// Version 1.73.3 3d-force-graph - https://github.com/vasturiano/3d-force-graph
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Nt(){const t=Dt("canvas");return t.style.display="block",t}const It={};const Ut=(new Pt).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),Ft=(new Pt).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),kt={[it]:{transfer:ot,primaries:lt,toReference:t=>t,fromReference:t=>t},[nt]:{transfer:st,primaries:lt,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[at]:{transfer:ot,primaries:ct,toReference:t=>t.applyMatrix3(Ft),fromReference:t=>t.applyMatrix3(Ut)},[rt]:{transfer:st,primaries:ct,toReference:t=>t.convertSRGBToLinear().applyMatrix3(Ft),fromReference:t=>t.applyMatrix3(Ut).convertLinearToSRGB()}},zt=new Set([it,at]),Bt={enabled:!0,_workingColorSpace:it,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!zt.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=kt[e].toReference;return(0,kt[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return kt[t].primaries},getTransfer:function(t){return t===et?ot:kt[t].transfer}};function Ht(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Gt(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vt;class jt{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===Vt&&(Vt=Dt("canvas")),Vt.width=t.width,Vt.height=t.height;const n=Vt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Vt}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Dt("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*Ht(r[t]/255);return n.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ht(e[t]/255)):e[t]=Ht(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Wt=0;class Xt{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Wt++}),this.uuid=xt(),this.data=t,this.dataReady=!0,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(qt(i[e].image)):t.push(qt(i[e]))}else t=qt(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function qt(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?jt.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Yt=0;class $t extends mt{constructor(t=$t.DEFAULT_IMAGE,e=$t.DEFAULT_MAPPING,n=1001,i=1001,r=1006,a=1008,o=1023,s=1009,l=$t.DEFAULT_ANISOTROPY,c=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Yt++}),this.uuid=xt(),this.name="",this.source=new Xt(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=s,this.offset=new Ct(0,0),this.repeat=new Ct(1,1),this.center=new Ct(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Pt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=c,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case O:t.x=t.x-Math.floor(t.x);break;case D:t.x=t.x<0?0:1;break;case N:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case O:t.y=t.y-Math.floor(t.y);break;case D:t.y=t.y<0?0:1;break;case N:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}}$t.DEFAULT_IMAGE=null,$t.DEFAULT_MAPPING=300,$t.DEFAULT_ANISOTROPY=1;class Kt{constructor(t=0,e=0,n=0,i=1){Kt.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*e+a[7]*n+a[11]*i+a[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const a=.01,o=.1,s=t.elements,l=s[0],c=s[4],u=s[8],h=s[1],d=s[5],p=s[9],f=s[2],m=s[6],g=s[10];if(Math.abs(c-h)<a&&Math.abs(u-f)<a&&Math.abs(p-m)<a){if(Math.abs(c+h)<o&&Math.abs(u+f)<o&&Math.abs(p+m)<o&&Math.abs(l+d+g-3)<o)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,s=(d+1)/2,v=(g+1)/2,_=(c+h)/4,y=(u+f)/4,x=(p+m)/4;return t>s&&t>v?t<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=_/n,r=y/n):s>v?s<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(s),n=_/i,r=x/i):v<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=y/r,i=x/r),this.set(n,i,r,e),this}let v=Math.sqrt((m-p)*(m-p)+(u-f)*(u-f)+(h-c)*(h-c));return Math.abs(v)<.001&&(v=1),this.x=(m-p)/v,this.y=(u-f)/v,this.z=(h-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){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}ceil(){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}round(){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}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Zt extends mt{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new Kt(0,0,t,e),this.scissorTest=!1,this.viewport=new Kt(0,0,t,e);const i={width:t,height:e,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:F,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0,count:1},n);const r=new $t(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);r.flipY=!1,r.generateMipmaps=n.generateMipmaps,r.internalFormat=n.internalFormat,this.textures=[];const a=n.count;for(let t=0;t<a;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.textures.length;i<r;i++)this.textures[i].image.width=t,this.textures[i].image.height=e,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,n=t.textures.length;e<n;e++)this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new Xt(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Jt extends Zt{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class Qt extends $t{constructor(t=null,e=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=I,this.minFilter=I,this.wrapR=D,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class te extends $t{constructor(t=null,e=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=I,this.minFilter=I,this.wrapR=D,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class ee{constructor(t=0,e=0,n=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=i}static slerpFlat(t,e,n,i,r,a,o){let s=n[i+0],l=n[i+1],c=n[i+2],u=n[i+3];const h=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===o)return t[e+0]=s,t[e+1]=l,t[e+2]=c,void(t[e+3]=u);if(1===o)return t[e+0]=h,t[e+1]=d,t[e+2]=p,void(t[e+3]=f);if(u!==f||s!==h||l!==d||c!==p){let t=1-o;const e=s*h+l*d+c*p+u*f,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,e*n);t=Math.sin(t*a)/r,o=Math.sin(o*a)/r}const r=o*n;if(s=s*t+h*r,l=l*t+d*r,c=c*t+p*r,u=u*t+f*r,t===1-o){const t=1/Math.sqrt(s*s+l*l+c*c+u*u);s*=t,l*=t,c*=t,u*=t}}t[e]=s,t[e+1]=l,t[e+2]=c,t[e+3]=u}static multiplyQuaternionsFlat(t,e,n,i,r,a){const o=n[i],s=n[i+1],l=n[i+2],c=n[i+3],u=r[a],h=r[a+1],d=r[a+2],p=r[a+3];return t[e]=o*p+c*u+s*d-l*h,t[e+1]=s*p+c*h+l*u-o*d,t[e+2]=l*p+c*d+o*h-s*u,t[e+3]=c*p-o*u-s*h-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,a=t._order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(i/2),u=o(r/2),h=s(n/2),d=s(i/2),p=s(r/2);switch(a){case"XYZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"YXZ":this._x=h*c*u+l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"ZXY":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u-h*d*p;break;case"ZYX":this._x=h*c*u-l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u+h*d*p;break;case"YZX":this._x=h*c*u+l*d*p,this._y=l*d*u+h*c*p,this._z=l*c*p-h*d*u,this._w=l*c*u-h*d*p;break;case"XZY":this._x=h*c*u-l*d*p,this._y=l*d*u-h*c*p,this._z=l*c*p+h*d*u,this._w=l*c*u+h*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],a=e[1],o=e[5],s=e[9],l=e[2],c=e[6],u=e[10],h=n+o+u;if(h>0){const t=.5/Math.sqrt(h+1);this._w=.25/t,this._x=(c-s)*t,this._y=(r-l)*t,this._z=(a-i)*t}else if(n>o&&n>u){const t=2*Math.sqrt(1+n-o-u);this._w=(c-s)/t,this._x=.25*t,this._y=(i+a)/t,this._z=(r+l)/t}else if(o>u){const t=2*Math.sqrt(1+o-n-u);this._w=(r-l)/t,this._x=(i+a)/t,this._y=.25*t,this._z=(s+c)/t}else{const t=2*Math.sqrt(1+u-n-o);this._w=(a-i)/t,this._x=(r+l)/t,this._y=(s+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(bt(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,a=t._w,o=e._x,s=e._y,l=e._z,c=e._w;return this._x=n*c+a*o+i*l-r*s,this._y=i*c+a*s+r*o-n*l,this._z=r*c+a*l+n*s-i*o,this._w=a*c-n*o-i*s-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,a=this._w;let o=a*t._w+n*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const s=1-o*o;if(s<=Number.EPSILON){const t=1-e;return this._w=t*a+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(s),c=Math.atan2(l,o),u=Math.sin((1-e)*c)/l,h=Math.sin(e*c)/l;return this._w=a*u+this._w*h,this._x=n*u+this._x*h,this._y=i*u+this._y*h,this._z=r*u+this._z*h,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class ne{constructor(t=0,e=0,n=0){ne.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(re.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(re.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,a=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,a=t.y,o=t.z,s=t.w,l=2*(a*i-o*n),c=2*(o*e-r*i),u=2*(r*n-a*e);return this.x=e+s*l+a*u-o*c,this.y=n+s*c+o*l-r*u,this.z=i+s*u+r*c-a*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,a=e.x,o=e.y,s=e.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return ie.copy(this).projectOnVector(t),this.sub(ie)}reflect(t){return this.sub(ie.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(bt(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const ie=new ne,re=new ee;class ae{constructor(t=new ne(1/0,1/0,1/0),e=new ne(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e+=3)this.expandByPoint(se.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(se.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=se.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(void 0!==n){const i=n.getAttribute("position");if(!0===e&&void 0!==i&&!0!==t.isInstancedMesh)for(let e=0,n=i.count;e<n;e++)!0===t.isMesh?t.getVertexPosition(e,se):se.fromBufferAttribute(i,e),se.applyMatrix4(t.matrixWorld),this.expandByPoint(se);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),le.copy(t.boundingBox)):(null===n.boundingBox&&n.computeBoundingBox(),le.copy(n.boundingBox)),le.applyMatrix4(t.matrixWorld),this.union(le)}const i=t.children;for(let t=0,n=i.length;t<n;t++)this.expandByObject(i[t],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,se),se.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(me),ge.subVectors(this.max,me),ce.subVectors(t.a,me),ue.subVectors(t.b,me),he.subVectors(t.c,me),de.subVectors(ue,ce),pe.subVectors(he,ue),fe.subVectors(ce,he);let e=[0,-de.z,de.y,0,-pe.z,pe.y,0,-fe.z,fe.y,de.z,0,-de.x,pe.z,0,-pe.x,fe.z,0,-fe.x,-de.y,de.x,0,-pe.y,pe.x,0,-fe.y,fe.x,0];return!!ye(e,ce,ue,he,ge)&&(e=[1,0,0,0,1,0,0,0,1],!!ye(e,ce,ue,he,ge)&&(ve.crossVectors(de,pe),e=[ve.x,ve.y,ve.z],ye(e,ce,ue,he,ge)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,se).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(se).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(oe[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),oe[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),oe[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),oe[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),oe[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),oe[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),oe[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),oe[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(oe)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const oe=[new ne,new ne,new ne,new ne,new ne,new ne,new ne,new ne],se=new ne,le=new ae,ce=new ne,ue=new ne,he=new ne,de=new ne,pe=new ne,fe=new ne,me=new ne,ge=new ne,ve=new ne,_e=new ne;function ye(t,e,n,i,r){for(let a=0,o=t.length-3;a<=o;a+=3){_e.fromArray(t,a);const o=r.x*Math.abs(_e.x)+r.y*Math.abs(_e.y)+r.z*Math.abs(_e.z),s=e.dot(_e),l=n.dot(_e),c=i.dot(_e);if(Math.max(-Math.max(s,l,c),Math.min(s,l,c))>o)return!1}return!0}const xe=new ae,be=new ne,Me=new ne;class Se{constructor(t=new ne,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):xe.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;be.subVectors(t,this.center);const e=be.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(be,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Me.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(be.copy(t.center).add(Me)),this.expandByPoint(be.copy(t.center).sub(Me))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Ee=new ne,we=new ne,Te=new ne,Ae=new ne,Re=new ne,Ce=new ne,Pe=new ne;class Le{constructor(t=new ne,e=new ne(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Ee)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Ee.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Ee.copy(this.origin).addScaledVector(this.direction,e),Ee.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){we.copy(t).add(e).multiplyScalar(.5),Te.copy(e).sub(t).normalize(),Ae.copy(this.origin).sub(we);const r=.5*t.distanceTo(e),a=-this.direction.dot(Te),o=Ae.dot(this.direction),s=-Ae.dot(Te),l=Ae.lengthSq(),c=Math.abs(1-a*a);let u,h,d,p;if(c>0)if(u=a*s-o,h=a*o-s,p=r*c,u>=0)if(h>=-p)if(h<=p){const t=1/c;u*=t,h*=t,d=u*(u+a*h+2*o)+h*(a*u+h+2*s)+l}else h=r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h=-r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;else h<=-p?(u=Math.max(0,-(-a*r+o)),h=u>0?-r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l):h<=p?(u=0,h=Math.min(Math.max(-r,-s),r),d=h*(h+2*s)+l):(u=Math.max(0,-(a*r+o)),h=u>0?r:Math.min(Math.max(-r,-s),r),d=-u*u+h*(h+2*s)+l);else h=a>0?-r:r,u=Math.max(0,-(a*h+o)),d=-u*u+h*(h+2*s)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(we).addScaledVector(Te,h),d}intersectSphere(t,e){Ee.subVectors(t.center,this.origin);const n=Ee.dot(this.direction),i=Ee.dot(Ee)-n*n,r=t.radius*t.radius;if(i>r)return null;const a=Math.sqrt(r-i),o=n-a,s=n+a;return s<0?null:o<0?this.at(s,e):this.at(o,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,a,o,s;const l=1/this.direction.x,c=1/this.direction.y,u=1/this.direction.z,h=this.origin;return l>=0?(n=(t.min.x-h.x)*l,i=(t.max.x-h.x)*l):(n=(t.max.x-h.x)*l,i=(t.min.x-h.x)*l),c>=0?