Rd.dot(this.direction),f=-Rd.dot(Cd),d=Rd.lengthSq(),h=Math.abs(1-u*u);if(0<h)if(a=u*c-f,s=l*h,0<=(i=u*f-c))if(-s<=a)if(a<=s){var p=1/h;o=(i*=p)*(i+u*(a*=p)+2*c)+a*(u*i+a+2*f)+d}else a=l,o=-(i=Math.max(0,-(u*a+c)))*i+a*(a+2*f)+d;else a=-l,o=-(i=Math.max(0,-(u*a+c)))*i+a*(a+2*f)+d;else o=a<=-s?-(i=Math.max(0,-(-u*l+c)))*i+(a=0<i?-l:Math.min(Math.max(-l,-f),l))*(a+2*f)+d:a<=s?(i=0,(a=Math.min(Math.max(-l,-f),l))*(a+2*f)+d):-(i=Math.max(0,-(u*l+c)))*i+(a=0<i?l:Math.min(Math.max(-l,-f),l))*(a+2*f)+d;else a=0<u?-l:l,o=-(i=Math.max(0,-(u*a+c)))*i+a*(a+2*f)+d;return n&&n.copy(this.direction).multiplyScalar(i).add(this.origin),r&&r.copy(Cd).multiplyScalar(a).add(Ld),o}},{key:"intersectSphere",value:function(e,t){kd.subVectors(e.center,this.origin);var n=kd.dot(this.direction),r=kd.dot(kd)-n*n,i=e.radius*e.radius;if(i<r)return null;var a=Math.sqrt(i-r),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)}},{key:"intersectsSphere",value:function(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}},{key:"distanceToPlane",value:function(e){var t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(e.normal)+e.constant)/t;return 0<=n?n:null}},{key:"intersectPlane",value:function(e,t){var n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}},{key:"intersectsPlane",value:function(e){var t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}},{key:"intersectBox",value:function(e,t){var n,r,i,a,o,s,l=1/this.direction.x,u=1/this.direction.y,c=1/this.direction.z,f=this.origin;return r=0<=l?(n=(e.min.x-f.x)*l,(e.max.x-f.x)*l):(n=(e.max.x-f.x)*l,(e.min.x-f.x)*l),(a=0<=u?(i=(e.min.y-f.y)*u,(e.max.y-f.y)*u):(i=(e.max.y-f.y)*u,(e.min.y-f.y)*u))<n||r<i?null:((n<i||n!=n)&&(n=i),(a<r||r!=r)&&(r=a),(s=0<=c?(o=(e.min.z-f.z)*c,(e.max.z-f.z)*c):(o=(e.max.z-f.z)*c,(e.min.z-f.z)*c))<n||r<o?null:((n<o||n!=n)&&(n=o),(s<r||r!=r)&&(r=s),r<0?null:this.at(0<=n?n:r,t)))}},{key:"intersectsBox",value:function(e){return null!==this.intersectBox(e,kd)}},{key:"intersectTriangle",value:function(e,t,n,r,i){Pd.subVectors(t,e),Ad.subVectors(n,e),Od.crossVectors(Pd,Ad);var a,o=this.direction.dot(Od);if(0<o){if(r)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Rd.subVectors(this.origin,e);var s=a*this.direction.dot(Ad.crossVectors(Rd,Ad));if(s<0)return null;var l=a*this.direction.dot(Pd.cross(Rd));if(l<0)return null;if(o<s+l)return null;var u=-a*Rd.dot(Od);return u<0?null:this.at(u/o,i)}},{key:"applyMatrix4",value:function(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}},{key:"equals",value:function(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}},{key:"clone",value:function(){return(new this.constructor).copy(this)}}]),n}(),Dd=function(){function e(){Tl(this,e),this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],0<arguments.length&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}return Ll(e,[{key:"set",value:function(e,t,n,r,i,a,o,s,l,u,c,f,d,h,p,v){var m=this.elements;return m[0]=e,m[4]=t,m[8]=n,m[12]=r,m[1]=i,m[5]=a,m[9]=o,m[13]=s,m[2]=l,m[6]=u,m[10]=c,m[14]=f,m[3]=d,m[7]=h,m[11]=p,m[15]=v,this}},{key:"identity",value:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}},{key:"clone",value:function(){return(new e).fromArray(this.elements)}},{key:"copy",value:function(e){var t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}},{key:"copyPosition",value:function(e){var t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}},{key:"setFromMatrix3",value:function(e){var t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}},{key:"extractBasis",value:function(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}},{key:"makeBasis",value:function(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}},{key:"extractRotation",value:function(e){var t=this.elements,n=e.elements,r=1/Id.setFromMatrixColumn(e,0).length(),i=1/Id.setFromMatrixColumn(e,1).length(),a=1/Id.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}},{key:"makeRotationFromEuler",value:function(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var t=this.elements,n=e.x,r=e.y,i=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),l=Math.sin(r),u=Math.cos(i),c=Math.sin(i);if("XYZ"===e.order){var f=a*u,d=a*c,h=o*u,p=o*c;t[0]=s*u,t[4]=-s*c,t[8]=l,t[1]=d+h*l,t[5]=f-p*l,t[9]=-o*s,t[2]=p-f*l,t[6]=h+d*l,t[10]=a*s}else if("YXZ"===e.order){var v=s*u,m=s*c,g=l*u,y=l*c;t[0]=v+y*o,t[4]=g*o-m,t[8]=a*l,t[1]=a*c,t[5]=a*u,t[9]=-o,t[2]=m*o-g,t[6]=y+v*o,t[10]=a*s}else if("ZXY"===e.order){var b=s*u,x=s*c,w=l*u,_=l*c;t[0]=b-_*o,t[4]=-a*c,t[8]=w+x*o,t[1]=x+w*o,t[5]=a*u,t[9]=_-b*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){var S=a*u,M=a*c,E=o*u,T=o*c;t[0]=s*u,t[4]=E*l-M,t[8]=S*l+T,t[1]=s*c,t[5]=T*l+S,t[9]=M*l-E,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){var k=a*s,L=a*l,C=o*s,R=o*l;t[0]=s*u,t[4]=R-k*c,t[8]=C*c+L,t[1]=c,t[5]=a*u,t[9]=-o*u,t[2]=-l*u,t[6]=L*c+C,t[10]=k-R*c}else if("XZY"===e.order){var P=a*s,A=a*l,O=o*s,N=o*l;t[0]=s*u,t[4]=-c,t[8]=l*u,t[1]=P*c+N,t[5]=a*u,t[9]=A*c-O,t[2]=O*c-A,t[6]=o*u,t[10]=N*c+P}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}},{key:"makeRotationFromQuaternion",value:function(e){return this.compose(Fd,e,Ud)}},{key:"lookAt",value:function(e,t,n){var r=this.elements;return Gd.subVectors(e,t),0===Gd.lengthSq()&&(Gd.z=1),Gd.normalize(),Bd.crossVectors(n,Gd),0===Bd.lengthSq()&&(1===Math.abs(n.z)?Gd.x+=1e-4:Gd.z+=1e-4,Gd.normalize(),Bd.crossVectors(n,Gd)),Bd.normalize(),Hd.crossVectors(Gd,Bd),r[0]=Bd.x,r[4]=Hd.x,r[8]=Gd.x,r[1]=Bd.y,r[5]=Hd.y,r[9]=Gd.y,r[2]=Bd.z,r[6]=Hd.z,r[10]=Gd.z,this}},{key:"multiply",value:function(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}},{key:"premultiply",value:function(e){return this.multiplyMatrices(e,this)}},{key:"multiplyMatrices",value:function(e,t){var n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],u=n[1],c=n[5],f=n[9],d=n[13],h=n[2],p=n[6],v=n[10],m=n[14],g=n[3],y=n[7],b=n[11],x=n[15],w=r[0],_=r[4],S=r[8],M=r[12],E=r[1],T=r[5],k=r[9],L=r[13],C=r[2],R=r[6],P=r[10],A=r[14],O=r[3],N=r[7],D=r[11],I=r[15];return i[0]=a*w+o*E+s*C+l*O,i[4]=a*_+o*T+s*R+l*N,i[8]=a*S+o*k+s*P+l*D,i[12]=a*M+o*L+s*A+l*I,i[1]=u*w+c*E+f*C+d*O,i[5]=u*_+c*T+f*R+d*N,i[9]=u*S+c*k+f*P+d*D,i[13]=u*M+c*L+f*A+d*I,i[2]=h*w+p*E+v*C+m*O,i[6]=h*_+p*T+v*R+m*N,i[10]=h*S+p*k+v*P+m*D,i[14]=h*M+p*L+v*A+m*I,i[3]=g*w+y*E+b*C+x*O,i[7]=g*_+y*T+b*R+x*N,i[11]=g*S+y*k+b*P+x*D,i[15]=g*M+y*L+b*A+x*I,this}},{key:"multiplyScalar",value:function(e){var t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}},{key:"determinant",value:function(){var e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],a=e[1],o=e[5],s=e[9],l=e[13],u=e[2],c=e[6],f=e[10],d=e[14];return e[3]*(+i*s*c-r*l*c-i*o*f+n*l*f+r*o*d-n*s*d)+e[7]*(+t*s*d-t*l*f+i*a*f-r*a*d+r*l*u-i*s*u)+e[11]*(+t*l*c-t*o*d-i*a*c+n*a*d+i*o*u-n*l*u)+e[15]*(-r*o*u-t*s*c+t*o*f+r*a*c-n*a*f+n*s*u)}},{key:"transpose",value:function(){var e,t=this.elements;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}},{key:"setPosition",value:function(e,t,n){var r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}},{key:"invert",value:function(){var e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],u=e[8],c=e[9],f=e[10],d=e[11],h=e[12],p=e[13],v=e[14],m=e[15],g=c*v*l-p*f*l+p*s*d-o*v*d-c*s*m+o*f*m,y=h*f*l-u*v*l-h*s*d+a*v*d+u*s*m-a*f*m,b=u*p*l-h*c*l+h*o*d-a*p*d-u*o*m+a*c*m,x=h*c*s-u*p*s-h*o*f+a*p*f+u*o*v-a*c*v,w=t*g+n*y+r*b+i*x;if(0==w)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var _=1/w;return e[0]=g*_,e[1]=(p*f*i-c*v*i-p*r*d+n*v*d+c*r*m-n*f*m)*_,e[2]=(o*v*i-p*s*i+p*r*l-n*v*l-o*r*m+n*s*m)*_,e[3]=(c*s*i-o*f*i-c*r*l+n*f*l+o*r*d-n*s*d)*_,e[4]=y*_,e[5]=(u*v*i-h*f*i+h*r*d-t*v*d-u*r*m+t*f*m)*_,e[6]=(h*s*i-a*v*i-h*r*l+t*v*l+a*r*m-t*s*m)*_,e[7]=(a*f*i-u*s*i+u*r*l-t*f*l-a*r*d+t*s*d)*_,e[8]=b*_,e[9]=(h*c*i-u*p*i-h*n*d+t*p*d+u*n*m-t*c*m)*_,e[10]=(a*p*i-h*o*i+h*n*l-t*p*l-a*n*m+t*o*m)*_,e[11]=(u*o*i-a*c*i-u*n*l+t*c*l+a*n*d-t*o*d)*_,e[12]=x*_,e[13]=(u*p*r-h*c*r+h*n*f-t*p*f-u*n*v+t*c*v)*_,e[14]=(h*o*r-a*p*r-h*n*s+t*p*s+a*n*v-t*o*v)*_,e[15]=(a*c*r-u*o*r+u*n*s-t*c*s-a*n*f+t*o*f)*_,this}},{key:"scale",value:function(e){var t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}},{key:"getMaxScaleOnAxis",value:function(){var e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}},{key:"makeTranslation",value:function(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}},{key:"makeRotationX",value:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}},{key:"makeRotationY",value:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}},{key:"makeRotationZ",value:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}},{key:"makeRotationAxis",value:function(e,t){var n=Math.cos(t),r=Math.sin(t),i=1-n,a=e.x,o=e.y,s=e.z,l=i*a,u=i*o;return this.set(l*a+n,l*o-r*s,l*s+r*o,0,l*o+r*s,u*o+n,u*s-r*a,0,l*s-r*o,u*s+r*a,i*s*s+n,0,0,0,0,1),this}},{key:"makeScale",value:function(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}},{key:"makeShear",value:function(e,t,n,r,i,a){return this.set(1,n,i,0,e,1,a,0,t,r,1,0,0,0,0,1),this}},{key:"compose",value:function(e,t,n){var r=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,l=i+i,u=a+a,c=o+o,f=i*l,d=i*u,h=i*c,p=a*u,v=a*c,m=o*c,g=s*l,y=s*u,b=s*c,x=n.x,w=n.y,_=n.z;return r[0]=(1-(p+m))*x,r[1]=(d+b)*x,r[2]=(h-y)*x,r[3]=0,r[4]=(d-b)*w,r[5]=(1-(f+m))*w,r[6]=(v+g)*w,r[7]=0,r[8]=(h+y)*_,r[9]=(v-g)*_,r[10]=(1-(f+p))*_,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}},{key:"decompose",value:function(e,t,n){var r=this.elements,i=Id.set(r[0],r[1],r[2]).length(),a=Id.set(r[4],r[5],r[6]).length(),o=Id.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),e.x=r[12],e.y=r[13],e.z=r[14],zd.copy(this);var s=1/i,l=1/a,u=1/o;return zd.elements[0]*=s,zd.elements[1]*=s,zd.elements[2]*=s,zd.elements[4]*=l,zd.elements[5]*=l,zd.elements[6]*=l,zd.elements[8]*=u,zd.elements[9]*=u,zd.elements[10]*=u,t.setFromRotationMatrix(zd),n.x=i,n.y=a,n.z=o,this}},{key:"makePerspective",value:function(e,t,n,r,i,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*i/(t-e),l=2*i/(n-r),u=(t+e)/(t-e),c=(n+r)/(n-r),f=-(a+i)/(a-i),d=-2*a*i/(a-i);return o[0]=s,o[4]=0,o[8]=u,o[12]=0,o[1]=0,o[5]=l,o[9]=c,o[13]=0,o[2]=0,o[6]=0,o[10]=f,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}},{key:"makeOrthographic",value:function(e,t,n,r,i,a){var o=this.elements,s=1/(t-e),l=1/(n-r),u=1/(a-i),c=(t+e)*s,f=(n+r)*l,d=(a+i)*u;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-c,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-f,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}},{key:"equals",value:function(e){for(var t=this.elements,n=e.elements,r=0;r<16;r++)if(t[r]!==n[r])return!1;return!0}},{key:"fromArray",value:function(e,t){for(var n=1<arguments.length&&void 0!==t?t:0,r=0;r<16;r++)this.elements[r]=e[r+n];return this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0,i=this.elements;return n[r]=i[0],n[r+1]=i[1],n[r+2]=i[2],n[r+3]=i[3],n[r+4]=i[4],n[r+5]=i[5],n[r+6]=i[6],n[r+7]=i[7],n[r+8]=i[8],n[r+9]=i[9],n[r+10]=i[10],n[r+11]=i[11],n[r+12]=i[12],n[r+13]=i[13],n[r+14]=i[14],n[r+15]=i[15],n}}]),e}();Dd.prototype.isMatrix4=!0;var Id=new id,zd=new Dd,Fd=new id(0,0,0),Ud=new id(1,1,1),Bd=new id,Hd=new id,Gd=new id,Vd=new Dd,Wd=new rd,jd=function(){function i(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,r=3<arguments.length&&void 0!==arguments[3]?arguments[3]:i.DefaultOrder;Tl(this,i),this._x=e,this._y=t,this._z=n,this._order=r}return Ll(i,[{key:"x",get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},{key:"y",get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},{key:"z",get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},{key:"order",get:function(){return this._order},set:function(e){this._order=e,this._onChangeCallback()}},{key:"set",value:function(e,t,n,r){var i=3<arguments.length&&void 0!==r?r:this._order;return this._x=e,this._y=t,this._z=n,this._order=i,this._onChangeCallback(),this}},{key:"clone",value:function(){return new this.constructor(this._x,this._y,this._z,this._order)}},{key:"copy",value:function(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}},{key:"setFromRotationMatrix",value:function(e,t,n){var r=1<arguments.length&&void 0!==t?t:this._order,i=!(2<arguments.length&&void 0!==n)||n,a=e.elements,o=a[0],s=a[4],l=a[8],u=a[1],c=a[5],f=a[9],d=a[2],h=a[6],p=a[10];switch(r){case"XYZ":this._y=Math.asin(Hf(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-f,p),this._z=Math.atan2(-s,o)):(this._x=Math.atan2(h,c),this._z=0);break;case"YXZ":this._x=Math.asin(-Hf(f,-1,1)),Math.abs(f)<.9999999?(this._y=Math.atan2(l,p),this._z=Math.atan2(u,c)):(this._y=Math.atan2(-d,o),this._z=0);break;case"ZXY":this._x=Math.asin(Hf(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(-d,p),this._z=Math.atan2(-s,c)):(this._y=0,this._z=Math.atan2(u,o));break;case"ZYX":this._y=Math.asin(-Hf(d,-1,1)),Math.abs(d)<.9999999?(this._x=Math.atan2(h,p),this._z=Math.atan2(u,o)):(this._x=0,this._z=Math.atan2(-s,c));break;case"YZX":this._z=Math.asin(Hf(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(-f,c),this._y=Math.atan2(-d,o)):(this._x=0,this._y=Math.atan2(l,p));break;case"XZY":this._z=Math.asin(-Hf(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(h,c),this._y=Math.atan2(l,o)):(this._x=Math.atan2(-f,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+r)}return this._order=r,!0===i&&this._onChangeCallback(),this}},{key:"setFromQuaternion",value:function(e,t,n){return Vd.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Vd,t,n)}},{key:"setFromVector3",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:this._order;return this.set(e.x,e.y,e.z,n)}},{key:"reorder",value:function(e){return Wd.setFromEuler(this),this.setFromQuaternion(Wd,e)}},{key:"equals",value:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}},{key:"fromArray",value:function(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0;return n[r]=this._x,n[r+1]=this._y,n[r+2]=this._z,n[r+3]=this._order,n}},{key:"toVector3",value:function(e){return e?e.set(this._x,this._y,this._z):new id(this._x,this._y,this._z)}},{key:"_onChange",value:function(e){return this._onChangeCallback=e,this}},{key:"_onChangeCallback",value:function(){}}]),i}();jd.prototype.isEuler=!0,jd.DefaultOrder="XYZ",jd.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var qd=function(){function e(){Tl(this,e),this.mask=1}return Ll(e,[{key:"set",value:function(e){this.mask=1<<e|0}},{key:"enable",value:function(e){this.mask|=1<<e|0}},{key:"enableAll",value:function(){this.mask=-1}},{key:"toggle",value:function(e){this.mask^=1<<e|0}},{key:"disable",value:function(e){this.mask&=~(1<<e|0)}},{key:"disableAll",value:function(){this.mask=0}},{key:"test",value:function(e){return 0!=(this.mask&e.mask)}}]),e}(),Xd=0,Yd=new id,Zd=new rd,Jd=new Dd,$d=new id,Qd=new id,Kd=new id,eh=new rd,th=new id(1,0,0),nh=new id(0,1,0),rh=new id(0,0,1),ih={type:"added"},ah={type:"removed"},oh=function(){Rl(o,Nf);var a=Ul(o);function o(){var e;Tl(this,o),e=a.call(this),Object.defineProperty(zl(e),"id",{value:Xd++}),e.uuid=Bf(),e.name="",e.type="Object3D",e.parent=null,e.children=[],e.up=o.DefaultUp.clone();var t=new id,n=new jd,r=new rd,i=new id(1,1,1);return n._onChange(function(){r.setFromEuler(n,!1)}),r._onChange(function(){n.setFromQuaternion(r,void 0,!1)}),Object.defineProperties(zl(e),{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:n},quaternion:{configurable:!0,enumerable:!0,value:r},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Dd},normalMatrix:{value:new Xf}}),e.matrix=new Dd,e.matrixWorld=new Dd,e.matrixAutoUpdate=o.DefaultMatrixAutoUpdate,e.matrixWorldNeedsUpdate=!1,e.layers=new qd,e.visible=!0,e.castShadow=!1,e.receiveShadow=!1,e.frustumCulled=!0,e.renderOrder=0,e.animations=[],e.userData={},e}return Ll(o,[{key:"onBeforeRender",value:function(){}},{key:"onAfterRender",value:function(){}},{key:"applyMatrix4",value:function(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}},{key:"applyQuaternion",value:function(e){return this.quaternion.premultiply(e),this}},{key:"setRotationFromAxisAngle",value:function(e,t){this.quaternion.setFromAxisAngle(e,t)}},{key:"setRotationFromEuler",value:function(e){this.quaternion.setFromEuler(e,!0)}},{key:"setRotationFromMatrix",value:function(e){this.quaternion.setFromRotationMatrix(e)}},{key:"setRotationFromQuaternion",value:function(e){this.quaternion.copy(e)}},{key:"rotateOnAxis",value:function(e,t){return Zd.setFromAxisAngle(e,t),this.quaternion.multiply(Zd),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Zd.setFromAxisAngle(e,t),this.quaternion.premultiply(Zd),this}},{key:"rotateX",value:function(e){return this.rotateOnAxis(th,e)}},{key:"rotateY",value:function(e){return this.rotateOnAxis(nh,e)}},{key:"rotateZ",value:function(e){return this.rotateOnAxis(rh,e)}},{key:"translateOnAxis",value:function(e,t){return Yd.copy(e).applyQuaternion(this.quaternion),this.position.add(Yd.multiplyScalar(t)),this}},{key:"translateX",value:function(e){return this.translateOnAxis(th,e)}},{key:"translateY",value:function(e){return this.translateOnAxis(nh,e)}},{key:"translateZ",value:function(e){return this.translateOnAxis(rh,e)}},{key:"localToWorld",value:function(e){return e.applyMatrix4(this.matrixWorld)}},{key:"worldToLocal",value:function(e){return e.applyMatrix4(Jd.copy(this.matrixWorld).invert())}},{key:"lookAt",value:function(e,t,n){e.isVector3?$d.copy(e):$d.set(e,t,n);var r=this.parent;this.updateWorldMatrix(!0,!1),Qd.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Jd.lookAt(Qd,$d,this.up):Jd.lookAt($d,Qd,this.up),this.quaternion.setFromRotationMatrix(Jd),r&&(Jd.extractRotation(r.matrixWorld),Zd.setFromRotationMatrix(Jd),this.quaternion.premultiply(Zd.invert()))}},{key:"add",value:function(e){if(1<arguments.length){for(var t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?console.error("THREE.Object3D.add: object can't be added as a child of itself.",e):e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),(e.parent=this).children.push(e),e.dispatchEvent(ih)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this}},{key:"remove",value:function(e){if(1<arguments.length){for(var t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}var n=this.children.indexOf(e);return-1!==n&&(e.parent=null,this.children.splice(n,1),e.dispatchEvent(ah)),this}},{key:"removeFromParent",value:function(){var e=this.parent;return null!==e&&e.remove(this),this}},{key:"clear",value:function(){for(var e=0;e<this.children.length;e++){var t=this.children[e];t.parent=null,t.dispatchEvent(ah)}return this.children.length=0,this}},{key:"attach",value:function(e){return this.updateWorldMatrix(!0,!1),Jd.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),Jd.multiply(e.parent.matrixWorld)),e.applyMatrix4(Jd),this.add(e),e.updateWorldMatrix(!1,!0),this}},{key:"getObjectById",value:function(e){return this.getObjectByProperty("id",e)}},{key:"getObjectByName",value:function(e){return this.getObjectByProperty("name",e)}},{key:"getObjectByProperty",value:function(e,t){if(this[e]===t)return this;for(var n=0,r=this.children.length;n<r;n++){var i=this.children[n].getObjectByProperty(e,t);if(void 0!==i)return i}}},{key:"getWorldPosition",value:function(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}},{key:"getWorldQuaternion",value:function(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Qd,e,Kd),e}},{key:"getWorldScale",value:function(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Qd,eh,e),e}},{key:"getWorldDirection",value:function(e){this.updateWorldMatrix(!0,!1);var t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}},{key:"raycast",value:function(){}},{key:"traverse",value:function(e){e(this);for(var t=this.children,n=0,r=t.length;n<r;n++)t[n].traverse(e)}},{key:"traverseVisible",value:function(e){if(!1!==this.visible){e(this);for(var t=this.children,n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)}}},{key:"traverseAncestors",value:function(e){var t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}},{key:"updateMatrix",value:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}},{key:"updateMatrixWorld",value:function(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),e=!(this.matrixWorldNeedsUpdate=!1));for(var t=this.children,n=0,r=t.length;n<r;n++)t[n].updateMatrixWorld(e)}},{key:"updateWorldMatrix",value:function(e,t){var n=this.parent;if(!0===e&&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===t)for(var r=this.children,i=0,a=r.length;i<a;i++)r[i].updateWorldMatrix(!1,!0)}},{key:"toJSON",value:function(n){var e=void 0===n||"string"==typeof n,t={};e&&(n={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},t.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var r={};function i(e,t){return void 0===e[t.uuid]&&(e[t.uuid]=t.toJSON(n)),t.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(r.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(n).uuid)),this.environment&&this.environment.isTexture&&(r.environment=this.environment.toJSON(n).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=i(n.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,l=o.length;s<l;s++){var u=o[s];i(n.shapes,u)}else i(n.shapes,o)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(n.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){for(var c=[],f=0,d=this.material.length;f<d;f++)c.push(i(n.materials,this.material[f]));r.material=c}else r.material=i(n.materials,this.material);if(0<this.children.length){r.children=[];for(var h=0;h<this.children.length;h++)r.children.push(this.children[h].toJSON(n).object)}if(0<this.animations.length){r.animations=[];for(var p=0;p<this.animations.length;p++){var v=this.animations[p];r.animations.push(i(n.animations,v))}}if(e){var m=S(n.geometries),g=S(n.materials),y=S(n.textures),b=S(n.images),x=S(n.shapes),w=S(n.skeletons),_=S(n.animations);0<m.length&&(t.geometries=m),0<g.length&&(t.materials=g),0<y.length&&(t.textures=y),0<b.length&&(t.images=b),0<x.length&&(t.shapes=x),0<w.length&&(t.skeletons=w),0<_.length&&(t.animations=_)}return t.object=r,t;function S(e){var t=[];for(var n in e){var r=e[n];delete r.metadata,t.push(r)}return t}}},{key:"clone",value:function(e){return(new this.constructor).copy(this,e)}},{key:"copy",value:function(e,t){var n=!(1<arguments.length&&void 0!==t)||t;if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===n)for(var r=0;r<e.children.length;r++){var i=e.children[r];this.add(i.clone())}return this}}]),o}();oh.DefaultUp=new id(0,1,0),oh.DefaultMatrixAutoUpdate=!0,oh.prototype.isObject3D=!0;var sh=new id,lh=new id,uh=new id,ch=new id,fh=new id,dh=new id,hh=new id,ph=new id,vh=new id,mh=new id,gh=function(){function a(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new id;Tl(this,a),this.a=e,this.b=t,this.c=n}return Ll(a,[{key:"set",value:function(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}},{key:"setFromPointsAndIndices",value:function(e,t,n,r){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[r]),this}},{key:"setFromAttributeAndIndices",value:function(e,t,n,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,r),this}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}},{key:"getArea",value:function(){return sh.subVectors(this.c,this.b),lh.subVectors(this.a,this.b),.5*sh.cross(lh).length()}},{key:"getMidpoint",value:function(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}},{key:"getNormal",value:function(e){return a.getNormal(this.a,this.b,this.c,e)}},{key:"getPlane",value:function(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}},{key:"getBarycoord",value:function(e,t){return a.getBarycoord(e,this.a,this.b,this.c,t)}},{key:"getUV",value:function(e,t,n,r,i){return a.getUV(e,this.a,this.b,this.c,t,n,r,i)}},{key:"containsPoint",value:function(e){return a.containsPoint(e,this.a,this.b,this.c)}},{key:"isFrontFacing",value:function(e){return a.isFrontFacing(this.a,this.b,this.c,e)}},{key:"intersectsBox",value:function(e){return e.intersectsTriangle(this)}},{key:"closestPointToPoint",value:function(e,t){var n,r,i=this.a,a=this.b,o=this.c;fh.subVectors(a,i),dh.subVectors(o,i),ph.subVectors(e,i);var s=fh.dot(ph),l=dh.dot(ph);if(s<=0&&l<=0)return t.copy(i);vh.subVectors(e,a);var u=fh.dot(vh),c=dh.dot(vh);if(0<=u&&c<=u)return t.copy(a);var f=s*c-u*l;if(f<=0&&0<=s&&u<=0)return n=s/(s-u),t.copy(i).addScaledVector(fh,n);mh.subVectors(e,o);var d=fh.dot(mh),h=dh.dot(mh);if(0<=h&&d<=h)return t.copy(o);var p=d*l-s*h;if(p<=0&&0<=l&&h<=0)return r=l/(l-h),t.copy(i).addScaledVector(dh,r);var v=u*h-d*c;if(v<=0&&0<=c-u&&0<=d-h)return hh.subVectors(o,a),r=(c-u)/(c-u+(d-h)),t.copy(a).addScaledVector(hh,r);var m=1/(v+p+f);return n=p*m,r=f*m,t.copy(i).addScaledVector(fh,n).addScaledVector(dh,r)}},{key:"equals",value:function(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}],[{key:"getNormal",value:function(e,t,n,r){r.subVectors(n,t),sh.subVectors(e,t),r.cross(sh);var i=r.lengthSq();return 0<i?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}},{key:"getBarycoord",value:function(e,t,n,r,i){sh.subVectors(r,t),lh.subVectors(n,t),uh.subVectors(e,t);var a=sh.dot(sh),o=sh.dot(lh),s=sh.dot(uh),l=lh.dot(lh),u=lh.dot(uh),c=a*l-o*o;if(0==c)return i.set(-2,-1,-1);var f=1/c,d=(l*s-o*u)*f,h=(a*u-o*s)*f;return i.set(1-d-h,h,d)}},{key:"containsPoint",value:function(e,t,n,r){return this.getBarycoord(e,t,n,r,ch),0<=ch.x&&0<=ch.y&&ch.x+ch.y<=1}},{key:"getUV",value:function(e,t,n,r,i,a,o,s){return this.getBarycoord(e,t,n,r,ch),s.set(0,0),s.addScaledVector(i,ch.x),s.addScaledVector(a,ch.y),s.addScaledVector(o,ch.z),s}},{key:"isFrontFacing",value:function(e,t,n,r){return sh.subVectors(n,t),lh.subVectors(e,t),sh.cross(lh).dot(r)<0}}]),a}(),yh=0,bh=function(){Rl(n,Nf);var t=Ul(n);function n(){var e;return Tl(this,n),e=t.call(this),Object.defineProperty(zl(e),"id",{value:yh++}),e.uuid=Bf(),e.name="",e.type="Material",e.fog=!0,e.blending=lu,e.side=iu,e.vertexColors=!1,e.opacity=1,e.format=wc,e.transparent=!1,e.blendSrc=_u,e.blendDst=Su,e.blendEquation=hu,e.blendSrcAlpha=null,e.blendDstAlpha=null,e.blendEquationAlpha=null,e.depthFunc=Au,e.depthTest=!0,e.depthWrite=!0,e.stencilWriteMask=255,e.stencilFunc=519,e.stencilRef=0,e.stencilFuncMask=255,e.stencilFail=7680,e.stencilZFail=7680,e.stencilZPass=7680,e.stencilWrite=!1,e.clippingPlanes=null,e.clipIntersection=!1,e.clipShadows=!1,e.shadowSide=null,e.colorWrite=!0,e.precision=null,e.polygonOffset=!1,e.polygonOffsetFactor=0,e.polygonOffsetUnits=0,e.dithering=!1,e.alphaToCoverage=!1,e.premultipliedAlpha=!1,e.visible=!0,e.toneMapped=!0,e.userData={},e.version=0,e._alphaTest=0,e}return Ll(n,[{key:"alphaTest",get:function(){return this._alphaTest},set:function(e){0<this._alphaTest!=0<e&&this.version++,this._alphaTest=e}},{key:"onBuild",value:function(){}},{key:"onBeforeRender",value:function(){}},{key:"onBeforeCompile",value:function(){}},{key:"customProgramCacheKey",value:function(){return this.onBeforeCompile.toString()}},{key:"setValues",value:function(e){if(void 0!==e)for(var t in e){var n=e[t];if(void 0!==n)if("shading"!==t){var r=this[t];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}else console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;else console.warn("THREE.Material: '"+t+"' parameter is undefined.")}}},{key:"toJSON",value:function(e){var t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});var n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(e){var t=[];for(var n in e){var r=e[n];delete r.metadata,t.push(r)}return t}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenTint&&this.sheenTint.isColor&&(n.sheenTint=this.sheenTint.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularTint&&this.specularTint.isColor&&(n.specularTint=this.specularTint.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 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(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularTintMap&&this.specularTintMap.isTexture&&(n.specularTintMap=this.specularTintMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),void 0!==this.attenuationDistance&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationTint&&(n.attenuationTint=this.attenuationTint.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==lu&&(n.blending=this.blending),this.side!==iu&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.format!==wc&&(n.format=this.format),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,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),0<this.alphaTest&&(n.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),1<this.wireframeLinewidth&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){var i=r(e.textures),a=r(e.images);0<i.length&&(n.textures=i),0<a.length&&(n.images=a)}return n}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.format=e.format,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;var t=e.clippingPlanes,n=null;if(null!==t){var r=t.length;n=new Array(r);for(var i=0;i!==r;++i)n[i]=t[i].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}},{key:"dispose",value:function(){this.dispatchEvent({type:"dispose"})}},{key:"needsUpdate",set:function(e){!0===e&&this.version++}}]),n}();bh.prototype.isMaterial=!0;var xh={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},wh={h:0,s:0,l:0},_h={h:0,s:0,l:0};function Sh(e,t,n){return n<0&&(n+=1),1<n&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function Mh(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function Eh(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}var Th=function(){function r(e,t,n){return Tl(this,r),void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}return Ll(r,[{key:"set",value:function(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}},{key:"setScalar",value:function(e){return this.r=e,this.g=e,this.b=e,this}},{key:"setHex",value:function(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this}},{key:"setRGB",value:function(e,t,n){return this.r=e,this.g=t,this.b=n,this}},{key:"setHSL",value:function(e,t,n){if(e=function(e,t){return(e%t+t)%t}(e,1),t=Hf(t,0,1),n=Hf(n,0,1),0===t)this.r=this.g=this.b=n;else{var r=n<=.5?n*(1+t):n+t-n*t,i=2*n-r;this.r=Sh(i,r,e+1/3),this.g=Sh(i,r,e),this.b=Sh(i,r,e-1/3)}return this}},{key:"setStyle",value: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 r,i=n[1],a=n[2];switch(i){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(r[1],10))/255,this.g=Math.min(255,parseInt(r[2],10))/255,this.b=Math.min(255,parseInt(r[3],10))/255,e(r[4]),this;if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(r[1],10))/100,this.g=Math.min(100,parseInt(r[2],10))/100,this.b=Math.min(100,parseInt(r[3],10))/100,e(r[4]),this;break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a)){var o=parseFloat(r[1])/360,s=parseInt(r[2],10)/100,l=parseInt(r[3],10)/100;return e(r[4]),this.setHSL(o,s,l)}}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(t)){var u=n[1],c=u.length;if(3===c)return this.r=parseInt(u.charAt(0)+u.charAt(0),16)/255,this.g=parseInt(u.charAt(1)+u.charAt(1),16)/255,this.b=parseInt(u.charAt(2)+u.charAt(2),16)/255,this;if(6===c)return this.r=parseInt(u.charAt(0)+u.charAt(1),16)/255,this.g=parseInt(u.charAt(2)+u.charAt(3),16)/255,this.b=parseInt(u.charAt(4)+u.charAt(5),16)/255,this}return t&&0<t.length?this.setColorName(t):this}},{key:"setColorName",value:function(e){var t=xh[e.toLowerCase()];return void 0!==t?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}},{key:"clone",value:function(){return new this.constructor(this.r,this.g,this.b)}},{key:"copy",value:function(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}},{key:"copyGammaToLinear",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:2;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this}},{key:"copyLinearToGamma",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:2,r=0<n?1/n:1;return this.r=Math.pow(e.r,r),this.g=Math.pow(e.g,r),this.b=Math.pow(e.b,r),this}},{key:"convertGammaToLinear",value:function(e){return this.copyGammaToLinear(this,e),this}},{key:"convertLinearToGamma",value:function(e){return this.copyLinearToGamma(this,e),this}},{key:"copySRGBToLinear",value:function(e){return this.r=Mh(e.r),this.g=Mh(e.g),this.b=Mh(e.b),this}},{key:"copyLinearToSRGB",value:function(e){return this.r=Eh(e.r),this.g=Eh(e.g),this.b=Eh(e.b),this}},{key:"convertSRGBToLinear",value:function(){return this.copySRGBToLinear(this),this}},{key:"convertLinearToSRGB",value:function(){return this.copyLinearToSRGB(this),this}},{key:"getHex",value:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0}},{key:"getHexString",value:function(){return("000000"+this.getHex().toString(16)).slice(-6)}},{key:"getHSL",value:function(e){var t,n,r=this.r,i=this.g,a=this.b,o=Math.max(r,i,a),s=Math.min(r,i,a),l=(s+o)/2;if(s===o)n=t=0;else{var u=o-s;switch(n=l<=.5?u/(o+s):u/(2-o-s),o){case r:t=(i-a)/u+(i<a?6:0);break;case i:t=(a-r)/u+2;break;case a:t=(r-i)/u+4}t/=6}return e.h=t,e.s=n,e.l=l,e}},{key:"getStyle",value:function(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"}},{key:"offsetHSL",value:function(e,t,n){return this.getHSL(wh),wh.h+=e,wh.s+=t,wh.l+=n,this.setHSL(wh.h,wh.s,wh.l),this}},{key:"add",value:function(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}},{key:"addColors",value:function(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}},{key:"addScalar",value:function(e){return this.r+=e,this.g+=e,this.b+=e,this}},{key:"sub",value:function(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}},{key:"multiply",value:function(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}},{key:"multiplyScalar",value:function(e){return this.r*=e,this.g*=e,this.b*=e,this}},{key:"lerp",value:function(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}},{key:"lerpColors",value:function(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}},{key:"lerpHSL",value:function(e,t){this.getHSL(wh),e.getHSL(_h);var n=Gf(wh.h,_h.h,t),r=Gf(wh.s,_h.s,t),i=Gf(wh.l,_h.l,t);return this.setHSL(n,r,i),this}},{key:"equals",value:function(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}},{key:"fromArray",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this.r=e[n],this.g=e[n+1],this.b=e[n+2],this}},{key:"toArray",value:function(e,t){var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0;return n[r]=this.r,n[r+1]=this.g,n[r+2]=this.b,n}},{key:"fromBufferAttribute",value:function(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),!0===e.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}},{key:"toJSON",value:function(){return this.getHex()}}]),r}();Th.NAMES=xh,Th.prototype.isColor=!0,Th.prototype.r=1,Th.prototype.g=1,Th.prototype.b=1;var kh=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshBasicMaterial",t.color=new Th(16777215),t.map=null,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=null,t.aoMapIntensity=1,t.specularMap=null,t.alphaMap=null,t.envMap=null,t.combine=zu,t.reflectivity=1,t.refractionRatio=.98,t.wireframe=!1,t.wireframeLinewidth=1,t.wireframeLinecap="round",t.wireframeLinejoin="round",t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}}]),r}();kh.prototype.isMeshBasicMaterial=!0;var Lh=new id,Ch=new jf,Rh=function(){function r(e,t,n){if(Tl(this,r),Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=Pf,this.updateRange={offset:0,count:-1},this.version=0}return Ll(r,[{key:"onUploadCallback",value:function(){}},{key:"needsUpdate",set:function(e){!0===e&&this.version++}},{key:"setUsage",value:function(e){return this.usage=e,this}},{key:"copy",value:function(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}},{key:"copyAt",value:function(e,t,n){e*=this.itemSize,n*=t.itemSize;for(var r=0,i=this.itemSize;r<i;r++)this.array[e+r]=t.array[n+r];return this}},{key:"copyArray",value:function(e){return this.array.set(e),this}},{key:"copyColorsArray",value:function(e){for(var t=this.array,n=0,r=0,i=e.length;r<i;r++){var a=e[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",r),a=new Th),t[n++]=a.r,t[n++]=a.g,t[n++]=a.b}return this}},{key:"copyVector2sArray",value:function(e){for(var t=this.array,n=0,r=0,i=e.length;r<i;r++){var a=e[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",r),a=new jf),t[n++]=a.x,t[n++]=a.y}return this}},{key:"copyVector3sArray",value:function(e){for(var t=this.array,n=0,r=0,i=e.length;r<i;r++){var a=e[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",r),a=new id),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z}return this}},{key:"copyVector4sArray",value:function(e){for(var t=this.array,n=0,r=0,i=e.length;r<i;r++){var a=e[r];void 0===a&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",r),a=new ed),t[n++]=a.x,t[n++]=a.y,t[n++]=a.z,t[n++]=a.w}return this}},{key:"applyMatrix3",value:function(e){if(2===this.itemSize)for(var t=0,n=this.count;t<n;t++)Ch.fromBufferAttribute(this,t),Ch.applyMatrix3(e),this.setXY(t,Ch.x,Ch.y);else if(3===this.itemSize)for(var r=0,i=this.count;r<i;r++)Lh.fromBufferAttribute(this,r),Lh.applyMatrix3(e),this.setXYZ(r,Lh.x,Lh.y,Lh.z);return this}},{key:"applyMatrix4",value:function(e){for(var t=0,n=this.count;t<n;t++)Lh.x=this.getX(t),Lh.y=this.getY(t),Lh.z=this.getZ(t),Lh.applyMatrix4(e),this.setXYZ(t,Lh.x,Lh.y,Lh.z);return this}},{key:"applyNormalMatrix",value:function(e){for(var t=0,n=this.count;t<n;t++)Lh.x=this.getX(t),Lh.y=this.getY(t),Lh.z=this.getZ(t),Lh.applyNormalMatrix(e),this.setXYZ(t,Lh.x,Lh.y,Lh.z);return this}},{key:"transformDirection",value:function(e){for(var t=0,n=this.count;t<n;t++)Lh.x=this.getX(t),Lh.y=this.getY(t),Lh.z=this.getZ(t),Lh.transformDirection(e),this.setXYZ(t,Lh.x,Lh.y,Lh.z);return this}},{key:"set",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this.array.set(e,n),this}},{key:"getX",value:function(e){return this.array[e*this.itemSize]}},{key:"setX",value:function(e,t){return this.array[e*this.itemSize]=t,this}},{key:"getY",value:function(e){return this.array[e*this.itemSize+1]}},{key:"setY",value:function(e,t){return this.array[e*this.itemSize+1]=t,this}},{key:"getZ",value:function(e){return this.array[e*this.itemSize+2]}},{key:"setZ",value:function(e,t){return this.array[e*this.itemSize+2]=t,this}},{key:"getW",value:function(e){return this.array[e*this.itemSize+3]}},{key:"setW",value:function(e,t){return this.array[e*this.itemSize+3]=t,this}},{key:"setXY",value:function(e,t,n){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this}},{key:"setXYZ",value:function(e,t,n,r){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this}},{key:"setXYZW",value:function(e,t,n,r,i){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this.array[e+3]=i,this}},{key:"onUpload",value:function(e){return this.onUploadCallback=e,this}},{key:"clone",value:function(){return new this.constructor(this.array,this.itemSize).copy(this)}},{key:"toJSON",value:function(){var e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==Pf&&(e.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(e.updateRange=this.updateRange),e}}]),r}();Rh.prototype.isBufferAttribute=!0;var Ph=function(){Rl(i,Rh);var r=Ul(i);function i(e,t,n){return Tl(this,i),r.call(this,new Uint16Array(e),t,n)}return i}(),Ah=function(){Rl(i,Rh);var r=Ul(i);function i(e,t,n){return Tl(this,i),r.call(this,new Uint32Array(e),t,n)}return i}(),Oh=function(){Rl(i,Rh);var r=Ul(i);function i(e,t,n){return Tl(this,i),r.call(this,new Float32Array(e),t,n)}return i}(),Nh=0,Dh=new Dd,Ih=new oh,zh=new id,Fh=new sd,Uh=new sd,Bh=new id,Hh=function(){Rl(g,Nf);var t=Ul(g);function g(){var e;return Tl(this,g),e=t.call(this),Object.defineProperty(zl(e),"id",{value:Nh++}),e.uuid=Bf(),e.name="",e.type="BufferGeometry",e.index=null,e.attributes={},e.morphAttributes={},e.morphTargetsRelative=!1,e.groups=[],e.boundingBox=null,e.boundingSphere=null,e.drawRange={start:0,count:1/0},e.userData={},e}return Ll(g,[{key:"getIndex",value:function(){return this.index}},{key:"setIndex",value:function(e){return Array.isArray(e)?this.index=new(65535<Yf(e)?Ah:Ph)(e,1):this.index=e,this}},{key:"getAttribute",value:function(e){return this.attributes[e]}},{key:"setAttribute",value:function(e,t){return this.attributes[e]=t,this}},{key:"deleteAttribute",value:function(e){return delete this.attributes[e],this}},{key:"hasAttribute",value:function(e){return void 0!==this.attributes[e]}},{key:"addGroup",value:function(e,t,n){var r=2<arguments.length&&void 0!==n?n:0;this.groups.push({start:e,count:t,materialIndex:r})}},{key:"clearGroups",value:function(){this.groups=[]}},{key:"setDrawRange",value:function(e,t){this.drawRange.start=e,this.drawRange.count=t}},{key:"applyMatrix4",value:function(e){var t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);var n=this.attributes.normal;if(void 0!==n){var r=(new Xf).getNormalMatrix(e);n.applyNormalMatrix(r),n.needsUpdate=!0}var i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(e),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}},{key:"applyQuaternion",value:function(e){return Dh.makeRotationFromQuaternion(e),this.applyMatrix4(Dh),this}},{key:"rotateX",value:function(e){return Dh.makeRotationX(e),this.applyMatrix4(Dh),this}},{key:"rotateY",value:function(e){return Dh.makeRotationY(e),this.applyMatrix4(Dh),this}},{key:"rotateZ",value:function(e){return Dh.makeRotationZ(e),this.applyMatrix4(Dh),this}},{key:"translate",value:function(e,t,n){return Dh.makeTranslation(e,t,n),this.applyMatrix4(Dh),this}},{key:"scale",value:function(e,t,n){return Dh.makeScale(e,t,n),this.applyMatrix4(Dh),this}},{key:"lookAt",value:function(e){return Ih.lookAt(e),Ih.updateMatrix(),this.applyMatrix4(Ih.matrix),this}},{key:"center",value:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(zh).negate(),this.translate(zh.x,zh.y,zh.z),this}},{key:"setFromPoints",value:function(e){for(var t=[],n=0,r=e.length;n<r;n++){var i=e[n];t.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new Oh(t,3)),this}},{key:"computeBoundingBox",value:function(){null===this.boundingBox&&(this.boundingBox=new sd);var e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.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 id(-1/0,-1/0,-1/0),new id(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(var n=0,r=t.length;n<r;n++){var i=t[n];Fh.setFromBufferAttribute(i),this.morphTargetsRelative?(Bh.addVectors(this.boundingBox.min,Fh.min),this.boundingBox.expandByPoint(Bh),Bh.addVectors(this.boundingBox.max,Fh.max),this.boundingBox.expandByPoint(Bh)):(this.boundingBox.expandByPoint(Fh.min),this.boundingBox.expandByPoint(Fh.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)}},{key:"computeBoundingSphere",value:function(){null===this.boundingSphere&&(this.boundingSphere=new Td);var e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.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 id,1/0);if(e){var n=this.boundingSphere.center;if(Fh.setFromBufferAttribute(e),t)for(var r=0,i=t.length;r<i;r++){var a=t[r];Uh.setFromBufferAttribute(a),this.morphTargetsRelative?(Bh.addVectors(Fh.min,Uh.min),Fh.expandByPoint(Bh),Bh.addVectors(Fh.max,Uh.max),Fh.expandByPoint(Bh)):(Fh.expandByPoint(Uh.min),Fh.expandByPoint(Uh.max))}Fh.getCenter(n);for(var o=0,s=0,l=e.count;s<l;s++)Bh.fromBufferAttribute(e,s),o=Math.max(o,n.distanceToSquared(Bh));if(t)for(var u=0,c=t.length;u<c;u++)for(var f=t[u],d=this.morphTargetsRelative,h=0,p=f.count;h<p;h++)Bh.fromBufferAttribute(f,h),d&&(zh.fromBufferAttribute(e,h),Bh.add(zh)),o=Math.max(o,n.distanceToSquared(Bh));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)}}},{key:"computeTangents",value:function(){var e=this.index,t=this.attributes;if(null!==e&&void 0!==t.position&&void 0!==t.normal&&void 0!==t.uv){var n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,o=i.length/3;void 0===t.tangent&&this.setAttribute("tangent",new Rh(new Float32Array(4*o),4));for(var s=t.tangent.array,l=[],u=[],c=0;c<o;c++)l[c]=new id,u[c]=new id;var f=new id,d=new id,h=new id,p=new jf,v=new jf,m=new jf,g=new id,y=new id,b=this.groups;0===b.length&&(b=[{start:0,count:n.length}]);for(var x=0,w=b.length;x<w;++x)for(var _=b[x],S=_.start,M=S,E=S+_.count;M<E;M+=3)I(n[M+0],n[M+1],n[M+2]);for(var T=new id,k=new id,L=new id,C=new id,R=0,P=b.length;R<P;++R)for(var A=b[R],O=A.start,N=O,D=O+A.count;N<D;N+=3)z(n[N+0]),z(n[N+1]),z(n[N+2])}else console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");function I(e,t,n){f.fromArray(i,3*e),d.fromArray(i,3*t),h.fromArray(i,3*n),p.fromArray(a,2*e),v.fromArray(a,2*t),m.fromArray(a,2*n),d.sub(f),h.sub(f),v.sub(p),m.sub(p);var r=1/(v.x*m.y-m.x*v.y);isFinite(r)&&(g.copy(d).multiplyScalar(m.y).addScaledVector(h,-v.y).multiplyScalar(r),y.copy(h).multiplyScalar(v.x).addScaledVector(d,-m.x).multiplyScalar(r),l[e].add(g),l[t].add(g),l[n].add(g),u[e].add(y),u[t].add(y),u[n].add(y))}function z(e){L.fromArray(r,3*e),C.copy(L);var t=l[e];T.copy(t),T.sub(L.multiplyScalar(L.dot(t))).normalize(),k.crossVectors(C,t);var n=k.dot(u[e])<0?-1:1;s[4*e]=T.x,s[4*e+1]=T.y,s[4*e+2]=T.z,s[4*e+3]=n}}},{key:"computeVertexNormals",value:function(){var e=this.index,t=this.getAttribute("position");if(void 0!==t){var n=this.getAttribute("normal");if(void 0===n)n=new Rh(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(var r=0,i=n.count;r<i;r++)n.setXYZ(r,0,0,0);var a=new id,o=new id,s=new id,l=new id,u=new id,c=new id,f=new id,d=new id;if(e)for(var h=0,p=e.count;h<p;h+=3){var v=e.getX(h+0),m=e.getX(h+1),g=e.getX(h+2);a.fromBufferAttribute(t,v),o.fromBufferAttribute(t,m),s.fromBufferAttribute(t,g),f.subVectors(s,o),d.subVectors(a,o),f.cross(d),l.fromBufferAttribute(n,v),u.fromBufferAttribute(n,m),c.fromBufferAttribute(n,g),l.add(f),u.add(f),c.add(f),n.setXYZ(v,l.x,l.y,l.z),n.setXYZ(m,u.x,u.y,u.z),n.setXYZ(g,c.x,c.y,c.z)}else for(var y=0,b=t.count;y<b;y+=3)a.fromBufferAttribute(t,y+0),o.fromBufferAttribute(t,y+1),s.fromBufferAttribute(t,y+2),f.subVectors(s,o),d.subVectors(a,o),f.cross(d),n.setXYZ(y+0,f.x,f.y,f.z),n.setXYZ(y+1,f.x,f.y,f.z),n.setXYZ(y+2,f.x,f.y,f.z);this.normalizeNormals(),n.needsUpdate=!0}}},{key:"merge",value:function(e,t){if(e&&e.isBufferGeometry){void 0===t&&(t=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 r in n)if(void 0!==e.attributes[r])for(var i=n[r].array,a=e.attributes[r],o=a.array,s=a.itemSize*t,l=Math.min(o.length,i.length-s),u=0,c=s;u<l;u++,c++)i[c]=o[u];return this}console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e)}},{key:"normalizeNormals",value:function(){for(var e=this.attributes.normal,t=0,n=e.count;t<n;t++)Bh.fromBufferAttribute(e,t),Bh.normalize(),e.setXYZ(t,Bh.x,Bh.y,Bh.z)}},{key:"toNonIndexed",value:function(){function e(e,t){for(var n=e.array,r=e.itemSize,i=e.normalized,a=new n.constructor(t.length*r),o=0,s=0,l=0,u=t.length;l<u;l++){o=e.isInterleavedBufferAttribute?t[l]*e.data.stride+e.offset:t[l]*r;for(var c=0;c<r;c++)a[s++]=n[o++]}return new Rh(a,r,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;var t=new g,n=this.index.array,r=this.attributes;for(var i in r){var a=e(r[i],n);t.setAttribute(i,a)}var o=this.morphAttributes;for(var s in o){for(var l=[],u=o[s],c=0,f=u.length;c<f;c++){var d=e(u[c],n);l.push(d)}t.morphAttributes[s]=l}t.morphTargetsRelative=this.morphTargetsRelative;for(var h=this.groups,p=0,v=h.length;p<v;p++){var m=h[p];t.addGroup(m.start,m.count,m.materialIndex)}return t}},{key:"toJSON",value:function(){var e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),0<Object.keys(this.userData).length&&(e.userData=this.userData),void 0!==this.parameters){var t=this.parameters;for(var n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};var r=this.index;null!==r&&(e.data.index={type:r.array.constructor.name,array:Array.prototype.slice.call(r.array)});var i=this.attributes;for(var a in i){var o=i[a];e.data.attributes[a]=o.toJSON(e.data)}var s={},l=!1;for(var u in this.morphAttributes){for(var c=this.morphAttributes[u],f=[],d=0,h=c.length;d<h;d++){var p=c[d];f.push(p.toJSON(e.data))}0<f.length&&(s[u]=f,l=!0)}l&&(e.data.morphAttributes=s,e.data.morphTargetsRelative=this.morphTargetsRelative);var v=this.groups;0<v.length&&(e.data.groups=JSON.parse(JSON.stringify(v)));var m=this.boundingSphere;return null!==m&&(e.data.boundingSphere={center:m.center.toArray(),radius:m.radius}),e}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;var t={};this.name=e.name;var n=e.index;null!==n&&this.setIndex(n.clone(t));var r=e.attributes;for(var i in r){var a=r[i];this.setAttribute(i,a.clone(t))}var o=e.morphAttributes;for(var s in o){for(var l=[],u=o[s],c=0,f=u.length;c<f;c++)l.push(u[c].clone(t));this.morphAttributes[s]=l}this.morphTargetsRelative=e.morphTargetsRelative;for(var d=e.groups,h=0,p=d.length;h<p;h++){var v=d[h];this.addGroup(v.start,v.count,v.materialIndex)}var m=e.boundingBox;null!==m&&(this.boundingBox=m.clone());var g=e.boundingSphere;return null!==g&&(this.boundingSphere=g.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,void 0!==e.parameters&&(this.parameters=Object.assign({},e.parameters)),this}},{key:"dispose",value:function(){this.dispatchEvent({type:"dispose"})}}]),g}();Hh.prototype.isBufferGeometry=!0;var Gh=new Dd,Vh=new Nd,Wh=new Td,jh=new id,qh=new id,Xh=new id,Yh=new id,Zh=new id,Jh=new id,$h=new id,Qh=new id,Kh=new id,ep=new jf,tp=new jf,np=new jf,rp=new id,ip=new id,ap=function(){Rl(i,oh);var r=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new Hh,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new kh;return Tl(this,i),(e=r.call(this)).type="Mesh",e.geometry=t,e.material=n,e.updateMorphTargets(),e}return Ll(i,[{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}},{key:"updateMorphTargets",value:function(){var e=this.geometry;if(e.isBufferGeometry){var t=e.morphAttributes,n=Object.keys(t);if(0<n.length){var r=t[n[0]];if(void 0!==r){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var i=0,a=r.length;i<a;i++){var o=r[i].name||String(i);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=i}}}}else{var s=e.morphTargets;void 0!==s&&0<s.length&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}},{key:"raycast",value:function(e,t){var n,r=this.geometry,i=this.material,a=this.matrixWorld;if(void 0!==i&&(null===r.boundingSphere&&r.computeBoundingSphere(),Wh.copy(r.boundingSphere),Wh.applyMatrix4(a),!1!==e.ray.intersectsSphere(Wh)&&(Gh.copy(a).invert(),Vh.copy(e.ray).applyMatrix4(Gh),null===r.boundingBox||!1!==Vh.intersectsBox(r.boundingBox))))if(r.isBufferGeometry){var o=r.index,s=r.attributes.position,l=r.morphAttributes.position,u=r.morphTargetsRelative,c=r.attributes.uv,f=r.attributes.uv2,d=r.groups,h=r.drawRange;if(null!==o)if(Array.isArray(i))for(var p=0,v=d.length;p<v;p++)for(var m=d[p],g=i[m.materialIndex],y=Math.max(m.start,h.start),b=Math.min(o.count,Math.min(m.start+m.count,h.start+h.count));y<b;y+=3){var x=o.getX(y),w=o.getX(y+1),_=o.getX(y+2);(n=op(this,g,e,Vh,s,l,u,c,f,x,w,_))&&(n.faceIndex=Math.floor(y/3),n.face.materialIndex=m.materialIndex,t.push(n))}else for(var S=Math.max(0,h.start),M=Math.min(o.count,h.start+h.count);S<M;S+=3){var E=o.getX(S),T=o.getX(S+1),k=o.getX(S+2);(n=op(this,i,e,Vh,s,l,u,c,f,E,T,k))&&(n.faceIndex=Math.floor(S/3),t.push(n))}else if(void 0!==s)if(Array.isArray(i))for(var L=0,C=d.length;L<C;L++)for(var R=d[L],P=i[R.materialIndex],A=Math.max(R.start,h.start),O=Math.min(s.count,Math.min(R.start+R.count,h.start+h.count));A<O;A+=3){(n=op(this,P,e,Vh,s,l,u,c,f,A,A+1,A+2))&&(n.faceIndex=Math.floor(A/3),n.face.materialIndex=R.materialIndex,t.push(n))}else for(var N=Math.max(0,h.start),D=Math.min(s.count,h.start+h.count);N<D;N+=3){(n=op(this,i,e,Vh,s,l,u,c,f,N,N+1,N+2))&&(n.faceIndex=Math.floor(N/3),t.push(n))}}else r.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}]),i}();function op(e,t,n,r,i,a,o,s,l,u,c,f){jh.fromBufferAttribute(i,u),qh.fromBufferAttribute(i,c),Xh.fromBufferAttribute(i,f);var d=e.morphTargetInfluences;if(a&&d){$h.set(0,0,0),Qh.set(0,0,0),Kh.set(0,0,0);for(var h=0,p=a.length;h<p;h++){var v=d[h],m=a[h];0!==v&&(Yh.fromBufferAttribute(m,u),Zh.fromBufferAttribute(m,c),Jh.fromBufferAttribute(m,f),o?($h.addScaledVector(Yh,v),Qh.addScaledVector(Zh,v),Kh.addScaledVector(Jh,v)):($h.addScaledVector(Yh.sub(jh),v),Qh.addScaledVector(Zh.sub(qh),v),Kh.addScaledVector(Jh.sub(Xh),v)))}jh.add($h),qh.add(Qh),Xh.add(Kh)}e.isSkinnedMesh&&(e.boneTransform(u,jh),e.boneTransform(c,qh),e.boneTransform(f,Xh));var g=function(e,t,n,r,i,a,o,s){if(null===(t.side===au?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,t.side!==ou,s)))return null;ip.copy(s),ip.applyMatrix4(e.matrixWorld);var l=n.ray.origin.distanceTo(ip);return l<n.near||l>n.far?null:{distance:l,point:ip.clone(),object:e}}(e,t,n,r,jh,qh,Xh,rp);if(g){s&&(ep.fromBufferAttribute(s,u),tp.fromBufferAttribute(s,c),np.fromBufferAttribute(s,f),g.uv=gh.getUV(rp,jh,qh,Xh,ep,tp,np,new jf)),l&&(ep.fromBufferAttribute(l,u),tp.fromBufferAttribute(l,c),np.fromBufferAttribute(l,f),g.uv2=gh.getUV(rp,jh,qh,Xh,ep,tp,np,new jf));var y={a:u,b:c,c:f,normal:new id,materialIndex:0};gh.getNormal(jh,qh,Xh,y.normal),g.face=y}return g}ap.prototype.isMesh=!0;var sp=function(){Rl(u,Hh);var l=Ul(u);function u(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:1,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1,a=4<arguments.length&&void 0!==arguments[4]?arguments[4]:1,o=5<arguments.length&&void 0!==arguments[5]?arguments[5]:1;Tl(this,u),(e=l.call(this)).type="BoxGeometry",e.parameters={width:t,height:n,depth:r,widthSegments:i,heightSegments:a,depthSegments:o};var P=zl(e);i=Math.floor(i),a=Math.floor(a),o=Math.floor(o);var A=[],O=[],N=[],D=[],I=0,z=0;function s(e,t,n,r,i,a,o,s,l,u,c){for(var f=a/l,d=o/u,h=a/2,p=o/2,v=s/2,m=l+1,g=u+1,y=0,b=0,x=new id,w=0;w<g;w++)for(var _=w*d-p,S=0;S<m;S++){var M=S*f-h;x[e]=M*r,x[t]=_*i,x[n]=v,O.push(x.x,x.y,x.z),x[e]=0,x[t]=0,x[n]=0<s?1:-1,N.push(x.x,x.y,x.z),D.push(S/l),D.push(1-w/u),y+=1}for(var E=0;E<u;E++)for(var T=0;T<l;T++){var k=I+T+m*E,L=I+T+m*(E+1),C=I+(T+1)+m*(E+1),R=I+(T+1)+m*E;A.push(k,L,R),A.push(L,C,R),b+=6}P.addGroup(z,b,c),z+=b,I+=y}return s("z","y","x",-1,-1,r,n,t,o,a,0),s("z","y","x",1,-1,r,n,-t,o,a,1),s("x","z","y",1,1,t,r,n,i,o,2),s("x","z","y",1,-1,t,r,-n,i,o,3),s("x","y","z",1,-1,t,n,r,i,a,4),s("x","y","z",-1,-1,t,n,-r,i,a,5),e.setIndex(A),e.setAttribute("position",new Oh(O,3)),e.setAttribute("normal",new Oh(N,3)),e.setAttribute("uv",new Oh(D,2)),e}return Ll(u,null,[{key:"fromJSON",value:function(e){return new u(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}]),u}();function lp(e){var t={};for(var n in e)for(var r in t[n]={},e[n]){var i=e[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?t[n][r]=i.clone():Array.isArray(i)?t[n][r]=i.slice():t[n][r]=i}return t}function up(e){for(var t={},n=0;n<e.length;n++){var r=lp(e[n]);for(var i in r)t[i]=r[i]}return t}var cp={clone:lp,merge:up},fp=function(){Rl(o,bh);var n=Ul(o);function o(e){var t;return Tl(this,o),(t=n.call(this)).type="ShaderMaterial",t.defines={},t.uniforms={},t.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",t.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",t.linewidth=1,t.wireframe=!1,t.wireframeLinewidth=1,t.fog=!1,t.lights=!1,t.clipping=!1,t.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},t.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},t.index0AttributeName=void 0,t.uniformsNeedUpdate=!1,t.glslVersion=null,void 0!==e&&(void 0!==e.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),t.setValues(e)),t}return Ll(o,[{key:"copy",value:function(e){return Bl(Pl(o.prototype),"copy",this).call(this,e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=lp(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}},{key:"toJSON",value:function(e){var t=Bl(Pl(o.prototype),"toJSON",this).call(this,e);for(var n in t.glslVersion=this.glslVersion,t.uniforms={},this.uniforms){var r=this.uniforms[n].value;r&&r.isTexture?t.uniforms[n]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[n]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[n]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[n]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[n]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[n]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[n]={type:"m4",value:r.toArray()}:t.uniforms[n]={value:r}}0<Object.keys(this.defines).length&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;var i={};for(var a in this.extensions)!0===this.extensions[a]&&(i[a]=!0);return 0<Object.keys(i).length&&(t.extensions=i),t}}]),o}();fp.prototype.isShaderMaterial=!0;var dp=function(){Rl(n,oh);var t=Ul(n);function n(){var e;return Tl(this,n),(e=t.call(this)).type="Camera",e.matrixWorldInverse=new Dd,e.projectionMatrix=new Dd,e.projectionMatrixInverse=new Dd,e}return Ll(n,[{key:"copy",value:function(e,t){return Bl(Pl(n.prototype),"copy",this).call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}},{key:"getWorldDirection",value:function(e){this.updateWorldMatrix(!0,!1);var t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}},{key:"updateMatrixWorld",value:function(e){Bl(Pl(n.prototype),"updateMatrixWorld",this).call(this,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}},{key:"updateWorldMatrix",value:function(e,t){Bl(Pl(n.prototype),"updateWorldMatrix",this).call(this,e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}},{key:"clone",value:function(){return(new this.constructor).copy(this)}}]),n}();dp.prototype.isCamera=!0;var hp=function(){Rl(o,dp);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:50,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:.1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:2e3;return Tl(this,o),(e=a.call(this)).type="PerspectiveCamera",e.fov=t,e.zoom=1,e.near=r,e.far=i,e.focus=10,e.aspect=n,e.view=null,e.filmGauge=35,e.filmOffset=0,e.updateProjectionMatrix(),e}return Ll(o,[{key:"copy",value:function(e,t){return Bl(Pl(o.prototype),"copy",this).call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}},{key:"setFocalLength",value:function(e){var t=.5*this.getFilmHeight()/e;this.fov=2*If*Math.atan(t),this.updateProjectionMatrix()}},{key:"getFocalLength",value:function(){var e=Math.tan(.5*Df*this.fov);return.5*this.getFilmHeight()/e}},{key:"getEffectiveFOV",value:function(){return 2*If*Math.atan(Math.tan(.5*Df*this.fov)/this.zoom)}},{key:"getFilmWidth",value:function(){return this.filmGauge*Math.min(this.aspect,1)}},{key:"getFilmHeight",value:function(){return this.filmGauge/Math.max(this.aspect,1)}},{key:"setViewOffset",value:function(e,t,n,r,i,a){this.aspect=e/t,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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}},{key:"clearViewOffset",value:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}},{key:"updateProjectionMatrix",value:function(){var e=this.near,t=e*Math.tan(.5*Df*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r,a=this.view;if(null!==this.view&&this.view.enabled){var o=a.fullWidth,s=a.fullHeight;i+=a.offsetX*r/o,t-=a.offsetY*n/s,r*=a.width/o,n*=a.height/s}var l=this.filmOffset;0!==l&&(i+=e*l/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}},{key:"toJSON",value:function(e){var t=Bl(Pl(o.prototype),"toJSON",this).call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}]),o}();hp.prototype.isPerspectiveCamera=!0;var pp=function(){Rl(f,oh);var c=Ul(f);function f(e,t,n){var r;if(Tl(this,f),(r=c.call(this)).type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter."),Fl(r);r.renderTarget=n;var i=new hp(90,1,e,t);i.layers=r.layers,i.up.set(0,-1,0),i.lookAt(new id(1,0,0)),r.add(i);var a=new hp(90,1,e,t);a.layers=r.layers,a.up.set(0,-1,0),a.lookAt(new id(-1,0,0)),r.add(a);var o=new hp(90,1,e,t);o.layers=r.layers,o.up.set(0,0,1),o.lookAt(new id(0,1,0)),r.add(o);var s=new hp(90,1,e,t);s.layers=r.layers,s.up.set(0,0,-1),s.lookAt(new id(0,-1,0)),r.add(s);var l=new hp(90,1,e,t);l.layers=r.layers,l.up.set(0,-1,0),l.lookAt(new id(0,0,1)),r.add(l);var u=new hp(90,1,e,t);return u.layers=r.layers,u.up.set(0,-1,0),u.lookAt(new id(0,0,-1)),r.add(u),r}return Ll(f,[{key:"update",value:function(e,t){null===this.parent&&this.updateMatrixWorld();var n=this.renderTarget,r=Hl(this.children,6),i=r[0],a=r[1],o=r[2],s=r[3],l=r[4],u=r[5],c=e.xr.enabled,f=e.getRenderTarget();e.xr.enabled=!1;var d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,a),e.setRenderTarget(n,2),e.render(t,o),e.setRenderTarget(n,3),e.render(t,s),e.setRenderTarget(n,4),e.render(t,l),n.texture.generateMipmaps=d,e.setRenderTarget(n,5),e.render(t,u),e.setRenderTarget(f),e.xr.enabled=c}}]),f}(),vp=function(){Rl(d,Qf);var f=Ul(d);function d(e,t,n,r,i,a,o,s,l,u){var c;return Tl(this,d),e=void 0!==e?e:[],t=void 0!==t?t:qu,(c=f.call(this,e,t,n,r,i,a,o,s,l,u)).flipY=!1,c}return Ll(d,[{key:"images",get:function(){return this.image},set:function(e){this.image=e}}]),d}();vp.prototype.isCubeTexture=!0;var mp=function(){Rl(a,td);var i=Ul(a);function a(e,t,n){var r;return Tl(this,a),Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),r=i.call(this,e,e,t),t=t||{},r.texture=new vp(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),r.texture.isRenderTargetTexture=!0,r.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,r.texture.minFilter=void 0!==t.minFilter?t.minFilter:ic,r.texture._needsFlipEnvMap=!1,r}return Ll(a,[{key:"fromEquirectangularTexture",value:function(e,t){this.texture.type=t.type,this.texture.format=wc,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;var n={tEquirect:{value:null}},r="\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",i="\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 sp(5,5,5),o=new fp({name:"CubemapFromEquirect",uniforms:lp(n),vertexShader:r,fragmentShader:i,side:au,blending:su});o.uniforms.tEquirect.value=t;var s=new ap(a,o),l=t.minFilter;return t.minFilter===oc&&(t.minFilter=ic),new pp(1,10,this).update(e,s),t.minFilter=l,s.geometry.dispose(),s.material.dispose(),this}},{key:"clear",value:function(e,t,n,r){for(var i=e.getRenderTarget(),a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,r);e.setRenderTarget(i)}}]),a}();mp.prototype.isWebGLCubeRenderTarget=!0;var gp=new id,yp=new id,bp=new Xf,xp=function(){function n(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id(1,0,0),t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0;Tl(this,n),this.normal=e,this.constant=t}return Ll(n,[{key:"set",value:function(e,t){return this.normal.copy(e),this.constant=t,this}},{key:"setComponents",value:function(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}},{key:"setFromNormalAndCoplanarPoint",value:function(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}},{key:"setFromCoplanarPoints",value:function(e,t,n){var r=gp.subVectors(n,t).cross(yp.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}},{key:"copy",value:function(e){return this.normal.copy(e.normal),this.constant=e.constant,this}},{key:"normalize",value:function(){var e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}},{key:"negate",value:function(){return this.constant*=-1,this.normal.negate(),this}},{key:"distanceToPoint",value:function(e){return this.normal.dot(e)+this.constant}},{key:"distanceToSphere",value:function(e){return this.distanceToPoint(e.center)-e.radius}},{key:"projectPoint",value:function(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}},{key:"intersectLine",value:function(e,t){var n=e.delta(gp),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;var i=-(e.start.dot(this.normal)+this.constant)/r;return i<0||1<i?null:t.copy(n).multiplyScalar(i).add(e.start)}},{key:"intersectsLine",value:function(e){var t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&0<n||n<0&&0<t}},{key:"intersectsBox",value:function(e){return e.intersectsPlane(this)}},{key:"intersectsSphere",value:function(e){return e.intersectsPlane(this)}},{key:"coplanarPoint",value:function(e){return e.copy(this.normal).multiplyScalar(-this.constant)}},{key:"applyMatrix4",value:function(e,t){var n=t||bp.getNormalMatrix(e),r=this.coplanarPoint(gp).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}},{key:"translate",value:function(e){return this.constant-=e.dot(this.normal),this}},{key:"equals",value:function(e){return e.normal.equals(this.normal)&&e.constant===this.constant}},{key:"clone",value:function(){return(new this.constructor).copy(this)}}]),n}();xp.prototype.isPlane=!0;var wp=new Td,_p=new id,Sp=function(){function o(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new xp,t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new xp,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new xp,r=3<arguments.length&&void 0!==arguments[3]?arguments[3]:new xp,i=4<arguments.length&&void 0!==arguments[4]?arguments[4]:new xp,a=5<arguments.length&&void 0!==arguments[5]?arguments[5]:new xp;Tl(this,o),this.planes=[e,t,n,r,i,a]}return Ll(o,[{key:"set",value:function(e,t,n,r,i,a){var o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this}},{key:"copy",value:function(e){for(var t=this.planes,n=0;n<6;n++)t[n].copy(e.planes[n]);return this}},{key:"setFromProjectionMatrix",value:function(e){var t=this.planes,n=e.elements,r=n[0],i=n[1],a=n[2],o=n[3],s=n[4],l=n[5],u=n[6],c=n[7],f=n[8],d=n[9],h=n[10],p=n[11],v=n[12],m=n[13],g=n[14],y=n[15];return t[0].setComponents(o-r,c-s,p-f,y-v).normalize(),t[1].setComponents(o+r,c+s,p+f,y+v).normalize(),t[2].setComponents(o+i,c+l,p+d,y+m).normalize(),t[3].setComponents(o-i,c-l,p-d,y-m).normalize(),t[4].setComponents(o-a,c-u,p-h,y-g).normalize(),t[5].setComponents(o+a,c+u,p+h,y+g).normalize(),this}},{key:"intersectsObject",value:function(e){var t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),wp.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(wp)}},{key:"intersectsSprite",value:function(e){return wp.center.set(0,0,0),wp.radius=.7071067811865476,wp.applyMatrix4(e.matrixWorld),this.intersectsSphere(wp)}},{key:"intersectsSphere",value:function(e){for(var t=this.planes,n=e.center,r=-e.radius,i=0;i<6;i++){if(t[i].distanceToPoint(n)<r)return!1}return!0}},{key:"intersectsBox",value:function(e){for(var t=this.planes,n=0;n<6;n++){var r=t[n];if(_p.x=0<r.normal.x?e.max.x:e.min.x,_p.y=0<r.normal.y?e.max.y:e.min.y,_p.z=0<r.normal.z?e.max.z:e.min.z,r.distanceToPoint(_p)<0)return!1}return!0}},{key:"containsPoint",value:function(e){for(var t=this.planes,n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}},{key:"clone",value:function(){return(new this.constructor).copy(this)}}]),o}();function Mp(){var n=null,e=!1,r=null,i=null;function a(e,t){r(e,t),i=n.requestAnimationFrame(a)}return{start:function(){!0!==e&&null!==r&&(i=n.requestAnimationFrame(a),e=!0)},stop:function(){n.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(e){r=e},setContext:function(e){n=e}}}function Ep(o,e){var s=e.isWebGL2,i=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),i.get(e)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);var t=i.get(e);t&&(o.deleteBuffer(t.buffer),i.delete(e))},update:function(e,t){if(e.isGLBufferAttribute){var n=i.get(e);(!n||n.