(r=(t.min.y-h.y)*c,a=(t.max.y-h.y)*c):(r=(t.max.y-h.y)*c,a=(t.min.y-h.y)*c),n>a||r>i?null:((r>n||isNaN(n))&&(n=r),(a<i||isNaN(i))&&(i=a),u>=0?(o=(t.min.z-h.z)*u,s=(t.max.z-h.z)*u):(o=(t.max.z-h.z)*u,s=(t.min.z-h.z)*u),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s<i||i!=i)&&(i=s),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Ee)}intersectTriangle(t,e,n,i,r){Re.subVectors(e,t),Ce.subVectors(n,t),Pe.crossVectors(Re,Ce);let a,o=this.direction.dot(Pe);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Ae.subVectors(this.origin,t);const s=a*this.direction.dot(Ce.crossVectors(Ae,Ce));if(s<0)return null;const l=a*this.direction.dot(Re.cross(Ae));if(l<0)return null;if(s+l>o)return null;const c=-a*Ae.dot(Pe);return c<0?null:this.at(c/o,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Oe{constructor(t,e,n,i,r,a,o,s,l,c,u,h,d,p,f,m){Oe.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,a,o,s,l,c,u,h,d,p,f,m)}set(t,e,n,i,r,a,o,s,l,c,u,h,d,p,f,m){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=u,g[14]=h,g[3]=d,g[7]=p,g[11]=f,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Oe).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/De.setFromMatrixColumn(t,0).length(),r=1/De.setFromMatrixColumn(t,1).length(),a=1/De.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),l=Math.sin(i),c=Math.cos(r),u=Math.sin(r);if("XYZ"===t.order){const t=a*c,n=a*u,i=o*c,r=o*u;e[0]=s*c,e[4]=-s*u,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-o*s,e[2]=r-t*l,e[6]=i+n*l,e[10]=a*s}else if("YXZ"===t.order){const t=s*c,n=s*u,i=l*c,r=l*u;e[0]=t+r*o,e[4]=i*o-n,e[8]=a*l,e[1]=a*u,e[5]=a*c,e[9]=-o,e[2]=n*o-i,e[6]=r+t*o,e[10]=a*s}else if("ZXY"===t.order){const t=s*c,n=s*u,i=l*c,r=l*u;e[0]=t-r*o,e[4]=-a*u,e[8]=i+n*o,e[1]=n+i*o,e[5]=a*c,e[9]=r-t*o,e[2]=-a*l,e[6]=o,e[10]=a*s}else if("ZYX"===t.order){const t=a*c,n=a*u,i=o*c,r=o*u;e[0]=s*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=s*u,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=o*s,e[10]=a*s}else if("YZX"===t.order){const t=a*s,n=a*l,i=o*s,r=o*l;e[0]=s*c,e[4]=r-t*u,e[8]=i*u+n,e[1]=u,e[5]=a*c,e[9]=-o*c,e[2]=-l*c,e[6]=n*u+i,e[10]=t-r*u}else if("XZY"===t.order){const t=a*s,n=a*l,i=o*s,r=o*l;e[0]=s*c,e[4]=-u,e[8]=l*c,e[1]=t*u+r,e[5]=a*c,e[9]=n*u-i,e[2]=i*u-n,e[6]=o*c,e[10]=r*u+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(Ie,t,Ue)}lookAt(t,e,n){const i=this.elements;return ze.subVectors(t,e),0===ze.lengthSq()&&(ze.z=1),ze.normalize(),Fe.crossVectors(n,ze),0===Fe.lengthSq()&&(1===Math.abs(n.z)?ze.x+=1e-4:ze.z+=1e-4,ze.normalize(),Fe.crossVectors(n,ze)),Fe.normalize(),ke.crossVectors(ze,Fe),i[0]=Fe.x,i[4]=ke.x,i[8]=ze.x,i[1]=Fe.y,i[5]=ke.y,i[9]=ze.y,i[2]=Fe.z,i[6]=ke.z,i[10]=ze.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],u=n[5],h=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],v=n[3],_=n[7],y=n[11],x=n[15],b=i[0],M=i[4],S=i[8],E=i[12],w=i[1],T=i[5],A=i[9],R=i[13],C=i[2],P=i[6],L=i[10],O=i[14],D=i[3],N=i[7],I=i[11],U=i[15];return r[0]=a*b+o*w+s*C+l*D,r[4]=a*M+o*T+s*P+l*N,r[8]=a*S+o*A+s*L+l*I,r[12]=a*E+o*R+s*O+l*U,r[1]=c*b+u*w+h*C+d*D,r[5]=c*M+u*T+h*P+d*N,r[9]=c*S+u*A+h*L+d*I,r[13]=c*E+u*R+h*O+d*U,r[2]=p*b+f*w+m*C+g*D,r[6]=p*M+f*T+m*P+g*N,r[10]=p*S+f*A+m*L+g*I,r[14]=p*E+f*R+m*O+g*U,r[3]=v*b+_*w+y*C+x*D,r[7]=v*M+_*T+y*P+x*N,r[11]=v*S+_*A+y*L+x*I,r[15]=v*E+_*R+y*O+x*U,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],a=t[1],o=t[5],s=t[9],l=t[13],c=t[2],u=t[6],h=t[10],d=t[14];return t[3]*(+r*s*u-i*l*u-r*o*h+n*l*h+i*o*d-n*s*d)+t[7]*(+e*s*d-e*l*h+r*a*h-i*a*d+i*l*c-r*s*c)+t[11]*(+e*l*u-e*o*d-r*a*u+n*a*d+r*o*c-n*l*c)+t[15]*(-i*o*c-e*s*u+e*o*h+i*a*u-n*a*h+n*s*c)}transpose(){const t=this.elements;let e;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}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],o=t[5],s=t[6],l=t[7],c=t[8],u=t[9],h=t[10],d=t[11],p=t[12],f=t[13],m=t[14],g=t[15],v=u*m*l-f*h*l+f*s*d-o*m*d-u*s*g+o*h*g,_=p*h*l-c*m*l-p*s*d+a*m*d+c*s*g-a*h*g,y=c*f*l-p*u*l+p*o*d-a*f*d-c*o*g+a*u*g,x=p*u*s-c*f*s-p*o*h+a*f*h+c*o*m-a*u*m,b=e*v+n*_+i*y+r*x;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const M=1/b;return t[0]=v*M,t[1]=(f*h*r-u*m*r-f*i*d+n*m*d+u*i*g-n*h*g)*M,t[2]=(o*m*r-f*s*r+f*i*l-n*m*l-o*i*g+n*s*g)*M,t[3]=(u*s*r-o*h*r-u*i*l+n*h*l+o*i*d-n*s*d)*M,t[4]=_*M,t[5]=(c*m*r-p*h*r+p*i*d-e*m*d-c*i*g+e*h*g)*M,t[6]=(p*s*r-a*m*r-p*i*l+e*m*l+a*i*g-e*s*g)*M,t[7]=(a*h*r-c*s*r+c*i*l-e*h*l-a*i*d+e*s*d)*M,t[8]=y*M,t[9]=(p*u*r-c*f*r-p*n*d+e*f*d+c*n*g-e*u*g)*M,t[10]=(a*f*r-p*o*r+p*n*l-e*f*l-a*n*g+e*o*g)*M,t[11]=(c*o*r-a*u*r-c*n*l+e*u*l+a*n*d-e*o*d)*M,t[12]=x*M,t[13]=(c*f*i-p*u*i+p*n*h-e*f*h-c*n*m+e*u*m)*M,t[14]=(p*o*i-a*f*i-p*n*s+e*f*s+a*n*m-e*o*m)*M,t[15]=(a*u*i-c*o*i+c*n*s-e*u*s-a*n*h+e*o*h)*M,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,a=t.x,o=t.y,s=t.z,l=r*a,c=r*o;return this.set(l*a+n,l*o-i*s,l*s+i*o,0,l*o+i*s,c*o+n,c*s-i*a,0,l*s-i*o,c*s+i*a,r*s*s+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,a){return this.set(1,n,r,0,t,1,a,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,a=e._y,o=e._z,s=e._w,l=r+r,c=a+a,u=o+o,h=r*l,d=r*c,p=r*u,f=a*c,m=a*u,g=o*u,v=s*l,_=s*c,y=s*u,x=n.x,b=n.y,M=n.z;return i[0]=(1-(f+g))*x,i[1]=(d+y)*x,i[2]=(p-_)*x,i[3]=0,i[4]=(d-y)*b,i[5]=(1-(h+g))*b,i[6]=(m+v)*b,i[7]=0,i[8]=(p+_)*M,i[9]=(m-v)*M,i[10]=(1-(h+f))*M,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=De.set(i[0],i[1],i[2]).length();const a=De.set(i[4],i[5],i[6]).length(),o=De.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],Ne.copy(this);const s=1/r,l=1/a,c=1/o;return Ne.elements[0]*=s,Ne.elements[1]*=s,Ne.elements[2]*=s,Ne.elements[4]*=l,Ne.elements[5]*=l,Ne.elements[6]*=l,Ne.elements[8]*=c,Ne.elements[9]*=c,Ne.elements[10]*=c,e.setFromRotationMatrix(Ne),n.x=r,n.y=a,n.z=o,this}makePerspective(t,e,n,i,r,a,o=2e3){const s=this.elements,l=2*r/(e-t),c=2*r/(n-i),u=(e+t)/(e-t),h=(n+i)/(n-i);let d,p;if(o===pt)d=-(a+r)/(a-r),p=-2*a*r/(a-r);else{if(o!==ft)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);d=-a/(a-r),p=-a*r/(a-r)}return s[0]=l,s[4]=0,s[8]=u,s[12]=0,s[1]=0,s[5]=c,s[9]=h,s[13]=0,s[2]=0,s[6]=0,s[10]=d,s[14]=p,s[3]=0,s[7]=0,s[11]=-1,s[15]=0,this}makeOrthographic(t,e,n,i,r,a,o=2e3){const s=this.elements,l=1/(e-t),c=1/(n-i),u=1/(a-r),h=(e+t)*l,d=(n+i)*c;let p,f;if(o===pt)p=(a+r)*u,f=-2*u;else{if(o!==ft)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);p=r*u,f=-1*u}return s[0]=2*l,s[4]=0,s[8]=0,s[12]=-h,s[1]=0,s[5]=2*c,s[9]=0,s[13]=-d,s[2]=0,s[6]=0,s[10]=f,s[14]=-p,s[3]=0,s[7]=0,s[11]=0,s[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const De=new ne,Ne=new Oe,Ie=new ne(0,0,0),Ue=new ne(1,1,1),Fe=new ne,ke=new ne,ze=new ne,Be=new Oe,He=new ee;class Ge{constructor(t=0,e=0,n=0,i=Ge.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],a=i[4],o=i[8],s=i[1],l=i[5],c=i[9],u=i[2],h=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(bt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(h,l),this._z=0);break;case"YXZ":this._x=Math.asin(-bt(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(s,l)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(bt(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(s,r));break;case"ZYX":this._y=Math.asin(-bt(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(h,d),this._z=Math.atan2(s,r)):(this._x=0,this._z=Math.atan2(-a,l));break;case"YZX":this._z=Math.asin(bt(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-bt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(h,l),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return Be.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Be,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return He.setFromEuler(this),this.setFromQuaternion(He,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Ge.DEFAULT_ORDER="XYZ";class Ve{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return!!(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let je=0;const We=new ne,Xe=new ee,qe=new Oe,Ye=new ne,$e=new ne,Ke=new ne,Ze=new ee,Je=new ne(1,0,0),Qe=new ne(0,1,0),tn=new ne(0,0,1),en={type:"added"},nn={type:"removed"},rn={type:"childadded",child:null},an={type:"childremoved",child:null};class on extends mt{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:je++}),this.uuid=xt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=on.DEFAULT_UP.clone();const t=new ne,e=new Ge,n=new ee,i=new ne(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Oe},normalMatrix:{value:new Pt}}),this.matrix=new Oe,this.matrixWorld=new Oe,this.matrixAutoUpdate=on.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=on.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new Ve,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return Xe.setFromAxisAngle(t,e),this.quaternion.multiply(Xe),this}rotateOnWorldAxis(t,e){return Xe.setFromAxisAngle(t,e),this.quaternion.premultiply(Xe),this}rotateX(t){return this.rotateOnAxis(Je,t)}rotateY(t){return this.rotateOnAxis(Qe,t)}rotateZ(t){return this.rotateOnAxis(tn,t)}translateOnAxis(t,e){return We.copy(t).applyQuaternion(this.quaternion),this.position.add(We.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(Je,t)}translateY(t){return this.translateOnAxis(Qe,t)}translateZ(t){return this.translateOnAxis(tn,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(qe.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Ye.copy(t):Ye.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),$e.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?qe.lookAt($e,Ye,this.up):qe.lookAt(Ye,$e,this.up),this.quaternion.setFromRotationMatrix(qe),i&&(qe.extractRotation(i.matrixWorld),Xe.setFromRotationMatrix(qe),this.quaternion.premultiply(Xe.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(en),rn.child=t,this.dispatchEvent(rn),rn.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(nn),an.child=t,this.dispatchEvent(an),an.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),qe.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),qe.multiply(t.parent.matrixWorld)),t.applyMatrix4(qe),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}}getObjectsByProperty(t,e,n=[]){this[t]===e&&n.push(this);const i=this.children;for(let r=0,a=i.length;r<a;r++)i[r].getObjectsByProperty(t,e,n);return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose($e,t,Ke),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose($e,Ze,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,i=e.length;n<i;n++){const i=e[n];!0!==i.matrixWorldAutoUpdate&&!0!==t||i.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const n=this.parent;if(!0===t&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,n=t.length;e<n;e++){const n=t[e];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxGeometryCount=this._maxGeometryCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=a(t.geometries),i=a(t.materials),r=a(t.textures),o=a(t.images),s=a(t.shapes),l=a(t.skeletons),c=a(t.animations),u=a(t.nodes);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),u.length>0&&(n.nodes=u)}return n.object=i,n;function a(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}}on.DEFAULT_UP=new ne(0,1,0),on.DEFAULT_MATRIX_AUTO_UPDATE=!0,on.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const sn=new ne,ln=new ne,cn=new ne,un=new ne,hn=new ne,dn=new ne,pn=new ne,fn=new ne,mn=new ne,gn=new ne;class vn{constructor(t=new ne,e=new ne,n=new ne){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),sn.subVectors(t,e),i.cross(sn);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){sn.subVectors(i,e),ln.subVectors(n,e),cn.subVectors(t,e);const a=sn.dot(sn),o=sn.dot(ln),s=sn.dot(cn),l=ln.dot(ln),c=ln.dot(cn),u=a*l-o*o;if(0===u)return r.set(0,0,0),null;const h=1/u,d=(l*s-o*c)*h,p=(a*c-o*s)*h;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,un)&&(un.x>=0&&un.y>=0&&un.x+un.y<=1)}static getInterpolation(t,e,n,i,r,a,o,s){return null===this.getBarycoord(t,e,n,i,un)?(s.x=0,s.y=0,"z"in s&&(s.z=0),"w"in s&&(s.w=0),null):(s.setScalar(0),s.addScaledVector(r,un.x),s.addScaledVector(a,un.y),s.addScaledVector(o,un.z),s)}static isFrontFacing(t,e,n,i){return sn.subVectors(n,e),ln.subVectors(t,e),sn.cross(ln).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return sn.subVectors(this.c,this.b),ln.subVectors(this.a,this.b),.5*sn.cross(ln).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return vn.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return vn.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return vn.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return vn.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return vn.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let a,o;hn.subVectors(i,n),dn.subVectors(r,n),fn.subVectors(t,n);const s=hn.dot(fn),l=dn.dot(fn);if(s<=0&&l<=0)return e.copy(n);mn.subVectors(t,i);const c=hn.dot(mn),u=dn.dot(mn);if(c>=0&&u<=c)return e.copy(i);const h=s*u-c*l;if(h<=0&&s>=0&&c<=0)return a=s/(s-c),e.copy(n).addScaledVector(hn,a);gn.subVectors(t,r);const d=hn.dot(gn),p=dn.dot(gn);if(p>=0&&d<=p)return e.copy(r);const f=d*l-s*p;if(f<=0&&l>=0&&p<=0)return o=l/(l-p),e.copy(n).addScaledVector(dn,o);const m=c*p-d*u;if(m<=0&&u-c>=0&&d-p>=0)return pn.subVectors(r,i),o=(u-c)/(u-c+(d-p)),e.copy(i).addScaledVector(pn,o);const g=1/(m+f+h);return a=f*g,o=h*g,e.copy(n).addScaledVector(hn,a).addScaledVector(dn,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const _n={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},yn={h:0,s:0,l:0},xn={h:0,s:0,l:0};function bn(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Mn{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=nt){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Bt.