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 r=i.get(e);void 0===r?i.set(e,function(e,t){var n=e.array,r=e.usage,i=o.createBuffer();o.bindBuffer(t,i),o.bufferData(t,n,r),e.onUploadCallback();var a=5126;return n instanceof Float32Array?a=5126:n instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):n instanceof Uint16Array?e.isFloat16BufferAttribute?s?a=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):a=5123:n instanceof Int16Array?a=5122:n instanceof Uint32Array?a=5125:n instanceof Int32Array?a=5124:n instanceof Int8Array?a=5120:n instanceof Uint8Array?a=5121:n instanceof Uint8ClampedArray&&(a=5121),{buffer:i,type:a,bytesPerElement:n.BYTES_PER_ELEMENT,version:e.version}}(e,t)):r.version<e.version&&(function(e,t,n){var r=t.array,i=t.updateRange;o.bindBuffer(n,e),-1===i.count?o.bufferSubData(n,0,r):(s?o.bufferSubData(n,i.offset*r.BYTES_PER_ELEMENT,r,i.offset,i.count):o.bufferSubData(n,i.offset*r.BYTES_PER_ELEMENT,r.subarray(i.offset,i.offset+i.count)),i.count=-1)}(r.buffer,e,t),r.version=e.version)}}}}var Tp=function(){Rl(L,Hh);var k=Ul(L);function L(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:1,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;Tl(this,L),(e=k.call(this)).type="PlaneGeometry",e.parameters={width:t,height:n,widthSegments:r,heightSegments:i};for(var a=t/2,o=n/2,s=Math.floor(r),l=Math.floor(i),u=s+1,c=l+1,f=t/s,d=n/l,h=[],p=[],v=[],m=[],g=0;g<c;g++)for(var y=g*d-o,b=0;b<u;b++){var x=b*f-a;p.push(x,-y,0),v.push(0,0,1),m.push(b/s),m.push(1-g/l)}for(var w=0;w<l;w++)for(var _=0;_<s;_++){var S=_+u*w,M=_+u*(w+1),E=_+1+u*(w+1),T=_+1+u*w;h.push(S,M,T),h.push(M,E,T)}return e.setIndex(h),e.setAttribute("position",new Oh(p,3)),e.setAttribute("normal",new Oh(v,3)),e.setAttribute("uv",new Oh(m,2)),e}return Ll(L,null,[{key:"fromJSON",value:function(e){return new L(e.width,e.height,e.widthSegments,e.heightSegments)}}]),L}(),kp={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 USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\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.roughness );\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:"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat V_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_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * 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}\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_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenTint, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenTint * ( D * V );\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, float faceDirection ) {\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 ) * faceDirection;\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:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\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 max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\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 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 USE_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}\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\tenvColor = envMapTexelToLinear( envColor );\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#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 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec;\n\t\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\t\treflectVec = reflect( - viewDir, normal );\n\t\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\t#else\n\t\t\t\treflectVec = refract( - viewDir, normal, refractionRatio );\n\t\t\t#endif\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\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\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\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 vFogDepth;\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\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tlightMapIrradiance *= PI;\n\t#endif\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\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.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\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\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = 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\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = 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\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = 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.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\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 vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\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 getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.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 getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.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 getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.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 vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\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\treflectedLight.directDiffuse += irradiance * BRDF_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_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;\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\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, 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_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.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularTintFactor = specularTint;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARTINTMAP\n\t\t\tspecularTintFactor *= specularTintMapTexelToLinear( texture2D( specularTintMap, vUv ) ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularTintFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularTintFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\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.sheenTint = sheenTint;\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenTint;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\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\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.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}\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.roughness;\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(    0, 1,    0 ),\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#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenTint, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\treflectedLight.directDiffuse += irradiance * BRDF_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_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 USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += 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 USE_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\tgetPointLightInfo( 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\tgetSpotLightInfo( 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\tgetDirectionalLightInfo( 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.normal );\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.normal );\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 += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\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\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform vec2 morphTargetsTextureSize;\n\t\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\n\t\t\tfloat texelIndex = float( vertexIndex * stride + offset );\n\t\t\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\n\t\t\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\n\t\t\treturn texture( morphTargetsTexture, morphUV ).xyz;\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\t#ifndef USE_MORPHNORMALS\n\t\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\n\t\t\t#else\n\t\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\n\t\t\t#endif\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#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 * faceDirection;\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 * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\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 * faceDirection;\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, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#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",normal_pars_vertex:"#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",normal_vertex:"#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",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, float faceDirection ) {\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\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_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, faceDirection );\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",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",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  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.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  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.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(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\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; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationTint, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationTint;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( float roughness, float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\n\t\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\n\t\tvec3 attenuationColor, float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\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 ) || defined ( USE_TRANSMISSION )\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_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}",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}",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}",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}",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}",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 <alphatest_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}",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}",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 <alphatest_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}",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}",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}",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}",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\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_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#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\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 <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_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 <alphatest_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\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\t#include <output_fragment>\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}",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 <alphatest_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_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_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\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#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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#include <normal_vertex>\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}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\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 <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_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\t#include <output_fragment>\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}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_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\t#include <normal_vertex>\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}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_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}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\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 <normal_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 <normal_vertex>\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}",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 <alphatest_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 <normal_pars_fragment>\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\t#include <output_fragment>\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#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\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 <normal_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 <normal_vertex>\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#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularTint;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARTINTMAP\n\t\tuniform sampler2D specularTintMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenTint;\n\tuniform float sheenRoughness;\n#endif\nvarying vec3 vViewPosition;\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 <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_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 <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_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#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 <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 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - clearcoat * Fcc ) + clearcoatSpecular * clearcoat;\n\t#endif\n\t#include <output_fragment>\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#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 <normal_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 <normal_vertex>\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}",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 <alphatest_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 <normal_pars_fragment>\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\t#include <output_fragment>\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}",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}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_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\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\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 <worldpos_vertex>\n\t#include <shadowmap_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 - getShadowMask() ) );\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 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_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_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}"},Lp={common:{diffuse:{value:new Th(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new Xf},uv2Transform:{value:new Xf},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new 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Th(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Th(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new Xf}},sprite:{diffuse:{value:new Th(16777215)},opacity:{value:1},center:{value:new jf(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new Xf}}},Cp={basic:{uniforms:up([Lp.common,Lp.specularmap,Lp.envmap,Lp.aomap,Lp.lightmap,Lp.fog]),vertexShader:kp.meshbasic_vert,fragmentShader:kp.meshbasic_frag},lambert:{uniforms:up([Lp.common,Lp.specularmap,Lp.envmap,Lp.aomap,Lp.lightmap,Lp.emissivemap,Lp.fog,Lp.lights,{emissive:{value:new Th(0)}}]),vertexShader:kp.meshlambert_vert,fragmentShader:kp.meshlambert_frag},phong:{uniforms:up([Lp.common,Lp.specularmap,Lp.envmap,Lp.aomap,Lp.lightmap,Lp.emissivemap,Lp.bumpmap,Lp.normalmap,Lp.displacementmap,Lp.fog,Lp.lights,{emissive:{value:new Th(0)},specular:{value:new Th(1118481)},shininess:{value:30}}]),vertexShader:kp.meshphong_vert,fragmentShader:kp.meshphong_frag},standard:{uniforms:up([Lp.common,Lp.envmap,Lp.aomap,Lp.lightmap,Lp.emissivemap,Lp.bumpmap,Lp.normalmap,Lp.displacementmap,Lp.roughnessmap,Lp.metalnessmap,Lp.fog,Lp.lights,{emissive:{value:new Th(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:kp.meshphysical_vert,fragmentShader:kp.meshphysical_frag},toon:{uniforms:up([Lp.common,Lp.aomap,Lp.lightmap,Lp.emissivemap,Lp.bumpmap,Lp.normalmap,Lp.displacementmap,Lp.gradientmap,Lp.fog,Lp.lights,{emissive:{value:new Th(0)}}]),vertexShader:kp.meshtoon_vert,fragmentShader:kp.meshtoon_frag},matcap:{uniforms:up([Lp.common,Lp.bumpmap,Lp.normalmap,Lp.displacementmap,Lp.fog,{matcap:{value:null}}]),vertexShader:kp.meshmatcap_vert,fragmentShader:kp.meshmatcap_frag},points:{uniforms:up([Lp.points,Lp.fog]),vertexShader:kp.points_vert,fragmentShader:kp.points_frag},dashed:{uniforms:up([Lp.common,Lp.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:kp.linedashed_vert,fragmentShader:kp.linedashed_frag},depth:{uniforms:up([Lp.common,Lp.displacementmap]),vertexShader:kp.depth_vert,fragmentShader:kp.depth_frag},normal:{uniforms:up([Lp.common,Lp.bumpmap,Lp.normalmap,Lp.displacementmap,{opacity:{value:1}}]),vertexShader:kp.meshnormal_vert,fragmentShader:kp.meshnormal_frag},sprite:{uniforms:up([Lp.sprite,Lp.fog]),vertexShader:kp.sprite_vert,fragmentShader:kp.sprite_frag},background:{uniforms:{uvTransform:{value:new Xf},t2D:{value:null}},vertexShader:kp.background_vert,fragmentShader:kp.background_frag},cube:{uniforms:up([Lp.envmap,{opacity:{value:1}}]),vertexShader:kp.cube_vert,fragmentShader:kp.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:kp.equirect_vert,fragmentShader:kp.equirect_frag},distanceRGBA:{uniforms:up([Lp.common,Lp.displacementmap,{referencePosition:{value:new id},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:kp.distanceRGBA_vert,fragmentShader:kp.distanceRGBA_frag},shadow:{uniforms:up([Lp.lights,Lp.fog,{color:{value:new Th(0)},opacity:{value:1}}]),vertexShader:kp.shadow_vert,fragmentShader:kp.shadow_frag}};function Rp(o,s,n,l,r){var u,c,f=new Th(0),d=0,h=null,p=0,v=null;function m(e,t){n.buffers.color.setClear(e.r,e.g,e.b,t,r)}return{getClearColor:function(){return f},setClearColor:function(e,t){var n=1<arguments.length&&void 0!==t?t:1;f.set(e),m(f,d=n)},getClearAlpha:function(){return d},setClearAlpha:function(e){m(f,d=e)},render:function(e,t){var n=!1,r=!0===t.isScene?t.background:null;r&&r.isTexture&&(r=s.get(r));var i=o.xr,a=i.getSession&&i.getSession();a&&"additive"===a.environmentBlendMode&&(r=null),null===r?m(f,d):r&&r.isColor&&(m(r,1),n=!0),(o.autoClear||n)&&o.clear(o.autoClearColor,o.autoClearDepth,o.autoClearStencil),r&&(r.isCubeTexture||r.mapping===Ju)?(void 0===c&&((c=new ap(new sp(1,1,1),new fp({name:"BackgroundCubeMaterial",uniforms:lp(Cp.cube.uniforms),vertexShader:Cp.cube.vertexShader,fragmentShader:Cp.cube.fragmentShader,side:au,depthTest:!1,depthWrite:!1,fog:!1}))).geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(e,t,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),l.update(c)),c.material.uniforms.envMap.value=r,c.material.uniforms.flipEnvMap.value=r.isCubeTexture&&!1===r.isRenderTargetTexture?-1:1,h===r&&p===r.version&&v===o.toneMapping||(c.material.needsUpdate=!0,p=(h=r).version,v=o.toneMapping),e.unshift(c,c.geometry,c.material,0,0,null)):r&&r.isTexture&&(void 0===u&&((u=new ap(new Tp(2,2),new fp({name:"BackgroundMaterial",uniforms:lp(Cp.background.uniforms),vertexShader:Cp.background.vertexShader,fragmentShader:Cp.background.fragmentShader,side:iu,depthTest:!1,depthWrite:!1,fog:!1}))).geometry.deleteAttribute("normal"),Object.defineProperty(u.material,"map",{get:function(){return this.uniforms.t2D.value}}),l.update(u)),!0===(u.material.uniforms.t2D.value=r).matrixAutoUpdate&&r.updateMatrix(),u.material.uniforms.uvTransform.value.copy(r.matrix),h===r&&p===r.version&&v===o.toneMapping||(u.material.needsUpdate=!0,p=(h=r).version,v=o.toneMapping),e.unshift(u,u.geometry,u.material,0,0,null))}}}function Pp(T,k,L,C){var a=T.getParameter(34921),l=C.isWebGL2?null:k.get("OES_vertex_array_object"),u=C.isWebGL2||null!==l,c={},e=h(null),f=e;function d(e){return C.isWebGL2?T.bindVertexArray(e):l.bindVertexArrayOES(e)}function o(e){return C.isWebGL2?T.deleteVertexArray(e):l.deleteVertexArrayOES(e)}function h(e){for(var t=[],n=[],r=[],i=0;i<a;i++)t[i]=0,n[i]=0,r[i]=0;return{geometry:null,program:null,wireframe:!1,newAttributes:t,enabledAttributes:n,attributeDivisors:r,object:e,attributes:{},index:null}}function R(){for(var e=f.newAttributes,t=0,n=e.length;t<n;t++)e[t]=0}function P(e){A(e,0)}function A(e,t){var n=f.newAttributes,r=f.enabledAttributes,i=f.attributeDivisors;n[e]=1,0===r[e]&&(T.enableVertexAttribArray(e),r[e]=1),i[e]!==t&&((C.isWebGL2?T:k.get("ANGLE_instanced_arrays"))[C.isWebGL2?"vertexAttribDivisor":"vertexAttribDivisorANGLE"](e,t),i[e]=t)}function O(){for(var e=f.newAttributes,t=f.enabledAttributes,n=0,r=t.length;n<r;n++)t[n]!==e[n]&&(T.disableVertexAttribArray(n),t[n]=0)}function N(e,t,n,r,i,a){!0!==C.isWebGL2||5124!==n&&5125!==n?T.vertexAttribPointer(e,t,n,r,i,a):T.vertexAttribIPointer(e,t,n,i,a)}function s(){t(),f!==e&&d((f=e).object)}function t(){e.geometry=null,e.program=null,e.wireframe=!1}return{setup:function(e,t,n,r,i){var a=!1;if(u){var o=function(e,t,n){var r=!0===n.wireframe,i=c[e.id];void 0===i&&(i={},c[e.id]=i);var a=i[t.id];void 0===a&&(a={},i[t.id]=a);var o=a[r];void 0===o&&(o=h(C.isWebGL2?T.createVertexArray():l.createVertexArrayOES()),a[r]=o);return o}(r,n,t);f!==o&&d((f=o).object),(a=function(e,t){var n=f.attributes,r=e.attributes,i=0;for(var a in r){var o=n[a],s=r[a];if(void 0===o)return!0;if(o.attribute!==s)return!0;if(o.data!==s.data)return!0;i++}return f.attributesNum!==i||f.index!==t}(r,i))&&function(e,t){var n={},r=e.attributes,i=0;for(var a in r){var o=r[a],s={};(s.attribute=o).data&&(s.data=o.data),n[a]=s,i++}f.attributes=n,f.attributesNum=i,f.index=t}(r,i)}else{var s=!0===t.wireframe;f.geometry===r.id&&f.program===n.id&&f.wireframe===s||(f.geometry=r.id,f.program=n.id,f.wireframe=s,a=!0)}!0===e.isInstancedMesh&&(a=!0),null!==i&&L.update(i,34963),a&&(function(e,t,n,r){if(!1===C.isWebGL2&&(e.isInstancedMesh||r.isInstancedBufferGeometry)&&null===k.get("ANGLE_instanced_arrays"))return;R();var i=r.attributes,a=n.getAttributes(),o=t.defaultAttributeValues;for(var s in a){var l=a[s];if(0<=l.location){var u=i[s];if(void 0===u&&("instanceMatrix"===s&&e.instanceMatrix&&(u=e.instanceMatrix),"instanceColor"===s&&e.instanceColor&&(u=e.instanceColor)),void 0!==u){var c=u.normalized,f=u.itemSize,d=L.get(u);if(void 0===d)continue;var h=d.buffer,p=d.type,v=d.bytesPerElement;if(u.isInterleavedBufferAttribute){var m=u.data,g=m.stride,y=u.offset;if(m&&m.isInstancedInterleavedBuffer){for(var b=0;b<l.locationSize;b++)A(l.location+b,m.meshPerAttribute);!0!==e.isInstancedMesh&&void 0===r._maxInstanceCount&&(r._maxInstanceCount=m.meshPerAttribute*m.count)}else for(var 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i(e){if("highp"===e){if(0<t.getShaderPrecisionFormat(35633,36338).precision&&0<t.getShaderPrecisionFormat(35632,36338).precision)return"highp";e="mediump"}return"mediump"===e&&0<t.getShaderPrecisionFormat(35633,36337).precision&&0<t.getShaderPrecisionFormat(35632,36337).precision?"mediump":"lowp"}var a="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext,o=void 0!==e.precision?e.precision:"highp",s=i(o);s!==o&&(console.warn("THREE.WebGLRenderer:",o,"not supported, using",s,"instead."),o=s);var l=a||n.has("WEBGL_draw_buffers"),u=!0===e.logarithmicDepthBuffer,c=t.getParameter(34930),f=t.getParameter(35660),d=t.getParameter(3379),h=t.getParameter(34076),p=t.getParameter(34921),v=t.getParameter(36347),m=t.getParameter(36348),g=t.getParameter(36349),y=0<f,b=a||n.has("OES_texture_float");return{isWebGL2:a,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==r)return 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c.numPlanes=i,c.numIntersection=0,a}this.uniform=y,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t,n){var r=0!==e.length||t||0!==h||p;return p=t,d=x(e,n,0),h=e.length,r},this.beginShadows=function(){v=!0,x(null)},this.endShadows=function(){v=!1,b()},this.setState=function(e,t,n){var r=e.clippingPlanes,i=e.clipIntersection,a=e.clipShadows,o=f.get(e);if(!p||null===r||0===r.length||v&&!a)v?x(null):b();else{var s=v?0:h,l=4*s,u=o.clippingState||null;y.value=u,u=x(r,t,l,n);for(var c=0;c!==l;++c)u[c]=d[c];o.clippingState=u,this.numIntersection=i?this.numPlanes:0,this.numPlanes+=s}}}function Dp(a){var o=new WeakMap;function s(e,t){return t===Yu?e.mapping=qu:t===Zu&&(e.mapping=Xu),e}function l(e){var t=e.target;t.removeEventListener("dispose",l);var n=o.get(t);void 0!==n&&(o.delete(t),n.dispose())}return{get:function(e){if(e&&e.isTexture&&!1===e.isRenderTargetTexture){var t=e.mapping;if(t===Yu||t===Zu){if(o.has(e))return s(o.get(e).texture,e.mapping);var n=e.image;if(n&&0<n.height){var r=a.getRenderTarget(),i=new mp(n.height/2);return i.fromEquirectangularTexture(a,e),o.set(e,i),a.setRenderTarget(r),e.addEventListener("dispose",l),s(i.texture,e.mapping)}return null}}return e},dispose:function(){o=new WeakMap}}}Cp.physical={uniforms:up([Cp.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new jf(1,1)},clearcoatNormalMap:{value:null},sheen:{value:0},sheenTint:{value:new Th(0)},sheenRoughness:{value:0},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new jf},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationTint:{value:new Th(0)},specularIntensity:{value:0},specularIntensityMap:{value:null},specularTint:{value:new Th(1,1,1)},specularTintMap:{value:null}}]),vertexShader:kp.meshphysical_vert,fragmentShader:kp.meshphysical_frag};var Ip=function(){Rl(l,dp);var s=Ul(l);function l(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:-1,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:-1,a=4<arguments.length&&void 0!==arguments[4]?arguments[4]:.1,o=5<arguments.length&&void 0!==arguments[5]?arguments[5]:2e3;return Tl(this,l),(e=s.call(this)).type="OrthographicCamera",e.zoom=1,e.view=null,e.left=t,e.right=n,e.top=r,e.bottom=i,e.near=a,e.far=o,e.updateProjectionMatrix(),e}return Ll(l,[{key:"copy",value:function(e,t){return Bl(Pl(l.prototype),"copy",this).call(this,e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}},{key:"setViewOffset",value:function(e,t,n,r,i,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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}},{key:"clearViewOffset",value:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}},{key:"updateProjectionMatrix",value:function(){var e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,r=(this.top+this.bottom)/2,i=n-e,a=n+e,o=r+t,s=r-t;if(null!==this.view&&this.view.enabled){var l=(this.right-this.left)/this.view.fullWidth/this.zoom,u=(this.top-this.bottom)/this.view.fullHeight/this.zoom;a=(i+=l*this.view.offsetX)+l*this.view.width,s=(o-=u*this.view.offsetY)-u*this.view.height}this.projectionMatrix.makeOrthographic(i,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}},{key:"toJSON",value:function(e){var t=Bl(Pl(l.prototype),"toJSON",this).call(this,e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}]),l}();Ip.prototype.isOrthographicCamera=!0;var zp=function(){Rl(r,fp);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this,e)).type="RawShaderMaterial",t}return r}();zp.prototype.isRawShaderMaterial=!0;var Fp=Math.pow(2,8),Up=[.125,.215,.35,.446,.526,.582],Bp=5+Up.length,Hp=(Cl(ql={},xf,0),Cl(ql,wf,1),Cl(ql,Sf,2),Cl(ql,Ef,3),Cl(ql,Tf,4),Cl(ql,kf,5),Cl(ql,_f,6),ql),Gp=new Ip,Vp=Kp(),Wp=Vp._lodPlanes,jp=Vp._sizeLods,qp=Vp._sigmas,Xp=new Th,Yp=null,Zp=(1+Math.sqrt(5))/2,Jp=1/Zp,$p=[new id(1,1,1),new id(-1,1,1),new id(1,1,-1),new id(-1,1,-1),new id(0,Zp,Jp),new id(0,Zp,-Jp),new id(Jp,0,Zp),new id(-Jp,0,Zp),new id(Zp,Jp,0),new id(-Zp,Jp,0)],Qp=function(){function t(e){Tl(this,t),this._renderer=e,this._pingPongRenderTarget=null,this._blurMaterial=function(e){var t=new Float32Array(e),n=new id(0,1,0);return new zp({name:"SphericalGaussianBlur",defines:{n:e},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:t},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:n},inputEncoding:{value:Hp[xf]},outputEncoding:{value:Hp[xf]}},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".concat("\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:su,depthTest:!1,depthWrite:!1})}(20),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}return Ll(t,[{key:"fromScene",value:function(e,t,n,r){var i=1<arguments.length&&void 0!==t?t:0,a=2<arguments.length&&void 0!==n?n:.1,o=3<arguments.length&&void 0!==r?r:100;Yp=this._renderer.getRenderTarget();var s=this._allocateTargets();return this._sceneToCubeUV(e,a,o,s),0<i&&this._blur(s,0,0,i),this._applyPMREM(s),this._cleanup(s),s}},{key:"fromEquirectangular",value:function(e){return this._fromTexture(e)}},{key:"fromCubemap",value:function(e){return this._fromTexture(e)}},{key:"compileCubemapShader",value:function(){null===this._cubemapShader&&(this._cubemapShader=rv(),this._compileMaterial(this._cubemapShader))}},{key:"compileEquirectangularShader",value:function(){null===this._equirectShader&&(this._equirectShader=nv(),this._compileMaterial(this._equirectShader))}},{key:"dispose",value:function(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(var e=0;e<Wp.length;e++)Wp[e].dispose()}},{key:"_cleanup",value:function(e){this._pingPongRenderTarget.dispose(),this._renderer.setRenderTarget(Yp),e.scissorTest=!1,tv(e,0,0,e.width,e.height)}},{key:"_fromTexture",value:function(e){Yp=this._renderer.getRenderTarget();var t=this._allocateTargets(e);return this._textureToCubeUV(e,t),this._applyPMREM(t),this._cleanup(t),t}},{key:"_allocateTargets",value:function(e){var t={magFilter:tc,minFilter:tc,generateMipmaps:!1,type:sc,format:Mc,encoding:function(e){return void 0!==e&&e.type===sc&&(e.encoding===xf||e.encoding===wf||e.encoding===_f)}(e)?e.encoding:Sf,depthBuffer:!1},n=ev(t);return n.depthBuffer=!e,this._pingPongRenderTarget=ev(t),n}},{key:"_compileMaterial",value:function(e){var t=new ap(Wp[0],e);this._renderer.compile(t,Gp)}},{key:"_sceneToCubeUV",value:function(e,t,n,r){var i=new hp(90,1,t,n),a=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],s=this._renderer,l=s.autoClear,u=s.outputEncoding,c=s.toneMapping;s.getClearColor(Xp),s.toneMapping=Bu,s.outputEncoding=xf,s.autoClear=!1;var f=new kh({name:"PMREM.Background",side:au,depthWrite:!1,depthTest:!1}),d=new ap(new sp,f),h=!1,p=e.background;p?p.isColor&&(f.color.copy(p),h=!(e.background=null)):(f.color.copy(Xp),h=!0);for(var v=0;v<6;v++){var m=v%3;0==m?(i.up.set(0,a[v],0),i.lookAt(o[v],0,0)):1==m?(i.up.set(0,0,a[v]),i.lookAt(0,o[v],0)):(i.up.set(0,a[v],0),i.lookAt(0,0,o[v])),tv(r,m*Fp,2<v?Fp:0,Fp,Fp),s.setRenderTarget(r),h&&s.render(d,i),s.render(e,i)}d.geometry.dispose(),d.material.dispose(),s.toneMapping=c,s.outputEncoding=u,s.autoClear=l,e.background=p}},{key:"_setEncoding",value:function(e,t){!0===this._renderer.capabilities.isWebGL2&&t.format===wc&&t.type===sc&&t.encoding===wf?e.value=Hp[xf]:e.value=Hp[t.encoding]}},{key:"_textureToCubeUV",value:function(e,t){var n=this._renderer;e.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=rv()):null==this._equirectShader&&(this._equirectShader=nv());var r=e.isCubeTexture?this._cubemapShader:this._equirectShader,i=new ap(Wp[0],r),a=r.uniforms;(a.envMap.value=e).isCubeTexture||a.texelSize.value.set(1/e.image.width,1/e.image.height),this._setEncoding(a.inputEncoding,e),this._setEncoding(a.outputEncoding,t.texture),tv(t,0,0,3*Fp,2*Fp),n.setRenderTarget(t),n.render(i,Gp)}},{key:"_applyPMREM",value:function(e){var t=this._renderer,n=t.autoClear;t.autoClear=!1;for(var r=1;r<Bp;r++){var i=Math.sqrt(qp[r]*qp[r]-qp[r-1]*qp[r-1]),a=$p[(r-1)%$p.length];this._blur(e,r-1,r,i,a)}t.autoClear=n}},{key:"_blur",value:function(e,t,n,r,i){var a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,r,"latitudinal",i),this._halfBlur(a,e,n,n,r,"longitudinal",i)}},{key:"_halfBlur",value:function(e,t,n,r,i,a,o){var s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");var u=new ap(Wp[r],l),c=l.uniforms,f=jp[n]-1,d=isFinite(i)?Math.PI/(2*f):2*Math.PI/39,h=i/d,p=isFinite(i)?1+Math.floor(3*h):20;20<p&&console.warn("sigmaRadians, ".concat(i,", is too large and will clip, as it requested ").concat(p," samples when the maximum is set to ").concat(20));for(var v=[],m=0,g=0;g<20;++g){var y=g/h,b=Math.exp(-y*y/2);v.push(b),0==g?m+=b:g<p&&(m+=2*b)}for(var x=0;x<v.length;x++)v[x]=v[x]/m;c.envMap.value=e.texture,c.samples.value=p,c.weights.value=v,c.latitudinal.value="latitudinal"===a,o&&(c.poleAxis.value=o),c.dTheta.value=d,c.mipInt.value=8-n,this._setEncoding(c.inputEncoding,e.texture),this._setEncoding(c.outputEncoding,e.texture);var w=jp[r];tv(t,3*Math.max(0,Fp-2*w),(0===r?0:2*Fp)+2*w*(4<r?r-8+4:0),3*w,2*w),s.setRenderTarget(t),s.render(u,Gp)}}]),t}();function Kp(){for(var e=[],t=[],n=[],r=8,i=0;i<Bp;i++){var a=Math.pow(2,r);t.push(a);var o=1/a;4<i?o=Up[i-8+4-1]:0==i&&(o=0),n.push(o);for(var s=1/(a-1),l=-s/2,u=1+s/2,c=[l,l,u,l,u,u,l,l,u,u,l,u],f=new Float32Array(108),d=new Float32Array(72),h=new Float32Array(36),p=0;p<6;p++){var v=p%3*2/3-1,m=2<p?0:-1,g=[v,m,0,v+2/3,m,0,v+2/3,1+m,0,v,m,0,v+2/3,1+m,0,v,1+m,0];f.set(g,18*p),d.set(c,12*p);var y=[p,p,p,p,p,p];h.set(y,6*p)}var b=new Hh;b.setAttribute("position",new Rh(f,3)),b.setAttribute("uv",new Rh(d,2)),b.setAttribute("faceIndex",new Rh(h,1)),e.push(b),4<r&&r--}return{_lodPlanes:e,_sizeLods:t,_sigmas:n}}function ev(e){var t=new td(3*Fp,3*Fp,e);return t.texture.mapping=Ju,t.texture.name="PMREM.cubeUv",t.scissorTest=!0,t}function tv(e,t,n,r,i){e.viewport.set(t,n,r,i),e.scissor.set(t,n,r,i)}function nv(){var e=new jf(1,1);return new zp({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:e},inputEncoding:{value:Hp[xf]},outputEncoding:{value:Hp[xf]}},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".concat("\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:su,depthTest:!1,depthWrite:!1})}function rv(){return new zp({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Hp[xf]},outputEncoding:{value:Hp[xf]}},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".concat("\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:su,depthTest:!1,depthWrite:!1})}function iv(s){var l=new WeakMap,u=null;function c(e){var t=e.target;t.removeEventListener("dispose",c);var n=l.get(t);void 0!