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=Bt.workingColorSpace){return this.r=t,this.g=e,this.b=n,Bt.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=Bt.workingColorSpace){if(t=Mt(t,1),e=bt(e,0,1),n=bt(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=bn(r,i,t+1/3),this.g=bn(r,i,t),this.b=bn(r,i,t-1/3)}return Bt.toWorkingColorSpace(this,i),this}setStyle(t,e=nt){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const a=i[1],o=i[2];switch(a){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=nt){const n=_n[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ht(t.r),this.g=Ht(t.g),this.b=Ht(t.b),this}copyLinearToSRGB(t){return this.r=Gt(t.r),this.g=Gt(t.g),this.b=Gt(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=nt){return Bt.fromWorkingColorSpace(Sn.copy(this),t),65536*Math.round(bt(255*Sn.r,0,255))+256*Math.round(bt(255*Sn.g,0,255))+Math.round(bt(255*Sn.b,0,255))}getHexString(t=nt){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Bt.workingColorSpace){Bt.fromWorkingColorSpace(Sn.copy(this),e);const n=Sn.r,i=Sn.g,r=Sn.b,a=Math.max(n,i,r),o=Math.min(n,i,r);let s,l;const c=(o+a)/2;if(o===a)s=0,l=0;else{const t=a-o;switch(l=c<=.5?t/(a+o):t/(2-a-o),a){case n:s=(i-r)/t+(i<r?6:0);break;case i:s=(r-n)/t+2;break;case r:s=(n-i)/t+4}s/=6}return t.h=s,t.s=l,t.l=c,t}getRGB(t,e=Bt.workingColorSpace){return Bt.fromWorkingColorSpace(Sn.copy(this),e),t.r=Sn.r,t.g=Sn.g,t.b=Sn.b,t}getStyle(t=nt){Bt.fromWorkingColorSpace(Sn.copy(this),t);const e=Sn.r,n=Sn.g,i=Sn.b;return t!==nt?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*n)},${Math.round(255*i)})`}offsetHSL(t,e,n){return this.getHSL(yn),this.setHSL(yn.h+t,yn.s+e,yn.l+n)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(yn),t.getHSL(xn);const n=St(yn.h,xn.h,e),i=St(yn.s,xn.s,e),r=St(yn.l,xn.l,e);return this.setHSL(n,i,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,n=this.g,i=this.b,r=t.elements;return this.r=r[0]*e+r[3]*n+r[6]*i,this.g=r[1]*e+r[4]*n+r[7]*i,this.b=r[2]*e+r[5]*n+r[8]*i,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Sn=new Mn;Mn.NAMES=_n;let En=0;class wn extends mt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:En++}),this.uuid=xt(),this.name="",this.type="Material",this.blending=1,this.side=m,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=v,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Mn(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ut,this.stencilZFail=ut,this.stencilZPass=ut,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}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.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==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.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.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(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),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(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==m&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),204!==this.blendSrc&&(n.blendSrc=this.blendSrc),205!==this.blendDst&&(n.blendDst=this.blendDst),this.blendEquation!==v&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==ut&&(n.stencilFail=this.stencilFail),this.stencilZFail!==ut&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==ut&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==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),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Tn extends wn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Mn(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Ge,this.combine=_,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const An=new ne,Rn=new Ct;class Cn{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=35044,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=j,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){var t;return(t="THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead.")in It||(It[t]=!0,console.warn(t)),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,n=this.count;e<n;e++)Rn.fromBufferAttribute(this,e),Rn.applyMatrix3(t),this.setXY(e,Rn.x,Rn.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)An.fromBufferAttribute(this,e),An.applyMatrix3(t),this.setXYZ(e,An.x,An.y,An.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)An.fromBufferAttribute(this,e),An.applyMatrix4(t),this.setXYZ(e,An.x,An.y,An.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)An.fromBufferAttribute(this,e),An.applyNormalMatrix(t),this.setXYZ(e,An.x,An.y,An.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)An.fromBufferAttribute(this,e),An.transformDirection(t),this.setXYZ(e,An.x,An.y,An.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let n=this.array[t*this.itemSize+e];return this.normalized&&(n=Tt(n,this.array)),n}setComponent(t,e,n){return this.normalized&&(n=At(n,this.array)),this.array[t*this.itemSize+e]=n,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=Tt(e,this.array)),e}setX(t,e){return this.normalized&&(e=At(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=Tt(e,this.array)),e}setY(t,e){return this.normalized&&(e=At(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=Tt(e,this.array)),e}setZ(t,e){return this.normalized&&(e=At(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=Tt(e,this.array)),e}setW(t,e){return this.normalized&&(e=At(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=At(e,this.array),n=At(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=At(e,this.array),n=At(n,this.array),i=At(i,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.normalized&&(e=At(e,this.array),n=At(n,this.array),i=At(i,this.array),r=At(r,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),35044!==this.usage&&(t.usage=this.usage),t}}class Pn extends Cn{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class Ln extends Cn{constructor(t,e,n){super(new Uint32Array(t),e,n)}}class On extends Cn{constructor(t,e,n){super(new Float32Array(t),e,n)}}let Dn=0;const Nn=new Oe,In=new on,Un=new ne,Fn=new ae,kn=new ae,zn=new ne;class Bn extends mt{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Dn++}),this.uuid=xt(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(Ot(t)?Ln:Pn)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new Pt).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return Nn.makeRotationFromQuaternion(t),this.applyMatrix4(Nn),this}rotateX(t){return Nn.makeRotationX(t),this.applyMatrix4(Nn),this}rotateY(t){return Nn.makeRotationY(t),this.applyMatrix4(Nn),this}rotateZ(t){return Nn.makeRotationZ(t),this.applyMatrix4(Nn),this}translate(t,e,n){return Nn.makeTranslation(t,e,n),this.applyMatrix4(Nn),this}scale(t,e,n){return Nn.makeScale(t,e,n),this.applyMatrix4(Nn),this}lookAt(t){return In.lookAt(t),In.updateMatrix(),this.applyMatrix4(In.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Un).negate(),this.translate(Un.x,Un.y,Un.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new On(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ae);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new ne(-1/0,-1/0,-1/0),new ne(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];Fn.setFromBufferAttribute(n),this.morphTargetsRelative?(zn.addVectors(this.boundingBox.min,Fn.min),this.boundingBox.expandByPoint(zn),zn.addVectors(this.boundingBox.max,Fn.max),this.boundingBox.expandByPoint(zn)):(this.boundingBox.expandByPoint(Fn.min),this.boundingBox.expandByPoint(Fn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Se);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new ne,1/0);if(t){const n=this.boundingSphere.center;if(Fn.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];kn.setFromBufferAttribute(n),this.morphTargetsRelative?(zn.addVectors(Fn.min,kn.min),Fn.expandByPoint(zn),zn.addVectors(Fn.max,kn.max),Fn.expandByPoint(zn)):(Fn.expandByPoint(kn.min),Fn.expandByPoint(kn.max))}Fn.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)zn.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(zn));if(e)for(let r=0,a=e.length;r<a;r++){const a=e[r],o=this.morphTargetsRelative;for(let e=0,r=a.count;e<r;e++)zn.fromBufferAttribute(a,e),o&&(Un.fromBufferAttribute(t,e),zn.add(Un)),i=Math.max(i,n.distanceToSquared(zn))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.position,i=e.normal,r=e.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Cn(new Float32Array(4*n.count),4));const a=this.getAttribute("tangent"),o=[],s=[];for(let t=0;t<n.count;t++)o[t]=new ne,s[t]=new ne;const l=new ne,c=new ne,u=new ne,h=new Ct,d=new Ct,p=new Ct,f=new ne,m=new ne;function g(t,e,i){l.fromBufferAttribute(n,t),c.fromBufferAttribute(n,e),u.fromBufferAttribute(n,i),h.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,i),c.sub(l),u.sub(l),d.sub(h),p.sub(h);const a=1/(d.x*p.y-p.x*d.y);isFinite(a)&&(f.copy(c).multiplyScalar(p.y).addScaledVector(u,-d.y).multiplyScalar(a),m.copy(u).multiplyScalar(d.x).addScaledVector(c,-p.x).multiplyScalar(a),o[t].add(f),o[e].add(f),o[i].add(f),s[t].add(m),s[e].add(m),s[i].add(m))}let v=this.groups;0===v.length&&(v=[{start:0,count:t.count}]);for(let e=0,n=v.length;e<n;++e){const n=v[e],i=n.start;for(let e=i,r=i+n.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const _=new ne,y=new ne,x=new ne,b=new ne;function M(t){x.fromBufferAttribute(i,t),b.copy(x);const e=o[t];_.copy(e),_.sub(x.multiplyScalar(x.dot(e))).normalize(),y.crossVectors(b,e);const n=y.dot(s[t])<0?-1:1;a.setXYZW(t,_.x,_.y,_.z,n)}for(let e=0,n=v.length;e<n;++e){const n=v[e],i=n.start;for(let e=i,r=i+n.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new Cn(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new ne,r=new ne,a=new ne,o=new ne,s=new ne,l=new ne,c=new ne,u=new ne;if(t)for(let h=0,d=t.count;h<d;h+=3){const d=t.getX(h+0),p=t.getX(h+1),f=t.getX(h+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),a.fromBufferAttribute(e,f),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),o.fromBufferAttribute(n,d),s.fromBufferAttribute(n,p),l.fromBufferAttribute(n,f),o.add(c),s.add(c),l.add(c),n.setXYZ(d,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(f,l.x,l.y,l.z)}else for(let t=0,o=e.count;t<o;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),a.fromBufferAttribute(e,t+2),c.subVectors(a,r),u.subVectors(i,r),c.cross(u),n.setXYZ(t+0,c.x,c.y,c.z),n.setXYZ(t+1,c.x,c.y,c.z),n.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)zn.fromBufferAttribute(t,e),zn.normalize(),t.setXYZ(e,zn.x,zn.y,zn.z)}toNonIndexed(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,a=new n.constructor(e.length*i);let o=0,s=0;for(let r=0,l=e.length;r<l;r++){o=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)a[s++]=n[o++]}return new Cn(a,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Bn,n=this.index.array,i=this.attributes;for(const r in i){const a=t(i[r],n);e.setAttribute(r,a)}const r=this.morphAttributes;for(const i in r){const a=[],o=r[i];for(let e=0,i=o.length;e<i;e++){const i=t(o[e],n);a.push(i)}e.morphAttributes[i]=a}e.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let t=0,n=a.length;t<n;t++){const n=a[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const t={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],a=[];for(let e=0,i=n.length;e<i;e++){const i=n[e];a.push(i.toJSON(t.data))}a.length>0&&(i[e]=a,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(t.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return null!==o&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const a=t.groups;for(let t=0,e=a.length;t<e;t++){const e=a[t];this.addGroup(e.start,e.count,e.materialIndex)}const o=t.boundingBox;null!==o&&(this.boundingBox=o.clone());const s=t.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const Hn=new Oe,Gn=new Le,Vn=new Se,jn=new ne,Wn=new ne,Xn=new ne,qn=new ne,Yn=new ne,$n=new ne,Kn=new Ct,Zn=new Ct,Jn=new Ct,Qn=new ne,ti=new ne,ei=new ne,ni=new ne,ii=new ne;class ri extends on{constructor(t=new Bn,e=new Tn){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t<e;t++){const e=n[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const n=this.geometry,i=n.attributes.position,r=n.morphAttributes.position,a=n.morphTargetsRelative;e.fromBufferAttribute(i,t);const o=this.morphTargetInfluences;if(r&&o){$n.set(0,0,0);for(let n=0,i=r.length;n<i;n++){const i=o[n],s=r[n];0!==i&&(Yn.fromBufferAttribute(s,t),a?$n.addScaledVector(Yn,i):$n.addScaledVector(Yn.sub(e),i))}e.add($n)}return e}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0!==i){if(null===n.boundingSphere&&n.computeBoundingSphere(),Vn.copy(n.boundingSphere),Vn.applyMatrix4(r),Gn.copy(t.ray).recast(t.near),!1===Vn.containsPoint(Gn.origin)){if(null===Gn.intersectSphere(Vn,jn))return;if(Gn.origin.distanceToSquared(jn)>(t.far-t.near)**2)return}Hn.copy(r).invert(),Gn.copy(t.ray).applyMatrix4(Hn),null!==n.boundingBox&&!1===Gn.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Gn)}}_computeIntersections(t,e,n){let i;const r=this.geometry,a=this.material,o=r.index,s=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,u=r.attributes.normal,h=r.groups,d=r.drawRange;if(null!==o)if(Array.isArray(a))for(let r=0,s=h.length;r<s;r++){const s=h[r],p=a[s.materialIndex];for(let r=Math.max(s.start,d.start),a=Math.min(o.count,Math.min(s.start+s.count,d.start+d.count));r<a;r+=3){i=ai(this,p,t,n,l,c,u,o.getX(r),o.getX(r+1),o.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=s.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),s=Math.min(o.count,d.start+d.count);r<s;r+=3){i=ai(this,a,t,n,l,c,u,o.getX(r),o.getX(r+1),o.getX(r+2)),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}else if(void 0!==s)if(Array.isArray(a))for(let r=0,o=h.length;r<o;r++){const o=h[r],p=a[o.materialIndex];for(let r=Math.max(o.start,d.start),a=Math.min(s.count,Math.min(o.start+o.count,d.start+d.count));r<a;r+=3){i=ai(this,p,t,n,l,c,u,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),i.face.materialIndex=o.materialIndex,e.push(i))}}else{for(let r=Math.max(0,d.start),o=Math.min(s.count,d.start+d.count);r<o;r+=3){i=ai(this,a,t,n,l,c,u,r,r+1,r+2),i&&(i.faceIndex=Math.floor(r/3),e.push(i))}}}}function ai(t,e,n,i,r,a,o,s,l,c){t.getVertexPosition(s,Wn),t.getVertexPosition(l,Xn),t.getVertexPosition(c,qn);const u=function(t,e,n,i,r,a,o,s){let l;if(l=e.side===g?i.intersectTriangle(o,a,r,!0,s):i.intersectTriangle(r,a,o,e.side===m,s),null===l)return null;ii.copy(s),ii.applyMatrix4(t.matrixWorld);const c=n.ray.origin.distanceTo(ii);return c<n.near||c>n.far?null:{distance:c,point:ii.clone(),object:t}}(t,e,n,i,Wn,Xn,qn,ni);if(u){r&&(Kn.fromBufferAttribute(r,s),Zn.fromBufferAttribute(r,l),Jn.fromBufferAttribute(r,c),u.uv=vn.getInterpolation(ni,Wn,Xn,qn,Kn,Zn,Jn,new Ct)),a&&(Kn.fromBufferAttribute(a,s),Zn.fromBufferAttribute(a,l),Jn.fromBufferAttribute(a,c),u.uv1=vn.getInterpolation(ni,Wn,Xn,qn,Kn,Zn,Jn,new Ct)),o&&(Qn.fromBufferAttribute(o,s),ti.fromBufferAttribute(o,l),ei.fromBufferAttribute(o,c),u.normal=vn.getInterpolation(ni,Wn,Xn,qn,Qn,ti,ei,new ne),u.normal.dot(i.direction)>0&&u.normal.multiplyScalar(-1));const t={a:s,b:l,c:c,normal:new ne,materialIndex:0};vn.getNormal(Wn,Xn,qn,t.normal),u.face=t}return u}class oi extends Bn{constructor(t=1,e=1,n=1,i=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};const o=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);const s=[],l=[],c=[],u=[];let h=0,d=0;function p(t,e,n,i,r,a,p,f,m,g,v){const _=a/m,y=p/g,x=a/2,b=p/2,M=f/2,S=m+1,E=g+1;let w=0,T=0;const A=new ne;for(let a=0;a<E;a++){const o=a*y-b;for(let s=0;s<S;s++){const h=s*_-x;A[t]=h*i,A[e]=o*r,A[n]=M,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=f>0?1:-1,c.push(A.x,A.y,A.z),u.push(s/m),u.push(1-a/g),w+=1}}for(let t=0;t<g;t++)for(let e=0;e<m;e++){const n=h+e+S*t,i=h+e+S*(t+1),r=h+(e+1)+S*(t+1),a=h+(e+1)+S*t;s.push(n,i,a),s.push(i,r,a),T+=6}o.addGroup(d,T,v),d+=T,h+=w}p("z","y","x",-1,-1,n,e,t,a,r,0),p("z","y","x",1,-1,n,e,-t,a,r,1),p("x","z","y",1,1,t,n,e,i,a,2),p("x","z","y",1,-1,t,n,-e,i,a,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(s),this.setAttribute("position",new On(l,3)),this.setAttribute("normal",new On(c,3)),this.setAttribute("uv",new On(u,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new oi(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function si(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[n][i]=null):e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function li(t){const e={};for(let n=0;n<t.length;n++){const i=si(t[n]);for(const t in i)e[t]=i[t]}return e}function ci(t){return null===t.getRenderTarget()?t.outputColorSpace:Bt.workingColorSpace}const ui={clone:si,merge:li};class hi extends wn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1,clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=si(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let n=0;n<t.length;n++)e.push(t[n].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class di extends on{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Oe,this.projectionMatrix=new Oe,this.projectionMatrixInverse=new Oe,this.coordinateSystem=pt}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const pi=new ne,fi=new Ct,mi=new Ct;class gi extends di{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*yt*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*_t*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*yt*Math.atan(Math.tan(.5*_t*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){pi.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(pi.x,pi.y).multiplyScalar(-t/pi.z),pi.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(pi.x,pi.y).multiplyScalar(-t/pi.z)}getViewSize(t,e){return this.getViewBounds(t,fi,mi),e.subVectors(mi,fi)}setViewOffset(t,e,n,i,r,a){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*_t*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const a=this.view;if(null!==this.view&&this.view.enabled){const t=a.fullWidth,o=a.fullHeight;r+=a.offsetX*i/t,e-=a.offsetY*n/o,i*=a.width/t,n*=a.height/o}const o=this.filmOffset;0!==o&&(r+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const vi=-90;class _i extends on{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new gi(vi,1,t,e);i.layers=this.layers,this.add(i);const r=new gi(vi,1,t,e);r.layers=this.layers,this.add(r);const a=new gi(vi,1,t,e);a.layers=this.layers,this.add(a);const o=new gi(vi,1,t,e);o.layers=this.layers,this.add(o);const s=new gi(vi,1,t,e);s.layers=this.layers,this.add(s);const l=new gi(vi,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,a,o,s]=e;for(const t of e)this.remove(t);if(t===pt)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),s.up.set(0,1,0),s.lookAt(0,0,-1);else{if(t!==ft)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),s.up.set(0,-1,0),s.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,a,o,s,l,c]=this.children,u=t.getRenderTarget(),h=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const f=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,a),t.setRenderTarget(n,2,i),t.render(e,o),t.setRenderTarget(n,3,i),t.render(e,s),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=f,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(u,h,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class yi extends $t{constructor(t,e,n,i,r,a,o,s,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:C,n,i,r,a,o,s,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class xi extends Jt{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new yi(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:F}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\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",fragmentShader:"\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"},i=new oi(5,5,5),r=new hi({name:"CubemapFromEquirect",uniforms:si(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:g,blending:0});r.uniforms.tEquirect.value=e;const a=new ri(i,r),o=e.minFilter;e.minFilter===z&&(e.minFilter=F);return new _i(1,10,this).update(t,a),e.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const bi=new ne,Mi=new ne,Si=new Pt;class Ei{constructor(t=new ne(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=bi.subVectors(n,e).cross(Mi.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(bi),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||Si.getNormalMatrix(t),i=this.coplanarPoint(bi).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const wi=new Se,Ti=new ne;class Ai{constructor(t=new Ei,e=new Ei,n=new Ei,i=new Ei,r=new Ei,a=new Ei){this.planes=[t,e,n,i,r,a]}set(t,e,n,i,r,a){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],a=i[1],o=i[2],s=i[3],l=i[4],c=i[5],u=i[6],h=i[7],d=i[8],p=i[9],f=i[10],m=i[11],g=i[12],v=i[13],_=i[14],y=i[15];if(n[0].setComponents(s-r,h-l,m-d,y-g).normalize(),n[1].setComponents(s+r,h+l,m+d,y+g).normalize(),n[2].setComponents(s+a,h+c,m+p,y+v).normalize(),n[3].setComponents(s-a,h-c,m-p,y-v).normalize(),n[4].setComponents(s-o,h-u,m-f,y-_).normalize(),e===pt)n[5].setComponents(s+o,h+u,m+f,y+_).normalize();else{if(e!==ft)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(o,u,f,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),wi.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),wi.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(wi)}intersectsSprite(t){return wi.center.set(0,0,0),wi.radius=.7071067811865476,wi.applyMatrix4(t.matrixWorld),this.intersectsSphere(wi)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(Ti.x=i.normal.x>0?t.max.x:t.min.x,Ti.y=i.normal.y>0?t.max.y:t.min.y,Ti.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(Ti)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function Ri(){let t=null,e=!1,n=null,i=null;function r(e,a){n(e,a),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function Ci(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const a=i.get(e);if(void 0===a)i.set(e,function(e,i){const r=e.array,a=e.usage,o=r.byteLength,s=t.createBuffer();let l;if(t.bindBuffer(i,s),t.bufferData(i,r,a),e.onUploadCallback(),r instanceof Float32Array)l=t.FLOAT;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");l=t.HALF_FLOAT}else l=t.UNSIGNED_SHORT;else if(r instanceof Int16Array)l=t.SHORT;else if(r instanceof Uint32Array)l=t.UNSIGNED_INT;else if(r instanceof Int32Array)l=t.INT;else if(r instanceof Int8Array)l=t.BYTE;else if(r instanceof Uint8Array)l=t.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);l=t.UNSIGNED_BYTE}return{buffer:s,type:l,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version,size:o}}(e,r));else if(a.version<e.version){if(a.size!==e.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(e,i,r){const a=i.array,o=i._updateRange,s=i.updateRanges;if(t.bindBuffer(r,e),-1===o.count&&0===s.length&&t.bufferSubData(r,0,a),0!==s.length){for(let e=0,i=s.length;e<i;e++){const i=s[e];n?t.bufferSubData(r,i.start*a.BYTES_PER_ELEMENT,a,i.start,i.count):t.bufferSubData(r,i.start*a.BYTES_PER_ELEMENT,a.subarray(i.start,i.start+i.count))}i.clearUpdateRanges()}-1!==o.count&&(n?t.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a,o.offset,o.count):t.bufferSubData(r,o.offset*a.BYTES_PER_ELEMENT,a.subarray(o.offset,o.offset+o.count)),o.count=-1),i.onUploadCallback()}(a.buffer,e,r),a.version=e.version}}}}class Pi extends Bn{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,a=e/2,o=Math.floor(n),s=Math.floor(i),l=o+1,c=s+1,u=t/o,h=e/s,d=[],p=[],f=[],m=[];for(let t=0;t<c;t++){const e=t*h-a;for(let n=0;n<l;n++){const i=n*u-r;p.push(i,-e,0),f.push(0,0,1),m.push(n/o),m.push(1-t/s)}}for(let t=0;t<s;t++)for(let e=0;e<o;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),a=e+1+l*t;d.push(n,i,a),d.push(i,r,a)}this.setIndex(d),this.setAttribute("position",new On(p,3)),this.setAttribute("normal",new On(f,3)),this.setAttribute("uv",new On(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Pi(t.width,t.height,t.widthSegments,t.heightSegments)}}const Li={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\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",batching_pars_vertex:"#ifdef USE_BATCHING\n\tattribute float batchId;\n\tuniform highp sampler2D batchingTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( batchId );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float 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} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\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( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + 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 = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\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#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\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; }\nvec3 pow2( const in vec3 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 v ) { return dot( v, vec3( 0.3333333 ) ); }\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};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\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 luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, 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}\nvec3 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 F_Schlick( const in float 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} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\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\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\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\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_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 ), cubeUV_m0, CUBEUV_MAX_MIP );\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_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 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, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( 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 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\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, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\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 mat3 envMapRotation;\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 ) || defined( LAMBERT )\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 ) || defined( LAMBERT )\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:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * 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#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * 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\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\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 vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\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 ( LEGACY_LIGHTS )\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#else\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#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, 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 vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\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 vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, 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",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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, 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",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\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\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\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 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, 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, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).