==n&&(l.delete(t),n.dispose())}return{get:function(e){if(e&&e.isTexture&&!1===e.isRenderTargetTexture){var t=e.mapping,n=t===Yu||t===Zu,r=t===qu||t===Xu;if(n||r){if(l.has(e))return l.get(e).texture;var i=e.image;if(n&&i&&0<i.height||r&&i&&function(e){for(var t=0,n=0;n<6;n++)void 0!==e[n]&&t++;return 6===t}(i)){var a=s.getRenderTarget();null===u&&(u=new Qp(s));var o=n?u.fromEquirectangular(e):u.fromCubemap(e);return l.set(e,o),s.setRenderTarget(a),e.addEventListener("dispose",c),o.texture}return null}}return e},dispose:function(){l=new WeakMap,null!==u&&(u.dispose(),u=null)}}}function av(n){var r={};function i(e){if(void 0!==r[e])return r[e];var t;switch(e){case"WEBGL_depth_texture":t=n.getExtension("WEBGL_depth_texture")||n.getExtension("MOZ_WEBGL_depth_texture")||n.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":t=n.getExtension("EXT_texture_filter_anisotropic")||n.getExtension("MOZ_EXT_texture_filter_anisotropic")||n.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":t=n.getExtension("WEBGL_compressed_texture_s3tc")||n.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||n.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":t=n.getExtension("WEBGL_compressed_texture_pvrtc")||n.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:t=n.getExtension(e)}return r[e]=t}return{has:function(e){return null!==i(e)},init:function(e){e.isWebGL2?i("EXT_color_buffer_float"):(i("WEBGL_depth_texture"),i("OES_texture_float"),i("OES_texture_half_float"),i("OES_texture_half_float_linear"),i("OES_standard_derivatives"),i("OES_element_index_uint"),i("OES_vertex_array_object"),i("ANGLE_instanced_arrays")),i("OES_texture_float_linear"),i("EXT_color_buffer_half_float")},get:function(e){var t=i(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function ov(e,b,i,a){var o={},x=new WeakMap;function s(e){var t=e.target;for(var n in null!==t.index&&b.remove(t.index),t.attributes)b.remove(t.attributes[n]);t.removeEventListener("dispose",s),delete o[t.id];var r=x.get(t);r&&(b.remove(r),x.delete(t)),a.releaseStatesOfGeometry(t),!0===t.isInstancedBufferGeometry&&delete t._maxInstanceCount,i.memory.geometries--}function r(e){var t=[],n=e.index,r=e.attributes.position,i=0;if(null!==n){var a=n.array;i=n.version;for(var o=0,s=a.length;o<s;o+=3){var l=a[o+0],u=a[o+1],c=a[o+2];t.push(l,u,u,c,c,l)}}else{var f=r.array;i=r.version;for(var d=0,h=f.length/3-1;d<h;d+=3){var p=d+0,v=d+1,m=d+2;t.push(p,v,v,m,m,p)}}var g=new(65535<Yf(t)?Ah:Ph)(t,1);g.version=i;var y=x.get(e);y&&b.remove(y),x.set(e,g)}return{get:function(e,t){return!0===o[t.id]||(t.addEventListener("dispose",s),o[t.id]=!0,i.memory.geometries++),t},update:function(e){var t=e.attributes;for(var n in t)b.update(t[n],34962);var r=e.morphAttributes;for(var i in r)for(var a=r[i],o=0,s=a.length;o<s;o++)b.update(a[o],34962)},getWireframeAttribute:function(e){var t=x.get(e);if(t){var n=e.index;null!==n&&t.version<n.version&&r(e)}else r(e);return x.get(e)}}}function sv(a,o,s,e){var l,u,c,f=e.isWebGL2;this.setMode=function(e){l=e},this.setIndex=function(e){u=e.type,c=e.bytesPerElement},this.render=function(e,t){a.drawElements(l,t,u,e*c),s.update(t,l,1)},this.renderInstances=function(e,t,n){if(0!==n){var r,i;if(f)r=a,i="drawElementsInstanced";else if(i="drawElementsInstancedANGLE",null===(r=o.get("ANGLE_instanced_arrays")))return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");r[i](l,t,u,e*c,n),s.update(t,l,n)}}}function lv(e){var r={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:r,programs:null,autoReset:!0,reset:function(){r.frame++,r.calls=0,r.triangles=0,r.points=0,r.lines=0},update:function(e,t,n){switch(r.calls++,t){case 4:r.triangles+=n*(e/3);break;case 1:r.lines+=n*(e/2);break;case 3:r.lines+=n*(e-1);break;case 2:r.lines+=n*e;break;case 0:r.points+=n*e;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",t)}}}}var uv=function(){Rl(o,Qf);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;return Tl(this,o),(e=a.call(this,null)).image={data:t,width:n,height:r,depth:i},e.magFilter=tc,e.minFilter=tc,e.wrapR=Ku,e.generateMipmaps=!1,e.flipY=!1,e.unpackAlignment=1,e.needsUpdate=!0,e}return o}();function cv(e,t){return e[0]-t[0]}function fv(e,t){return Math.abs(t[1])-Math.abs(e[1])}function dv(e,t){var n=1,r=t.isInterleavedBufferAttribute?t.data.array:t.array;r instanceof Int8Array?n=127:r instanceof Int16Array?n=32767:r instanceof Int32Array?n=2147483647:console.error("THREE.WebGLMorphtargets: Unsupported morph attribute data type: ",r),e.divideScalar(n)}function hv(U,B,H){for(var G={},V=new Float32Array(8),W=new WeakMap,j=new id,q=[],e=0;e<8;e++)q[e]=[e,0];return{update:function(e,t,n,r){var i=e.morphTargetInfluences;if(!0===B.isWebGL2){var a=t.morphAttributes.position.length,o=W.get(t);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();var s=void 0!==t.morphAttributes.normal,l=t.morphAttributes.position,u=t.morphAttributes.normal||[],c=!0==s?2:1,f=t.attributes.position.count*c,d=1;f>B.maxTextureSize&&(d=Math.ceil(f/B.maxTextureSize),f=B.maxTextureSize);var h=new Float32Array(f*d*4*a),p=new uv(h,f,d,a);p.format=wc,p.type=hc;for(var v=4*c,m=0;m<a;m++)for(var g=l[m],y=u[m],b=f*d*4*m,x=0;x<g.count;x++){j.fromBufferAttribute(g,x),!0===g.normalized&&dv(j,g);var w=x*v;h[b+w+0]=j.x,h[b+w+1]=j.y,h[b+w+2]=j.z,!(h[b+w+3]=0)==s&&(j.fromBufferAttribute(y,x),!0===y.normalized&&dv(j,y),h[b+w+4]=j.x,h[b+w+5]=j.y,h[b+w+6]=j.z,h[b+w+7]=0)}o={count:a,texture:p,size:new jf(f,d)},W.set(t,o)}for(var _=0,S=0;S<i.length;S++)_+=i[S];var M=t.morphTargetsRelative?1:1-_;r.getUniforms().setValue(U,"morphTargetBaseInfluence",M),r.getUniforms().setValue(U,"morphTargetInfluences",i),r.getUniforms().setValue(U,"morphTargetsTexture",o.texture,H),r.getUniforms().setValue(U,"morphTargetsTextureSize",o.size)}else{var E=void 0===i?0:i.length,T=G[t.id];if(void 0===T||T.length!==E){T=[];for(var k=0;k<E;k++)T[k]=[k,0];G[t.id]=T}for(var L=0;L<E;L++){var C=T[L];C[0]=L,C[1]=i[L]}T.sort(fv);for(var R=0;R<8;R++)R<E&&T[R][1]?(q[R][0]=T[R][0],q[R][1]=T[R][1]):(q[R][0]=Number.MAX_SAFE_INTEGER,q[R][1]=0);q.sort(cv);for(var P=t.morphAttributes.position,A=t.morphAttributes.normal,O=0,N=0;N<8;N++){var D=q[N],I=D[0],z=D[1];I!==Number.MAX_SAFE_INTEGER&&z?(P&&t.getAttribute("morphTarget"+N)!==P[I]&&t.setAttribute("morphTarget"+N,P[I]),A&&t.getAttribute("morphNormal"+N)!==A[I]&&t.setAttribute("morphNormal"+N,A[I]),O+=V[N]=z):(P&&!0===t.hasAttribute("morphTarget"+N)&&t.deleteAttribute("morphTarget"+N),A&&!0===t.hasAttribute("morphNormal"+N)&&t.deleteAttribute("morphNormal"+N),V[N]=0)}var F=t.morphTargetsRelative?1:1-O;r.getUniforms().setValue(U,"morphTargetBaseInfluence",F),r.getUniforms().setValue(U,"morphTargetInfluences",V)}}}}function pv(e,i,a,o){var s=new WeakMap;function l(e){var t=e.target;t.removeEventListener("dispose",l),a.remove(t.instanceMatrix),null!==t.instanceColor&&a.remove(t.instanceColor)}return{update:function(e){var t=o.render.frame,n=e.geometry,r=i.get(e,n);return s.get(r)!==t&&(i.update(r),s.set(r,t)),e.isInstancedMesh&&(!1===e.hasEventListener("dispose",l)&&e.addEventListener("dispose",l),a.update(e.instanceMatrix,34962),null!==e.instanceColor&&a.update(e.instanceColor,34962)),r},dispose:function(){s=new WeakMap}}}uv.prototype.isDataTexture2DArray=!0;var vv=function(){Rl(o,Qf);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1;return Tl(this,o),(e=a.call(this,null)).image={data:t,width:n,height:r,depth:i},e.magFilter=tc,e.minFilter=tc,e.wrapR=Ku,e.generateMipmaps=!1,e.flipY=!1,e.unpackAlignment=1,e.needsUpdate=!0,e}return 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s=[],_=x.isWebGL2,S=x.logarithmicDepthBuffer,M=x.floatVertexTextures,E=x.maxVertexUniforms,T=x.vertexTextures,k=x.precision,L={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},i=["precision","isWebGL2","supportsVertexTextures","outputEncoding","instancing","instancingColor","map","mapEncoding","matcap","matcapEncoding","envMap","envMapMode","envMapEncoding","envMapCubeUV","lightMap","lightMapEncoding","aoMap","emissiveMap","emissiveMapEncoding","bumpMap","normalMap","objectSpaceNormalMap","tangentSpaceNormalMap","clearcoat","clearcoatMap","clearcoatRoughnessMap","clearcoatNormalMap","displacementMap","specularMap","specularIntensityMap","specularTintMap","specularTintMapEncoding","roughnessMap","metalnessMap","gradientMap","alphaMap","alphaTest","combine","vertexColors","vertexAlphas","vertexTangents","vertexUvs","uvsVertexOnly","fog","useFog","fogExp2","flatShading","sizeAttenuation","logarithmicDepthBuffer","skinning","maxBones","useVertexTexture","morphTargets","morphNormals","morphTargetsCount","premultipliedAlpha","numDirLights","numPointLights","numSpotLights","numHemiLights","numRectAreaLights","numDirLightShadows","numPointLightShadows","numSpotLightShadows","shadowMapEnabled","shadowMapType","toneMapping","physicallyCorrectLights","doubleSided","flipSided","numClippingPlanes","numClipIntersection","depthPacking","dithering","format","sheen","transmission","transmissionMap","thicknessMap"];function C(e){var t;return t=e&&e.isTexture?e.encoding:e&&e.isWebGLRenderTarget?(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. 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This GPU supports "+i+"."),0):i}(i):0;if(null!==e.precision&&(k=x.getMaxPrecision(e.precision))!==e.precision&&console.warn("THREE.WebGLProgram.getParameters:",e.precision,"not supported, using",k,"instead."),c){var d=Cp[c];a=d.vertexShader,o=d.fragmentShader}else a=e.vertexShader,o=e.fragmentShader;var h=m.getRenderTarget(),p=0<e.alphaTest,v=0<e.clearcoat;return{isWebGL2:_,shaderID:c,shaderName:e.type,vertexShader:a,fragmentShader:o,defines:e.defines,isRawShaderMaterial:!0===e.isRawShaderMaterial,glslVersion:e.glslVersion,precision:k,instancing:!0===i.isInstancedMesh,instancingColor:!0===i.isInstancedMesh&&null!==i.instanceColor,supportsVertexTextures:T,outputEncoding:null!==h?C(h.texture):m.outputEncoding,map:!!e.map,mapEncoding:C(e.map),matcap:!!e.matcap,matcapEncoding:C(e.matcap),envMap:!!u,envMapMode:u&&u.mapping,envMapEncoding:C(u),envMapCubeUV:!!u&&(u.mapping===Ju||u.mapping===$u),lightMap:!!e.lightMap,lightMapEncoding:C(e.lightMap),aoMap:!!e.aoMap,emissiveMap:!!e.emissiveMap,emissiveMapEncoding:C(e.emissiveMap),bumpMap:!!e.bumpMap,normalMap:!!e.normalMap,objectSpaceNormalMap:e.normalMapType===Rf,tangentSpaceNormalMap:e.normalMapType===Cf,clearcoat:v,clearcoatMap:v&&!!e.clearcoatMap,clearcoatRoughnessMap:v&&!!e.clearcoatRoughnessMap,clearcoatNormalMap:v&&!!e.clearcoatNormalMap,displacementMap:!!e.displacementMap,roughnessMap:!!e.roughnessMap,metalnessMap:!!e.metalnessMap,specularMap:!!e.specularMap,specularIntensityMap:!!e.specularIntensityMap,specularTintMap:!!e.specularTintMap,specularTintMapEncoding:C(e.specularTintMap),alphaMap:!!e.alphaMap,alphaTest:p,gradientMap:!!e.gradientMap,sheen:0<e.sheen,transmission:0<e.transmission,transmissionMap:!!e.transmissionMap,thicknessMap:!!e.thicknessMap,combine:e.combine,vertexTangents:!!e.normalMap&&!!i.geometry&&!!i.geometry.attributes.tangent,vertexColors:e.vertexColors,vertexAlphas:!0===e.vertexColors&&!!i.geometry&&!!i.geometry.attributes.color&&4===i.geometry.attributes.color.itemSize,vertexUvs:!!(e.map||e.bumpMap||e.normalMap||e.specularMap||e.alphaMap||e.emissiveMap||e.roughnessMap||e.metalnessMap||e.clearcoatMap||e.clearcoatRoughnessMap||e.clearcoatNormalMap||e.displacementMap||e.transmissionMap||e.thicknessMap||e.specularIntensityMap||e.specularTintMap),uvsVertexOnly:!(e.map||e.bumpMap||e.normalMap||e.specularMap||e.alphaMap||e.emissiveMap||e.roughnessMap||e.metalnessMap||e.clearcoatNormalMap||0<e.transmission||e.transmissionMap||e.thicknessMap||e.specularIntensityMap||e.specularTintMap||!e.displacementMap),fog:!!s,useFog:e.fog,fogExp2:s&&s.isFogExp2,flatShading:!!e.flatShading,sizeAttenuation:e.sizeAttenuation,logarithmicDepthBuffer:S,skinning:!0===i.isSkinnedMesh&&0<f,maxBones:f,useVertexTexture:M,morphTargets:!!i.geometry&&!!i.geometry.morphAttributes.position,morphNormals:!!i.geometry&&!!i.geometry.morphAttributes.normal,morphTargetsCount:i.geometry&&i.geometry.morphAttributes.position?i.geometry.morphAttributes.position.length:0,numDirLights:t.directional.length,numPointLights:t.point.length,numSpotLights:t.spot.length,numRectAreaLights:t.rectArea.length,numHemiLights:t.hemi.length,numDirLightShadows:t.directionalShadowMap.length,numPointLightShadows:t.pointShadowMap.length,numSpotLightShadows:t.spotShadowMap.length,numClippingPlanes:w.numPlanes,numClipIntersection:w.numIntersection,format:e.format,dithering:e.dithering,shadowMapEnabled:m.shadowMap.enabled&&0<n.length,shadowMapType:m.shadowMap.type,toneMapping:e.toneMapped?m.toneMapping:Bu,physicallyCorrectLights:m.physicallyCorrectLights,premultipliedAlpha:e.premultipliedAlpha,doubleSided:e.side===ou,flipSided:e.side===au,depthPacking:void 0!==e.depthPacking&&e.depthPacking,index0AttributeName:e.index0AttributeName,extensionDerivatives:e.extensions&&e.extensions.derivatives,extensionFragDepth:e.extensions&&e.extensions.fragDepth,extensionDrawBuffers:e.extensions&&e.extensions.drawBuffers,extensionShaderTextureLOD:e.extensions&&e.extensions.shaderTextureLOD,rendererExtensionFragDepth:_||b.has("EXT_frag_depth"),rendererExtensionDrawBuffers:_||b.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:_||b.has("EXT_shader_texture_lod"),customProgramCacheKey:e.customProgramCacheKey()}},getProgramCacheKey:function(e){var t=[];if(e.shaderID?t.push(e.shaderID):(t.push(e.fragmentShader),t.push(e.vertexShader)),void 0!==e.defines)for(var n in e.defines)t.push(n),t.push(e.defines[n]);if(!1===e.isRawShaderMaterial){for(var r=0;r<i.length;r++)t.push(e[i[r]]);t.push(m.outputEncoding),t.push(m.gammaFactor)}return t.push(e.customProgramCacheKey),t.join()},getUniforms:function(e){var t,n=L[e.type];if(n){var r=Cp[n];t=cp.clone(r.uniforms)}else t=e.uniforms;return t},acquireProgram:function(e,t){for(var n,r=0,i=s.length;r<i;r++){var a=s[r];if(a.cacheKey===t){++(n=a).usedTimes;break}}return void 0===n&&(n=new Dm(m,t,e,o),s.push(n)),n},releaseProgram:function(e){if(0==--e.usedTimes){var t=s.indexOf(e);s[t]=s[s.length-1],s.pop(),e.destroy()}},programs:s}}function zm(){var r=new WeakMap;return{get:function(e){var t=r.get(e);return void 0===t&&(t={},r.set(e,t)),t},remove:function(e){r.delete(e)},update:function(e,t,n){r.get(e)[t]=n},dispose:function(){r=new WeakMap}}}function Fm(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.program!==t.program?e.program.id-t.program.id:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function Um(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Bm(l){var u=[],c=0,s=[],f=[],d=[],h={id:-1};function p(e,t,n,r,i,a){var o=u[c],s=l.get(n);return void 0===o?(o={id:e.id,object:e,geometry:t,material:n,program:s.program||h,groupOrder:r,renderOrder:e.renderOrder,z:i,group:a},u[c]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=n,o.program=s.program||h,o.groupOrder=r,o.renderOrder=e.renderOrder,o.z=i,o.group=a),c++,o}return{opaque:s,transmissive:f,transparent:d,init:function(){c=0,s.length=0,f.length=0,d.length=0},push:function(e,t,n,r,i,a){var o=p(e,t,n,r,i,a);0<n.transmission?f.push(o):!0===n.transparent?d.push(o):s.push(o)},unshift:function(e,t,n,r,i,a){var o=p(e,t,n,r,i,a);0<n.transmission?f.unshift(o):!0===n.transparent?d.unshift(o):s.unshift(o)},finish:function(){for(var e=c,t=u.length;e<t;e++){var n=u[e];if(null===n.id)break;n.id=null,n.object=null,n.geometry=null,n.material=null,n.program=null,n.group=null}},sort:function(e,t){1<s.length&&s.sort(e||Fm),1<f.length&&f.sort(t||Um),1<d.length&&d.sort(t||Um)}}}function Hm(r){var i=new WeakMap;return{get:function(e,t){var n;return!1===i.has(e)?(n=new Bm(r),i.set(e,[n])):t>=i.get(e).length?(n=new Bm(r),i.get(e).push(n)):n=i.get(e)[t],n},dispose:function(){i=new WeakMap}}}function Gm(){var n={};return{get:function(e){if(void 0!==n[e.id])return n[e.id];var t;switch(e.type){case"DirectionalLight":t={direction:new id,color:new Th};break;case"SpotLight":t={position:new id,direction:new id,color:new Th,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":t={position:new id,color:new Th,distance:0,decay:0};break;case"HemisphereLight":t={direction:new id,skyColor:new Th,groundColor:new Th};break;case"RectAreaLight":t={color:new Th,position:new id,halfWidth:new id,halfHeight:new id}}return n[e.id]=t}}}var Vm=0;function Wm(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function jm(D,I){for(var z=new Gm,F=function(){var n={};return{get:function(e){if(void 0!==n[e.id])return n[e.id];var t;switch(e.type){case"DirectionalLight":case"SpotLight":t={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new jf};break;case"PointLight":t={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new jf,shadowCameraNear:1,shadowCameraFar:1e3}}return n[e.id]=t}}}(),U={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:[]},e=0;e<9;e++)U.probe.push(new id);var m=new id,g=new Dd,y=new Dd;return{setup:function(e,t){for(var n=0,r=0,i=0,a=0;a<9;a++)U.probe[a].set(0,0,0);var o=0,s=0,l=0,u=0,c=0,f=0,d=0,h=0;e.sort(Wm);for(var p=!0!==t?Math.PI:1,v=0,m=e.length;v<m;v++){var g=e[v],y=g.color,b=g.intensity,x=g.distance,w=g.shadow&&g.shadow.map?g.shadow.map.texture:null;if(g.isAmbientLight)n+=y.r*b*p,r+=y.g*b*p,i+=y.b*b*p;else if(g.isLightProbe)for(var _=0;_<9;_++)U.probe[_].addScaledVector(g.sh.coefficients[_],b);else if(g.isDirectionalLight){var S=z.get(g);if(S.color.copy(g.color).multiplyScalar(g.intensity*p),g.castShadow){var M=g.shadow,E=F.get(g);E.shadowBias=M.bias,E.shadowNormalBias=M.normalBias,E.shadowRadius=M.radius,E.shadowMapSize=M.mapSize,U.directionalShadow[o]=E,U.directionalShadowMap[o]=w,U.directionalShadowMatrix[o]=g.shadow.matrix,f++}U.directional[o]=S,o++}else if(g.isSpotLight){var T=z.get(g);if(T.position.setFromMatrixPosition(g.matrixWorld),T.color.copy(y).multiplyScalar(b*p),T.distance=x,T.coneCos=Math.cos(g.angle),T.penumbraCos=Math.cos(g.angle*(1-g.penumbra)),T.decay=g.decay,g.castShadow){var k=g.shadow,L=F.get(g);L.shadowBias=k.bias,L.shadowNormalBias=k.normalBias,L.shadowRadius=k.radius,L.shadowMapSize=k.mapSize,U.spotShadow[l]=L,U.spotShadowMap[l]=w,U.spotShadowMatrix[l]=g.shadow.matrix,h++}U.spot[l]=T,l++}else if(g.isRectAreaLight){var C=z.get(g);C.color.copy(y).multiplyScalar(b),C.halfWidth.set(.5*g.width,0,0),C.halfHeight.set(0,.5*g.height,0),U.rectArea[u]=C,u++}else if(g.isPointLight){var R=z.get(g);if(R.color.copy(g.color).multiplyScalar(g.intensity*p),R.distance=g.distance,R.decay=g.decay,g.castShadow){var P=g.shadow,A=F.get(g);A.shadowBias=P.bias,A.shadowNormalBias=P.normalBias,A.shadowRadius=P.radius,A.shadowMapSize=P.mapSize,A.shadowCameraNear=P.camera.near,A.shadowCameraFar=P.camera.far,U.pointShadow[s]=A,U.pointShadowMap[s]=w,U.pointShadowMatrix[s]=g.shadow.matrix,d++}U.point[s]=R,s++}else if(g.isHemisphereLight){var O=z.get(g);O.skyColor.copy(g.color).multiplyScalar(b*p),O.groundColor.copy(g.groundColor).multiplyScalar(b*p),U.hemi[c]=O,c++}}0<u&&(I.isWebGL2?(U.rectAreaLTC1=Lp.LTC_FLOAT_1,U.rectAreaLTC2=Lp.LTC_FLOAT_2):!0===D.has("OES_texture_float_linear")?(U.rectAreaLTC1=Lp.LTC_FLOAT_1,U.rectAreaLTC2=Lp.LTC_FLOAT_2):!0===D.has("OES_texture_half_float_linear")?(U.rectAreaLTC1=Lp.LTC_HALF_1,U.rectAreaLTC2=Lp.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. 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f=U.directional[n];f.direction.setFromMatrixPosition(c.matrixWorld),m.setFromMatrixPosition(c.target.matrixWorld),f.direction.sub(m),f.direction.transformDirection(s),n++}else if(c.isSpotLight){var d=U.spot[i];d.position.setFromMatrixPosition(c.matrixWorld),d.position.applyMatrix4(s),d.direction.setFromMatrixPosition(c.matrixWorld),m.setFromMatrixPosition(c.target.matrixWorld),d.direction.sub(m),d.direction.transformDirection(s),i++}else if(c.isRectAreaLight){var h=U.rectArea[a];h.position.setFromMatrixPosition(c.matrixWorld),h.position.applyMatrix4(s),y.identity(),g.copy(c.matrixWorld),g.premultiply(s),y.extractRotation(g),h.halfWidth.set(.5*c.width,0,0),h.halfHeight.set(0,.5*c.height,0),h.halfWidth.applyMatrix4(y),h.halfHeight.applyMatrix4(y),a++}else if(c.isPointLight){var p=U.point[r];p.position.setFromMatrixPosition(c.matrixWorld),p.position.applyMatrix4(s),r++}else if(c.isHemisphereLight){var v=U.hemi[o];v.direction.setFromMatrixPosition(c.matrixWorld),v.direction.transformDirection(s),v.direction.normalize(),o++}}},state:U}}function qm(e,t){var n=new jm(e,t),r=[],i=[];return{init:function(){r.length=0,i.length=0},state:{lightsArray:r,shadowsArray:i,lights:n},setupLights:function(e){n.setup(r,e)},setupLightsView:function(e){n.setupView(r,e)},pushLight:function(e){r.push(e)},pushShadow:function(e){i.push(e)}}}function Xm(r,i){var a=new WeakMap;return{get:function(e){var t,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0;return!1===a.has(e)?(t=new qm(r,i),a.set(e,[t])):n>=a.get(e).length?(t=new qm(r,i),a.get(e).push(t)):t=a.get(e)[n],t},dispose:function(){a=new WeakMap}}}var Ym=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshDepthMaterial",t.depthPacking=3200,t.map=null,t.alphaMap=null,t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.wireframe=!1,t.wireframeLinewidth=1,t.fog=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}]),r}();Ym.prototype.isMeshDepthMaterial=!0;var Zm=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshDistanceMaterial",t.referencePosition=new id,t.nearDistance=1,t.farDistance=1e3,t.map=null,t.alphaMap=null,t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.fog=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}]),r}();Zm.prototype.isMeshDistanceMaterial=!0;var Jm="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",$m="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\nuniform float samples;\n#include <packing>\nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 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, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}";function Qm(g,y,e){var b=new Sp,x=new jf,w=new jf,_=new ed,h=new Ym({depthPacking:Lf}),p=new Zm,v={},S=e.maxTextureSize,m={0:au,1:iu,2:ou},r=new fp({uniforms:{shadow_pass:{value:null},resolution:{value:new jf},radius:{value:4},samples:{value:8}},vertexShader:Jm,fragmentShader:$m}),i=r.clone();i.defines.HORIZONTAL_PASS=1;var t=new Hh;t.setAttribute("position",new Rh(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));var a=new ap(t,r),M=this;function E(e,t){var n=y.update(a);r.uniforms.shadow_pass.value=e.map.texture,r.uniforms.resolution.value=e.mapSize,r.uniforms.radius.value=e.radius,r.uniforms.samples.value=e.blurSamples,g.setRenderTarget(e.mapPass),g.clear(),g.renderBufferDirect(t,null,n,r,a,null),i.uniforms.shadow_pass.value=e.mapPass.texture,i.uniforms.resolution.value=e.mapSize,i.uniforms.radius.value=e.radius,i.uniforms.samples.value=e.blurSamples,g.setRenderTarget(e.map),g.clear(),g.renderBufferDirect(t,null,n,i,a,null)}function T(e,t,n,r,i,a,o){var s=null,l=!0===r.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(s=void 0!==l?l:!0===r.isPointLight?p:h,g.localClippingEnabled&&!0===n.clipShadows&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&0<n.alphaTest){var u=s.uuid,c=n.uuid,f=v[u];void 0===f&&(f={},v[u]=f);var d=f[c];void 0===d&&(d=s.clone(),f[c]=d),s=d}return s.visible=n.visible,s.wireframe=n.wireframe,s.side=o===ru?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:m[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===r.isPointLight&&!0===s.isMeshDistanceMaterial&&(s.referencePosition.setFromMatrixPosition(r.matrixWorld),s.nearDistance=i,s.farDistance=a),s}function k(e,t,n,r,i){if(!1!==e.visible){if(e.layers.test(t.layers)&&(e.isMesh||e.isLine||e.isPoints)&&(e.castShadow||e.receiveShadow&&i===ru)&&(!e.frustumCulled||b.intersectsObject(e))){e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld);var a=y.update(e),o=e.material;if(Array.isArray(o))for(var s=a.groups,l=0,u=s.length;l<u;l++){var c=s[l],f=o[c.materialIndex];if(f&&f.visible){var d=T(e,0,f,r,n.near,n.far,i);g.renderBufferDirect(n,null,a,d,e,c)}}else if(o.visible){var h=T(e,0,o,r,n.near,n.far,i);g.renderBufferDirect(n,null,a,h,e,null)}}for(var p=e.children,v=0,m=p.length;v<m;v++)k(p[v],t,n,r,i)}}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=tu,this.render=function(e,t,n){if(!1!==M.enabled&&(!1!==M.autoUpdate||!1!==M.needsUpdate)&&0!==e.length){var r=g.getRenderTarget(),i=g.getActiveCubeFace(),a=g.getActiveMipmapLevel(),o=g.state;o.setBlending(su),o.buffers.color.setClear(1,1,1,1),o.buffers.depth.setTest(!0),o.setScissorTest(!1);for(var s=0,l=e.length;s<l;s++){var u=e[s],c=u.shadow;if(void 0!==c){if(!1!==c.autoUpdate||!1!==c.needsUpdate){x.copy(c.mapSize);var f=c.getFrameExtents();if(x.multiply(f),w.copy(c.mapSize),(x.x>S||x.y>S)&&(x.x>S&&(w.x=Math.floor(S/f.x),x.x=w.x*f.x,c.mapSize.x=w.x),x.y>S&&(w.y=Math.floor(S/f.y),x.y=w.y*f.y,c.mapSize.y=w.y)),null===c.map&&!c.isPointLightShadow&&this.type===ru){var d={minFilter:ic,magFilter:ic,format:wc};c.map=new td(x.x,x.y,d),c.map.texture.name=u.name+".shadowMap",c.mapPass=new td(x.x,x.y,d),c.camera.updateProjectionMatrix()}if(null===c.map){var h={minFilter:tc,magFilter:tc,format:wc};c.map=new td(x.x,x.y,h),c.map.texture.name=u.name+".shadowMap",c.camera.updateProjectionMatrix()}g.setRenderTarget(c.map),g.clear();for(var p=c.getViewportCount(),v=0;v<p;v++){var m=c.getViewport(v);_.set(w.x*m.x,w.y*m.y,w.x*m.z,w.y*m.w),o.viewport(_),c.updateMatrices(u,v),b=c.getFrustum(),k(t,n,c.camera,u,this.type)}c.isPointLightShadow||this.type!==ru||E(c,n),c.needsUpdate=!1}}else console.warn("THREE.WebGLShadowMap:",u,"has no shadow.")}M.needsUpdate=!1,g.setRenderTarget(r,i,a)}}}function Km(c,e,t){var n,r,i=t.isWebGL2;var a=new function(){var t=!1,a=new ed,n=null,o=new ed(0,0,0,0);return{setMask:function(e){n===e||t||(c.colorMask(e,e,e,e),n=e)},setLocked:function(e){t=e},setClear:function(e,t,n,r,i){!0===i&&(e*=r,t*=r,n*=r),a.set(e,t,n,r),!1===o.equals(a)&&(c.clearColor(e,t,n,r),o.copy(a))},reset:function(){t=!1,n=null,o.set(-1,0,0,0)}}},o=new function(){var t=!1,n=null,r=null,i=null;return{setTest:function(e){e?U(2929):B(2929)},setMask:function(e){n===e||t||(c.depthMask(e),n=e)},setFunc:function(e){if(r!==e){if(e)switch(e){case Cu:c.depthFunc(512);break;case Ru:c.depthFunc(519);break;case Pu:c.depthFunc(513);break;case Au:c.depthFunc(515);break;case Ou:c.depthFunc(514);break;case Nu:c.depthFunc(518);break;case Du:c.depthFunc(516);break;case Iu:c.depthFunc(517);break;default:c.depthFunc(515)}else c.depthFunc(515);r=e}},setLocked:function(e){t=e},setClear:function(e){i!==e&&(c.clearDepth(e),i=e)},reset:function(){t=!1,i=r=n=null}}},s=new function(){var t=!1,n=null,r=null,i=null,a=null,o=null,s=null,l=null,u=null;return{setTest:function(e){t||(e?U(2960):B(2960))},setMask:function(e){n===e||t||(c.stencilMask(e),n=e)},setFunc:function(e,t,n){r===e&&i===t&&a===n||(c.stencilFunc(e,t,n),r=e,i=t,a=n)},setOp:function(e,t,n){o===e&&s===t&&l===n||(c.stencilOp(e,t,n),o=e,s=t,l=n)},setLocked:function(e){t=e},setClear:function(e){u!==e&&(c.clearStencil(e),u=e)},reset:function(){t=!1,u=l=s=o=a=i=r=n=null}}},l={},u=null,f={},d=null,h=!1,p=null,v=null,m=null,g=null,y=null,b=null,x=null,w=!1,_=null,S=null,M=null,E=null,T=null,k=c.getParameter(35661),L=!1,C=0,R=c.getParameter(7938);-1!==R.indexOf("WebGL")?(C=parseFloat(/^WebGL (\d)/.exec(R)[1]),L=1<=C):-1!==R.indexOf("OpenGL ES")&&(C=parseFloat(/^OpenGL ES (\d)/.exec(R)[1]),L=2<=C);var P=null,A={},O=c.getParameter(3088),N=c.getParameter(2978),D=(new ed).fromArray(O),I=(new ed).fromArray(N);function z(e,t,n){var r=new Uint8Array(4),i=c.createTexture();c.bindTexture(e,i),c.texParameteri(e,10241,9728),c.texParameteri(e,10240,9728);for(var a=0;a<n;a++)c.texImage2D(t+a,0,6408,1,1,0,6408,5121,r);return i}var F={};function U(e){!0!==l[e]&&(c.enable(e),l[e]=!0)}function B(e){!1!==l[e]&&(c.disable(e),l[e]=!1)}F[3553]=z(3553,3553,1),F[34067]=z(34067,34069,6),a.setClear(0,0,0,1),o.setClear(1),s.setClear(0),U(2929),o.setFunc(Au),j(!1),q(Kl),U(2884),W(su);var H=(Cl(n={},hu,32774),Cl(n,pu,32778),Cl(n,vu,32779),n);if(i)H[mu]=32775,H[gu]=32776;else{var G=e.get("EXT_blend_minmax");null!==G&&(H[mu]=G.MIN_EXT,H[gu]=G.MAX_EXT)}var V=(Cl(r={},yu,0),Cl(r,bu,1),Cl(r,xu,768),Cl(r,_u,770),Cl(r,Lu,776),Cl(r,Tu,774),Cl(r,Mu,772),Cl(r,wu,769),Cl(r,Su,771),Cl(r,ku,775),Cl(r,Eu,773),r);function W(e,t,n,r,i,a,o,s){if(e!==su){if(!1===h&&(U(3042),h=!0),e===du)i=i||t,a=a||n,o=o||r,t===v&&i===y||(c.blendEquationSeparate(H[t],H[i]),v=t,y=i),n===m&&r===g&&a===b&&o===x||(c.blendFuncSeparate(V[n],V[r],V[a],V[o]),m=n,g=r,b=a,x=o),p=e,w=null;else if(e!==p||s!==w){if(v===hu&&y===hu||(c.blendEquation(32774),y=v=hu),s)switch(e){case lu:c.blendFuncSeparate(1,771,1,771);break;case uu:c.blendFunc(1,1);break;case cu:c.blendFuncSeparate(0,0,769,771);break;case fu:c.blendFuncSeparate(0,768,0,770);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case lu:c.blendFuncSeparate(770,771,1,771);break;case uu:c.blendFunc(770,1);break;case cu:c.blendFunc(0,769);break;case fu:c.blendFunc(0,768);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}x=b=g=m=null,p=e,w=s}}else!0===h&&(B(3042),h=!1)}function j(e){_!==e&&(e?c.frontFace(2304):c.frontFace(2305),_=e)}function q(e){e!==Ql?(U(2884),e!==S&&(e===Kl?c.cullFace(1029):e===eu?c.cullFace(1028):c.cullFace(1032))):B(2884),S=e}function X(e,t,n){e?(U(32823),E===t&&T===n||(c.polygonOffset(t,n),E=t,T=n)):B(32823)}function Y(e){void 0===e&&(e=33984+k-1),P!==e&&(c.activeTexture(e),P=e)}return{buffers:{color:a,depth:o,stencil:s},enable:U,disable:B,bindFramebuffer:function(e,t){return null===t&&null!==u&&(t=u),f[e]!==t&&(c.bindFramebuffer(e,t),f[e]=t,i&&(36009===e&&(f[36160]=t),36160===e&&(f[36009]=t)),!0)},bindXRFramebuffer:function(e){e!==u&&(c.bindFramebuffer(36160,e),u=e)},useProgram:function(e){return d!==e&&(c.useProgram(e),d=e,!0)},setBlending:W,setMaterial:function(e,t){e.side===ou?B(2884):U(2884);var n=e.side===au;t&&(n=!n),j(n),e.blending===lu&&!1===e.transparent?W(su):W(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),o.setFunc(e.depthFunc),o.setTest(e.depthTest),o.setMask(e.depthWrite),a.setMask(e.colorWrite);var r=e.stencilWrite;s.setTest(r),r&&(s.setMask(e.stencilWriteMask),s.setFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),s.setOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),X(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage?U(32926):B(32926)},setFlipSided:j,setCullFace:q,setLineWidth:function(e){e!==M&&(L&&c.lineWidth(e),M=e)},setPolygonOffset:X,setScissorTest:function(e){e?U(3089):B(3089)},activeTexture:Y,bindTexture:function(e,t){null===P&&Y();var n=A[P];void 0===n&&(n={type:void 0,texture:void 0},A[P]=n),n.type===e&&n.texture===t||(c.bindTexture(e,t||F[e]),n.type=e,n.texture=t)},unbindTexture:function(){var e=A[P];void 0!==e&&void 0!==e.type&&(c.bindTexture(e.type,null),e.type=void 0,e.texture=void 0)},compressedTexImage2D:function(){try{c.compressedTexImage2D.apply(c,arguments)}catch(e){console.error("THREE.WebGLState:",e)}},texImage2D:function(){try{c.texImage2D.apply(c,arguments)}catch(e){console.error("THREE.WebGLState:",e)}},texImage3D:function(){try{c.texImage3D.apply(c,arguments)}catch(e){console.error("THREE.WebGLState:",e)}},scissor:function(e){!1===D.equals(e)&&(c.scissor(e.x,e.y,e.z,e.w),D.copy(e))},viewport:function(e){!1===I.equals(e)&&(c.viewport(e.x,e.y,e.z,e.w),I.copy(e))},reset:function(){c.disable(3042),c.disable(2884),c.disable(2929),c.disable(32823),c.disable(3089),c.disable(2960),c.disable(32926),c.blendEquation(32774),c.blendFunc(1,0),c.blendFuncSeparate(1,0,1,0),c.colorMask(!0,!0,!0,!0),c.clearColor(0,0,0,0),c.depthMask(!0),c.depthFunc(513),c.clearDepth(1),c.stencilMask(4294967295),c.stencilFunc(519,0,4294967295),c.stencilOp(7680,7680,7680),c.clearStencil(0),c.cullFace(1029),c.frontFace(2305),c.polygonOffset(0,0),c.activeTexture(33984),c.bindFramebuffer(36160,null),!0===i&&(c.bindFramebuffer(36009,null),c.bindFramebuffer(36008,null)),c.useProgram(null),c.lineWidth(1),c.scissor(0,0,c.canvas.width,c.canvas.height),c.viewport(0,0,c.canvas.width,c.canvas.height),l={},A={},w=h=!