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_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\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_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\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}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.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\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\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}\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 sheenColor, 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 sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\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}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\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#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, 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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\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:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\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, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( 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, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\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, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( 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, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\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 ], geometryNormal );\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, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\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\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\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, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[MORPHTARGETS_COUNT];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\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 ).xyz * 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\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t#endif\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\t#ifndef USE_INSTANCING_MORPH\n\t\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\t#endif\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\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\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\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 = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).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( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\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 USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.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 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\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}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\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 depth, const in float near, const in float far ) {\n\treturn depth * ( 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 depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - 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_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\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, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#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\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\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\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:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#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\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:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\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, vSpotLightCoord[ 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\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\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, vSpecularMapUv );\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 saturate( 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}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tfloat startCompression = 0.8 - 0.04;\n\tfloat desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min(color.r, min(color.g, color.b));\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max(color.r, max(color.g, color.b));\n\tif (peak < startCompression) return color;\n\tfloat d = 1. - startCompression;\n\tfloat newPeak = 1. - d * d / (peak + d - startCompression);\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / (desaturation * (peak - newPeak) + 1.);\n\treturn mix(color, vec3(1, 1, 1), g);\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\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\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in 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( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in 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 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\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;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_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}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\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 <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_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 <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\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 <alphahash_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 <batching_pars_vertex>\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 <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_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 <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_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\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\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 <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_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 <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\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 <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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}",meshlambert_frag:"#define LAMBERT\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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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_lambert_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 <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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 <batching_pars_vertex>\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 <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <alphahash_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\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 <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_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( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\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\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\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 ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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 <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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 <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 USE_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 USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\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 <iridescence_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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 <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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 <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_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 <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_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 <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 <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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 <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}"},Oi={common:{diffuse:{value:new Mn(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Pt},alphaMap:{value:null},alphaMapTransform:{value:new Pt},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Pt}},envmap:{envMap:{value:null},envMapRotation:{value:new Pt},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Pt}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Pt}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Pt},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Pt},normalScale:{value:new Ct(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Pt},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Pt}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Pt}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Pt}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Mn(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:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{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 Mn(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new Pt},alphaTest:{value:0},uvTransform:{value:new Pt}},sprite:{diffuse:{value:new Mn(16777215)},opacity:{value:1},center:{value:new Ct(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new Pt},alphaMap:{value:null},alphaMapTransform:{value:new Pt},alphaTest:{value:0}}},Di={basic:{uniforms:li([Oi.common,Oi.specularmap,Oi.envmap,Oi.aomap,Oi.lightmap,Oi.fog]),vertexShader:Li.meshbasic_vert,fragmentShader:Li.meshbasic_frag},lambert:{uniforms:li([Oi.common,Oi.specularmap,Oi.envmap,Oi.aomap,Oi.lightmap,Oi.emissivemap,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,Oi.fog,Oi.lights,{emissive:{value:new Mn(0)}}]),vertexShader:Li.meshlambert_vert,fragmentShader:Li.meshlambert_frag},phong:{uniforms:li([Oi.common,Oi.specularmap,Oi.envmap,Oi.aomap,Oi.lightmap,Oi.emissivemap,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,Oi.fog,Oi.lights,{emissive:{value:new Mn(0)},specular:{value:new Mn(1118481)},shininess:{value:30}}]),vertexShader:Li.meshphong_vert,fragmentShader:Li.meshphong_frag},standard:{uniforms:li([Oi.common,Oi.envmap,Oi.aomap,Oi.lightmap,Oi.emissivemap,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,Oi.roughnessmap,Oi.metalnessmap,Oi.fog,Oi.lights,{emissive:{value:new Mn(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:Li.meshphysical_vert,fragmentShader:Li.meshphysical_frag},toon:{uniforms:li([Oi.common,Oi.aomap,Oi.lightmap,Oi.emissivemap,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,Oi.gradientmap,Oi.fog,Oi.lights,{emissive:{value:new Mn(0)}}]),vertexShader:Li.meshtoon_vert,fragmentShader:Li.meshtoon_frag},matcap:{uniforms:li([Oi.common,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,Oi.fog,{matcap:{value:null}}]),vertexShader:Li.meshmatcap_vert,fragmentShader:Li.meshmatcap_frag},points:{uniforms:li([Oi.points,Oi.fog]),vertexShader:Li.points_vert,fragmentShader:Li.points_frag},dashed:{uniforms:li([Oi.common,Oi.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:Li.linedashed_vert,fragmentShader:Li.linedashed_frag},depth:{uniforms:li([Oi.common,Oi.displacementmap]),vertexShader:Li.depth_vert,fragmentShader:Li.depth_frag},normal:{uniforms:li([Oi.common,Oi.bumpmap,Oi.normalmap,Oi.displacementmap,{opacity:{value:1}}]),vertexShader:Li.meshnormal_vert,fragmentShader:Li.meshnormal_frag},sprite:{uniforms:li([Oi.sprite,Oi.fog]),vertexShader:Li.sprite_vert,fragmentShader:Li.sprite_frag},background:{uniforms:{uvTransform:{value:new Pt},t2D:{value:null},backgroundIntensity:{value:1}},vertexShader:Li.background_vert,fragmentShader:Li.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0},backgroundIntensity:{value:1},backgroundRotation:{value:new Pt}},vertexShader:Li.backgroundCube_vert,fragmentShader:Li.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:Li.cube_vert,fragmentShader:Li.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:Li.equirect_vert,fragmentShader:Li.equirect_frag},distanceRGBA:{uniforms:li([Oi.common,Oi.displacementmap,{referencePosition:{value:new ne},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:Li.distanceRGBA_vert,fragmentShader:Li.distanceRGBA_frag},shadow:{uniforms:li([Oi.lights,Oi.fog,{color:{value:new Mn(0)},opacity:{value:1}}]),vertexShader:Li.shadow_vert,fragmentShader:Li.shadow_frag}};Di.physical={uniforms:li([Di.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatMapTransform:{value:new Pt},clearcoatNormalMap:{value:null},clearcoatNormalMapTransform:{value:new Pt},clearcoatNormalScale:{value:new Ct(1,1)},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatRoughnessMapTransform:{value:new Pt},iridescence:{value:0},iridescenceMap:{value:null},iridescenceMapTransform:{value:new Pt},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},iridescenceThicknessMapTransform:{value:new Pt},sheen:{value:0},sheenColor:{value:new Mn(0)},sheenColorMap:{value:null},sheenColorMapTransform:{value:new Pt},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},sheenRoughnessMapTransform:{value:new Pt},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new Pt},transmissionSamplerSize:{value:new Ct},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new Pt},attenuationDistance:{value:0},attenuationColor:{value:new Mn(0)},specularColor:{value:new Mn(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new Pt},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new Pt},anisotropyVector:{value:new Ct},anisotropyMap:{value:null},anisotropyMapTransform:{value:new Pt}}]),vertexShader:Li.meshphysical_vert,fragmentShader:Li.meshphysical_frag};const Ni={r:0,b:0,g:0},Ii=new Ge,Ui=new Oe;function Fi(t,e,n,i,r,a,o){const s=new Mn(0);let l,c,u=!0===a?0:1,h=null,d=0,p=null;function f(e,n){e.getRGB(Ni,ci(t)),i.buffers.color.setClear(Ni.r,Ni.g,Ni.b,n,o)}return{getClearColor:function(){return s},setClearColor:function(t,e=1){s.set(t),u=e,f(s,u)},getClearAlpha:function(){return u},setClearAlpha:function(t){u=t,f(s,u)},render:function(a,v){let _=!1,y=!0===v.isScene?v.background:null;if(y&&y.isTexture){y=(v.backgroundBlurriness>0?n:e).get(y)}null===y?f(s,u):y&&y.isColor&&(f(y,1),_=!0);const x=t.xr.getEnvironmentBlendMode();"additive"===x?i.buffers.color.setClear(0,0,0,1,o):"alpha-blend"===x&&i.buffers.color.setClear(0,0,0,0,o),(t.autoClear||_)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),y&&(y.isCubeTexture||y.mapping===L)?(void 0===c&&(c=new ri(new oi(1,1,1),new hi({name:"BackgroundCubeMaterial",uniforms:si(Di.backgroundCube.uniforms),vertexShader:Di.backgroundCube.vertexShader,fragmentShader:Di.backgroundCube.fragmentShader,side:g,depthTest:!1,depthWrite:!1,fog:!1})),c.geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(c)),Ii.copy(v.backgroundRotation),Ii.x*=-1,Ii.y*=-1,Ii.z*=-1,y.isCubeTexture&&!1===y.isRenderTargetTexture&&(Ii.y*=-1,Ii.z*=-1),c.material.uniforms.envMap.value=y,c.material.uniforms.flipEnvMap.value=y.isCubeTexture&&!1===y.isRenderTargetTexture?-1:1,c.material.uniforms.backgroundBlurriness.value=v.backgroundBlurriness,c.material.uniforms.backgroundIntensity.value=v.backgroundIntensity,c.material.uniforms.backgroundRotation.value.setFromMatrix4(Ui.makeRotationFromEuler(Ii)),c.material.toneMapped=Bt.getTransfer(y.colorSpace)!==st,h===y&&d===y.version&&p===t.toneMapping||(c.material.needsUpdate=!0,h=y,d=y.version,p=t.toneMapping),c.layers.enableAll(),a.unshift(c,c.geometry,c.material,0,0,null)):y&&y.isTexture&&(void 0===l&&(l=new ri(new Pi(2,2),new hi({name:"BackgroundMaterial",uniforms:si(Di.background.uniforms),vertexShader:Di.background.vertexShader,fragmentShader:Di.background.fragmentShader,side:m,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),Object.defineProperty(l.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(l)),l.material.uniforms.t2D.value=y,l.material.uniforms.backgroundIntensity.value=v.backgroundIntensity,l.material.toneMapped=Bt.getTransfer(y.colorSpace)!==st,!0===y.matrixAutoUpdate&&y.updateMatrix(),l.material.uniforms.uvTransform.value.copy(y.matrix),h===y&&d===y.version&&p===t.toneMapping||(l.material.needsUpdate=!0,h=y,d=y.version,p=t.toneMapping),l.layers.enableAll(),a.unshift(l,l.geometry,l.material,0,0,null))}}}function ki(t,e,n,i){const r=t.getParameter(t.MAX_VERTEX_ATTRIBS),a=i.isWebGL2?null:e.get("OES_vertex_array_object"),o=i.isWebGL2||null!==a,s={},l=p(null);let c=l,u=!1;function h(e){return i.isWebGL2?t.bindVertexArray(e):a.bindVertexArrayOES(e)}function d(e){return i.isWebGL2?t.deleteVertexArray(e):a.deleteVertexArrayOES(e)}function p(t){const e=[],n=[],i=[];for(let t=0;t<r;t++)e[t]=0,n[t]=0,i[t]=0;return{geometry:null,program:null,wireframe:!1,newAttributes:e,enabledAttributes:n,attributeDivisors:i,object:t,attributes:{},index:null}}function f(){const t=c.newAttributes;for(let e=0,n=t.length;e<n;e++)t[e]=0}function m(t){g(t,0)}function g(n,r){const a=c.newAttributes,o=c.enabledAttributes,s=c.attributeDivisors;if(a[n]=1,0===o[n]&&(t.enableVertexAttribArray(n),o[n]=1),s[n]!==r){(i.isWebGL2?t:e.get("ANGLE_instanced_arrays"))[i.isWebGL2?"vertexAttribDivisor":"vertexAttribDivisorANGLE"](n,r),s[n]=r}}function v(){const e=c.newAttributes,n=c.enabledAttributes;for(let i=0,r=n.length;i<r;i++)n[i]!==e[i]&&(t.disableVertexAttribArray(i),n[i]=0)}function _(e,n,i,r,a,o,s){!0===s?t.vertexAttribIPointer(e,n,i,a,o):t.vertexAttribPointer(e,n,i,r,a,o)}function y(){x(),u=!0,c!==l&&(c=l,h(c.object))}function x(){l.geometry=null,l.program=null,l.wireframe=!1}return{setup:function(r,l,d,y,x){let b=!1;if(o){const e=function(e,n,r){const o=!0===r.wireframe;let l=s[e.id];void 0===l&&(l={},s[e.id]=l);let c=l[n.id];void 0===c&&(c={},l[n.id]=c);let u=c[o];void 0===u&&(u=p(i.isWebGL2?t.createVertexArray():a.createVertexArrayOES()),c[o]=u);return u}(y,d,l);c!==e&&(c=e,h(c.object)),b=function(t,e,n,i){const r=c.attributes,a=e.attributes;let o=0;const s=n.getAttributes();for(const e in s){if(s[e].location>=0){const n=r[e];let i=a[e];if(void 0===i&&("instanceMatrix"===e&&t.instanceMatrix&&(i=t.instanceMatrix),"instanceColor"===e&&t.instanceColor&&(i=t.instanceColor)),void 0===n)return!0;if(n.attribute!==i)return!0;if(i&&n.data!==i.data)return!0;o++}}return c.attributesNum!==o||c.index!==i}(r,y,d,x),b&&function(t,e,n,i){const r={},a=e.attributes;let o=0;const s=n.getAttributes();for(const e in s){if(s[e].location>=0){let n=a[e];void 0===n&&("instanceMatrix"===e&&t.instanceMatrix&&(n=t.instanceMatrix),"instanceColor"===e&&t.instanceColor&&(n=t.instanceColor));const i={};i.attribute=n,n&&n.data&&(i.data=n.data),r[e]=i,o++}}c.attributes=r,c.attributesNum=o,c.index=i}(r,y,d,x)}else{const t=!0===l.wireframe;c.geometry===y.id&&c.program===d.id&&c.wireframe===t||(c.geometry=y.id,c.program=d.id,c.wireframe=t,b=!0)}null!==x&&n.update(x,t.ELEMENT_ARRAY_BUFFER),(b||u)&&(u=!1,function(r,a,o,s){if(!1===i.isWebGL2&&(r.isInstancedMesh||s.isInstancedBufferGeometry)&&null===e.get("ANGLE_instanced_arrays"))return;f();const l=s.attributes,c=o.getAttributes(),u=a.defaultAttributeValues;for(const e in c){const a=c[e];if(a.location>=0){let o=l[e];if(void 0===o&&("instanceMatrix"===e&&r.instanceMatrix&&(o=r.instanceMatrix),"instanceColor"===e&&r.instanceColor&&(o=r.instanceColor)),void 0!==o){const e=o.normalized,l=o.itemSize,c=n.get(o);if(void 0===c)continue;const u=c.buffer,h=c.type,d=c.bytesPerElement,p=!0===i.isWebGL2&&(h===t.INT||h===t.UNSIGNED_INT||o.gpuType===G);if(o.isInterleavedBufferAttribute){const n=o.data,i=n.stride,c=o.offset;if(n.isInstancedInterleavedBuffer){for(let t=0;t<a.locationSize;t++)g(a.location+t,n.meshPerAttribute);!0!==r.isInstancedMesh&&void 0===s._maxInstanceCount&&(s._maxInstanceCount=n.meshPerAttribute*n.count)}else for(let t=0;t<a.locationSize;t++)m(a.location+t);t.bindBuffer(t.ARRAY_BUFFER,u);for(let t=0;t<a.locationSize;t++)_(a.location+t,l/a.locationSize,h,e,i*d,(c+l/a.locationSize*t)*d,p)}else{if(o.isInstancedBufferAttribute){for(let t=0;t<a.locationSize;t++)g(a.location+t,o.meshPerAttribute);!0!==r.isInstancedMesh&&void 0===s._maxInstanceCount&&(s._maxInstanceCount=o.meshPerAttribute*o.count)}else for(let t=0;t<a.locationSize;t++)m(a.location+t);t.bindBuffer(t.ARRAY_BUFFER,u);for(let t=0;t<a.locationSize;t++)_(a.location+t,l/a.locationSize,h,e,l*d,l/a.locationSize*t*d,p)}}else if(void 0!==u){const n=u[e];if(void 0!==n)switch(n.length){case 2:t.vertexAttrib2fv(a.location,n);break;case 3:t.vertexAttrib3fv(a.location,n);break;case 4:t.vertexAttrib4fv(a.location,n);break;default:t.vertexAttrib1fv(a.location,n)}}}}v()}(r,l,d,y),null!==x&&t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,n.get(x).buffer))},reset:y,resetDefaultState:x,dispose:function(){y();for(const t in s){const e=s[t];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete s[t]}},releaseStatesOfGeometry:function(t){if(void 0===s[t.id])return;const e=s[t.id];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete s[t.id]},releaseStatesOfProgram:function(t){for(const e in s){const n=s[e];if(void 0===n[t.id])continue;const i=n[t.id];for(const t in i)d(i[t].object),delete i[t];delete n[t.id]}},initAttributes:f,enableAttribute:m,disableUnusedAttributes:v}}function zi(t,e,n,i){const r=i.isWebGL2;let a;this.setMode=function(t){a=t},this.render=function(e,i){t.drawArrays(a,e,i),n.update(i,a,1)},this.renderInstances=function(i,o,s){if(0===s)return;let l,c;if(r)l=t,c="drawArraysInstanced";else if(l=e.get("ANGLE_instanced_arrays"),c="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[c](a,i,o,s),n.update(o,a,s)},this.renderMultiDraw=function(t,i,r){if(0===r)return;const o=e.get("WEBGL_multi_draw");if(null===o)for(let e=0;e<r;e++)this.render(t[e],i[e]);else{o.multiDrawArraysWEBGL(a,t,0,i,0,r);let e=0;for(let t=0;t<r;t++)e+=i[t];n.update(e,a,1)}}}function Bi(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const a="undefined"!=typeof WebGL2RenderingContext&&"WebGL2RenderingContext"===t.constructor.name;let o=void 0!==n.precision?n.precision:"highp";const s=r(o);s!==o&&(console.warn("THREE.WebGLRenderer:",o,"not supported, using",s,"instead."),o=s);const l=a||e.has("WEBGL_draw_buffers"),c=!0===n.logarithmicDepthBuffer,u=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),h=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),d=t.getParameter(t.MAX_TEXTURE_SIZE),p=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),f=t.getParameter(t.MAX_VERTEX_ATTRIBS),m=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),g=t.getParameter(t.MAX_VARYING_VECTORS),v=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),_=h>0,y=a||e.has("OES_texture_float");return{isWebGL2:a,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:o,logarithmicDepthBuffer:c,maxTextures:u,maxVertexTextures:h,maxTextureSize:d,maxCubemapSize:p,maxAttributes:f,maxVertexUniforms:m,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:_,floatFragmentTextures:y,floatVertexTextures:_&&y,maxSamples:a?t.getParameter(t.MAX_SAMPLES):0}}function Hi(t){const e=this;let n=null,i=0,r=!1,a=!1;const o=new Ei,s=new Pt,l={value:null,needsUpdate:!1};function c(t,n,i,r){const a=null!==t?t.length:0;let c=null;if(0!==a){if(c=l.value,!0!==r||null===c){const e=i+4*a,r=n.matrixWorldInverse;s.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,n=i;e!==a;++e,n+=4)o.copy(t[e]).applyMatrix4(r,s),o.normal.toArray(c,n),c[n+3]=o.constant}l.value=c,l.needsUpdate=!0}return e.numPlanes=a,e.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e){const n=0!==t.length||e||0!==i||r;return r=e,i=t.length,n},this.beginShadows=function(){a=!0,c(null)},this.endShadows=function(){a=!1},this.setGlobalState=function(t,e){n=c(t,e,0)},this.setState=function(o,s,u){const h=o.clippingPlanes,d=o.clipIntersection,p=o.clipShadows,f=t.get(o);if(!r||null===h||0===h.length||a&&!p)a?c(null):function(){l.value!==n&&(l.value=n,l.needsUpdate=i>0);e.numPlanes=i,e.numIntersection=0}();else{const t=a?0:i,e=4*t;let r=f.clippingState||null;l.value=r,r=c(h,s,e,u);for(let t=0;t!==e;++t)r[t]=n[t];f.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Gi(t){let e=new WeakMap;function n(t,e){return 303===e?t.mapping=C:304===e&&(t.mapping=P),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const a=r.mapping;if(303===a||304===a){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const a=r.image;if(a&&a.height>0){const o=new xi(a.height);return o.fromEquirectangularTexture(t,r),e.set(r,o),r.addEventListener("dispose",i),n(o.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class Vi extends di{constructor(t=-1,e=1,n=1,i=-1,r=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=a,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,a=n+t,o=i+e,s=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,a=r+t*this.view.width,o-=e*this.view.offsetY,s=o-e*this.view.height}this.projectionMatrix.makeOrthographic(r,a,o,s,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const ji=[.125,.215,.35,.446,.526,.582],Wi=20,Xi=new Vi,qi=new Mn;let Yi=null,$i=0,Ki=0;const Zi=(1+Math.sqrt(5))/2,Ji=1/Zi,Qi=[new ne(1,1,1),new ne(-1,1,1),new ne(1,1,-1),new ne(-1,1,-1),new ne(0,Zi,Ji),new ne(0,Zi,-Ji),new ne(Ji,0,Zi),new ne(-Ji,0,Zi),new ne(Zi,Ji,0),new ne(-Zi,Ji,0)];class tr{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){Yi=this._renderer.getRenderTarget(),$i=this._renderer.getActiveCubeFace(),Ki=this._renderer.getActiveMipmapLevel(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=rr(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ir(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(Yi,$i,Ki),t.scissorTest=!1,nr(t,0,0,t.width,t.height)}_fromTexture(t,e){t.mapping===C||t.mapping===P?