(f={}),T=E=M=S=_=x=b=y=g=m=v=p=d=u=P=null,D.set(0,0,c.canvas.width,c.canvas.height),I.set(0,0,c.canvas.width,c.canvas.height),a.reset(),o.reset(),s.reset()}}}function eg(E,a,T,k,L,C,R){var e,t,u,P=L.isWebGL2,n=L.maxTextures,w=L.maxCubemapSize,y=L.maxTextureSize,r=L.maxSamples,i=new WeakMap,o=!1;try{o="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(e){}function c(e,t){return o?new OffscreenCanvas(e,t):Zf("canvas")}function _(e,t,n,r){var i=1;if((e.width>r||e.height>r)&&(i=r/Math.max(e.width,e.height)),i<1||!0===t){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){var a=t?Wf:Math.floor,o=a(i*e.width),s=a(i*e.height);void 0===u&&(u=c(o,s));var l=n?c(o,s):u;return l.width=o,l.height=s,l.getContext("2d").drawImage(e,0,0,o,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+e.width+"x"+e.height+") to ("+o+"x"+s+")."),l}return"data"in e&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+e.width+"x"+e.height+")."),e}return 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s=k.get(t[a]);s.__webglTexture&&(E.deleteTexture(s.__webglTexture),R.memory.textures--),k.remove(t[a])}k.remove(t),k.remove(e)}(t)}var f=0;function d(e,t){var n=k.get(e);if(e.isVideoTexture&&function(e){var t=R.render.frame;i.get(e)!==t&&(i.set(e,t),e.update())}(e),0<e.version&&n.__version!==e.version){var r=e.image;if(void 0===r)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==r.complete)return void m(n,e,t);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}T.activeTexture(33984+t),T.bindTexture(3553,n.__webglTexture)}function h(e,t){var n=k.get(e);0<e.version&&n.__version!==e.version?function(e,t,n){if(6!==t.image.length)return;S(e,t),T.activeTexture(33984+n),T.bindTexture(34067,e.__webglTexture),E.pixelStorei(37440,t.flipY),E.pixelStorei(37441,t.premultiplyAlpha),E.pixelStorei(3317,t.unpackAlignment),E.pixelStorei(37443,0);for(var r=t&&(t.isCompressedTexture||t.image[0].isCompressedTexture),i=t.image[0]&&t.image[0].isDataTexture,a=[],o=0;o<6;o++)a[o]=r||i?i?t.image[o].image:t.image[o]:_(t.image[o],!1,!0,w);var s,l=a[0],u=A(l)||P,c=C.convert(t.format),f=C.convert(t.type),d=D(t.internalFormat,c,f,t.encoding);if(z(34067,t,u),r){for(var h=0;h<6;h++){s=a[h].mipmaps;for(var p=0;p<s.length;p++){var v=s[p];t.format!==wc&&t.format!==xc?null!==c?T.compressedTexImage2D(34069+h,p,d,v.width,v.height,0,v.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):T.texImage2D(34069+h,p,d,v.width,v.height,0,c,f,v.data)}}e.__maxMipLevel=s.length-1}else{s=t.mipmaps;for(var m=0;m<6;m++)if(i){T.texImage2D(34069+m,0,d,a[m].width,a[m].height,0,c,f,a[m].data);for(var g=0;g<s.length;g++){var y=s[g].image[m].image;T.texImage2D(34069+m,g+1,d,y.width,y.height,0,c,f,y.data)}}else{T.texImage2D(34069+m,0,d,c,f,a[m]);for(var b=0;b<s.length;b++){var x=s[b];T.texImage2D(34069+m,b+1,d,c,f,x.image[m])}}e.__maxMipLevel=s.length}O(t,u)&&N(34067,t,l.width,l.height);e.__version=t.version,t.onUpdate&&t.onUpdate(t)}(n,e,t):(T.activeTexture(33984+t),T.bindTexture(34067,n.__webglTexture))}var p=(Cl(e={},Qu,10497),Cl(e,Ku,33071),Cl(e,ec,33648),e),v=(Cl(t={},tc,9728),Cl(t,nc,9984),Cl(t,rc,9986),Cl(t,ic,9729),Cl(t,ac,9985),Cl(t,oc,9987),t);function z(e,t,n){if(n?(E.texParameteri(e,10242,p[t.wrapS]),E.texParameteri(e,10243,p[t.wrapT]),32879!==e&&35866!==e||E.texParameteri(e,32882,p[t.wrapR]),E.texParameteri(e,10240,v[t.magFilter]),E.texParameteri(e,10241,v[t.minFilter])):(E.texParameteri(e,10242,33071),E.texParameteri(e,10243,33071),32879!==e&&35866!==e||E.texParameteri(e,32882,33071),t.wrapS===Ku&&t.wrapT===Ku||console.warn("THREE.WebGLRenderer: Texture is not power of two. 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i,a=function(e){return!P&&(e.wrapS!==Ku||e.wrapT!==Ku||e.minFilter!==tc&&e.minFilter!==ic)}(t)&&!1===A(t.image),o=_(t.image,a,!1,y),s=A(o)||P,l=C.convert(t.format),u=C.convert(t.type),c=D(t.internalFormat,l,u,t.encoding);z(r,t,s);var f=t.mipmaps;if(t.isDepthTexture)c=6402,P?c=t.type===hc?36012:t.type===dc?33190:t.type===yc?35056:33189:t.type===hc&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),t.format===Ec&&6402===c&&t.type!==cc&&t.type!==dc&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),t.type=cc,u=C.convert(t.type)),t.format===Tc&&6402===c&&(c=34041,t.type!==yc&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),t.type=yc,u=C.convert(t.type))),T.texImage2D(3553,0,c,o.width,o.height,0,l,u,null);else if(t.isDataTexture)if(0<f.length&&s){for(var d=0,h=f.length;d<h;d++)i=f[d],T.texImage2D(3553,d,c,i.width,i.height,0,l,u,i.data);t.generateMipmaps=!1,e.__maxMipLevel=f.length-1}else T.texImage2D(3553,0,c,o.width,o.height,0,l,u,o.data),e.__maxMipLevel=0;else if(t.isCompressedTexture){for(var p=0,v=f.length;p<v;p++)i=f[p],t.format!==wc&&t.format!==xc?null!==l?T.compressedTexImage2D(3553,p,c,i.width,i.height,0,i.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):T.texImage2D(3553,p,c,i.width,i.height,0,l,u,i.data);e.__maxMipLevel=f.length-1}else if(t.isDataTexture2DArray)T.texImage3D(35866,0,c,o.width,o.height,o.depth,0,l,u,o.data),e.__maxMipLevel=0;else if(t.isDataTexture3D)T.texImage3D(32879,0,c,o.width,o.height,o.depth,0,l,u,o.data),e.__maxMipLevel=0;else if(0<f.length&&s){for(var m=0,g=f.length;m<g;m++)i=f[m],T.texImage2D(3553,m,c,l,u,i);t.generateMipmaps=!1,e.__maxMipLevel=f.length-1}else T.texImage2D(3553,0,c,l,u,o),e.__maxMipLevel=0;O(t,s)&&N(r,t,o.width,o.height),e.__version=t.version,t.onUpdate&&t.onUpdate(t)}function F(e,t,n,r,i){var a=C.convert(n.format),o=C.convert(n.type),s=D(n.internalFormat,a,o,n.encoding);32879===i||35866===i?T.texImage3D(i,0,s,t.width,t.height,t.depth,0,a,o,null):T.texImage2D(i,0,s,t.width,t.height,0,a,o,null),T.bindFramebuffer(36160,e),E.framebufferTexture2D(36160,r,i,k.get(n).__webglTexture,0),T.bindFramebuffer(36160,null)}function U(e,t,n){if(E.bindRenderbuffer(36161,e),t.depthBuffer&&!t.stencilBuffer){var r=33189;if(n){var i=t.depthTexture;i&&i.isDepthTexture&&(i.type===hc?r=36012:i.type===dc&&(r=33190));var a=H(t);E.renderbufferStorageMultisample(36161,a,r,t.width,t.height)}else E.renderbufferStorage(36161,r,t.width,t.height);E.framebufferRenderbuffer(36160,36096,36161,e)}else if(t.depthBuffer&&t.stencilBuffer){if(n){var o=H(t);E.renderbufferStorageMultisample(36161,o,35056,t.width,t.height)}else E.renderbufferStorage(36161,34041,t.width,t.height);E.framebufferRenderbuffer(36160,33306,36161,e)}else{var s=!0===t.isWebGLMultipleRenderTargets?t.texture[0]:t.texture,l=C.convert(s.format),u=C.convert(s.type),c=D(s.internalFormat,l,u,s.encoding);if(n){var f=H(t);E.renderbufferStorageMultisample(36161,f,c,t.width,t.height)}else E.renderbufferStorage(36161,c,t.width,t.height)}E.bindRenderbuffer(36161,null)}function B(e){var t=k.get(e),n=!0===e.isWebGLCubeRenderTarget;if(e.depthTexture){if(n)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,t){if(t&&t.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(T.bindFramebuffer(36160,e),!t.depthTexture||!t.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of 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g=!1,b=!1;this.allocateTextureUnit=function(){var e=f;return n<=e&&console.warn("THREE.WebGLTextures: Trying to use "+e+" texture units while this GPU supports only "+n),f+=1,e},this.resetTextureUnits=function(){f=0},this.setTexture2D=d,this.setTexture2DArray=function(e,t){var n=k.get(e);0<e.version&&n.__version!==e.version?m(n,e,t):(T.activeTexture(33984+t),T.bindTexture(35866,n.__webglTexture))},this.setTexture3D=function(e,t){var n=k.get(e);0<e.version&&n.__version!==e.version?m(n,e,t):(T.activeTexture(33984+t),T.bindTexture(32879,n.__webglTexture))},this.setTextureCube=h,this.setupRenderTarget=function(e){var t=e.texture,n=k.get(e),r=k.get(t);e.addEventListener("dispose",I),!0!==e.isWebGLMultipleRenderTargets&&(r.__webglTexture=E.createTexture(),r.__version=t.version,R.memory.textures++);var i=!0===e.isWebGLCubeRenderTarget,a=!0===e.isWebGLMultipleRenderTargets,o=!0===e.isWebGLMultisampleRenderTarget,s=t.isDataTexture3D||t.isDataTexture2DArray,l=A(e)||P;if(!P||t.format!==xc||t.type!==hc&&t.type!==pc||(t.format=wc,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. 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Use their .texture property instead."),g=!0),e=e.texture),d(e,t)},this.safeSetTextureCube=function(e,t){e&&e.isWebGLCubeRenderTarget&&(!1===b&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. 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rg,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}},{key:"getTargetRaySpace",value:function(){return null===this._targetRay&&(this._targetRay=new rg,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new id,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new id),this._targetRay}},{key:"getGripSpace",value:function(){return null===this._grip&&(this._grip=new rg,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new id,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new id),this._grip}},{key:"dispatchEvent",value:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}},{key:"disconnect",value:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}},{key:"update",value:function(e,t,n){var r=null,i=null,a=null,o=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState)if(null!==o&&null!==(r=t.getPose(e.targetRaySpace,n))&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(ig)),l&&e.hand){a=!0;var u,c=jl(e.hand.values());try{for(c.s();!(u=c.n()).done;){var f=u.value,d=t.getJointPose(f,n);if(void 0===l.joints[f.jointName]){var h=new rg;h.matrixAutoUpdate=!1,h.visible=!1,l.joints[f.jointName]=h,l.add(h)}var p=l.joints[f.jointName];null!==d&&(p.matrix.fromArray(d.transform.matrix),p.matrix.decompose(p.position,p.rotation,p.scale),p.jointRadius=d.radius),p.visible=null!==d}}catch(e){c.e(e)}finally{c.f()}var v=l.joints["index-finger-tip"],m=l.joints["thumb-tip"],g=v.position.distanceTo(m.position);l.inputState.pinching&&.025<g?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&g<=.015&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==s&&e.gripSpace&&null!==(i=t.getPose(e.gripSpace,n))&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1);return null!==o&&(o.visible=null!==r),null!==s&&(s.visible=null!==i),null!==l&&(l.visible=null!==a),this}}]),e}(),og=function(){Rl(r,Nf);var n=Ul(r);function r(e,v){var t;Tl(this,r);var s=zl(t=n.call(this)),m=e.state,g=null,l=1,y=null,u="local-floor",b=null,x=null,w=null,_=null,S=null,M=!1,E=null,c=null,f=null,T=null,k=null,L=null,C=[],d=new Map,h=new hp;h.layers.enable(1),h.viewport=new ed;var p=new hp;p.layers.enable(2),p.viewport=new ed;var R=[h,p],P=new ng;P.layers.enable(1),P.layers.enable(2);var A=null,O=null;function N(e){var t=d.get(e.inputSource);t&&t.dispatchEvent({type:e.type,data:e.inputSource})}function D(){d.forEach(function(e,t){e.disconnect(t)}),d.clear(),O=A=null,m.bindXRFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),w&&v.deleteFramebuffer(w),E&&v.deleteFramebuffer(E),c&&v.deleteRenderbuffer(c),f&&v.deleteRenderbuffer(f),g=x=_=S=f=c=E=w=null,H.stop(),s.isPresenting=!1,s.dispatchEvent({type:"sessionend"})}function I(e){for(var t=g.inputSources,n=0;n<C.length;n++)d.set(t[n],C[n]);for(var r=0;r<e.removed.length;r++){var i=e.removed[r],a=d.get(i);a&&(a.dispatchEvent({type:"disconnected",data:i}),d.delete(i))}for(var o=0;o<e.added.length;o++){var s=e.added[o],l=d.get(s);l&&l.dispatchEvent({type:"connected",data:s})}}t.cameraAutoUpdate=!0,t.enabled=!1,t.isPresenting=!1,t.getController=function(e){var t=C[e];return void 0===t&&(t=new ag,C[e]=t),t.getTargetRaySpace()},t.getControllerGrip=function(e){var t=C[e];return void 0===t&&(t=new ag,C[e]=t),t.getGripSpace()},t.getHand=function(e){var t=C[e];return void 0===t&&(t=new ag,C[e]=t),t.getHandSpace()},t.setFramebufferScaleFactor=function(e){l=e,!0===s.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},t.setReferenceSpaceType=function(e){u=e,!0===s.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},t.getReferenceSpace=function(){return y},t.getBaseLayer=function(){return null!==_?_:S},t.getBinding=function(){return x},t.getFrame=function(){return T},t.getSession=function(){return g},t.setSession=function(){var t=El(regeneratorRuntime.mark(function e(t){var n,r,i,a,o;return regeneratorRuntime.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:if(null===(g=t)){e.next=22;break}if(g.addEventListener("select",N),g.addEventListener("selectstart",N),g.addEventListener("selectend",N),g.addEventListener("squeeze",N),g.addEventListener("squeezestart",N),g.addEventListener("squeezeend",N),g.addEventListener("end",D),g.addEventListener("inputsourceschange",I),!0!==(n=v.getContextAttributes()).xrCompatible)return e.next=14,v.makeXRCompatible();e.next=14;break;case 14:return void 0===g.renderState.layers?(r={antialias:n.antialias,alpha:n.alpha,depth:n.depth,stencil:n.stencil,framebufferScaleFactor:l},S=new XRWebGLLayer(g,v,r),g.updateRenderState({baseLayer:S})):v instanceof WebGLRenderingContext?(i={antialias:!0,alpha:n.alpha,depth:n.depth,stencil:n.stencil,framebufferScaleFactor:l},S=new XRWebGLLayer(g,v,i),g.updateRenderState({layers:[S]})):(M=n.antialias,a=null,n.depth&&(L=256,n.stencil&&(L|=1024),k=n.stencil?33306:36096,a=n.stencil?35056:33190),o={colorFormat:n.alpha?32856:32849,depthFormat:a,scaleFactor:l},x=new XRWebGLBinding(g,v),_=x.createProjectionLayer(o),w=v.createFramebuffer(),g.updateRenderState({layers:[_]}),M&&(E=v.createFramebuffer(),c=v.createRenderbuffer(),v.bindRenderbuffer(36161,c),v.renderbufferStorageMultisample(36161,4,32856,_.textureWidth,_.textureHeight),m.bindFramebuffer(36160,E),v.framebufferRenderbuffer(36160,36064,36161,c),v.bindRenderbuffer(36161,null),null!==a&&(f=v.createRenderbuffer(),v.bindRenderbuffer(36161,f),v.renderbufferStorageMultisample(36161,4,a,_.textureWidth,_.textureHeight),v.framebufferRenderbuffer(36160,k,36161,f),v.bindRenderbuffer(36161,null)),m.bindFramebuffer(36160,null))),e.next=17,g.requestReferenceSpace(u);case 17:y=e.sent,H.setContext(g),H.start(),s.isPresenting=!0,s.dispatchEvent({type:"sessionstart"});case 22:case"end":return e.stop()}},e)}));return function(e){return t.apply(this,arguments)}}();var z=new id,F=new id;function U(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}t.updateCamera=function(e){if(null!==g){P.near=p.near=h.near=e.near,P.far=p.far=h.far=e.far,A===P.near&&O===P.far||(g.updateRenderState({depthNear:P.near,depthFar:P.far}),A=P.near,O=P.far);var t=e.parent,n=P.cameras;U(P,t);for(var r=0;r<n.length;r++)U(n[r],t);P.matrixWorld.decompose(P.position,P.quaternion,P.scale),e.position.copy(P.position),e.quaternion.copy(P.quaternion),e.scale.copy(P.scale),e.matrix.copy(P.matrix),e.matrixWorld.copy(P.matrixWorld);for(var i=e.children,a=0,o=i.length;a<o;a++)i[a].updateMatrixWorld(!0);2===n.length?function(e,t,n){z.setFromMatrixPosition(t.matrixWorld),F.setFromMatrixPosition(n.matrixWorld);var r=z.distanceTo(F),i=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=i[14]/(i[10]-1),s=i[14]/(i[10]+1),l=(i[9]+1)/i[5],u=(i[9]-1)/i[5],c=(i[8]-1)/i[0],f=(a[8]+1)/a[0],d=o*c,h=o*f,p=r/(f-c),v=p*-c;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(v),e.translateZ(p),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();var m=o+p,g=s+p,y=d-v,b=r-v+h,x=l*s/g*m,w=u*s/g*m;e.projectionMatrix.makePerspective(y,b,x,w,m,g)}(P,h,p):P.projectionMatrix.copy(h.projectionMatrix)}},t.getCamera=function(){return P},t.getFoveation=function(){return null!==_?_.fixedFoveation:null!==S?S.fixedFoveation:void 0},t.setFoveation=function(e){null!==_&&(_.fixedFoveation=e),null!==S&&void 0!==S.fixedFoveation&&(S.fixedFoveation=e)};var B=null;var H=new Mp;return H.setAnimationLoop(function(e,t){if(b=t.getViewerPose(y),T=t,null!==b){var n=b.views;null!==S&&m.bindXRFramebuffer(S.framebuffer);var r=!1;n.length!==P.cameras.length&&(r=!(P.cameras.length=0));for(var i=0;i<n.length;i++){var a=n[i],o=null;if(null!==S)o=S.getViewport(a);else{var s=x.getViewSubImage(_,a);m.bindXRFramebuffer(w),void 0!==s.depthStencilTexture&&v.framebufferTexture2D(36160,k,3553,s.depthStencilTexture,0),v.framebufferTexture2D(36160,36064,3553,s.colorTexture,0),o=s.viewport}var l=R[i];l.matrix.fromArray(a.transform.matrix),l.projectionMatrix.fromArray(a.projectionMatrix),l.viewport.set(o.x,o.y,o.width,o.height),0===i&&P.matrix.copy(l.matrix),!0===r&&P.cameras.push(l)}M&&(m.bindXRFramebuffer(E),null!==L&&v.clear(L))}for(var u=g.inputSources,c=0;c<C.length;c++){var f=C[c],d=u[c];f.update(d,t,y)}if(B&&B(e,t),M){var h=_.textureWidth,p=_.textureHeight;m.bindFramebuffer(36008,E),m.bindFramebuffer(36009,w),v.invalidateFramebuffer(36008,[k]),v.invalidateFramebuffer(36009,[k]),v.blitFramebuffer(0,0,h,p,0,0,h,p,16384,9728),v.invalidateFramebuffer(36008,[36064]),m.bindFramebuffer(36008,null),m.bindFramebuffer(36009,null),m.bindFramebuffer(36160,E)}T=null}),t.setAnimationLoop=function(e){B=e},t.dispose=function(){},t}return r}();function sg(o){function a(e,t){e.opacity.value=t.opacity,t.color&&e.diffuse.value.copy(t.color),t.emissive&&e.emissive.value.copy(t.emissive).multiplyScalar(t.emissiveIntensity),t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.specularMap&&(e.specularMap.value=t.specularMap),0<t.alphaTest&&(e.alphaTest.value=t.alphaTest);var n,r,i=o.get(t).envMap;if(i){e.envMap.value=i,e.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,e.reflectivity.value=t.reflectivity,e.ior.value=t.ior,e.refractionRatio.value=t.refractionRatio;var a=o.get(i).__maxMipLevel;void 0!==a&&(e.maxMipLevel.value=a)}t.lightMap&&(e.lightMap.value=t.lightMap,e.lightMapIntensity.value=t.lightMapIntensity),t.aoMap&&(e.aoMap.value=t.aoMap,e.aoMapIntensity.value=t.aoMapIntensity),t.map?n=t.map:t.specularMap?n=t.specularMap:t.displacementMap?n=t.displacementMap:t.normalMap?n=t.normalMap:t.bumpMap?n=t.bumpMap:t.roughnessMap?n=t.roughnessMap:t.metalnessMap?n=t.metalnessMap:t.alphaMap?n=t.alphaMap:t.emissiveMap?n=t.emissiveMap:t.clearcoatMap?n=t.clearcoatMap:t.clearcoatNormalMap?n=t.clearcoatNormalMap:t.clearcoatRoughnessMap?n=t.clearcoatRoughnessMap:t.specularIntensityMap?n=t.specularIntensityMap:t.specularTintMap?n=t.specularTintMap:t.transmissionMap?n=t.transmissionMap:t.thicknessMap&&(n=t.thicknessMap),void 0!==n&&(n.isWebGLRenderTarget&&(n=n.texture),!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix)),t.aoMap?r=t.aoMap:t.lightMap&&(r=t.lightMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uv2Transform.value.copy(r.matrix))}function s(e,t){e.roughness.value=t.roughness,e.metalness.value=t.metalness,t.roughnessMap&&(e.roughnessMap.value=t.roughnessMap),t.metalnessMap&&(e.metalnessMap.value=t.metalnessMap),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===au&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===au&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias),o.get(t).envMap&&(e.envMapIntensity.value=t.envMapIntensity)}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,t,n,r,i){t.isMeshBasicMaterial?a(e,t):t.isMeshLambertMaterial?(a(e,t),function(e,t){t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap)}(e,t)):t.isMeshToonMaterial?(a(e,t),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap);t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap);t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===au&&(e.bumpScale.value*=-1));t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===au&&e.normalScale.value.negate());t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,t)):t.isMeshPhongMaterial?(a(e,t),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap);t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===au&&(e.bumpScale.value*=-1));t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===au&&e.normalScale.value.negate());t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,t)):t.isMeshStandardMaterial?(a(e,t),t.isMeshPhysicalMaterial?function(e,t,n){s(e,t),e.ior.value=t.ior,0<t.sheen&&(e.sheenTint.value.copy(t.sheenTint).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness);0<t.clearcoat&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,t.side===au&&e.clearcoatNormalScale.value.negate()));0<t.transmission&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=n.texture,e.transmissionSamplerSize.value.set(n.width,n.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap),e.attenuationDistance.value=t.attenuationDistance,e.attenuationTint.value.copy(t.attenuationTint));e.specularIntensity.value=t.specularIntensity,e.specularTint.value.copy(t.specularTint),t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap);t.specularTintMap&&(e.specularTintMap.value=t.specularTintMap)}(e,t,i):s(e,t)):t.isMeshMatcapMaterial?(a(e,t),function(e,t){t.matcap&&(e.matcap.value=t.matcap);t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===au&&(e.bumpScale.value*=-1));t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===au&&e.normalScale.value.negate());t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,t)):t.isMeshDepthMaterial?(a(e,t),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,t)):t.isMeshDistanceMaterial?(a(e,t),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias);e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,t)):t.isMeshNormalMaterial?(a(e,t),function(e,t){t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===au&&(e.bumpScale.value*=-1));t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===au&&e.normalScale.value.negate());t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,t)):t.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,t),t.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,t)):t.isPointsMaterial?function(e,t,n,r){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*r,t.map&&(e.map.value=t.map);t.alphaMap&&(e.alphaMap.value=t.alphaMap);0<t.alphaTest&&(e.alphaTest.value=t.alphaTest);var i;t.map?i=t.map:t.alphaMap&&(i=t.alphaMap);void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix))}(e,t,n,r):t.isSpriteMaterial?function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map);t.alphaMap&&(e.alphaMap.value=t.alphaMap);0<t.alphaTest&&(e.alphaTest.value=t.alphaTest);var n;t.map?n=t.map:t.alphaMap&&(n=t.alphaMap);void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,t):t.isShadowMaterial?(e.color.value.copy(t.color),e.opacity.value=t.opacity):t.isShaderMaterial&&(t.uniformsNeedUpdate=!1)}}}function lg(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{},a=void 0!==e.canvas?e.canvas:function(){var e=Zf("canvas");return e.style.display="block",e}(),t=void 0!==e.context?e.context:null,n=void 0!==e.alpha&&e.alpha,r=void 0===e.depth||e.depth,i=void 0===e.stencil||e.stencil,s=void 0!==e.antialias&&e.antialias,o=void 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0!==n&&!n||(r|=1024),fe.clear(r)},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(){a.removeEventListener("webglcontextlost",ge,!1),a.removeEventListener("webglcontextrestored",ye,!1),te.dispose(),ne.dispose(),q.dispose(),Y.dispose(),Z.dispose(),Q.dispose(),ce.dispose(),me.dispose(),me.removeEventListener("sessionstart",we),me.removeEventListener("sessionend",_e),z&&(z.dispose(),z=null),Se.stop()},this.renderBufferImmediate=function(e,t){ce.initAttributes();var n=q.get(e);e.hasPositions&&!n.position&&(n.position=fe.createBuffer()),e.hasNormals&&!n.normal&&(n.normal=fe.createBuffer()),e.hasUvs&&!n.uv&&(n.uv=fe.createBuffer()),e.hasColors&&!n.color&&(n.color=fe.createBuffer());var r=t.getAttributes();e.hasPositions&&(fe.bindBuffer(34962,n.position),fe.bufferData(34962,e.positionArray,35048),ce.enableAttribute(r.position.location),fe.vertexAttribPointer(r.position.location,3,5126,!1,0,0)),e.hasNormals&&(fe.bindBuffer(34962,n.normal),fe.bufferData(34962,e.normalArray,35048),ce.enableAttribute(r.normal.location),fe.vertexAttribPointer(r.normal.location,3,5126,!1,0,0)),e.hasUvs&&(fe.bindBuffer(34962,n.uv),fe.bufferData(34962,e.uvArray,35048),ce.enableAttribute(r.uv.location),fe.vertexAttribPointer(r.uv.location,2,5126,!1,0,0)),e.hasColors&&(fe.bindBuffer(34962,n.color),fe.bufferData(34962,e.colorArray,35048),ce.enableAttribute(r.color.location),fe.vertexAttribPointer(r.color.location,3,5126,!1,0,0)),ce.disableUnusedAttributes(),fe.drawArrays(4,0,e.count),e.count=0},this.renderBufferDirect=function(e,t,n,r,i,a){null===t&&(t=B);var o=i.isMesh&&i.matrixWorld.determinant()<0,s=Ce(e,t,n,r,i);W.setMaterial(r,o);var l=n.index,u=n.attributes.position;if(null===l){if(void 0===u||0===u.count)return}else if(0===l.count)return;var c,f=1;!0===r.wireframe&&(l=$.getWireframeAttribute(n),f=2),ce.setup(i,r,s,n,l);var d=se;null!==l&&(c=J.get(l),(d=le).setIndex(c));var h=null!==l?l.count:u.count,p=n.drawRange.start*f,v=n.drawRange.count*f,m=null!==a?a.start*f:0,g=null!==a?a.count*f:1/0,y=Math.max(p,m),b=Math.min(h,p+v,m+g)-1,x=Math.max(0,b-y+1);if(0!==x){if(i.isMesh)!0===r.wireframe?(W.setLineWidth(r.wireframeLinewidth*H()),d.setMode(1)):d.setMode(4);else if(i.isLine){var w=r.linewidth;void 0===w&&(w=1),W.setLineWidth(w*H()),i.isLineSegments?d.setMode(1):i.isLineLoop?d.setMode(2):d.setMode(3)}else i.isPoints?d.setMode(0):i.isSprite&&d.setMode(4);if(i.isInstancedMesh)d.renderInstances(y,x,i.count);else if(n.isInstancedBufferGeometry){var _=Math.min(n.instanceCount,n._maxInstanceCount);d.renderInstances(y,x,_)}else d.render(y,x)}},this.compile=function(r,t){(T=ne.get(r)).init(),d.push(T),r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(T.pushLight(e),e.castShadow&&T.pushShadow(e))}),T.setupLights(k.physicallyCorrectLights),r.traverse(function(e){var t=e.material;if(t)if(Array.isArray(t))for(var n=0;n<t.length;n++){ke(t[n],r,e)}else ke(t,r,e)}),d.pop(),T=null};var xe=null;function we(){Se.stop()}function _e(){Se.start()}var Se=new Mp;function Me(e,t,n,r){var i=e.opaque,a=e.transmissive,o=e.transparent;T.setupLightsView(n),0<a.length&&function(e,t,n){if(null===z){var r=!0===s&&!0===V.isWebGL2;z=new(r?nd:td)(1024,1024,{generateMipmaps:!0,type:null!==ue.convert(pc)?pc:sc,minFilter:oc,magFilter:tc,wrapS:Ku,wrapT:Ku})}var i=k.getRenderTarget();k.setRenderTarget(z),k.clear();var a=k.toneMapping;k.toneMapping=Bu,Ee(e,t,n),k.toneMapping=a,X.updateMultisampleRenderTarget(z),X.updateRenderTargetMipmap(z),k.setRenderTarget(i)}(i,t,n),r&&W.viewport(g.copy(r)),0<i.length&&Ee(i,t,n),0<a.length&&Ee(a,t,n),0<o.length&&Ee(o,t,n)}function Ee(e,t,n){for(var r=!0===t.isScene?t.overrideMaterial:null,i=0,a=e.length;i<a;i++){var o=e[i],s=o.object,l=o.geometry,u=null===r?o.material:r,c=o.group;s.layers.test(n.layers)&&Te(s,t,n,l,u,c)}}function Te(e,t,n,r,i,a){if(e.onBeforeRender(k,t,n,r,i,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),i.onBeforeRender(k,t,n,r,e,a),e.isImmediateRenderObject){var o=Ce(n,t,r,i,e);W.setMaterial(i),ce.reset(),function(e,t){e.render(function(e){k.renderBufferImmediate(e,t)})}(e,o)}else!0===i.transparent&&i.side===ou?(i.side=au,i.needsUpdate=!0,k.renderBufferDirect(n,t,r,i,e,a),i.side=iu,i.needsUpdate=!0,k.renderBufferDirect(n,t,r,i,e,a),i.side=ou):k.renderBufferDirect(n,t,r,i,e,a);e.onAfterRender(k,t,n,r,i,a)}function ke(e,t,n){!0!==t.isScene&&(t=B);var r=q.get(e),i=T.state.lights,a=T.state.shadowsArray,o=i.state.version,s=K.getParameters(e,i.state,a,t,n),l=K.getProgramCacheKey(s),u=r.programs;r.environment=e.isMeshStandardMaterial?t.environment:null,r.fog=t.fog,r.envMap=(e.isMeshStandardMaterial?Z:Y).get(e.envMap||r.environment),void 0===u&&(e.addEventListener("dispose",be),u=new Map,r.programs=u);var c=u.get(l);if(void 0!==c){if(r.currentProgram===c&&r.lightsStateVersion===o)return Le(e,s),c}else s.uniforms=K.getUniforms(e),e.onBuild(s,k),e.onBeforeCompile(s,k),c=K.acquireProgram(s,l),u.set(l,c),r.uniforms=s.uniforms;var f=r.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(f.clippingPlanes=re.uniform),Le(e,s),r.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),r.lightsStateVersion=o,r.needsLights&&(f.ambientLightColor.value=i.state.ambient,f.lightProbe.value=i.state.probe,f.directionalLights.value=i.state.directional,f.directionalLightShadows.value=i.state.directionalShadow,f.spotLights.value=i.state.spot,f.spotLightShadows.value=i.state.spotShadow,f.rectAreaLights.value=i.state.rectArea,f.ltc_1.value=i.state.rectAreaLTC1,f.ltc_2.value=i.state.rectAreaLTC2,f.pointLights.value=i.state.point,f.pointLightShadows.value=i.state.pointShadow,f.hemisphereLights.value=i.state.hemi,f.directionalShadowMap.value=i.state.directionalShadowMap,f.directionalShadowMatrix.value=i.state.directionalShadowMatrix,f.spotShadowMap.value=i.state.spotShadowMap,f.spotShadowMatrix.value=i.state.spotShadowMatrix,f.pointShadowMap.value=i.state.pointShadowMap,f.pointShadowMatrix.value=i.state.pointShadowMatrix);var d=c.getUniforms(),h=gm.seqWithValue(d.seq,f);return r.currentProgram=c,r.uniformsList=h,c}function Le(e,t){var n=q.get(e);n.outputEncoding=t.outputEncoding,n.instancing=t.instancing,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents}function Ce(e,t,n,r,i){!0!==t.isScene&&(t=B),X.resetTextureUnits();var a=t.fog,o=r.isMeshStandardMaterial?t.environment:null,s=null===L?k.outputEncoding:L.texture.encoding,l=(r.isMeshStandardMaterial?Z:Y).get(r.envMap||o),u=!0===r.vertexColors&&!!n&&!!n.attributes.color&&4===n.attributes.color.itemSize,c=!!r.normalMap&&!!n&&!!n.attributes.tangent,f=!!n&&!!n.morphAttributes.position,d=!!n&&!!n.morphAttributes.normal,h=n&&n.morphAttributes.position?n.morphAttributes.position.length:0,p=q.get(r),v=T.state.lights;if(!0===D&&(!0===I||e!==R)){var m=e===R&&r.id===C;re.setState(r,e,m)}var g=!1;r.version===p.__version?p.needsLights&&p.lightsStateVersion!==v.state.version?g=!0:p.outputEncoding!==s?g=!0:i.isInstancedMesh&&!1===p.instancing?g=!0:i.isInstancedMesh||!0!==p.instancing?i.isSkinnedMesh&&!1===p.skinning?g=!0:i.isSkinnedMesh||!0!==p.skinning?p.envMap!==l?g=!0:r.fog&&p.fog!==a?g=!0:void 0===p.numClippingPlanes||p.numClippingPlanes===re.numPlanes&&p.numIntersection===re.numIntersection?p.vertexAlphas!==u?g=!0:p.vertexTangents!==c?g=!0:p.morphTargets!==f?g=!0:p.morphNormals!==d?g=!0:!0===V.isWebGL2&&p.morphTargetsCount!==h&&(g=!0):g=!0:g=!0:g=!0:(g=!0,p.__version=r.version);var y=p.currentProgram;!0===g&&(y=ke(r,t,i));var b=!1,x=!1,w=!1,_=y.getUniforms(),S=p.uniforms;if(W.useProgram(y.program)&&(w=x=b=!0),r.id!==C&&(C=r.id,x=!0),b||R!==e){if(_.setValue(fe,"projectionMatrix",e.projectionMatrix),V.logarithmicDepthBuffer&&_.setValue(fe,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),R!==e&&(R=e,w=x=!0),r.isShaderMaterial||r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshStandardMaterial||r.envMap){var M=_.map.cameraPosition;void 0!==M&&M.setValue(fe,U.setFromMatrixPosition(e.matrixWorld))}(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial)&&_.setValue(fe,"isOrthographic",!0===e.isOrthographicCamera),(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial||r.isShadowMaterial||i.isSkinnedMesh)&&_.setValue(fe,"viewMatrix",e.matrixWorldInverse)}if(i.isSkinnedMesh){_.setOptional(fe,i,"bindMatrix"),_.setOptional(fe,i,"bindMatrixInverse");var E=i.skeleton;E&&(V.floatVertexTextures?(null===E.boneTexture&&E.computeBoneTexture(),_.setValue(fe,"boneTexture",E.boneTexture,X),_.setValue(fe,"boneTextureSize",E.boneTextureSize)):_.setOptional(fe,E,"boneMatrices"))}return!n||void 0===n.morphAttributes.position&&void 0===n.morphAttributes.normal||oe.update(i,n,r,y),!x&&p.receiveShadow===i.receiveShadow||(p.receiveShadow=i.receiveShadow,_.setValue(fe,"receiveShadow",i.receiveShadow)),x&&(_.setValue(fe,"toneMappingExposure",k.toneMappingExposure),p.needsLights&&function(e,t){e.ambientLightColor.needsUpdate=t,e.lightProbe.needsUpdate=t,e.directionalLights.needsUpdate=t,e.directionalLightShadows.needsUpdate=t,e.pointLights.needsUpdate=t,e.pointLightShadows.needsUpdate=t,e.spotLights.needsUpdate=t,e.spotLightShadows.needsUpdate=t,e.rectAreaLights.needsUpdate=t,e.hemisphereLights.needsUpdate=t}(S,w),a&&r.fog&&ee.refreshFogUniforms(S,a),ee.refreshMaterialUniforms(S,r,A,P,z),gm.upload(fe,p.uniformsList,S,X)),r.isShaderMaterial&&!0===r.uniformsNeedUpdate&&(gm.upload(fe,p.uniformsList,S,X),r.uniformsNeedUpdate=!1),r.isSpriteMaterial&&_.setValue(fe,"center",i.center),_.setValue(fe,"modelViewMatrix",i.modelViewMatrix),_.setValue(fe,"normalMatrix",i.normalMatrix),_.setValue(fe,"modelMatrix",i.matrixWorld),y}Se.setAnimationLoop(function(e){xe&&xe(e)}),"undefined"!=typeof window&&Se.setContext(window),this.setAnimationLoop=function(e){xe=e,me.setAnimationLoop(e),null===e?Se.stop():Se.start()},me.addEventListener("sessionstart",we),me.addEventListener("sessionend",_e),this.render=function(e,t){if(void 0===t||!0===t.isCamera){if(!0!==h){!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),!0===me.enabled&&!0===me.isPresenting&&(!0===me.cameraAutoUpdate&&me.updateCamera(t),t=me.getCamera()),!0===e.isScene&&e.onBeforeRender(k,e,t,L),(T=ne.get(e,d.length)).init(),d.push(T),F.