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),Yi=this._renderer.getRenderTarget(),$i=this._renderer.getActiveCubeFace(),Ki=this._renderer.getActiveMipmapLevel();const n=e||this._allocateTargets();return this._textureToCubeUV(t,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize,n={magFilter:F,minFilter:F,generateMipmaps:!1,type:W,format:q,colorSpace:it,depthBuffer:!1},i=er(t,e,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t||this._pingPongRenderTarget.height!==e){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=er(t,e,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],n=[],i=[];let r=t;const a=t-4+1+ji.length;for(let o=0;o<a;o++){const a=Math.pow(2,r);n.push(a);let s=1/a;o>t-4?s=ji[o-t+4-1]:0===o&&(s=0),i.push(s);const l=1/(a-2),c=-l,u=1+l,h=[c,c,u,c,u,u,c,c,u,u,c,u],d=6,p=6,f=3,m=2,g=1,v=new Float32Array(f*p*d),_=new Float32Array(m*p*d),y=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,n=t>2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,f*p*t),_.set(h,m*p*t);const r=[t,t,t,t,t,t];y.set(r,g*p*t)}const x=new Bn;x.setAttribute("position",new Cn(v,f)),x.setAttribute("uv",new Cn(_,m)),x.setAttribute("faceIndex",new Cn(y,g)),e.push(x),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Wi),r=new ne(0,1,0),a=new hi({name:"SphericalGaussianBlur",defines:{n:Wi,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:ar(),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#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}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return a}(i,t,e)}return i}_compileMaterial(t){const e=new ri(this._lodPlanes[0],t);this._renderer.compile(e,Xi)}_sceneToCubeUV(t,e,n,i){const r=new gi(90,1,e,n),a=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],s=this._renderer,l=s.autoClear,c=s.toneMapping;s.getClearColor(qi),s.toneMapping=b,s.autoClear=!1;const u=new Tn({name:"PMREM.Background",side:g,depthWrite:!1,depthTest:!1}),h=new ri(new oi,u);let d=!1;const p=t.background;p?p.isColor&&(u.color.copy(p),t.background=null,d=!0):(u.color.copy(qi),d=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,a[e],0),r.lookAt(o[e],0,0)):1===n?(r.up.set(0,0,a[e]),r.lookAt(0,o[e],0)):(r.up.set(0,a[e],0),r.lookAt(0,0,o[e]));const l=this._cubeSize;nr(i,n*l,e>2?l:0,l,l),s.setRenderTarget(i),d&&s.render(h,r),s.render(t,r)}h.geometry.dispose(),h.material.dispose(),s.toneMapping=c,s.autoClear=l,t.background=p}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===C||t.mapping===P;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=rr()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=ir());const r=i?this._cubemapMaterial:this._equirectMaterial,a=new ri(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const o=this._cubeSize;nr(e,0,0,3*o,2*o),n.setRenderTarget(e),n.render(a,Xi)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const n=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),i=Qi[(e-1)%Qi.length];this._blur(t,e-1,e,n,i)}e.autoClear=n}_blur(t,e,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(t,a,e,n,i,"latitudinal",r),this._halfBlur(a,t,n,n,i,"longitudinal",r)}_halfBlur(t,e,n,i,r,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new ri(this._lodPlanes[i],l),u=l.uniforms,h=this._sizeLods[n]-1,d=isFinite(r)?Math.PI/(2*h):2*Math.PI/39,p=r/d,f=isFinite(r)?1+Math.floor(3*p):Wi;f>Wi&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const m=[];let g=0;for(let t=0;t<Wi;++t){const e=t/p,n=Math.exp(-e*e/2);m.push(n),0===t?g+=n:t<f&&(g+=2*n)}for(let t=0;t<m.length;t++)m[t]=m[t]/g;u.envMap.value=t.texture,u.samples.value=f,u.weights.value=m,u.latitudinal.value="latitudinal"===a,o&&(u.poleAxis.value=o);const{_lodMax:v}=this;u.dTheta.value=d,u.mipInt.value=v-n;const _=this._sizeLods[i];nr(e,3*_*(i>v-4?i-v+4:0),4*(this._cubeSize-_),3*_,2*_),s.setRenderTarget(e),s.render(c,Xi)}}function er(t,e,n){const i=new Jt(t,e,n);return i.texture.mapping=L,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function nr(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function ir(){return new hi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:ar(),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\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function rr(){return new hi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:ar(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function ar(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\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"}function or(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const a=r.mapping,o=303===a||304===a,s=a===C||a===P;if(o||s){if(r.isRenderTargetTexture&&!0===r.needsPMREMUpdate){r.needsPMREMUpdate=!1;let i=e.get(r);return null===n&&(n=new tr(t)),i=o?n.fromEquirectangular(r,i):n.fromCubemap(r,i),e.set(r,i),i.texture}if(e.has(r))return e.get(r).texture;{const a=r.image;if(o&&a&&a.height>0||s&&a&&function(t){let e=0;const n=6;for(let i=0;i<n;i++)void 0!==t[i]&&e++;return e===n}(a)){null===n&&(n=new tr(t));const a=o?n.fromEquirectangular(r):n.fromCubemap(r);return e.set(r,a),r.addEventListener("dispose",i),a.texture}return null}}}return r},dispose:function(){e=new WeakMap,null!==n&&(n.dispose(),n=null)}}}function sr(t){const e={};function n(n){if(void 0!==e[n])return e[n];let i;switch(n){case"WEBGL_depth_texture":i=t.getExtension("WEBGL_depth_texture")||t.getExtension("MOZ_WEBGL_depth_texture")||t.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=t.getExtension("EXT_texture_filter_anisotropic")||t.getExtension("MOZ_EXT_texture_filter_anisotropic")||t.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=t.getExtension("WEBGL_compressed_texture_s3tc")||t.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=t.getExtension("WEBGL_compressed_texture_pvrtc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=t.getExtension(n)}return e[n]=i,i}return{has:function(t){return null!==n(t)},init:function(t){t.isWebGL2?(n("EXT_color_buffer_float"),n("WEBGL_clip_cull_distance")):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture")},get:function(t){const e=n(t);return null===e&&console.warn("THREE.WebGLRenderer: "+t+" extension not supported."),e}}}function lr(t,e,n,i){const r={},a=new WeakMap;function o(t){const s=t.target;null!==s.index&&e.remove(s.index);for(const t in s.attributes)e.remove(s.attributes[t]);for(const t in s.morphAttributes){const n=s.morphAttributes[t];for(let t=0,i=n.length;t<i;t++)e.remove(n[t])}s.removeEventListener("dispose",o),delete r[s.id];const l=a.get(s);l&&(e.remove(l),a.delete(s)),i.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete 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e={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:e,programs:null,autoReset:!0,reset:function(){e.calls=0,e.triangles=0,e.points=0,e.lines=0},update:function(n,i,r){switch(e.calls++,i){case t.TRIANGLES:e.triangles+=r*(n/3);break;case t.LINES:e.lines+=r*(n/2);break;case t.LINE_STRIP:e.lines+=r*(n-1);break;case t.LINE_LOOP:e.lines+=r*n;break;case t.POINTS:e.points+=r*n;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",i)}}}}function hr(t,e){return t[0]-e[0]}function dr(t,e){return Math.abs(e[1])-Math.abs(t[1])}function pr(t,e,n){const i={},r=new Float32Array(8),a=new WeakMap,o=new Kt,s=[];for(let t=0;t<8;t++)s[t]=[t,0];return{update:function(l,c,u){const h=l.morphTargetInfluences;if(!0===e.isWebGL2){const d=c.morphAttributes.position||c.morphAttributes.normal||c.morphAttributes.color,p=void 0!==d?d.length:0;let f=a.get(c);if(void 0===f||f.count!==p){void 0!==f&&f.texture.dispose();const m=void 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s=i.render.frame,l=o.geometry,c=e.get(o,l);if(r.get(c)!==s&&(e.update(c),r.set(c,s)),o.isInstancedMesh&&(!1===o.hasEventListener("dispose",a)&&o.addEventListener("dispose",a),r.get(o)!==s&&(n.update(o.instanceMatrix,t.ARRAY_BUFFER),null!==o.instanceColor&&n.update(o.instanceColor,t.ARRAY_BUFFER),r.set(o,s))),o.isSkinnedMesh){const t=o.skeleton;r.get(t)!==s&&(t.update(),r.set(t,s))}return c},dispose:function(){r=new WeakMap}}}class mr extends $t{constructor(t,e,n,i,r,a,o,s,l,c){if((c=void 0!==c?c:Y)!==Y&&c!==$)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&c===Y&&(n=V),void 0===n&&c===$&&(n=X),super(null,i,r,a,o,s,c,n,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==o?o:I,this.minFilter=void 0!==s?s:I,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}const gr=new $t,vr=new mr(1,1);vr.compareFunction=515;const _r=new Qt,yr=new te,xr=new yi,br=[],Mr=[],Sr=new Float32Array(16),Er=new Float32Array(9),wr=new Float32Array(4);function Tr(t,e,n){const i=t[0];if(i<=0||i>0)return t;const r=e*n;let a=br[r];if(void 0===a&&(a=new Float32Array(r),br[r]=a),0!==e){i.toArray(a,0);for(let i=1,r=0;i!==e;++i)r+=n,t[i].toArray(a,r)}return a}function Ar(t,e){if(t.length!==e.length)return!1;for(let n=0,i=t.length;n<i;n++)if(t[n]!==e[n])return!1;return!0}function Rr(t,e){for(let n=0,i=e.length;n<i;n++)t[n]=e[n]}function Cr(t,e){let n=Mr[e];void 0===n&&(n=new Int32Array(e),Mr[e]=n);for(let i=0;i!==e;++i)n[i]=t.allocateTextureUnit();return n}function Pr(t,e){const n=this.cache;n[0]!==e&&(t.uniform1f(this.addr,e),n[0]=e)}function Lr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2f(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Ar(n,e))return;t.uniform2fv(this.addr,e),Rr(n,e)}}function Or(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3f(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else if(void 0!==e.r)n[0]===e.r&&n[1]===e.g&&n[2]===e.b||(t.uniform3f(this.addr,e.r,e.g,e.b),n[0]=e.r,n[1]=e.g,n[2]=e.b);else{if(Ar(n,e))return;t.uniform3fv(this.addr,e),Rr(n,e)}}function Dr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4f(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Ar(n,e))return;t.uniform4fv(this.addr,e),Rr(n,e)}}function Nr(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Ar(n,e))return;t.uniformMatrix2fv(this.addr,!1,e),Rr(n,e)}else{if(Ar(n,i))return;wr.set(i),t.uniformMatrix2fv(this.addr,!1,wr),Rr(n,i)}}function Ir(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Ar(n,e))return;t.uniformMatrix3fv(this.addr,!1,e),Rr(n,e)}else{if(Ar(n,i))return;Er.set(i),t.uniformMatrix3fv(this.addr,!1,Er),Rr(n,i)}}function Ur(t,e){const n=this.cache,i=e.elements;if(void 0===i){if(Ar(n,e))return;t.uniformMatrix4fv(this.addr,!1,e),Rr(n,e)}else{if(Ar(n,i))return;Sr.set(i),t.uniformMatrix4fv(this.addr,!1,Sr),Rr(n,i)}}function Fr(t,e){const n=this.cache;n[0]!==e&&(t.uniform1i(this.addr,e),n[0]=e)}function kr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2i(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Ar(n,e))return;t.uniform2iv(this.addr,e),Rr(n,e)}}function zr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3i(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else{if(Ar(n,e))return;t.uniform3iv(this.addr,e),Rr(n,e)}}function Br(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4i(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Ar(n,e))return;t.uniform4iv(this.addr,e),Rr(n,e)}}function Hr(t,e){const n=this.cache;n[0]!==e&&(t.uniform1ui(this.addr,e),n[0]=e)}function Gr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y||(t.uniform2ui(this.addr,e.x,e.y),n[0]=e.x,n[1]=e.y);else{if(Ar(n,e))return;t.uniform2uiv(this.addr,e),Rr(n,e)}}function Vr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z||(t.uniform3ui(this.addr,e.x,e.y,e.z),n[0]=e.x,n[1]=e.y,n[2]=e.z);else{if(Ar(n,e))return;t.uniform3uiv(this.addr,e),Rr(n,e)}}function jr(t,e){const n=this.cache;if(void 0!==e.x)n[0]===e.x&&n[1]===e.y&&n[2]===e.z&&n[3]===e.w||(t.uniform4ui(this.addr,e.x,e.y,e.z,e.w),n[0]=e.x,n[1]=e.y,n[2]=e.z,n[3]=e.w);else{if(Ar(n,e))return;t.uniform4uiv(this.addr,e),Rr(n,e)}}function Wr(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r);const a=this.type===t.SAMPLER_2D_SHADOW?vr:gr;n.setTexture2D(e||a,r)}function Xr(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTexture3D(e||yr,r)}function qr(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTextureCube(e||xr,r)}function Yr(t,e,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(t.uniform1i(this.addr,r),i[0]=r),n.setTexture2DArray(e||_r,r)}function $r(t,e){t.uniform1fv(this.addr,e)}function Kr(t,e){const n=Tr(e,this.size,2);t.uniform2fv(this.addr,n)}function Zr(t,e){const n=Tr(e,this.size,3);t.uniform3fv(this.addr,n)}function Jr(t,e){const n=Tr(e,this.size,4);t.uniform4fv(this.addr,n)}function Qr(t,e){const n=Tr(e,this.size,4);t.uniformMatrix2fv(this.addr,!1,n)}function ta(t,e){const n=Tr(e,this.size,9);t.uniformMatrix3fv(this.addr,!1,n)}function ea(t,e){const n=Tr(e,this.size,16);t.uniformMatrix4fv(this.addr,!1,n)}function na(t,e){t.uniform1iv(this.addr,e)}function ia(t,e){t.uniform2iv(this.addr,e)}function ra(t,e){t.uniform3iv(this.addr,e)}function aa(t,e){t.uniform4iv(this.addr,e)}function oa(t,e){t.uniform1uiv(this.addr,e)}function sa(t,e){t.uniform2uiv(this.addr,e)}function la(t,e){t.uniform3uiv(this.addr,e)}function ca(t,e){t.uniform4uiv(this.addr,e)}function ua(t,e,n){const i=this.cache,r=e.length,a=Cr(n,r);Ar(i,a)||(t.uniform1iv(this.addr,a),Rr(i,a));for(let t=0;t!==r;++t)n.setTexture2D(e[t]||gr,a[t])}function ha(t,e,n){const i=this.cache,r=e.length,a=Cr(n,r);Ar(i,a)||(t.uniform1iv(this.addr,a),Rr(i,a));for(let t=0;t!