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),N.setFromProjectionMatrix(F),I=this.localClippingEnabled,D=re.init(this.clippingPlanes,I,t),(y=te.get(e,f.length)).init(),f.push(y),function e(t,n,r,i){if(!1===t.visible)return;var a=t.layers.test(n.layers);if(a)if(t.isGroup)r=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(n);else if(t.isLight)T.pushLight(t),t.castShadow&&T.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||N.intersectsSprite(t)){i&&U.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F);var o=Q.update(t),s=t.material;s.visible&&y.push(t,o,s,r,U.z,null)}}else if(t.isImmediateRenderObject)i&&U.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F),y.push(t,null,t.material,r,U.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||N.intersectsObject(t))){i&&U.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F);var l=Q.update(t),u=t.material;if(Array.isArray(u))for(var c=l.groups,f=0,d=c.length;f<d;f++){var h=c[f],p=u[h.materialIndex];p&&p.visible&&y.push(t,l,p,r,U.z,h)}else u.visible&&y.push(t,l,u,r,U.z,null)}var v=t.children;for(var m=0,g=v.length;m<g;m++)e(v[m],n,r,i)}(e,t,0,k.sortObjects),y.finish(),!0===k.sortObjects&&y.sort(w,_),!0===D&&re.beginShadows();var n=T.state.shadowsArray;if(ie.render(n,e,t),!0===D&&re.endShadows(),!0===this.info.autoReset&&this.info.reset(),ae.render(y,e),T.setupLights(k.physicallyCorrectLights),t.isArrayCamera)for(var r=t.cameras,i=0,a=r.length;i<a;i++){var o=r[i];Me(y,e,o,o.viewport)}else Me(y,e,t);null!==L&&(X.updateMultisampleRenderTarget(L),X.updateRenderTargetMipmap(L)),!0===e.isScene&&e.onAfterRender(k,e,t),W.buffers.depth.setTest(!0),W.buffers.depth.setMask(!0),W.buffers.color.setMask(!0),W.setPolygonOffset(!1),ce.resetDefaultState(),C=-1,R=null,d.pop(),T=0<d.length?d[d.length-1]:null,f.pop(),y=0<f.length?f[f.length-1]:null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.getActiveCubeFace=function(){return v},this.getActiveMipmapLevel=function(){return m},this.getRenderTarget=function(){return L},this.setRenderTarget=function(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0;v=t,m=n,(L=e)&&void 0===q.get(e).__webglFramebuffer&&X.setupRenderTarget(e);var r=null,i=!1,a=!1;if(e){var o=e.texture;(o.isDataTexture3D||o.isDataTexture2DArray)&&(a=!0);var s=q.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(r=s[t],i=!0):r=e.isWebGLMultisampleRenderTarget?q.get(e).__webglMultisampledFramebuffer:s,g.copy(e.viewport),b.copy(e.scissor),x=e.scissorTest}else g.copy(S).multiplyScalar(A).floor(),b.copy(M).multiplyScalar(A).floor(),x=E;if(W.bindFramebuffer(36160,r)&&V.drawBuffers){var l=!1;if(e)if(e.isWebGLMultipleRenderTargets){var u=e.texture;if(O.length!==u.length||36064!==O[0]){for(var c=0,f=u.length;c<f;c++)O[c]=36064+c;O.length=u.length,l=!0}}else 1===O.length&&36064===O[0]||(O[0]=36064,O.length=1,l=!0);else 1===O.length&&1029===O[0]||(O[0]=1029,O.length=1,l=!0);l&&(V.isWebGL2?fe.drawBuffers(O):G.get("WEBGL_draw_buffers").drawBuffersWEBGL(O))}if(W.viewport(g),W.scissor(b),W.setScissorTest(x),i){var d=q.get(e.texture);fe.framebufferTexture2D(36160,36064,34069+t,d.__webglTexture,n)}else if(a){var h=q.get(e.texture),p=t||0;fe.framebufferTextureLayer(36160,36064,h.__webglTexture,n||0,p)}C=-1},this.readRenderTargetPixels=function(e,t,n,r,i,a,o){if(e&&e.isWebGLRenderTarget){var s=q.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){W.bindFramebuffer(36160,s);try{var l=e.texture,u=l.format,c=l.type;if(u!==wc&&ue.convert(u)!==fe.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");var f=c===pc&&(G.has("EXT_color_buffer_half_float")||V.isWebGL2&&G.has("EXT_color_buffer_float"));if(!(c===sc||ue.convert(c)===fe.getParameter(35738)||c===hc&&(V.isWebGL2||G.has("OES_texture_float")||G.has("WEBGL_color_buffer_float"))||f))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===fe.checkFramebufferStatus(36160)?0<=t&&t<=e.width-r&&0<=n&&n<=e.height-i&&fe.readPixels(t,n,r,i,ue.convert(u),ue.convert(c),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{var d=null!==L?q.get(L).__webglFramebuffer:null;W.bindFramebuffer(36160,d)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(e,t){var n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,r=Math.pow(2,-n),i=Math.floor(t.image.width*r),a=Math.floor(t.image.height*r),o=ue.convert(t.format);V.isWebGL2&&(6407===o&&(o=32849),6408===o&&(o=32856)),X.setTexture2D(t,0),fe.copyTexImage2D(3553,n,o,e.x,e.y,i,a,0),W.unbindTexture()},this.copyTextureToTexture=function(e,t,n){var r=3<arguments.length&&void 0!==arguments[3]?arguments[3]:0,i=t.image.width,a=t.image.height,o=ue.convert(n.format),s=ue.convert(n.type);X.setTexture2D(n,0),fe.pixelStorei(37440,n.flipY),fe.pixelStorei(37441,n.premultiplyAlpha),fe.pixelStorei(3317,n.unpackAlignment),t.isDataTexture?fe.texSubImage2D(3553,r,e.x,e.y,i,a,o,s,t.image.data):t.isCompressedTexture?fe.compressedTexSubImage2D(3553,r,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):fe.texSubImage2D(3553,r,e.x,e.y,o,s,t.image),0===r&&n.generateMipmaps&&fe.generateMipmap(3553),W.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,r){var i=4<arguments.length&&void 0!==arguments[4]?arguments[4]:0;if(k.isWebGL1Renderer)console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");else{var a,o=e.max.x-e.min.x+1,s=e.max.y-e.min.y+1,l=e.max.z-e.min.z+1,u=ue.convert(r.format),c=ue.convert(r.type);if(r.isDataTexture3D)X.setTexture3D(r,0),a=32879;else{if(!r.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");X.setTexture2DArray(r,0),a=35866}fe.pixelStorei(37440,r.flipY),fe.pixelStorei(37441,r.premultiplyAlpha),fe.pixelStorei(3317,r.unpackAlignment);var f=fe.getParameter(3314),d=fe.getParameter(32878),h=fe.getParameter(3316),p=fe.getParameter(3315),v=fe.getParameter(32877),m=n.isCompressedTexture?n.mipmaps[0]:n.image;fe.pixelStorei(3314,m.width),fe.pixelStorei(32878,m.height),fe.pixelStorei(3316,e.min.x),fe.pixelStorei(3315,e.min.y),fe.pixelStorei(32877,e.min.z),n.isDataTexture||n.isDataTexture3D?fe.texSubImage3D(a,i,t.x,t.y,t.z,o,s,l,u,c,m.data):n.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),fe.compressedTexSubImage3D(a,i,t.x,t.y,t.z,o,s,l,u,m.data)):fe.texSubImage3D(a,i,t.x,t.y,t.z,o,s,l,u,c,m),fe.pixelStorei(3314,f),fe.pixelStorei(32878,d),fe.pixelStorei(3316,h),fe.pixelStorei(3315,p),fe.pixelStorei(32877,v),0===i&&r.generateMipmaps&&fe.generateMipmap(a),W.unbindTexture()}},this.initTexture=function(e){X.setTexture2D(e,0),W.unbindTexture()},this.resetState=function(){m=v=0,L=null,W.reset(),ce.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}var ug=function(){function r(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1e3;Tl(this,r),this.name="",this.color=new Th(e),this.near=t,this.far=n}return Ll(r,[{key:"clone",value:function(){return new r(this.color,this.near,this.far)}},{key:"toJSON",value:function(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}]),r}();ug.prototype.isFog=!0;var cg=function(){Rl(n,oh);var t=Ul(n);function n(){var e;return Tl(this,n),(e=t.call(this)).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:zl(e)})),e}return Ll(n,[{key:"copy",value:function(e,t){return Bl(Pl(n.prototype),"copy",this).call(this,e,t),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}},{key:"toJSON",value:function(e){var t=Bl(Pl(n.prototype),"toJSON",this).call(this,e);return null!==this.fog&&(t.object.fog=this.fog.toJSON()),t}}]),n}();cg.prototype.isScene=!0;var fg=function(){function n(e,t){Tl(this,n),this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=Pf,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=Bf()}return Ll(n,[{key:"onUploadCallback",value:function(){}},{key:"needsUpdate",set:function(e){!0===e&&this.version++}},{key:"setUsage",value:function(e){return this.usage=e,this}},{key:"copy",value:function(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}},{key:"copyAt",value:function(e,t,n){e*=this.stride,n*=t.stride;for(var r=0,i=this.stride;r<i;r++)this.array[e+r]=t.array[n+r];return this}},{key:"set",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:0;return this.array.set(e,n),this}},{key:"clone",value:function(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Bf()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);var t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}},{key:"onUpload",value:function(e){return this.onUploadCallback=e,this}},{key:"toJSON",value:function(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Bf()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.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}}}]),n}();fg.prototype.isInterleavedBuffer=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="SpriteMaterial",t.color=new Th(16777215),t.map=null,t.alphaMap=null,t.rotation=0,t.sizeAttenuation=!0,t.transparent=!0,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this}}]),r}().prototype.isSpriteMaterial=!0;var dg=function(){Rl(p,Qf);var h=Ul(p);function p(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length?arguments[3]:void 0,a=4<arguments.length?arguments[4]:void 0,o=5<arguments.length?arguments[5]:void 0,s=6<arguments.length?arguments[6]:void 0,l=7<arguments.length?arguments[7]:void 0,u=8<arguments.length&&void 0!==arguments[8]?arguments[8]:tc,c=9<arguments.length&&void 0!==arguments[9]?arguments[9]:tc,f=10<arguments.length?arguments[10]:void 0,d=11<arguments.length?arguments[11]:void 0;return Tl(this,p),(e=h.call(this,null,o,s,l,u,c,i,a,f,d)).image={data:t,width:n,height:r},e.magFilter=u,e.minFilter=c,e.generateMipmaps=!1,e.flipY=!1,e.unpackAlignment=1,e.needsUpdate=!0,e}return p}();dg.prototype.isDataTexture=!0;var hg=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="LineBasicMaterial",t.color=new Th(16777215),t.linewidth=1,t.linecap="round",t.linejoin="round",t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this}}]),r}();hg.prototype.isLineBasicMaterial=!0;var pg=new id,vg=new id,mg=new Dd,gg=new Nd,yg=new Td,bg=function(){Rl(i,oh);var r=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new Hh,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new hg;return Tl(this,i),(e=r.call(this)).type="Line",e.geometry=t,e.material=n,e.updateMorphTargets(),e}return Ll(i,[{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.material=e.material,this.geometry=e.geometry,this}},{key:"computeLineDistances",value:function(){var e=this.geometry;if(e.isBufferGeometry)if(null===e.index){for(var t=e.attributes.position,n=[0],r=1,i=t.count;r<i;r++)pg.fromBufferAttribute(t,r-1),vg.fromBufferAttribute(t,r),n[r]=n[r-1],n[r]+=pg.distanceTo(vg);e.setAttribute("lineDistance",new Oh(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}},{key:"raycast",value:function(e,t){var n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold,a=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),yg.copy(n.boundingSphere),yg.applyMatrix4(r),yg.radius+=i,!1!==e.ray.intersectsSphere(yg)){mg.copy(r).invert(),gg.copy(e.ray).applyMatrix4(mg);var o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,l=new id,u=new id,c=new id,f=new id,d=this.isLineSegments?2:1;if(n.isBufferGeometry){var h=n.index,p=n.attributes.position;if(null!==h)for(var v=Math.max(0,a.start),m=Math.min(h.count,a.start+a.count)-1;v<m;v+=d){var g=h.getX(v),y=h.getX(v+1);if(l.fromBufferAttribute(p,g),u.fromBufferAttribute(p,y),!(s<gg.distanceSqToSegment(l,u,f,c))){f.applyMatrix4(this.matrixWorld);var b=e.ray.origin.distanceTo(f);b<e.near||b>e.far||t.push({distance:b,point:c.clone().applyMatrix4(this.matrixWorld),index:v,face:null,faceIndex:null,object:this})}}else for(var x=Math.max(0,a.start),w=Math.min(p.count,a.start+a.count)-1;x<w;x+=d){if(l.fromBufferAttribute(p,x),u.fromBufferAttribute(p,x+1),!(s<gg.distanceSqToSegment(l,u,f,c))){f.applyMatrix4(this.matrixWorld);var _=e.ray.origin.distanceTo(f);_<e.near||_>e.far||t.push({distance:_,point:c.clone().applyMatrix4(this.matrixWorld),index:x,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}},{key:"updateMorphTargets",value:function(){var e=this.geometry;if(e.isBufferGeometry){var t=e.morphAttributes,n=Object.keys(t);if(0<n.length){var r=t[n[0]];if(void 0!==r){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var i=0,a=r.length;i<a;i++){var o=r[i].name||String(i);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=i}}}}else{var s=e.morphTargets;void 0!==s&&0<s.length&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}]),i}();bg.prototype.isLine=!0;var xg=new id,wg=new id;(function(){Rl(i,bg);var r=Ul(i);function i(e,t){var n;return Tl(this,i),(n=r.call(this,e,t)).type="LineSegments",n}return Ll(i,[{key:"computeLineDistances",value:function(){var e=this.geometry;if(e.isBufferGeometry)if(null===e.index){for(var t=e.attributes.position,n=[],r=0,i=t.count;r<i;r+=2)xg.fromBufferAttribute(t,r),wg.fromBufferAttribute(t,r+1),n[r]=0===r?0:n[r-1],n[r+1]=n[r]+xg.distanceTo(wg);e.setAttribute("lineDistance",new Oh(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}}]),i})().prototype.isLineSegments=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="PointsMaterial",t.color=new Th(16777215),t.map=null,t.alphaMap=null,t.size=1,t.sizeAttenuation=!0,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this}}]),r}().prototype.isPointsMaterial=!0;var _g=function(){Rl(i,Hh);var r=Ul(i);function i(){var e,b=0<arguments.length&&void 0!==arguments[0]?arguments[0]:1,x=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1,w=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,_=3<arguments.length&&void 0!==arguments[3]?arguments[3]:8,S=4<arguments.length&&void 0!==arguments[4]?arguments[4]:1,t=5<arguments.length&&void 0!==arguments[5]&&arguments[5],M=6<arguments.length&&void 0!==arguments[6]?arguments[6]:0,E=7<arguments.length&&void 0!==arguments[7]?arguments[7]:2*Math.PI;Tl(this,i),(e=r.call(this)).type="CylinderGeometry",e.parameters={radiusTop:b,radiusBottom:x,height:w,radialSegments:_,heightSegments:S,openEnded:t,thetaStart:M,thetaLength:E};var T=zl(e);_=Math.floor(_),S=Math.floor(S);var k=[],L=[],C=[],R=[],P=0,A=[],O=w/2,N=0;function n(e){for(var t=P,n=new jf,r=new id,i=0,a=!0===e?b:x,o=!0===e?1:-1,s=1;s<=_;s++)L.push(0,O*o,0),C.push(0,o,0),R.push(.5,.5),P++;for(var l=P,u=0;u<=_;u++){var c=u/_*E+M,f=Math.cos(c),d=Math.sin(c);r.x=a*d,r.y=O*o,r.z=a*f,L.push(r.x,r.y,r.z),C.push(0,o,0),n.x=.5*f+.5,n.y=.5*d*o+.5,R.push(n.x,n.y),P++}for(var h=0;h<_;h++){var p=t+h,v=l+h;!0===e?k.push(v,v+1,p):k.push(v+1,v,p),i+=3}T.addGroup(N,i,!0===e?1:2),N+=i}return function(){for(var e=new id,t=new id,n=0,r=(x-b)/w,i=0;i<=S;i++){for(var a=[],o=i/S,s=o*(x-b)+b,l=0;l<=_;l++){var u=l/_,c=u*E+M,f=Math.sin(c),d=Math.cos(c);t.x=s*f,t.y=-o*w+O,t.z=s*d,L.push(t.x,t.y,t.z),e.set(f,r,d).normalize(),C.push(e.x,e.y,e.z),R.push(u,1-o),a.push(P++)}A.push(a)}for(var h=0;h<_;h++)for(var p=0;p<S;p++){var v=A[p][h],m=A[p+1][h],g=A[p+1][h+1],y=A[p][h+1];k.push(v,m,y),k.push(m,g,y),n+=6}T.addGroup(N,n,0),N+=n}(),!1===t&&(0<b&&n(!0),0<x&&n(!1)),e.setIndex(k),e.setAttribute("position",new Oh(L,3)),e.setAttribute("normal",new Oh(C,3)),e.setAttribute("uv",new Oh(R,2)),e}return Ll(i,null,[{key:"fromJSON",value:function(e){return new i(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}]),i}();new id,new id,new id,new gh;var Sg=function(){function e(){Tl(this,e),this.type="Curve",this.arcLengthDivisions=200}return Ll(e,[{key:"getPoint",value:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}},{key:"getPointAt",value:function(e,t){var n=this.getUtoTmapping(e);return this.getPoint(n,t)}},{key:"getPoints",value:function(e){for(var t=0<arguments.length&&void 0!==e?e:5,n=[],r=0;r<=t;r++)n.push(this.getPoint(r/t));return n}},{key:"getSpacedPoints",value:function(e){for(var t=0<arguments.length&&void 0!==e?e:5,n=[],r=0;r<=t;r++)n.push(this.getPointAt(r/t));return n}},{key:"getLength",value:function(){var e=this.getLengths();return e[e.length-1]}},{key:"getLengths",value:function(e){var t=0<arguments.length&&void 0!==e?e:this.arcLengthDivisions;if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var n,r=[],i=this.getPoint(0),a=0;r.push(0);for(var o=1;o<=t;o++)a+=(n=this.getPoint(o/t)).distanceTo(i),r.push(a),i=n;return this.cacheArcLengths=r}},{key:"updateArcLengths",value:function(){this.needsUpdate=!0,this.getLengths()}},{key:"getUtoTmapping",value:function(e,t){var n,r=this.getLengths(),i=0,a=r.length;n=t||e*r[a-1];for(var o,s=0,l=a-1;s<=l;)if((o=r[i=Math.floor(s+(l-s)/2)]-n)<0)s=i+1;else{if(!(0<o)){l=i;break}l=i-1}if(r[i=l]===n)return i/(a-1);var u=r[i];return(i+(n-u)/(r[i+1]-u))/(a-1)}},{key:"getTangent",value:function(e,t){var n=e-1e-4,r=e+1e-4;n<0&&(n=0),1<r&&(r=1);var i=this.getPoint(n),a=this.getPoint(r),o=t||(i.isVector2?new jf:new id);return o.copy(a).sub(i).normalize(),o}},{key:"getTangentAt",value:function(e,t){var n=this.getUtoTmapping(e);return this.getTangent(n,t)}},{key:"computeFrenetFrames",value:function(e,t){for(var n=new id,r=[],i=[],a=[],o=new id,s=new Dd,l=0;l<=e;l++){var u=l/e;r[l]=this.getTangentAt(u,new id)}i[0]=new id,a[0]=new id;var c=Number.MAX_VALUE,f=Math.abs(r[0].x),d=Math.abs(r[0].y),h=Math.abs(r[0].z);f<=c&&(c=f,n.set(1,0,0)),d<=c&&(c=d,n.set(0,1,0)),h<=c&&n.set(0,0,1),o.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],o),a[0].crossVectors(r[0],i[0]);for(var p=1;p<=e;p++){if(i[p]=i[p-1].clone(),a[p]=a[p-1].clone(),o.crossVectors(r[p-1],r[p]),o.length()>Number.EPSILON){o.normalize();var v=Math.acos(Hf(r[p-1].dot(r[p]),-1,1));i[p].applyMatrix4(s.makeRotationAxis(o,v))}a[p].crossVectors(r[p],i[p])}if(!0===t){var m=Math.acos(Hf(i[0].dot(i[e]),-1,1));m/=e,0<r[0].dot(o.crossVectors(i[0],i[e]))&&(m=-m);for(var g=1;g<=e;g++)i[g].applyMatrix4(s.makeRotationAxis(r[g],m*g)),a[g].crossVectors(r[g],i[g])}return{tangents:r,normals:i,binormals:a}}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"copy",value:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},{key:"toJSON",value:function(){var e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}},{key:"fromJSON",value:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}]),e}(),Mg=function(){Rl(c,Sg);var u=Ul(c);function c(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:0,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:0,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:1,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:1,a=4<arguments.length&&void 0!==arguments[4]?arguments[4]:0,o=5<arguments.length&&void 0!==arguments[5]?arguments[5]:2*Math.PI,s=6<arguments.length&&void 0!==arguments[6]&&arguments[6],l=7<arguments.length&&void 0!==arguments[7]?arguments[7]:0;return Tl(this,c),(e=u.call(this)).type="EllipseCurve",e.aX=t,e.aY=n,e.xRadius=r,e.yRadius=i,e.aStartAngle=a,e.aEndAngle=o,e.aClockwise=s,e.aRotation=l,e}return Ll(c,[{key:"getPoint",value:function(e,t){for(var n=t||new jf,r=2*Math.PI,i=this.aEndAngle-this.aStartAngle,a=Math.abs(i)<Number.EPSILON;i<0;)i+=r;for(;r<i;)i-=r;i<Number.EPSILON&&(i=a?0:r),!0!==this.aClockwise||a||(i===r?i=-r:i-=r);var o=this.aStartAngle+e*i,s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){var u=Math.cos(this.aRotation),c=Math.sin(this.aRotation),f=s-this.aX,d=l-this.aY;s=f*u-d*c+this.aX,l=f*c+d*u+this.aY}return n.set(s,l)}},{key:"copy",value:function(e){return Bl(Pl(c.prototype),"copy",this).call(this,e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}},{key:"toJSON",value:function(){var e=Bl(Pl(c.prototype),"toJSON",this).call(this);return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}},{key:"fromJSON",value:function(e){return Bl(Pl(c.prototype),"fromJSON",this).call(this,e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}]),c}();Mg.prototype.isEllipseCurve=!0;var Eg=function(){Rl(l,Mg);var s=Ul(l);function l(e,t,n,r,i,a){var o;return Tl(this,l),(o=s.call(this,e,t,n,n,r,i,a)).type="ArcCurve",o}return l}();function Tg(){var i=0,a=0,o=0,s=0;function u(e,t,n,r){o=-3*(i=e)+3*t-2*(a=n)-r,s=2*e-2*t+n+r}return{initCatmullRom:function(e,t,n,r,i){u(t,n,i*(n-e),i*(r-t))},initNonuniformCatmullRom:function(e,t,n,r,i,a,o){var s=(t-e)/i-(n-e)/(i+a)+(n-t)/a,l=(n-t)/a-(r-t)/(a+o)+(r-n)/o;u(t,n,s*=a,l*=a)},calc:function(e){var t=e*e;return i+a*e+o*t+s*(t*e)}}}Eg.prototype.isArcCurve=!0;var kg=new id,Lg=new Tg,Cg=new Tg,Rg=new Tg,Pg=function(){Rl(o,Sg);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:[],n=1<arguments.length&&void 0!==arguments[1]&&arguments[1],r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:"centripetal",i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:.5;return Tl(this,o),(e=a.call(this)).type="CatmullRomCurve3",e.points=t,e.closed=n,e.curveType=r,e.tension=i,e}return Ll(o,[{key:"getPoint",value:function(e,t){var n,r,i=1<arguments.length&&void 0!==t?t:new id,a=this.points,o=a.length,s=(o-(this.closed?0:1))*e,l=Math.floor(s),u=s-l;this.closed?l+=0<l?0:(Math.floor(Math.abs(l)/o)+1)*o:0===u&&l===o-1&&(l=o-2,u=1),n=this.closed||0<l?a[(l-1)%o]:(kg.subVectors(a[0],a[1]).add(a[0]),kg);var c=a[l%o],f=a[(l+1)%o];if(r=this.closed||l+2<o?a[(l+2)%o]:(kg.subVectors(a[o-1],a[o-2]).add(a[o-1]),kg),"centripetal"===this.curveType||"chordal"===this.curveType){var d="chordal"===this.curveType?.5:.25,h=Math.pow(n.distanceToSquared(c),d),p=Math.pow(c.distanceToSquared(f),d),v=Math.pow(f.distanceToSquared(r),d);p<1e-4&&(p=1),h<1e-4&&(h=p),v<1e-4&&(v=p),Lg.initNonuniformCatmullRom(n.x,c.x,f.x,r.x,h,p,v),Cg.initNonuniformCatmullRom(n.y,c.y,f.y,r.y,h,p,v),Rg.initNonuniformCatmullRom(n.z,c.z,f.z,r.z,h,p,v)}else"catmullrom"===this.curveType&&(Lg.initCatmullRom(n.x,c.x,f.x,r.x,this.tension),Cg.initCatmullRom(n.y,c.y,f.y,r.y,this.tension),Rg.initCatmullRom(n.z,c.z,f.z,r.z,this.tension));return i.set(Lg.calc(u),Cg.calc(u),Rg.calc(u)),i}},{key:"copy",value:function(e){Bl(Pl(o.prototype),"copy",this).call(this,e),this.points=[];for(var t=0,n=e.points.length;t<n;t++){var r=e.points[t];this.points.push(r.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}},{key:"toJSON",value:function(){var e=Bl(Pl(o.prototype),"toJSON",this).call(this);e.points=[];for(var t=0,n=this.points.length;t<n;t++){var r=this.points[t];e.points.push(r.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}},{key:"fromJSON",value:function(e){Bl(Pl(o.prototype),"fromJSON",this).call(this,e),this.points=[];for(var t=0,n=e.points.length;t<n;t++){var r=e.points[t];this.points.push((new id).fromArray(r))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}]),o}();function Ag(e,t,n,r,i){var a=.5*(r-t),o=.5*(i-n),s=e*e;return(2*n-2*r+a+o)*(e*s)+(-3*n+3*r-2*a-o)*s+a*e+n}function Og(e,t,n,r){return function(e,t){var n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,r)}function Ng(e,t,n,r,i){return function(e,t){var n=1-e;return n*n*n*t}(e,t)+function(e,t){var n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,r)+function(e,t){return e*e*e*t}(e,i)}Pg.prototype.isCatmullRomCurve3=!0;var Dg=function(){Rl(o,Sg);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jf,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new jf,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new jf,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:new jf;return Tl(this,o),(e=a.call(this)).type="CubicBezierCurve",e.v0=t,e.v1=n,e.v2=r,e.v3=i,e}return Ll(o,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new jf,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(Ng(e,r.x,i.x,a.x,o.x),Ng(e,r.y,i.y,a.y,o.y)),n}},{key:"copy",value:function(e){return Bl(Pl(o.prototype),"copy",this).call(this,e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}},{key:"toJSON",value:function(){var e=Bl(Pl(o.prototype),"toJSON",this).call(this);return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(o.prototype),"fromJSON",this).call(this,e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}]),o}();Dg.prototype.isCubicBezierCurve=!0;var Ig=function(){Rl(o,Sg);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new id,i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:new id;return Tl(this,o),(e=a.call(this)).type="CubicBezierCurve3",e.v0=t,e.v1=n,e.v2=r,e.v3=i,e}return Ll(o,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new id,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(Ng(e,r.x,i.x,a.x,o.x),Ng(e,r.y,i.y,a.y,o.y),Ng(e,r.z,i.z,a.z,o.z)),n}},{key:"copy",value:function(e){return Bl(Pl(o.prototype),"copy",this).call(this,e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}},{key:"toJSON",value:function(){var e=Bl(Pl(o.prototype),"toJSON",this).call(this);return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(o.prototype),"fromJSON",this).call(this,e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}]),o}();Ig.prototype.isCubicBezierCurve3=!0;var zg=function(){Rl(i,Sg);var r=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jf,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new jf;return Tl(this,i),(e=r.call(this)).type="LineCurve",e.v1=t,e.v2=n,e}return Ll(i,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new jf;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}},{key:"getPointAt",value:function(e,t){return this.getPoint(e,t)}},{key:"getTangent",value:function(e,t){var n=t||new jf;return n.copy(this.v2).sub(this.v1).normalize(),n}},{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}},{key:"toJSON",value:function(){var e=Bl(Pl(i.prototype),"toJSON",this).call(this);return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(i.prototype),"fromJSON",this).call(this,e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}]),i}();zg.prototype.isLineCurve=!0;var Fg=function(){Rl(i,Sg);var r=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id;return Tl(this,i),(e=r.call(this)).type="LineCurve3",e.isLineCurve3=!0,e.v1=t,e.v2=n,e}return Ll(i,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new id;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}},{key:"getPointAt",value:function(e,t){return this.getPoint(e,t)}},{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}},{key:"toJSON",value:function(){var e=Bl(Pl(i.prototype),"toJSON",this).call(this);return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(i.prototype),"fromJSON",this).call(this,e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}]),i}(),Ug=function(){Rl(a,Sg);var i=Ul(a);function a(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jf,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new jf,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new jf;return Tl(this,a),(e=i.call(this)).type="QuadraticBezierCurve",e.v0=t,e.v1=n,e.v2=r,e}return Ll(a,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new jf,r=this.v0,i=this.v1,a=this.v2;return n.set(Og(e,r.x,i.x,a.x),Og(e,r.y,i.y,a.y)),n}},{key:"copy",value:function(e){return Bl(Pl(a.prototype),"copy",this).call(this,e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}},{key:"toJSON",value:function(){var e=Bl(Pl(a.prototype),"toJSON",this).call(this);return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(a.prototype),"fromJSON",this).call(this,e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}]),a}();Ug.prototype.isQuadraticBezierCurve=!0;var Bg=function(){Rl(a,Sg);var i=Ul(a);function a(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new id,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:new id,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:new id;return Tl(this,a),(e=i.call(this)).type="QuadraticBezierCurve3",e.v0=t,e.v1=n,e.v2=r,e}return Ll(a,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new id,r=this.v0,i=this.v1,a=this.v2;return n.set(Og(e,r.x,i.x,a.x),Og(e,r.y,i.y,a.y),Og(e,r.z,i.z,a.z)),n}},{key:"copy",value:function(e){return Bl(Pl(a.prototype),"copy",this).call(this,e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}},{key:"toJSON",value:function(){var e=Bl(Pl(a.prototype),"toJSON",this).call(this);return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(a.prototype),"fromJSON",this).call(this,e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}]),a}();Bg.prototype.isQuadraticBezierCurve3=!0;var Hg=function(){Rl(i,Sg);var n=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:[];return Tl(this,i),(e=n.call(this)).type="SplineCurve",e.points=t,e}return Ll(i,[{key:"getPoint",value:function(e,t){var n=1<arguments.length&&void 0!==t?t:new jf,r=this.points,i=(r.length-1)*e,a=Math.floor(i),o=i-a,s=r[0===a?a:a-1],l=r[a],u=r[a>r.length-2?r.length-1:a+1],c=r[a>r.length-3?r.length-1:a+2];return n.set(Ag(o,s.x,l.x,u.x,c.x),Ag(o,s.y,l.y,u.y,c.y)),n}},{key:"copy",value:function(e){Bl(Pl(i.prototype),"copy",this).call(this,e),this.points=[];for(var t=0,n=e.points.length;t<n;t++){var r=e.points[t];this.points.push(r.clone())}return this}},{key:"toJSON",value:function(){var e=Bl(Pl(i.prototype),"toJSON",this).call(this);e.points=[];for(var t=0,n=this.points.length;t<n;t++){var r=this.points[t];e.points.push(r.toArray())}return e}},{key:"fromJSON",value:function(e){Bl(Pl(i.prototype),"fromJSON",this).call(this,e),this.points=[];for(var t=0,n=e.points.length;t<n;t++){var r=e.points[t];this.points.push((new jf).fromArray(r))}return this}}]),i}();Hg.prototype.isSplineCurve=!0;var Gg=Object.freeze({__proto__:null,ArcCurve:Eg,CatmullRomCurve3:Pg,CubicBezierCurve:Dg,CubicBezierCurve3:Ig,EllipseCurve:Mg,LineCurve:zg,LineCurve3:Fg,QuadraticBezierCurve:Ug,QuadraticBezierCurve3:Bg,SplineCurve:Hg}),Vg=function(){Rl(i,Sg);var t=Ul(i);function i(){var e;return Tl(this,i),(e=t.call(this)).type="CurvePath",e.curves=[],e.autoClose=!1,e}return Ll(i,[{key:"add",value:function(e){this.curves.push(e)}},{key:"closePath",value:function(){var e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new zg(t,e))}},{key:"getPoint",value:function(e,t){for(var n=e*this.getLength(),r=this.getCurveLengths(),i=0;i<r.length;){if(r[i]>=n){var a=r[i]-n,o=this.curves[i],s=o.getLength(),l=0===s?0:1-a/s;return o.getPointAt(l,t)}i++}return null}},{key:"getLength",value:function(){var e=this.getCurveLengths();return e[e.length-1]}},{key:"updateArcLengths",value:function(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}},{key:"getCurveLengths",value:function(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;for(var e=[],t=0,n=0,r=this.curves.length;n<r;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e}},{key:"getSpacedPoints",value:function(e){for(var t=0<arguments.length&&void 0!==e?e:40,n=[],r=0;r<=t;r++)n.push(this.getPoint(r/t));return this.autoClose&&n.push(n[0]),n}},{key:"getPoints",value:function(e){for(var t,n=0<arguments.length&&void 0!==e?e:12,r=[],i=0,a=this.curves;i<a.length;i++)for(var o=a[i],s=o&&o.isEllipseCurve?2*n:o&&(o.isLineCurve||o.isLineCurve3)?1:o&&o.isSplineCurve?n*o.points.length:n,l=o.getPoints(s),u=0;u<l.length;u++){var c=l[u];t&&t.equals(c)||(r.push(c),t=c)}return this.autoClose&&1<r.length&&!r[r.length-1].equals(r[0])&&r.push(r[0]),r}},{key:"copy",value:function(e){Bl(Pl(i.prototype),"copy",this).call(this,e),this.curves=[];for(var t=0,n=e.curves.length;t<n;t++){var r=e.curves[t];this.curves.push(r.clone())}return this.autoClose=e.autoClose,this}},{key:"toJSON",value:function(){var e=Bl(Pl(i.prototype),"toJSON",this).call(this);e.autoClose=this.autoClose,e.curves=[];for(var t=0,n=this.curves.length;t<n;t++){var r=this.curves[t];e.curves.push(r.toJSON())}return e}},{key:"fromJSON",value:function(e){Bl(Pl(i.prototype),"fromJSON",this).call(this,e),this.autoClose=e.autoClose,this.curves=[];for(var t=0,n=e.curves.length;t<n;t++){var r=e.curves[t];this.curves.push((new Gg[r.type]).fromJSON(r))}return this}}]),i}(),Wg=function(){Rl(r,Vg);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="Path",t.currentPoint=new jf,e&&t.setFromPoints(e),t}return Ll(r,[{key:"setFromPoints",value:function(e){this.moveTo(e[0].x,e[0].y);for(var t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}},{key:"moveTo",value:function(e,t){return this.currentPoint.set(e,t),this}},{key:"lineTo",value:function(e,t){var n=new zg(this.currentPoint.clone(),new jf(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}},{key:"quadraticCurveTo",value:function(e,t,n,r){var i=new Ug(this.currentPoint.clone(),new jf(e,t),new jf(n,r));return this.curves.push(i),this.currentPoint.set(n,r),this}},{key:"bezierCurveTo",value:function(e,t,n,r,i,a){var o=new Dg(this.currentPoint.clone(),new jf(e,t),new jf(n,r),new jf(i,a));return this.curves.push(o),this.currentPoint.set(i,a),this}},{key:"splineThru",value:function(e){var t=[this.currentPoint.clone()].concat(e),n=new Hg(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}},{key:"arc",value:function(e,t,n,r,i,a){var o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,n,r,i,a),this}},{key:"absarc",value:function(e,t,n,r,i,a){return this.absellipse(e,t,n,n,r,i,a),this}},{key:"ellipse",value:function(e,t,n,r,i,a,o,s){var l=this.currentPoint.x,u=this.currentPoint.y;return this.absellipse(e+l,t+u,n,r,i,a,o,s),this}},{key:"absellipse",value:function(e,t,n,r,i,a,o,s){var l=new Mg(e,t,n,r,i,a,o,s);if(0<this.curves.length){var u=l.getPoint(0);u.equals(this.currentPoint)||this.lineTo(u.x,u.y)}this.curves.push(l);var c=l.getPoint(1);return this.currentPoint.copy(c),this}},{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.currentPoint.copy(e.currentPoint),this}},{key:"toJSON",value:function(){var e=Bl(Pl(r.prototype),"toJSON",this).call(this);return e.currentPoint=this.currentPoint.toArray(),e}},{key:"fromJSON",value:function(e){return Bl(Pl(r.prototype),"fromJSON",this).call(this,e),this.currentPoint.fromArray(e.currentPoint),this}}]),r}(),jg=function(){Rl(i,Wg);var n=Ul(i);function i(e){var t;return Tl(this,i),(t=n.call(this,e)).uuid=Bf(),t.type="Shape",t.holes=[],t}return 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Ll(t,null,[{key:"area",value:function(e){for(var t=e.length,n=0,r=t-1,i=0;i<t;r=i++)n+=e[r].x*e[i].y-e[i].x*e[r].y;return.5*n}},{key:"isClockWise",value:function(e){return t.area(e)<0}},{key:"triangulateShape",value:function(e,t){var n=[],r=[],i=[];my(e),gy(n,e);var a=e.length;t.forEach(my);for(var o=0;o<t.length;o++)r.push(a),a+=t[o].length,gy(n,t[o]);for(var s=qg(n,r),l=0;l<s.length;l+=3)i.push(s.slice(l,l+3));return i}}]),t}();function my(e){var t=e.length;2<t&&e[t-1].equals(e[0])&&e.pop()}function gy(e,t){for(var n=0;n<t.length;n++)e.push(t[n].x),e.push(t[n].y)}var yy=function(){Rl(s,Hh);var a=Ul(s);function s(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jg([new jf(.5,.5),new jf(-.5,.5),new jf(-.5,-.5),new jf(.5,-.5)]),Ae=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};Tl(this,s),(e=a.call(this)).type="ExtrudeGeometry",e.parameters={shapes:t,options:Ae},t=Array.isArray(t)?t:[t];for(var Oe=zl(e),Ne=[],De=[],n=0,r=t.length;n<r;n++){i(t[n])}function i(e){var r=[],t=void 0!==Ae.curveSegments?Ae.curveSegments:12,f=void 0!==Ae.steps?Ae.steps:1,n=void 0!==Ae.depth?Ae.depth:1,d=void 0===Ae.bevelEnabled||Ae.bevelEnabled,i=void 0!==Ae.bevelThickness?Ae.bevelThickness:.2,a=void 0!==Ae.bevelSize?Ae.bevelSize:i-.1,o=void 0!==Ae.bevelOffset?Ae.bevelOffset:0,h=void 0!==Ae.bevelSegments?Ae.bevelSegments:3,s=Ae.extrudePath,l=void 0!==Ae.UVGenerator?Ae.UVGenerator:by;void 0!==Ae.amount&&(console.warn("THREE.ExtrudeBufferGeometry: amount has been renamed to depth."),n=Ae.amount);var u,c,p,v,m,g=!1;s&&(u=s.getSpacedPoints(f),d=!(g=!0),c=s.computeFrenetFrames(f,!1),p=new id,v=new id,m=new id),d||(o=a=i=h=0);var y=e.extractPoints(t),b=y.shape,x=y.holes;if(!vy.isClockWise(b)){b=b.reverse();for(var w=0,_=x.length;w<_;w++){var S=x[w];vy.isClockWise(S)&&(x[w]=S.reverse())}}for(var M=vy.triangulateShape(b,x),E=b,T=0,k=x.length;T<k;T++){var L=x[T];b=b.concat(L)}function C(e,t,n){return t||console.error("THREE.ExtrudeGeometry: vec does not exist"),t.clone().multiplyScalar(n).add(e)}var R=b.length,P=M.length;function A(e,t,n){var r,i,a,o=e.x-t.x,s=e.y-t.y,l=n.x-e.x,u=n.y-e.y,c=o*o+s*s,f=o*u-s*l;if(Math.abs(f)>Number.EPSILON){var d=Math.sqrt(c),h=Math.sqrt(l*l+u*u),p=t.x-s/d,v=t.y+o/d,m=((n.x-u/h-p)*u-(n.y+l/h-v)*l)/(o*u-s*l),g=(r=p+o*m-e.x)*r+(i=v+s*m-e.y)*i;if(g<=2)return new jf(r,i);a=Math.sqrt(g/2)}else{var y=!1;o>Number.EPSILON?l>Number.EPSILON&&(y=!0):o<-Number.EPSILON?l<-Number.EPSILON&&(y=!0):Math.sign(s)===Math.sign(u)&&(y=!0),a=y?(r=-s,i=o,Math.sqrt(c)):(r=o,i=s,Math.sqrt(c/2))}return new jf(r/a,i/a)}for(var O=[],N=0,D=E.length,I=D-1,z=N+1;N<D;N++,I++,z++)I===D&&(I=0),z===D&&(z=0),O[N]=A(E[N],E[I],E[z]);for(var F,U=[],B=O.concat(),H=0,G=x.length;H<G;H++){var V=x[H];F=[];for(var W=0,j=V.length,q=j-1,X=W+1;W<j;W++,q++,X++)q===j&&(q=0),X===j&&(X=0),F[W]=A(V[W],V[q],V[X]);U.push(F),B=B.concat(F)}for(var Y=0;Y<h;Y++){for(var Z=Y/h,J=i*Math.cos(Z*Math.PI/2),$=a*Math.sin(Z*Math.PI/2)+o,Q=0,K=E.length;Q<K;Q++){var ee=C(E[Q],O[Q],$);ke(ee.x,ee.y,-J)}for(var te=0,ne=x.length;te<ne;te++){var re=x[te];F=U[te];for(var ie=0,ae=re.length;ie<ae;ie++){var oe=C(re[ie],F[ie],$);ke(oe.x,oe.y,-J)}}}for(var se=a+o,le=0;le<R;le++){var ue=d?C(b[le],B[le],se):b[le];g?(v.copy(c.normals[0]).multiplyScalar(ue.x),p.copy(c.binormals[0]).multiplyScalar(ue.y),m.copy(u[0]).add(v).add(p),ke(m.x,m.y,m.z)):ke(ue.x,ue.y,0)}for(var ce=1;ce<=f;ce++)for(var fe=0;fe<R;fe++){var de=d?C(b[fe],B[fe],se):b[fe];g?(v.copy(c.normals[ce]).multiplyScalar(de.x),p.copy(c.binormals[ce]).multiplyScalar(de.y),m.copy(u[ce]).add(v).add(p),ke(m.x,m.y,m.z)):ke(de.x,de.y,n/f*ce)}for(var he=h-1;0<=he;he--){for(var pe=he/h,ve=i*Math.cos(pe*Math.PI/2),me=a*Math.sin(pe*Math.PI/2)+o,ge=0,ye=E.length;ge<ye;ge++){var be=C(E[ge],O[ge],me);ke(be.x,be.y,n+ve)}for(var xe=0,we=x.length;xe<we;xe++){var _e=x[xe];F=U[xe];for(var Se=0,Me=_e.length;Se<Me;Se++){var Ee=C(_e[Se],F[Se],me);g?ke(Ee.x,Ee.y+u[f-1].y,u[f-1].x+ve):ke(Ee.x,Ee.y,n+ve)}}}function Te(e,t){for(var n=e.length;0<=--n;){var r=n,i=n-1;i<0&&(i=e.length-1);for(var a=0,o=f+2*h;a<o;a++){var s=R*a,l=R*(a+1);Ce(t+r+s,t+i+s,t+i+l,t+r+l)}}}function ke(e,t,n){r.push(e),r.push(t),r.push(n)}function Le(e,t,n){Re(e),Re(t),Re(n);var r=Ne.length/3,i=l.generateTopUV(Oe,Ne,r-3,r-2,r-1);Pe(i[0]),Pe(i[1]),Pe(i[2])}function Ce(e,t,n,r){Re(e),Re(t),Re(r),Re(t),Re(n),Re(r);var i=Ne.length/3,a=l.generateSideWallUV(Oe,Ne,i-6,i-3,i-2,i-1);Pe(a[0]),Pe(a[1]),Pe(a[3]),Pe(a[1]),Pe(a[2]),Pe(a[3])}function Re(e){Ne.push(r[3*e+0]),Ne.push(r[3*e+1]),Ne.push(r[3*e+2])}function Pe(e){De.push(e.x),De.push(e.y)}!function(){var e=Ne.length/3;if(d){for(var t=0,n=R*t,r=0;r<P;r++){var i=M[r];Le(i[2]+n,i[1]+n,i[0]+n)}n=R*(t=f+2*h);for(var a=0;a<P;a++){var o=M[a];Le(o[0]+n,o[1]+n,o[2]+n)}}else{for(var s=0;s<P;s++){var l=M[s];Le(l[2],l[1],l[0])}for(var u=0;u<P;u++){var c=M[u];Le(c[0]+R*f,c[1]+R*f,c[2]+R*f)}}Oe.addGroup(e,Ne.length/3-e,0)}(),function(){var e=Ne.length/3,t=0;Te(E,t),t+=E.length;for(var n=0,r=x.length;n<r;n++){var i=x[n];Te(i,t),t+=i.length}Oe.addGroup(e,Ne.length/3-e,1)}()}return e.setAttribute("position",new Oh(Ne,3)),e.setAttribute("uv",new Oh(De,2)),e.computeVertexNormals(),e}return Ll(s,[{key:"toJSON",value:function(){var e=Bl(Pl(s.prototype),"toJSON",this).call(this);return function(e,t,n){if(n.shapes=[],Array.isArray(e))for(var r=0,i=e.length;r<i;r++){var a=e[r];n.shapes.push(a.uuid)}else n.shapes.push(e.uuid);void 0!==t.extrudePath&&(n.options.extrudePath=t.extrudePath.toJSON());return n}(this.parameters.shapes,this.parameters.options,e)}}],[{key:"fromJSON",value:function(e,t){for(var n=[],r=0,i=e.shapes.length;r<i;r++){var a=t[e.shapes[r]];n.push(a)}var o=e.options.extrudePath;return void 0!==o&&(e.options.extrudePath=(new Gg[o.type]).fromJSON(o)),new s(n,e.options)}}]),s}(),by={generateTopUV:function(e,t,n,r,i){var a=t[3*n],o=t[3*n+1],s=t[3*r],l=t[3*r+1],u=t[3*i],c=t[3*i+1];return[new jf(a,o),new jf(s,l),new jf(u,c)]},generateSideWallUV:function(e,t,n,r,i,a){var o=t[3*n],s=t[3*n+1],l=t[3*n+2],u=t[3*r],c=t[3*r+1],f=t[3*r+2],d=t[3*i],h=t[3*i+1],p=t[3*i+2],v=t[3*a],m=t[3*a+1],g=t[3*a+2];return Math.abs(s-c)<Math.abs(o-u)?[new jf(o,1-l),new jf(u,1-f),new jf(d,1-p),new jf(v,1-g)]:[new jf(s,1-l),new jf(c,1-f),new jf(h,1-p),new jf(m,1-g)]}};var xy=function(){Rl(o,Hh);var a=Ul(o);function o(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jg([new jf(0,.5),new jf(-.5,-.5),new jf(.5,-.5)]),w=1<arguments.length&&void 0!==arguments[1]?arguments[1]:12;Tl(this,o),(e=a.call(this)).type="ShapeGeometry",e.parameters={shapes:t,curveSegments:w};var _=[],S=[],M=[],E=[],n=0,T=0;if(!1===Array.isArray(t))i(t);else for(var r=0;r<t.length;r++)i(t[r]),e.addGroup(n,T,r),n+=T,T=0;function i(e){var t=S.length/3,n=e.extractPoints(w),r=n.shape,i=n.holes;!1===vy.isClockWise(r)&&(r=r.reverse());for(var a=0,o=i.length;a<o;a++){var s=i[a];!0===vy.isClockWise(s)&&(i[a]=s.reverse())}for(var l=vy.triangulateShape(r,i),u=0,c=i.length;u<c;u++){var f=i[u];r=r.concat(f)}for(var d=0,h=r.length;d<h;d++){var p=r[d];S.push(p.x,p.y,0),M.push(0,0,1),E.push(p.x,p.y)}for(var v=0,m=l.length;v<m;v++){var g=l[v],y=g[0]+t,b=g[1]+t,x=g[2]+t;_.push(y,b,x),T+=3}}return e.setIndex(_),e.setAttribute("position",new Oh(S,3)),e.setAttribute("normal",new Oh(M,3)),e.setAttribute("uv",new Oh(E,2)),e}return Ll(o,[{key:"toJSON",value:function(){var e=Bl(Pl(o.prototype),"toJSON",this).call(this);return function(e,t){if(t.shapes=[],Array.isArray(e))for(var n=0,r=e.length;n<r;n++){var i=e[n];t.shapes.push(i.uuid)}else t.shapes.push(e.uuid);return t}(this.parameters.shapes,e)}}],[{key:"fromJSON",value:function(e,t){for(var n=[],r=0,i=e.shapes.length;r<i;r++){var a=t[e.shapes[r]];n.push(a)}return new o(n,e.curveSegments)}}]),o}();(function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="ShadowMaterial",t.color=new Th(0),t.transparent=!0,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this}}]),r})().prototype.isShadowMaterial=!0;var wy=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).defines={STANDARD:""},t.type="MeshStandardMaterial",t.color=new Th(16777215),t.roughness=1,t.metalness=0,t.map=null,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=null,t.aoMapIntensity=1,t.emissive=new Th(0),t.emissiveIntensity=1,t.emissiveMap=null,t.bumpMap=null,t.bumpScale=1,t.normalMap=null,t.normalMapType=Cf,t.normalScale=new jf(1,1),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.roughnessMap=null,t.metalnessMap=null,t.alphaMap=null,t.envMap=null,t.envMapIntensity=1,t.refractionRatio=.98,t.wireframe=!1,t.wireframeLinewidth=1,t.wireframeLinecap="round",t.wireframeLinejoin="round",t.flatShading=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}}]),r}();wy.prototype.isMeshStandardMaterial=!0,function(){Rl(r,wy);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).defines={STANDARD:"",PHYSICAL:""},t.type="MeshPhysicalMaterial",t.clearcoatMap=null,t.clearcoatRoughness=0,t.clearcoatRoughnessMap=null,t.clearcoatNormalScale=new jf(1,1),t.clearcoatNormalMap=null,t.ior=1.5,Object.defineProperty(zl(t),"reflectivity",{get:function(){return Hf(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),t.sheenTint=new Th(0),t.sheenRoughness=1,t.transmissionMap=null,t.thickness=.01,t.thicknessMap=null,t.attenuationDistance=0,t.attenuationTint=new Th(1,1,1),t.specularIntensity=1,t.specularIntensityMap=null,t.specularTint=new Th(1,1,1),t.specularTintMap=null,t._sheen=0,t._clearcoat=0,t._transmission=0,t.setValues(e),t}return Ll(r,[{key:"sheen",get:function(){return this._sheen},set:function(e){0<this._sheen!=0<e&&this.version++,this._sheen=e}},{key:"clearcoat",get:function(){return this._clearcoat},set:function(e){0<this._clearcoat!=0<e&&this.version++,this._clearcoat=e}},{key:"transmission",get:function(){return this._transmission},set:function(e){0<this._transmission!=0<e&&this.version++,this._transmission=e}},{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.sheen=e.sheen,this.sheenTint.copy(e.sheenTint),this.sheenRoughness=e.sheenRoughness,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationTint.copy(e.attenuationTint),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularTint.copy(e.specularTint),this.specularTintMap=e.specularTintMap,this}}]),r}().prototype.isMeshPhysicalMaterial=!0;var _y=function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshPhongMaterial",t.color=new Th(16777215),t.specular=new Th(1118481),t.shininess=30,t.map=null,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=null,t.aoMapIntensity=1,t.emissive=new Th(0),t.emissiveIntensity=1,t.emissiveMap=null,t.bumpMap=null,t.bumpScale=1,t.normalMap=null,t.normalMapType=Cf,t.normalScale=new jf(1,1),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.specularMap=null,t.alphaMap=null,t.envMap=null,t.combine=zu,t.reflectivity=1,t.refractionRatio=.98,t.wireframe=!1,t.wireframeLinewidth=1,t.wireframeLinecap="round",t.wireframeLinejoin="round",t.flatShading=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this}}]),r}();_y.prototype.isMeshPhongMaterial=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).defines={TOON:""},t.type="MeshToonMaterial",t.color=new Th(16777215),t.map=null,t.gradientMap=null,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=null,t.aoMapIntensity=1,t.emissive=new Th(0),t.emissiveIntensity=1,t.emissiveMap=null,t.bumpMap=null,t.bumpScale=1,t.normalMap=null,t.normalMapType=Cf,t.normalScale=new jf(1,1),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.alphaMap=null,t.wireframe=!1,t.wireframeLinewidth=1,t.wireframeLinecap="round",t.wireframeLinejoin="round",t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}}]),r}().prototype.isMeshToonMaterial=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshNormalMaterial",t.bumpMap=null,t.bumpScale=1,t.normalMap=null,t.normalMapType=Cf,t.normalScale=new jf(1,1),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.wireframe=!1,t.wireframeLinewidth=1,t.fog=!1,t.flatShading=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}}]),r}().prototype.isMeshNormalMaterial=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="MeshLambertMaterial",t.color=new Th(16777215),t.map=null,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=null,t.aoMapIntensity=1,t.emissive=new Th(0),t.emissiveIntensity=1,t.emissiveMap=null,t.specularMap=null,t.alphaMap=null,t.envMap=null,t.combine=zu,t.reflectivity=1,t.refractionRatio=.98,t.wireframe=!1,t.wireframeLinewidth=1,t.wireframeLinecap="round",t.wireframeLinejoin="round",t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this}}]),r}().prototype.isMeshLambertMaterial=!0,function(){Rl(r,bh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).defines={MATCAP:""},t.type="MeshMatcapMaterial",t.color=new Th(16777215),t.matcap=null,t.map=null,t.bumpMap=null,t.bumpScale=1,t.normalMap=null,t.normalMapType=Cf,t.normalScale=new jf(1,1),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.alphaMap=null,t.flatShading=!1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.flatShading=e.flatShading,this}}]),r}().prototype.isMeshMatcapMaterial=!0,function(){Rl(r,hg);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="LineDashedMaterial",t.scale=1,t.dashSize=3,t.gapSize=1,t.setValues(e),t}return Ll(r,[{key:"copy",value:function(e){return Bl(Pl(r.prototype),"copy",this).call(this,e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}]),r}().prototype.isLineDashedMaterial=!0;var Sy={arraySlice:function(e,t,n){return Sy.isTypedArray(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)},convertArray:function(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)},isTypedArray:function(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)},getKeyframeOrder:function(n){for(var e=n.length,t=new Array(e),r=0;r!==e;++r)t[r]=r;return t.sort(function(e,t){return n[e]-n[t]}),t},sortedArray:function(e,t,n){for(var r=e.length,i=new e.constructor(r),a=0,o=0;o!==r;++a)for(var s=n[a]*t,l=0;l!==t;++l)i[o++]=e[s+l];return i},flattenJSON:function(e,t,n,r){for(var i=1,a=e[0];void 0!==a&&void 0===a[r];)a=e[i++];if(void 0!==a){var o=a[r];if(void 0!==o)if(Array.isArray(o))for(;void 0!==(o=a[r])&&(t.push(a.time),n.push.apply(n,o)),void 0!==(a=e[i++]););else if(void 0!==o.toArray)for(;void 0!==(o=a[r])&&(t.push(a.time),o.toArray(n,n.length)),void 0!==(a=e[i++]););else for(;void 0!==(o=a[r])&&(t.push(a.time),n.push(o)),void 0!==(a=e[i++]););}},subclip:function(e,t,n,r,i){var a=4<arguments.length&&void 0!==i?i:30,o=e.clone();o.name=t;for(var s=[],l=0;l<o.tracks.length;++l){for(var u=o.tracks[l],c=u.getValueSize(),f=[],d=[],h=0;h<u.times.length;++h){var p=u.times[h]*a;if(!(p<n||r<=p)){f.push(u.times[h]);for(var v=0;v<c;++v)d.push(u.values[h*c+v])}}0!==f.length&&(u.times=Sy.convertArray(f,u.times.constructor),u.values=Sy.convertArray(d,u.values.constructor),s.push(u))}o.tracks=s;for(var m=1/0,g=0;g<o.tracks.length;++g)m>o.tracks[g].times[0]&&(m=o.tracks[g].times[0]);for(var y=0;y<o.tracks.length;++y)o.tracks[y].shift(-1*m);return o.resetDuration(),o},makeClipAdditive:function(_,e,t,n){var r=1<arguments.length&&void 0!==e?e:0,S=2<arguments.length&&void 0!==t?t:_,i=3<arguments.length&&void 0!==n?n:30;i<=0&&(i=30);for(var a=S.tracks.length,M=r/i,o=function(e){var t=S.tracks[e],n=t.ValueTypeName;if("bool"===n||"string"===n)return"continue";var r=_.tracks.find(function(e){return e.name===t.name&&e.ValueTypeName===n});if(void 0===r)return"continue";var i=0,a=t.getValueSize();t.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(i=a/3);var o=0,s=r.getValueSize();r.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=s/3);var l=t.times.length-1,u=void 0;if(M<=t.times[0]){var c=i,f=a-i;u=Sy.arraySlice(t.values,c,f)}else if(M>=t.times[l]){var d=l*a+i,h=d+a-i;u=Sy.arraySlice(t.values,d,h)}else{var p=t.createInterpolant(),v=i,m=a-i;p.evaluate(M),u=Sy.arraySlice(p.resultBuffer,v,m)}"quaternion"===n&&(new rd).fromArray(u).normalize().conjugate().toArray(u);for(var g=r.times.length,y=0;y<g;++y){var b=y*s+o;if("quaternion"===n)rd.multiplyQuaternionsFlat(r.values,b,u,0,r.values,b);else for(var x=s-2*o,w=0;w<x;++w)r.values[b+w]-=u[w]}},s=0;s<a;++s)o(s);return _.blendMode=2501,_}},My=function(){function i(e,t,n,r){Tl(this,i),this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==r?r:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}return Ll(i,[{key:"evaluate",value:function(e){var t=this.parameterPositions,n=this._cachedIndex,r=t[n],i=t[n-1];e:{t:{var a;n:{r:if(!(e<r)){for(var o=n+2;;){if(void 0===r){if(e<i)break r;return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,e,i)}if(n===o)break;if(i=r,e<(r=t[++n]))break t}a=t.length;break n}if(i<=e)break e;var s=t[1];e<s&&(n=2,i=s);for(var l=n-2;;){if(void 0===i)return this._cachedIndex=0,this.beforeStart_(0,e,r);if(n===l)break;if(r=i,(i=t[--n-1])<=e)break t}a=n,n=0}for(;n<a;){var u=n+a>>>1;e<t[u]?a=u:n=1+u}if(r=t[n],void 0===(i=t[n-1]))return this._cachedIndex=0,this.beforeStart_(0,e,r);if(void 0===r)return n=t.length,this._cachedIndex=n,this.afterEnd_(n-1,i,e)}this._cachedIndex=n,this.intervalChanged_(n,i,r)}return this.interpolate_(n,i,e,r)}},{key:"getSettings_",value:function(){return this.settings||this.DefaultSettings_}},{key:"copySampleValue_",value:function(e){for(var t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r,a=0;a!==r;++a)t[a]=n[i+a];return t}},{key:"interpolate_",value:function(){throw new Error("call to abstract method")}},{key:"intervalChanged_",value:function(){}}]),i}();My.prototype.beforeStart_=My.prototype.copySampleValue_,My.prototype.afterEnd_=My.prototype.copySampleValue_;var Ey=function(){Rl(o,My);var a=Ul(o);function o(e,t,n,r){var i;return Tl(this,o),(i=a.call(this,e,t,n,r))._weightPrev=-0,i._offsetPrev=-0,i._weightNext=-0,i._offsetNext=-0,i.DefaultSettings_={endingStart:2400,endingEnd:2400},i}return Ll(o,[{key:"intervalChanged_",value:function(e,t,n){var r=this.parameterPositions,i=e-2,a=e+1,o=r[i],s=r[a];if(void 0===o)switch(this.getSettings_().endingStart){case 2401:i=e,o=2*t-n;break;case 2402:o=t+r[i=r.length-2]-r[i+1];break;default:i=e,o=n}if(void 0===s)switch(this.getSettings_().endingEnd){case 2401:a=e,s=2*n-t;break;case 2402:s=n+r[a=1]-r[0];break;default:a=e-1,s=t}var l=.5*(n-t),u=this.valueSize;this._weightPrev=l/(t-o),this._weightNext=l/(s-n),this._offsetPrev=i*u,this._offsetNext=a*u}},{key:"interpolate_",value:function(e,t,n,r){for(var i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=s-o,u=this._offsetPrev,c=this._offsetNext,f=this._weightPrev,d=this._weightNext,h=(n-t)/(r-t),p=h*h,v=p*h,m=-f*v+2*f*p-f*h,g=(1+f)*v+(-1.5-2*f)*p+(-.5+f)*h+1,y=(-1-d)*v+(1.5+d)*p+.5*h,b=d*v-d*p,x=0;x!==o;++x)i[x]=m*a[u+x]+g*a[l+x]+y*a[s+x]+b*a[c+x];return i}}]),o}(),Ty=function(){Rl(a,My);var i=Ul(a);function a(e,t,n,r){return Tl(this,a),i.call(this,e,t,n,r)}return Ll(a,[{key:"interpolate_",value:function(e,t,n,r){for(var i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=s-o,u=(n-t)/(r-t),c=1-u,f=0;f!==o;++f)i[f]=a[l+f]*c+a[s+f]*u;return i}}]),a}(),ky=function(){Rl(a,My);var i=Ul(a);function a(e,t,n,r){return Tl(this,a),i.call(this,e,t,n,r)}return Ll(a,[{key:"interpolate_",value:function(e){return this.copySampleValue_(e-1)}}]),a}(),Ly=function(){function i(e,t,n,r){if(Tl(this,i),void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=Sy.convertArray(t,this.TimeBufferType),this.values=Sy.convertArray(n,this.ValueBufferType),this.setInterpolation(r||this.DefaultInterpolation)}return Ll(i,[{key:"InterpolantFactoryMethodDiscrete",value:function(e){return new ky(this.times,this.values,this.getValueSize(),e)}},{key:"InterpolantFactoryMethodLinear",value:function(e){return new Ty(this.times,this.values,this.getValueSize(),e)}},{key:"InterpolantFactoryMethodSmooth",value:function(e){return new Ey(this.times,this.values,this.getValueSize(),e)}},{key:"setInterpolation",value:function(e){var t;switch(e){case 2300:t=this.InterpolantFactoryMethodDiscrete;break;case 2301:t=this.InterpolantFactoryMethodLinear;break;case 2302:t=this.InterpolantFactoryMethodSmooth}if(void 0!==t)return this.createInterpolant=t,this;var n="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(n);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",n),this}},{key:"getInterpolation",value:function(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return 2300;case this.InterpolantFactoryMethodLinear:return 2301;case this.InterpolantFactoryMethodSmooth:return 2302}}},{key:"getValueSize",value:function(){return this.values.length/this.times.length}},{key:"shift",value:function(e){if(0!==e)for(var t=this.times,n=0,r=t.length;n!==r;++n)t[n]+=e;return this}},{key:"scale",value:function(e){if(1!==e)for(var t=this.times,n=0,r=t.length;n!==r;++n)t[n]*=e;return this}},{key:"trim",value:function(e,t){for(var n=this.times,r=n.length,i=0,a=r-1;i!==r&&n[i]<e;)++i;for(;-1!==a&&n[a]>t;)--a;if(++a,0!==i||a!==r){a<=i&&(i=(a=Math.max(a,1))-1);var o=this.getValueSize();this.times=Sy.arraySlice(n,i,a),this.values=Sy.arraySlice(this.values,i*o,a*o)}return this}},{key:"validate",value:function(){var e=!0,t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);var n=this.times,r=this.values,i=n.length;0===i&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);for(var a=null,o=0;o!==i;o++){var s=n[o];if("number"==typeof s&&isNaN(s)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,s),e=!1;break}if(null!==a&&s<a){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,s,a),e=!1;break}a=s}if(void 0!==r&&Sy.isTypedArray(r))for(var l=0,u=r.length;l!==u;++l){var c=r[l];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,l,c),e=!1;break}}return e}},{key:"optimize",value:function(){for(var e=Sy.arraySlice(this.times),t=Sy.arraySlice(this.values),n=this.getValueSize(),r=2302===this.getInterpolation(),i=e.length-1,a=1,o=1;o<i;++o){var s=!1,l=e[o];if(l!==e[o+1]&&(1!==o||l!==e[0]))if(r)s=!0;else for(var u=o*n,c=u-n,f=u+n,d=0;d!==n;++d){var h=t[u+d];if(h!==t[c+d]||h!==t[f+d]){s=!0;break}}if(s){if(o!==a){e[a]=e[o];for(var p=o*n,v=a*n,m=0;m!==n;++m)t[v+m]=t[p+m]}++a}}if(0<i){e[a]=e[i];for(var g=i*n,y=a*n,b=0;b!==n;++b)t[y+b]=t[g+b];++a}return a!==e.length?(this.times=Sy.arraySlice(e,0,a),this.values=Sy.arraySlice(t,0,a*n)):(this.times=e,this.values=t),this}},{key:"clone",value:function(){var e=Sy.arraySlice(this.times,0),t=Sy.arraySlice(this.values,0),n=new this.constructor(this.name,e,t);return n.createInterpolant=this.createInterpolant,n}}],[{key:"toJSON",value:function(e){var t,n=e.constructor;if(n.toJSON!==this.toJSON)t=n.toJSON(e);else{t={name:e.name,times:Sy.convertArray(e.times,Array),values:Sy.convertArray(e.values,Array)};var r=e.getInterpolation();r!==e.DefaultInterpolation&&(t.interpolation=r)}return t.type=e.ValueTypeName,t}}]),i}();Ly.prototype.TimeBufferType=Float32Array,Ly.prototype.ValueBufferType=Float32Array;var Cy={enabled:!(Ly.prototype.DefaultInterpolation=2301),files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},Ry=new function e(t,n,r){Tl(this,e);var i=this,a=!1,o=0,s=0,l=void 0,u=[];this.onStart=void 0,this.onLoad=t,this.onProgress=n,this.onError=r,this.itemStart=function(e){s++,!1===a&&void 0!==i.onStart&&i.onStart(e,o,s),a=!0},this.itemEnd=function(e){o++,void 0!==i.onProgress&&i.onProgress(e,o,s),o===s&&(a=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(e){void 0!==i.onError&&i.onError(e)},this.resolveURL=function(e){return l?l(e):e},this.setURLModifier=function(e){return l=e,this},this.addHandler=function(e,t){return u.push(e,t),this},this.removeHandler=function(e){var t=u.indexOf(e);return-1!==t&&u.splice(t,2),this},this.getHandler=function(e){for(var t=0,n=u.length;t<n;t+=2){var r=u[t],i=u[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return i}return null}},Py=function(){function t(e){Tl(this,t),this.manager=void 0!==e?e:Ry,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return Ll(t,[{key:"load",value:function(){}},{key:"loadAsync",value:function(n,r){var i=this;return new Promise(function(e,t){i.load(n,e,r,t)})}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),t}(),Ay={},Oy=function(){Rl(n,Py);var t=Ul(n);function n(e){return Tl(this,n),t.call(this,e)}return Ll(n,[{key:"load",value:function(u,e,t,n){void 0===u&&(u=""),void 0!==this.path&&(u=this.path+u),u=this.manager.resolveURL(u);var c=this,r=Cy.get(u);if(void 0!==r)return c.manager.itemStart(u),setTimeout(function(){e&&e(r),c.manager.itemEnd(u)},0),r;if(void 0===Ay[u]){var i,a=u.match(/^data:(.*?)(;base64)?,(.*)$/);if(a){var o=a[1],s=!!a[2],l=a[3];l=decodeURIComponent(l),s&&(l=atob(l));try{var f,d=(this.responseType||"").toLowerCase();switch(d){case"arraybuffer":case"blob":for(var h=new Uint8Array(l.length),p=0;p<l.length;p++)h[p]=l.charCodeAt(p);f="blob"===d?new Blob([h.buffer],{type:o}):h.buffer;break;case"document":var v=new 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i=this,a=Cy.get(t);if(void 0!==a)return i.manager.itemStart(t),setTimeout(function(){e&&e(a),i.manager.itemEnd(t)},0),a;var o=Zf("img");function s(){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),Cy.add(t,this),e&&e(this),i.manager.itemEnd(t)}function l(e){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),r&&r(e),i.manager.itemError(t),i.manager.itemEnd(t)}return o.addEventListener("load",s,!1),o.addEventListener("error",l,!1),"data:"!==t.substr(0,5)&&void 0!==this.crossOrigin&&(o.crossOrigin=this.crossOrigin),i.manager.itemStart(t),o.src=t,o}}]),n}(),Dy=function(){Rl(n,Py);var t=Ul(n);function n(e){return Tl(this,n),t.call(this,e)}return Ll(n,[{key:"load",value:function(e,n,t,r){var i=new vp,a=new Ny(this.manager);a.setCrossOrigin(this.crossOrigin),a.setPath(this.path);var o=0;function s(t){a.load(e[t],function(e){i.images[t]=e,6===++o&&(i.needsUpdate=!0,n&&n(i))},void 0,r)}for(var l=0;l<e.length;++l)s(l);return i}}]),n}(),Iy=function(){Rl(n,Py);var t=Ul(n);function n(e){return Tl(this,n),t.call(this,e)}return Ll(n,[{key:"load",value:function(e,t,n,r){var i=new Qf,a=new Ny(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(e,function(e){i.image=e,i.needsUpdate=!0,void 0!==t&&t(i)},n,r),i}}]),n}(),zy=function(){Rl(i,oh);var r=Ul(i);function i(e){var t,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1;return Tl(this,i),(t=r.call(this)).type="Light",t.color=new Th(e),t.intensity=n,t}return Ll(i,[{key:"dispose",value:function(){}},{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.color.copy(e.color),this.intensity=e.intensity,this}},{key:"toJSON",value:function(e){var t=Bl(Pl(i.prototype),"toJSON",this).call(this,e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}]),i}();zy.prototype.isLight=!0;var Fy=new Dd,Uy=new id,By=new id,Hy=function(){function t(e){Tl(this,t),this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new jf(512,512),this.map=null,this.mapPass=null,this.matrix=new Dd,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Sp,this._frameExtents=new jf(1,1),this._viewportCount=1,this._viewports=[new ed(0,0,1,1)]}return Ll(t,[{key:"getViewportCount",value:function(){return this._viewportCount}},{key:"getFrustum",value:function(){return this._frustum}},{key:"updateMatrices",value:function(e){var t=this.camera,n=this.matrix;Uy.setFromMatrixPosition(e.matrixWorld),t.position.copy(Uy),By.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(By),t.updateMatrixWorld(),Fy.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Fy),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(t.projectionMatrix),n.multiply(t.matrixWorldInverse)}},{key:"getViewport",value:function(e){return this._viewports[e]}},{key:"getFrameExtents",value:function(){return this._frameExtents}},{key:"dispose",value:function(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}},{key:"copy",value:function(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"toJSON",value:function(){var e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}]),t}(),Gy=function(){Rl(t,Hy);var e=Ul(t);function t(){return Tl(this,t),e.call(this,new Ip(-5,5,5,-5,.5,500))}return t}();Gy.prototype.isDirectionalLightShadow=!0;var Vy=function(){Rl(i,zy);var r=Ul(i);function i(e,t){var n;return Tl(this,i),(n=r.call(this,e,t)).type="DirectionalLight",n.position.copy(oh.DefaultUp),n.updateMatrix(),n.target=new oh,n.shadow=new Gy,n}return Ll(i,[{key:"dispose",value:function(){this.shadow.dispose()}},{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}]),i}();Vy.prototype.isDirectionalLight=!0;var Wy=function(){Rl(i,zy);var r=Ul(i);function i(e,t){var n;return Tl(this,i),(n=r.call(this,e,t)).type="AmbientLight",n}return i}();Wy.prototype.isAmbientLight=!0;var jy=function(){function t(){Tl(this,t),this.coefficients=[];for(var e=0;e<9;e++)this.coefficients.push(new id)}return Ll(t,[{key:"set",value:function(e){for(var t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}},{key:"zero",value:function(){for(var e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}},{key:"getAt",value:function(e,t){var n=e.x,r=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*r),t.addScaledVector(a[2],.488603*i),t.addScaledVector(a[3],.488603*n),t.addScaledVector(a[4],n*r*1.092548),t.addScaledVector(a[5],r*i*1.092548),t.addScaledVector(a[6],.315392*(3*i*i-1)),t.addScaledVector(a[7],n*i*1.092548),t.addScaledVector(a[8],.546274*(n*n-r*r)),t}},{key:"getIrradianceAt",value:function(e,t){var n=e.x,r=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],1.023328*r),t.addScaledVector(a[2],1.023328*i),t.addScaledVector(a[3],1.023328*n),t.addScaledVector(a[4],.858086*n*r),t.addScaledVector(a[5],.858086*r*i),t.addScaledVector(a[6],.743125*i*i-.247708),t.addScaledVector(a[7],.858086*n*i),t.addScaledVector(a[8],.429043*(n*n-r*r)),t}},{key:"add",value:function(e){for(var t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}},{key:"addScaledSH",value:function(e,t){for(var n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}},{key:"scale",value:function(e){for(var t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}},{key:"lerp",value:function(e,t){for(var n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}},{key:"equals",value:function(e){for(var t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}},{key:"copy",value:function(e){return this.set(e.coefficients)}},{key:"clone",value:function(){return(new this.constructor).copy(this)}},{key:"fromArray",value:function(e,t){for(var n=1<arguments.length&&void 0!==t?t:0,r=this.coefficients,i=0;i<9;i++)r[i].fromArray(e,n+3*i);return this}},{key:"toArray",value:function(e,t){for(var n=0<arguments.length&&void 0!==e?e:[],r=1<arguments.length&&void 0!==t?t:0,i=this.coefficients,a=0;a<9;a++)i[a].toArray(n,r+3*a);return n}}],[{key:"getBasisAt",value:function(e,t){var n=e.x,r=e.y,i=e.z;t[0]=.282095,t[1]=.488603*r,t[2]=.488603*i,t[3]=.488603*n,t[4]=1.092548*n*r,t[5]=1.092548*r*i,t[6]=.315392*(3*i*i-1),t[7]=1.092548*n*i,t[8]=.546274*(n*n-r*r)}}]),t}();jy.prototype.isSphericalHarmonics3=!0,function(){Rl(i,zy);var r=Ul(i);function i(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:new jy,n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:1;return Tl(this,i),(e=r.call(this,void 0,n)).sh=t,e}return Ll(i,[{key:"copy",value:function(e){return Bl(Pl(i.prototype),"copy",this).call(this,e),this.sh.copy(e.sh),this}},{key:"fromJSON",value:function(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}},{key:"toJSON",value:function(e){var t=Bl(Pl(i.prototype),"toJSON",this).call(this,e);return t.object.sh=this.sh.toArray(),t}}]),i}().prototype.isLightProbe=!0;var qy,Xy=function(){function e(){Tl(this,e)}return Ll(e,null,[{key:"decodeText",value:function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",n=0,r=e.length;n<r;n++)t+=String.fromCharCode(e[n]);try{return decodeURIComponent(escape(t))}catch(e){return t}}},{key:"extractUrlBase",value:function(e){var t=e.lastIndexOf("/");return-1===t?"./":e.substr(0,t+1)}}]),e}(),Yy=function(){return void 0===qy&&(qy=new(window.AudioContext||window.webkitAudioContext)),qy},Zy=function(){Rl(n,Py);var t=Ul(n);function n(e){return Tl(this,n),t.call(this,e)}return Ll(n,[{key:"load",value:function(n,r,e,i){var a=this,t=new Oy(this.manager);t.setResponseType("arraybuffer"),t.setPath(this.path),t.setRequestHeader(this.requestHeader),t.setWithCredentials(this.withCredentials),t.load(n,function(e){try{var t=e.slice(0);Yy().decodeAudioData(t,function(e){r(e)})}catch(e){i?i(e):console.error(e),a.manager.itemError(n)}},e,i)}}]),n}(),Jy=function(){function t(){var e=!(0<arguments.length&&void 0!==arguments[0])||arguments[0];Tl(this,t),this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}return Ll(t,[{key:"start",value:function(){this.startTime=$y(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}},{key:"stop",value:function(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}},{key:"getElapsedTime",value:function(){return this.getDelta(),this.elapsedTime}},{key:"getDelta",value:function(){var e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){var t=$y();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}]),t}();function $y(){return("undefined"==typeof performance?Date:performance).now()}var Qy=function(){Rl(r,oh);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).type="Audio",t.listener=e,t.context=e.context,t.gain=t.context.createGain(),t.gain.connect(e.getInput()),t.autoplay=!1,t.buffer=null,t.detune=0,t.loop=!1,t.loopStart=0,t.loopEnd=0,t.offset=0,t.duration=void 0,t.playbackRate=1,t.isPlaying=!1,t.hasPlaybackControl=!0,t.source=null,t.sourceType="empty",t._startedAt=0,t._progress=0,t._connected=!1,t.filters=[],t}return Ll(r,[{key:"getOutput",value:function(){return this.gain}},{key:"setNodeSource",value:function(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}},{key:"setMediaElementSource",value:function(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}},{key:"setMediaStreamSource",value:function(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}},{key:"setBuffer",value:function(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}},{key:"play",value:function(e){var t=0<arguments.length&&void 0!==e?e:0;if(!0!==this.isPlaying){if(!1!==this.hasPlaybackControl){this._startedAt=this.context.currentTime+t;var n=this.context.createBufferSource();return n.buffer=this.buffer,n.loop=this.loop,n.loopStart=this.loopStart,n.loopEnd=this.loopEnd,n.onended=this.onEnded.bind(this),n.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=n,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.")}},{key:"pause",value: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.")}},{key:"stop",value: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.")}},{key:"connect",value:function(){if(0<this.filters.length){this.source.connect(this.filters[0]);for(var e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}},{key:"disconnect",value:function(){if(0<this.filters.length){this.source.disconnect(this.filters[0]);for(var e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}},{key:"getFilters",value:function(){return this.filters}},{key:"setFilters",value:function(e){return e||(e=[]),!0===this._connected?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}},{key:"setDetune",value:function(e){if(this.detune=e,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}},{key:"getDetune",value:function(){return this.detune}},{key:"getFilter",value:function(){return this.getFilters()[0]}},{key:"setFilter",value:function(e){return this.setFilters(e?[e]:[])}},{key:"setPlaybackRate",value:function(e){if(!1!==this.hasPlaybackControl)return this.playbackRate=e,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}},{key:"getPlaybackRate",value:function(){return this.playbackRate}},{key:"onEnded",value:function(){this.isPlaying=!1}},{key:"getLoop",value:function(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}},{key:"setLoop",value:function(e){if(!1!==this.hasPlaybackControl)return this.loop=e,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}},{key:"setLoopStart",value:function(e){return this.loopStart=e,this}},{key:"setLoopEnd",value:function(e){return this.loopEnd=e,this}},{key:"getVolume",value:function(){return this.gain.gain.value}},{key:"setVolume",value:function(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}}]),r}(),Ky="\\[\\]\\.:\\/",eb="[^"+Ky+"]",tb="[^"+Ky.replace("\\.","")+"]";/((?:WC+[\/:])*)/.source.replace("WC",eb),/(WCOD+)?/.source.replace("WCOD",tb),/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",eb),/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",eb);var nb=new Float32Array(1);new Int32Array(nb.buffer),Sg.create=function(e,t){return console.log("THREE.Curve.create() has been deprecated"),e.prototype=Object.create(Sg.prototype),(e.prototype.constructor=e).prototype.getPoint=t,e},Wg.prototype.fromPoints=function(e){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(e)},Py.prototype.extractUrlBase=function(e){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),Xy.extractUrlBase(e)},Py.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.")}},sd.prototype.center=function(e){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(e)},sd.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},sd.prototype.isIntersectionBox=function(e){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},sd.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},sd.prototype.size=function(e){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(e)},Td.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Sp.prototype.setFromMatrix=function(e){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(e)},Xf.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},Xf.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},Xf.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},Xf.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},Xf.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},Xf.prototype.getInverse=function(e){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},Dd.prototype.extractPosition=function(e){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(e)},Dd.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},Dd.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new id).setFromMatrixColumn(this,3)},Dd.prototype.setRotationFromQuaternion=function(e){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(e)},Dd.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},Dd.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Dd.prototype.multiplyVector4=function(e){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Dd.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},Dd.prototype.rotateAxis=function(e){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),e.transformDirection(this)},Dd.prototype.crossVector=function(e){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Dd.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")},Dd.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},Dd.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},Dd.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},Dd.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},Dd.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Dd.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},Dd.prototype.makeFrustum=function(e,t,n,r,i,a){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(e,t,r,n,i,a)},Dd.prototype.getInverse=function(e){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},xp.prototype.isIntersectionLine=function(e){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(e)},rd.prototype.multiplyVector3=function(e){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),e.applyQuaternion(this)},rd.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()},Nd.prototype.isIntersectionBox=function(e){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Nd.prototype.isIntersectionPlane=function(e){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(e)},Nd.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},gh.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},gh.prototype.barycoordFromPoint=function(e,t){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(e,t)},gh.prototype.midpoint=function(e){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(e)},gh.prototypenormal=function(e){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(e)},gh.prototype.plane=function(e){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(e)},gh.barycoordFromPoint=function(e,t,n,r,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),gh.getBarycoord(e,t,n,r,i)},gh.normal=function(e,t,n,r){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),gh.getNormal(e,t,n,r)},jg.prototype.extractAllPoints=function(e){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(e)},jg.prototype.extrude=function(e){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new yy(this,e)},jg.prototype.makeGeometry=function(e){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new xy(this,e)},jf.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},jf.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},jf.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},id.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},id.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},id.prototype.getPositionFromMatrix=function(e){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(e)},id.prototype.getScaleFromMatrix=function(e){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(e)},id.prototype.getColumnFromMatrix=function(e,t){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(t,e)},id.prototype.applyProjection=function(e){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(e)},id.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},id.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},id.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},ed.prototype.fromAttribute=function(e,t,n){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,n)},ed.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},oh.prototype.getChildByName=function(e){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(e)},oh.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},oh.prototype.translate=function(e,t){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(t,e)},oh.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},oh.prototype.applyMatrix=function(e){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(oh.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(e){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=e}},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.")}}}),ap.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(ap.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.")}}}),hp.prototype.setLens=function(e,t){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==t&&(this.filmGauge=t),this.setFocalLength(e)},Object.defineProperties(zy.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(e){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=e}},shadowCameraLeft:{set:function(e){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=e}},shadowCameraRight:{set:function(e){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=e}},shadowCameraTop:{set:function(e){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=e}},shadowCameraBottom:{set:function(e){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=e}},shadowCameraNear:{set:function(e){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=e}},shadowCameraFar:{set:function(e){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=e}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(e){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=e}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(e){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=e}},shadowMapHeight:{set:function(e){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=e}}}),Object.defineProperties(Rh.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===Af},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(Af)}}}),Rh.prototype.setDynamic=function(e){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?Af:Pf),this},Rh.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},Rh.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},Hh.prototype.addIndex=function(e){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(e)},Hh.prototype.addAttribute=function(e,t){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),t&&t.isBufferAttribute||t&&t.isInterleavedBufferAttribute?"index"===e?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(t),this):this.setAttribute(e,t):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(e,new Rh(t,arguments[2])))},Hh.prototype.addDrawCall=function(e,t,n){void 0!==n&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(e,t)},Hh.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},Hh.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},Hh.prototype.removeAttribute=function(e){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(e)},Hh.prototype.applyMatrix=function(e){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(Hh.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}}}),fg.prototype.setDynamic=function(e){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?Af:Pf),this},fg.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},yy.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},yy.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},yy.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")},cg.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")},Object.defineProperties(bh.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 Th}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===e}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(e){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=e}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}}),Object.defineProperties(fp.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(e){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=e}}}),lg.prototype.clearTarget=function(e,t,n,r){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(e),this.clear(t,n,r)},lg.prototype.animate=function(e){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(e)},lg.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},lg.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},lg.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},lg.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},lg.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},lg.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},lg.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},lg.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},lg.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},lg.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},lg.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},lg.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},lg.prototype.enableScissorTest=function(e){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(e)},lg.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},lg.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},lg.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},lg.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},lg.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},lg.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},lg.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},lg.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},lg.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},lg.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()},Object.defineProperties(lg.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=e}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=e}},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(e){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===e?wf:xf}},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(Qm.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(td.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=e}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=e}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=e}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=e}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(e){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=e}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(e){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=e}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(e){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=e}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(e){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=e}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(e){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=e}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(e){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=e}}}),Qy.prototype.load=function(e){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");var t=this;return(new Zy).load(e,function(e){t.setBuffer(e)}),this},pp.prototype.updateCubeMap=function(e,t){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(e,t)},pp.prototype.clear=function(e,t,n,r){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(e,t,n,r)},Jf.crossOrigin=void 0,Jf.loadTexture=function(e,t,n,r){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");var i=new Iy;i.setCrossOrigin(this.crossOrigin);var a=i.load(e,n,void 0,r);return t&&(a.mapping=t),a},Jf.loadTextureCube=function(e,t,n,r){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");var i=new Dy;i.setCrossOrigin(this.crossOrigin);var a=i.load(e,n,void 0,r);return t&&(a.mapping=t),a},Jf.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")},Jf.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:"133"}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__="133");var rb=function(e){return!isNaN(parseFloat(e))&&isFinite(e)},ib=function(e){return!(!e||"object"!==Sl(e))},ab={depth_frag:"uniform sampler2D textureMap;\nvarying vec2 vUV;\nout vec4 outColor;\nvec4 pack_depth(const in float depth) {\n    const vec4 bit_shift = vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0);\n    const vec4 bit_mask = vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);\n    vec4 res = fract(depth * bit_shift);\n    res -= res.xxyz * bit_mask;\n    return res;\n}\nvoid main() {\n    vec4 pixel = texture2D(textureMap, vUV);\n    if (pixel.a < 0.5) discard;\n    outColor = pack_depth(gl_FragCoord.z);\n}\n",depth_vert:"varying vec2 vUV;\nvoid main() {\n    vUV = 0.75 * uv;\n    vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n    gl_Position = projectionMatrix * mvPosition;\n}\n"},ob=function(){Rl(E,Hh);var M=Ul(E);function E(){var e,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:function(e,t,n){return n.set(e,t,Math.cos(e)*Math.sin(t))},n=1<arguments.length&&void 0!==arguments[1]?arguments[1]:8,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:8;Tl(this,E),(e=M.call(this)).type="ParametricGeometry",e.parameters={func:t,slices:n,stacks:r};var i=[],a=[],o=[],s=[],l=new id,u=new id,c=new id,f=new id,d=new id;t.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");for(var h=n+1,p=0;p<=r;p++)for(var v=p/r,m=0;m<=n;m++){var g=m/n;t(g,v,u),a.push(u.x,u.y,u.z),0<=g-1e-5?(t(g-1e-5,v,c),f.subVectors(u,c)):(t(1e-5+g,v,c),f.subVectors(c,u)),0<=v-1e-5?(t(g,v-1e-5,c),d.subVectors(u,c)):(t(g,1e-5+v,c),d.subVectors(c,u)),l.crossVectors(f,d).normalize(),o.push(l.x,l.y,l.z),s.push(g,v)}for(var y=0;y<r;y++)for(var b=0;b<n;b++){var x=y*h+b,w=y*h+b+1,_=(y+1)*h+b+1,S=(y+1)*h+b;i.push(x,w,S),i.push(w,_,S)}return e.setIndex(i),e.setAttribute("position",new Oh(a,3)),e.setAttribute("normal",new Oh(o,3)),e.setAttribute("uv",new Oh(s,2)),e}return E}(),sb=function(){function n(e,t){Tl(this,n),this.position=e.clone(),this.previous=e.clone(),this.original=e.clone(),this.mass=t,this.inverseMass=1/t,this.acceleration=new id,this.tmp=new id}return Ll(n,[{key:"applyForce",value:function(e){this.acceleration.addScaledVector(e,this.inverseMass)}},{key:"integrate",value:function(e){var t=this.tmp.subVectors(this.position,this.previous).multiplyScalar(.97).add(this.position).addScaledVector(this.acceleration,e);this.tmp=this.previous,this.previous=this.position,this.position=t,this.acceleration.set(0,0,0)}}]),n}(),lb=new id,ub=function(){function r(e,t,n){Tl(this,r),this.p1=e,this.p2=t,this.restDistance=n}return Ll(r,[{key:"resolve",value:function(){var e=this.p1,t=this.p2,n=this.restDistance;lb.subVectors(t.position,e.position);var r=lb.length();if(0!==r){var i=lb.multiplyScalar((1-n/r)/2);e.position.add(i),t.position.sub(i)}}}]),r}(),cb=function(){function M(n,e,t,r){Tl(this,M);for(var i=t*n,a=t*e,o=[],s=[],l=function(e,t){return o[e+t*(n+1)]},u=function(e,t,n){n.set(e*i,t*a,0)},c=new id,f=r/((e+1)*(n+1)),d=0;d<=e;d++)for(var h=0;h<=n;h++)u(h/n,d/e,c),o.push(new sb(c,f));for(var p=0;p<e;p++)for(var v=0;v<n;v++)s.push(new ub(l(v,p),l(v,p+1),t)),s.push(new ub(l(v,p),l(v+1,p),t));for(var m=n,g=0;g<e;g++)s.push(new ub(l(m,g),l(m,g+1),t));for(var y=e,b=0;b<n;b++)s.push(new ub(l(b,y),l(b+1,y),t));for(var x=Math.sqrt(t*t*2),w=0;w<e;w++)for(var _=0;_<n;_++)s.push(new ub(l(_,w),l(_+1,w+1),x)),s.push(new ub(l(_+1,w),l(_,w+1),x));var S=new ob(u,n,e);S.getAttribute("position").setUsage(35040),this.xSegments=n,this.ySegments=e,this.restDistance=t,this.width=i,this.height=a,this.particles=o,this.constraints=s,this.particleAt=l,this.geometry=S}return Ll(M,[{key:"reset",value:function(){for(var e=this.particles,t=0,n=e.length;t<n;t++){var r=e[t];r.previous.copy(r.position.copy(r.original))}}},{key:"simulate",value:function(e){for(var t=this.particles,n=this.constraints,r=e*e,i=0,a=t.length;i<a;i++)t[i].integrate(r);for(var o=0,s=n.length;o<s;o++)n[o].resolve()}},{key:"render",value:function(){for(var e=this.particles,t=this.geometry,n=t.getAttribute("position"),r=n.array,i=0,a=e.length;i<a;i++){var o=e[i].position,s=3*i;r[s]=o.x,r[1+s]=o.y,r[2+s]=o.z}n.needsUpdate=!0,t.computeVertexNormals()}}]),M}(),fb=new id,db=function(){Rl(t,ub);var e=Ul(t);function t(){return Tl(this,t),e.apply(this,arguments)}return Ll(t,[{key:"resolve",value:function(){var e=this.p1,t=this.p2,n=1.2*this.restDistance;fb.subVectors(e.position,t.position);var r=fb.length()/1.2;fb.normalize();var i=fb.multiplyScalar(r-n);n<r&&t.position.add(i)}}]),t}(),hb=function(e,t,n){for(var r=e*t,i=new Uint8Array(3*r),a=Math.floor(255*n.r),o=Math.floor(255*n.g),s=Math.floor(255*n.b),l=0;l<r;l++){var u=3*l;i[u]=a,i[1+u]=o,i[2+u]=s}return new dg(i,e,t,xc)}(1,1,new Th(16777215));var pb,vb=(pb={edges:[],spacing:1},function(e,t,n){var r=Object.assign({},pb,n),i=r.edges;if(r.spacing=function(e){return rb(e)&&1<=e?Math.floor(e):pb.spacing}(r.spacing),"string"==typeof i)mb(e,t,i,r);else if(i&&i.length)for(var a=0,o=i.length;a<o;a++)mb(e,t,i[a],r)});function mb(e,t,n,r){var i=e.xSegments,a=e.ySegments,o=e.particleAt,s=r.spacing;switch(n){case Zl.TOP:for(var l=0;l<=i;l+=s)t.push(o(l,a));break;case Zl.LEFT:for(var u=0;u<=a;u+=s)t.push(o(0,u));break;case Zl.BOTTOM:for(var c=0;c<=i;c+=s)t.push(o(c,0));break;case Zl.RIGHT:for(var f=0;f<=a;f+=s)t.push(o(i,f))}}var gb=function(){function n(e){Tl(this,n);var t=Object.assign({},n.defaults,e);this.cloth=function(e){var t=e.width,n=e.height,r=e.mass,i=n/e.granularity;return new cb(Math.round(t/i),Math.round(n/i),i,r*t*n)}(t),this.pins=[],this.lengthConstraints=[],this.mesh=function(e,t){var n=e.geometry,r=hb;t&&t.texture&&(t.texture instanceof Qf?((r=t.texture).needsUpdate=!0,r.anisotropy=16,r.minFilter=ic,r.magFilter=ic,r.wrapS=r.wrapT=Ku):console.error("FlagWaver.Flag: options.texture must be an instance of THREE.Texture.")),r.encoding=wf;var i=new _y({alphaTest:.5,color:16777215,specular:197379,shininess:.001,side:ou,map:r}),a=new ap(n,i);return a.castShadow=!0,a.customDepthMaterial=new fp({glslVersion:Of,uniforms:{textureMap:{value:r}},vertexShader:ab.depth_vert,fragmentShader:ab.depth_frag}),a}(this.cloth,t),this.mesh.position.set(0,-this.cloth.height,0),this.object=new oh,this.object.add(this.mesh),this.pin(t.pin)}return Ll(n,[{key:"destroy",value:function(){this.mesh instanceof ap&&(this.mesh.material.dispose(),this.mesh.geometry.dispose(),this.mesh.material.map.dispose(),this.mesh.customDepthMaterial.dispose())}},{key:"pin",value:function(e){vb(this.cloth,this.pins,e)}},{key:"unpin",value:function(){this.pins=[]}},{key:"setLengthConstraints",value:function(e){var t=this.cloth,n=t.xSegments,r=t.ySegments,i=t.restDistance,a=t.particleAt,o=[];if(e===Zl.LEFT)for(var s=0;s<=r;s++)for(var l=0;l<n;l++)o.push(new db(a(l,s),a(l+1,s),i));else if(e===Zl.TOP)for(var u=0;u<=n;u++)for(var c=r;0<c;c--)o.push(new db(a(u,c),a(u,c-1),i));this.lengthConstraints=o}},{key:"reset",value:function(){this.cloth.reset()}},{key:"simulate",value:function(e){var t=this.pins,n=this.lengthConstraints;this.cloth.simulate(e);for(var r=0,i=t.length;r<i;r++){var a=t[r];a.previous.copy(a.position.copy(a.original))}for(var o=0,s=n.length;o<s;o++)n[o].resolve()}},{key:"render",value:function(){this.cloth.render()}}]),n}();function yb(e,t){for(var n=1<arguments.length&&void 0!==t&&t,r=null!==e[0].index,i=new Set(Object.keys(e[0].attributes)),a=new Set(Object.keys(e[0].morphAttributes)),o={},s={},l=e[0].morphTargetsRelative,u=new Hh,c=0,f=0;f<e.length;++f){var d=e[f],h=0;if(r!=(null!==d.index))return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+". All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them."),null;for(var p in d.attributes){if(!i.has(p))return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+'. All geometries must have compatible attributes; make sure "'+p+'" attribute exists among all geometries, or in none of them.'),null;void 0===o[p]&&(o[p]=[]),o[p].push(d.attributes[p]),h++}if(h!==i.size)return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+". Make sure all geometries have the same number of attributes."),null;if(l!==d.morphTargetsRelative)return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+". .morphTargetsRelative must be consistent throughout all geometries."),null;for(var v in d.morphAttributes){if(!a.has(v))return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+".  .morphAttributes must be consistent throughout all geometries."),null;void 0===s[v]&&(s[v]=[]),s[v].push(d.morphAttributes[v])}if(u.userData.mergedUserData=u.userData.mergedUserData||[],u.userData.mergedUserData.push(d.userData),n){var m=void 0;if(r)m=d.index.count;else{if(void 0===d.attributes.position)return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index "+f+". The geometry must have either an index or a position attribute"),null;m=d.attributes.position.count}u.addGroup(c,m,f),c+=m}}if(r){for(var g=0,y=[],b=0;b<e.length;++b){for(var x=e[b].index,w=0;w<x.count;++w)y.push(x.getX(w)+g);g+=e[b].attributes.position.count}u.setIndex(y)}for(var _ in o){var S=bb(o[_]);if(!S)return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the "+_+" attribute."),null;u.setAttribute(_,S)}for(var M in s){var E=s[M][0].length;if(0===E)break;u.morphAttributes=u.morphAttributes||{},u.morphAttributes[M]=[];for(var T=0;T<E;++T){for(var k=[],L=0;L<s[M].length;++L)k.push(s[M][L][T]);var C=bb(k);if(!C)return console.error("THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the "+M+" morphAttribute."),null;u.morphAttributes[M].push(C)}}return u}function bb(e){for(var t,n,r,i=0,a=0;a<e.length;++a){var o=e[a];if(o.isInterleavedBufferAttribute)return console.error("THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. InterleavedBufferAttributes are not supported."),null;if(void 0===t&&(t=o.array.constructor),t!==o.array.constructor)return console.error("THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes."),null;if(void 0===n&&(n=o.itemSize),n!==o.itemSize)return console.error("THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes."),null;if(void 0===r&&(r=o.normalized),r!==o.normalized)return console.error("THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes."),null;i+=o.array.length}for(var s=new t(i),l=0,u=0;u<e.length;++u)s.set(e[u].array,l),l+=e[u].array.length;return new Rh(s,n,r)}function xb(e){var t=e.poleWidth/2,n=e.poleLength,r=e.poleCapSize/2,i=new _g(t,t,n);i.translate(0,e.poleLength/2,0);var a=new _g(r,r,r);return a.translate(0,n+r/2,0),yb([i,a])}Cl(gb,"defaults",{width:1.8,height:1.2,mass:.11,granularity:10,rigidness:1,texture:hb,pin:{edges:[Zl.LEFT]}});var wb,_b=function(){function a(e){Tl(this,a);var t=Object.assign({},this.constructor.defaults,e),n=this.buildGeometry(t),r=new _y({color:6974058,specular:16777215,shininess:18}),i=new ap(n,r);i.receiveShadow=!0,i.castShadow=!0,this.top=new id(0,t.poleLength,0),this.mesh=i,this.object=this.mesh}return Ll(a,[{key:"destroy",value:function(){this.mesh instanceof ap&&(this.mesh.material.dispose(),this.mesh.geometry.dispose())}},{key:"buildGeometry",value:function(e){return xb(e)}},{key:"addFlag",value:function(e){e.unpin(),e.pin({edges:[Zl.LEFT]}),e.setLengthConstraints(Zl.LEFT),e.object.position.add(this.top)}}]),a}();Cl(_b,"defaults",((wb={}).flagpoleType=Jl.VERTICAL,wb.poleWidth=.076,wb.poleLength=6,wb.poleCapSize=4*wb.poleWidth/3,wb.crossbarWidth=2*wb.poleWidth/3,wb.crossbarLength=1.2,wb.crossbarCapSize=3*wb.crossbarWidth/2,wb.poleTopOffset=.1,wb));var Sb=function(){function i(e){Tl(this,i);var t=Object.assign({},e),n=t.flagpole,r=t.flag;this.flagpole=n||new _b,this.flag=r||new gb,this.flagpole.addFlag(this.flag,0),this.object=new oh,this.object.add(this.flagpole.object),this.object.add(this.flag.object)}return Ll(i,[{key:"destroy",value:function(){this.destroyChildSubject(this.flagpole),this.destroyChildSubject(this.flag)}},{key:"destroyChildSubject",value:function(e){e&&(this.object.remove(e.object),e.destroy())}},{key:"reset",value:function(){this.flag.reset()}},{key:"simulate",value:function(e){this.flag.simulate(e)}},{key:"render",value:function(){this.flag.render()}}]),i}(),Mb={noEffect:function(e){return e},blowFromLeftDirection:function(e,t){return e.set(2e3,0,1e3)},rotatingDirection:function(e,t){return e.set(Math.sin(t/2e3),Math.cos(t/3e3),Math.sin(t/1e3))},constantSpeed:function(e,t){return e},variableSpeed:function(e,t){return e*(1+.25*Math.cos(t/7e3))}};var Eb=function(){function n(e){Tl(this,n);var t=Object.assign({},this.constructor.defaults,e);this.direction=t.direction,this.speed=t.speed,this.directionFn=t.directionFn,this.speedFn=t.speedFn,this.pressure=new id}return Ll(n,[{key:"update",value:function(){var e=Date.now();this.directionFn(function(e){return 0===e.x&&(e.x=.001),0===e.y&&(e.y=.001),0===e.z&&(e.z=.001),e}(this.pressure.copy(this.direction)),e).normalize().multiplyScalar(function(e){return.6125*e*e}(this.speedFn(function(e){return 0===e?.001:e}(this.speed),e)))}}]),n}();Cl(Eb,"defaults",{direction:new id(1,0,0),speed:10,directionFn:Mb.blowFromLeftDirection,speedFn:Mb.constantSpeed});var Tb=function(){Rl(i,_b);var r=Ul(i);function i(e){var t;Tl(this,i),t=r.call(this,e);var n=Object.assign({},t.constructor.defaults,e);return t.top.set(0,n.poleLength-n.poleTopOffset,n.poleWidth/2+n.crossbarWidth/2),t.verticalHoisting=n.verticalHoisting,t}return Ll(i,[{key:"buildGeometry",value:function(e){return function(e){var t=xb(e),n=e.poleWidth/2,r=e.poleLength,i=e.crossbarWidth/2,a=e.crossbarLength,o=e.crossbarCapSize/2,s=e.poleTopOffset,l=new _g(i,i,a);l.rotateZ(Math.PI/2);var u=new _g(o,o,o),c=u.clone();return u.rotateZ(Math.PI/2),u.translate(-a/2,0,0),c.rotateZ(-Math.PI/2),c.translate(a/2,0,0),l.translate(0,r-s,n+i),yb([t,l,u,c])}(e)}},{key:"addFlag",value:function(e){switch(e.unpin(),this.verticalHoisting){case $l.NONE:e.pin({edges:[Zl.TOP]}),e.setLengthConstraints(Zl.TOP),e.object.position.add(this.top),e.object.position.x=-e.cloth.width/2;break;case $l.TOP_LEFT:e.pin({edges:[Zl.LEFT]}),e.setLengthConstraints(Zl.LEFT),e.object.position.add(this.top),e.object.position.x=-e.cloth.height/2,e.object.rotateZ(3*Math.PI/2),e.object.rotateX(Math.PI);break;case $l.TOP_RIGHT:default:e.pin({edges:[Zl.LEFT]}),e.setLengthConstraints(Zl.LEFT),e.object.position.add(this.top),e.object.position.x=e.cloth.height/2,e.object.rotateZ(3*Math.PI/2)}}}]),i}(),kb=function(){Rl(t,_b);var e=Ul(t);function t(){return Tl(this,t),e.apply(this,arguments)}return Ll(t,[{key:"buildGeometry",value:function(e){return function(e){var t=xb(e),n=e.poleLength,r=e.poleCapSize/2,i=e.crossbarWidth/2,a=e.crossbarLength,o=new _g(i,i,a);return o.rotateZ(Math.PI/2),o.translate(a/2,n+r-i,0),yb([t,o])}(e)}},{key:"addFlag",value:function(e){e.unpin(),e.pin({edges:[Zl.LEFT,Zl.TOP]}),e.setLengthConstraints(Zl.LEFT),e.object.position.add(this.top)}}]),t}(),Lb=new id(0,0,1),Cb=function(){Rl(r,_b);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this,e)).top.applyAxisAngle(Lb,3*Math.PI/2),t}return Ll(r,[{key:"buildGeometry",value:function(e){var t=xb(e);return t.rotateZ(3*Math.PI/2),t}},{key:"addFlag",value:function(e){e.unpin(),e.pin({edges:[Zl.LEFT]}),e.setLengthConstraints(Zl.LEFT),e.object.position.add(this.top),e.object.rotateZ(3*Math.PI/2)}}]),r}(),Rb=new id(0,0,1),Pb=function(){Rl(r,_b);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this,e)).top.applyAxisAngle(Rb,7*Math.PI/4),t}return Ll(r,[{key:"buildGeometry",value:function(e){var t=xb(e);return 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Vb=function(){Rl(r,Fb);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).subject=new Sb(Object.assign({},Sb.defaults,e)),t.app=null,t}return Ll(r,[{key:"init",value:function(e){this.app=e,this.app.scene.add(this.subject.object)}},{key:"deinit",value:function(){this.app.scene.remove(this.subject.object),this.subject.destroy()}},{key:"reset",value:function(){this.subject.reset(),this.subject.render()}},{key:"update",value:function(e){this.subject.simulate(e),this.subject.render()}}]),r}();Cl(Vb,"displayName","flagGroupModule");var Wb=function(){Rl(i,Fb);var r=Ul(i);function i(e,t){var n;return Tl(this,i),(n=r.call(this)).updateFn=e,n.onNeedsUpdate=t||function(){},n.needsUpdate=!1,n}return Ll(i,[{key:"update",value:function(e){this.needsUpdate&&(this.onNeedsUpdate(),this.needsUpdate=!1),this.updateFn(e)}}]),i}();Cl(Wb,"displayName","processModule");var jb=function(){Rl(r,Fb);var n=Ul(r);function r(e){var t;return Tl(this,r),(t=n.call(this)).subject=new 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