==r;++t)n.setTexture3D(e[t]||yr,a[t])}function da(t,e,n){const i=this.cache,r=e.length,a=Cr(n,r);Ar(i,a)||(t.uniform1iv(this.addr,a),Rr(i,a));for(let t=0;t!==r;++t)n.setTextureCube(e[t]||xr,a[t])}function pa(t,e,n){const i=this.cache,r=e.length,a=Cr(n,r);Ar(i,a)||(t.uniform1iv(this.addr,a),Rr(i,a));for(let 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USE_MAP":"",n.matcap?"#define USE_MATCAP":"",n.envMap?"#define USE_ENVMAP":"",n.envMap?"#define "+c:"",n.envMap?"#define "+u:"",n.envMap?"#define "+h:"",m?"#define CUBEUV_TEXEL_WIDTH "+m.texelWidth:"",m?"#define CUBEUV_TEXEL_HEIGHT "+m.texelHeight:"",m?"#define CUBEUV_MAX_MIP "+m.maxMip+".0":"",n.lightMap?"#define USE_LIGHTMAP":"",n.aoMap?"#define USE_AOMAP":"",n.bumpMap?"#define USE_BUMPMAP":"",n.normalMap?"#define USE_NORMALMAP":"",n.normalMapObjectSpace?"#define USE_NORMALMAP_OBJECTSPACE":"",n.normalMapTangentSpace?"#define USE_NORMALMAP_TANGENTSPACE":"",n.emissiveMap?"#define USE_EMISSIVEMAP":"",n.anisotropy?"#define USE_ANISOTROPY":"",n.anisotropyMap?"#define USE_ANISOTROPYMAP":"",n.clearcoat?"#define USE_CLEARCOAT":"",n.clearcoatMap?"#define USE_CLEARCOATMAP":"",n.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",n.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",n.iridescence?"#define USE_IRIDESCENCE":"",n.iridescenceMap?"#define USE_IRIDESCENCEMAP":"",n.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",n.specularMap?"#define USE_SPECULARMAP":"",n.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",n.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",n.roughnessMap?"#define USE_ROUGHNESSMAP":"",n.metalnessMap?"#define USE_METALNESSMAP":"",n.alphaMap?"#define USE_ALPHAMAP":"",n.alphaTest?"#define USE_ALPHATEST":"",n.alphaHash?"#define USE_ALPHAHASH":"",n.sheen?"#define USE_SHEEN":"",n.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",n.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",n.transmission?"#define USE_TRANSMISSION":"",n.transmissionMap?"#define USE_TRANSMISSIONMAP":"",n.thicknessMap?"#define USE_THICKNESSMAP":"",n.vertexTangents&&!1===n.flatShading?"#define USE_TANGENT":"",n.vertexColors||n.instancingColor?"#define USE_COLOR":"",n.vertexAlphas?"#define USE_COLOR_ALPHA":"",n.vertexUv1s?"#define USE_UV1":"",n.vertexUv2s?"#define USE_UV2":"",n.vertexUv3s?"#define 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OPAQUE":"",Li.colorspace_pars_fragment,wa("linearToOutputTexel",n.outputColorSpace),n.useDepthPacking?"#define DEPTH_PACKING "+n.depthPacking:"","\n"].filter(Aa).join("\n")),o=La(o),o=Ra(o,n),o=Ca(o,n),s=La(s),s=Ra(s,n),s=Ca(s,n),o=Ia(o),s=Ia(s),n.isWebGL2&&!0!==n.isRawShaderMaterial&&(T="#version 300 es\n",E=[v,"precision mediump sampler2DArray;","#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+E,w=["precision mediump sampler2DArray;","#define varying in",n.glslVersion===ht?"":"layout(location = 0) out highp vec4 pc_fragColor;",n.glslVersion===ht?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+w);const A=T+E+o,R=T+w+s,O=ba(r,r.VERTEX_SHADER,A),D=ba(r,r.FRAGMENT_SHADER,R);function N(e){if(t.debug.checkShaderErrors){const n=r.getProgramInfoLog(S).trim(),i=r.getShaderInfoLog(O).trim(),a=r.getShaderInfoLog(D).trim();let o=!0,s=!0;if(!1===r.getProgramParameter(S,r.LINK_STATUS))if(o=!1,"function"==typeof t.debug.onShaderError)t.debug.onShaderError(r,S,O,D);else{const t=Ea(r,O,"vertex"),i=Ea(r,D,"fragment");console.error("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(S,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+e.name+"\nMaterial Type: "+e.type+"\n\nProgram Info Log: "+n+"\n"+t+"\n"+i)}else""!==n?console.warn("THREE.WebGLProgram: Program Info Log:",n):""!==i&&""!==a||(s=!1);s&&(e.diagnostics={runnable:o,programLog:n,vertexShader:{log:i,prefix:E},fragmentShader:{log:a,prefix:w}})}r.deleteShader(O),r.deleteShader(D),I=new xa(r,S),U=function(t,e){const n={},i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES);for(let r=0;r<i;r++){const i=t.getActiveAttrib(e,r),a=i.name;let o=1;i.type===t.FLOAT_MAT2&&(o=2),i.type===t.FLOAT_MAT3&&(o=3),i.type===t.FLOAT_MAT4&&(o=4),n[a]={type:i.type,location:t.getAttribLocation(e,a),locationSize:o}}return n}(r,S)}let I,U;r.attachShader(S,O),r.attachShader(S,D),void 0!==n.index0AttributeName?r.bindAttribLocation(S,0,n.index0AttributeName):!0===n.morphTargets&&r.bindAttribLocation(S,0,"position"),r.linkProgram(S),this.getUniforms=function(){return void 0===I&&N(this),I},this.getAttributes=function(){return void 0===U&&N(this),U};let F=!1===n.rendererExtensionParallelShaderCompile;return this.isReady=function(){return!1===F&&(F=r.getProgramParameter(S,Ma)),F},this.destroy=function(){i.releaseStatesOfProgram(this),r.deleteProgram(S),this.program=void 0},this.type=n.shaderType,this.name=n.shaderName,this.id=Sa++,this.cacheKey=e,this.usedTimes=1,this.program=S,this.vertexShader=O,this.fragmentShader=D,this}let za=0;class Ba{constructor(){this.shaderCache=new Map,this.materialCache=new Map}update(t){const e=t.vertexShader,n=t.fragmentShader,i=this._getShaderStage(e),r=this._getShaderStage(n),a=this._getShaderCacheForMaterial(t);return!1===a.has(i)&&(a.add(i),i.usedTimes++),!1===a.has(r)&&(a.add(r),r.usedTimes++),this}remove(t){const e=this.materialCache.get(t);for(const t of e)t.usedTimes--,0===t.usedTimes&&this.shaderCache.delete(t.code);return this.materialCache.delete(t),this}getVertexShaderID(t){return this._getShaderStage(t.vertexShader).id}getFragmentShaderID(t){return this._getShaderStage(t.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(t){const e=this.materialCache;let n=e.get(t);return void 0===n&&(n=new Set,e.set(t,n)),n}_getShaderStage(t){const e=this.shaderCache;let n=e.get(t);return void 0===n&&(n=new Ha(t),e.set(t,n)),n}}class Ha{constructor(t){this.id=za++,this.code=t,this.usedTimes=0}}function Ga(t,e,n,i,r,a,o){const s=new Ve,l=new Ba,c=new Set,u=[],h=r.isWebGL2,d=r.logarithmicDepthBuffer,p=r.vertexTextures;let f=r.precision;const m={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"};function v(t){return c.add(t),0===t?"uv":`uv${t}`}return{getParameters:function(a,s,u,_,y){const x=_.fog,M=y.geometry,S=a.isMeshStandardMaterial?_.environment:null,E=(a.isMeshStandardMaterial?n:e).get(a.envMap||S),w=E&&E.mapping===L?E.image.height:null,T=m[a.type];null!==a.precision&&(f=r.getMaxPrecision(a.precision),f!==a.precision&&console.warn("THREE.WebGLProgram.getParameters:",a.precision,"not supported, using",f,"instead."));const A=M.morphAttributes.position||M.morphAttributes.normal||M.morphAttributes.color,R=void 0!==A?A.length:0;let C,P,O,D,N=0;if(void 0!==M.morphAttributes.position&&(N=1),void 0!==M.morphAttributes.normal&&(N=2),void 0!==M.morphAttributes.color&&(N=3),T){const t=Di[T];C=t.vertexShader,P=t.fragmentShader}else C=a.vertexShader,P=a.fragmentShader,l.update(a),O=l.getVertexShaderID(a),D=l.getFragmentShaderID(a);const I=t.getRenderTarget(),U=!0===y.isInstancedMesh,F=!0===y.isBatchedMesh,k=!!a.map,z=!!a.matcap,B=!!E,H=!!a.aoMap,G=!!a.lightMap,V=!!a.bumpMap,j=!!a.normalMap,W=!!a.displacementMap,X=!!a.emissiveMap,q=!!a.metalnessMap,Y=!!a.roughnessMap,$=a.anisotropy>0,K=a.clearcoat>0,Z=a.iridescence>0,J=a.sheen>0,Q=a.transmission>0,tt=$&&!!a.anisotropyMap,et=K&&!!a.clearcoatMap,nt=K&&!!a.clearcoatNormalMap,rt=K&&!!a.clearcoatRoughnessMap,at=Z&&!!a.iridescenceMap,ot=Z&&!!a.iridescenceThicknessMap,lt=J&&!!a.sheenColorMap,ct=J&&!!a.sheenRoughnessMap,ut=!!a.specularMap,ht=!!a.specularColorMap,dt=!!a.specularIntensityMap,pt=Q&&!!a.transmissionMap,ft=Q&&!!a.thicknessMap,mt=!!a.gradientMap,gt=!!a.alphaMap,vt=a.alphaTest>0,_t=!!a.alphaHash,yt=!!a.extensions;let xt=b;a.toneMapped&&(null!==I&&!0!==I.isXRRenderTarget||(xt=t.toneMapping));const bt={isWebGL2:h,shaderID:T,shaderType:a.type,shaderName:a.name,vertexShader:C,fragmentShader:P,defines:a.defines,customVertexShaderID:O,customFragmentShaderID:D,isRawShaderMaterial:!0===a.isRawShaderMaterial,glslVersion:a.glslVersion,precision:f,batching:F,instancing:U,instancingColor:U&&null!==y.instanceColor,instancingMorph:U&&null!==y.morphTexture,supportsVertexTextures:p,outputColorSpace:null===I?t.outputColorSpace:!0===I.isXRRenderTarget?I.texture.colorSpace:it,alphaToCoverage:!!a.alphaToCoverage,map:k,matcap:z,envMap:B,envMapMode:B&&E.mapping,envMapCubeUVHeight:w,aoMap:H,lightMap:G,bumpMap:V,normalMap:j,displacementMap:p&&W,emissiveMap:X,normalMapObjectSpace:j&&1===a.normalMapType,normalMapTangentSpace:j&&0===a.normalMapType,metalnessMap:q,roughnessMap:Y,anisotropy:$,anisotropyMap:tt,clearcoat:K,clearcoatMap:et,clearcoatNormalMap:nt,clearcoatRoughnessMap:rt,iridescence:Z,iridescenceMap:at,iridescenceThicknessMap:ot,sheen:J,sheenColorMap:lt,sheenRoughnessMap:ct,specularMap:ut,specularColorMap:ht,specularIntensityMap:dt,transmission:Q,transmissionMap:pt,thicknessMap:ft,gradientMap:mt,opaque:!1===a.transparent&&1===a.blending&&!1===a.alphaToCoverage,alphaMap:gt,alphaTest:vt,alphaHash:_t,combine:a.combine,mapUv:k&&v(a.map.channel),aoMapUv:H&&v(a.aoMap.channel),lightMapUv:G&&v(a.lightMap.channel),bumpMapUv:V&&v(a.bumpMap.channel),normalMapUv:j&&v(a.normalMap.channel),displacementMapUv:W&&v(a.displacementMap.channel),emissiveMapUv:X&&v(a.emissiveMap.channel),metalnessMapUv:q&&v(a.metalnessMap.channel),roughnessMapUv:Y&&v(a.roughnessMap.channel),anisotropyMapUv:tt&&v(a.anisotropyMap.channel),clearcoatMapUv:et&&v(a.clearcoatMap.channel),clearcoatNormalMapUv:nt&&v(a.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:rt&&v(a.clearcoatRoughnessMap.channel),iridescenceMapUv:at&&v(a.iridescenceMap.channel),iridescenceThicknessMapUv:ot&&v(a.iridescenceThicknessMap.channel),sheenColorMapUv:lt&&v(a.sheenColorMap.channel),sheenRoughnessMapUv:ct&&v(a.sheenRoughnessMap.channel),specularMapUv:ut&&v(a.specularMap.channel),specularColorMapUv:ht&&v(a.specularColorMap.channel),specularIntensityMapUv:dt&&v(a.specularIntensityMap.channel),transmissionMapUv:pt&&v(a.transmissionMap.channel),thicknessMapUv:ft&&v(a.thicknessMap.channel),alphaMapUv:gt&&v(a.alphaMap.channel),vertexTangents:!!M.attributes.tangent&&(j||$),vertexColors:a.vertexColors,vertexAlphas:!0===a.vertexColors&&!!M.attributes.color&&4===M.attributes.color.itemSize,pointsUvs:!0===y.isPoints&&!!M.attributes.uv&&(k||gt),fog:!!x,useFog:!0===a.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===a.flatShading,sizeAttenuation:!0===a.sizeAttenuation,logarithmicDepthBuffer:d,skinning:!0===y.isSkinnedMesh,morphTargets:void 0!==M.morphAttributes.position,morphNormals:void 0!==M.morphAttributes.normal,morphColors:void 0!==M.morphAttributes.color,morphTargetsCount:R,morphTextureStride:N,numDirLights:s.directional.length,numPointLights:s.point.length,numSpotLights:s.spot.length,numSpotLightMaps:s.spotLightMap.length,numRectAreaLights:s.rectArea.length,numHemiLights:s.hemi.length,numDirLightShadows:s.directionalShadowMap.length,numPointLightShadows:s.pointShadowMap.length,numSpotLightShadows:s.spotShadowMap.length,numSpotLightShadowsWithMaps:s.numSpotLightShadowsWithMaps,numLightProbes:s.numLightProbes,numClippingPlanes:o.numPlanes,numClipIntersection:o.numIntersection,dithering:a.dithering,shadowMapEnabled:t.shadowMap.enabled&&u.length>0,shadowMapType:t.shadowMap.type,toneMapping:xt,useLegacyLights:t._useLegacyLights,decodeVideoTexture:k&&!0===a.map.isVideoTexture&&Bt.getTransfer(a.map.colorSpace)===st,premultipliedAlpha:a.premultipliedAlpha,doubleSided:2===a.side,flipSided:a.side===g,useDepthPacking:a.depthPacking>=0,depthPacking:a.depthPacking||0,index0AttributeName:a.index0AttributeName,extensionDerivatives:yt&&!0===a.extensions.derivatives,extensionFragDepth:yt&&!0===a.extensions.fragDepth,extensionDrawBuffers:yt&&!0===a.extensions.drawBuffers,extensionShaderTextureLOD:yt&&!0===a.extensions.shaderTextureLOD,extensionClipCullDistance:yt&&!0===a.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:yt&&!0===a.extensions.multiDraw&&i.has("WEBGL_multi_draw"),rendererExtensionFragDepth:h||i.has("EXT_frag_depth"),rendererExtensionDrawBuffers:h||i.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:h||i.has("EXT_shader_texture_lod"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:a.customProgramCacheKey()};return bt.vertexUv1s=c.has(1),bt.vertexUv2s=c.has(2),bt.vertexUv3s=c.has(3),c.clear(),bt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){s.disableAll(),e.isWebGL2&&s.enable(0);e.supportsVertexTextures&&s.enable(1);e.instancing&&s.enable(2);e.instancingColor&&s.enable(3);e.instancingMorph&&s.enable(4);e.matcap&&s.enable(5);e.envMap&&s.enable(6);e.normalMapObjectSpace&&s.enable(7);e.normalMapTangentSpace&&s.enable(8);e.clearcoat&&s.enable(9);e.iridescence&&s.enable(10);e.alphaTest&&s.enable(11);e.vertexColors&&s.enable(12);e.vertexAlphas&&s.enable(13);e.vertexUv1s&&s.enable(14);e.vertexUv2s&&s.enable(15);e.vertexUv3s&&s.enable(16);e.vertexTangents&&s.enable(17);e.anisotropy&&s.enable(18);e.alphaHash&&s.enable(19);e.batching&&s.enable(20);t.push(s.mask),s.disableAll(),e.fog&&s.enable(0);e.useFog&&s.enable(1);e.flatShading&&s.enable(2);e.logarithmicDepthBuffer&&s.enable(3);e.skinning&&s.enable(4);e.morphTargets&&s.enable(5);e.morphNormals&&s.enable(6);e.morphColors&&s.enable(7);e.premultipliedAlpha&&s.enable(8);e.shadowMapEnabled&&s.enable(9);e.useLegacyLights&&s.enable(10);e.doubleSided&&s.enable(11);e.flipSided&&s.enable(12);e.useDepthPacking&&s.enable(13);e.dithering&&s.enable(14);e.transmission&&s.enable(15);e.sheen&&s.enable(16);e.opaque&&s.enable(17);e.pointsUvs&&s.enable(18);e.decodeVideoTexture&&s.enable(19);e.alphaToCoverage&&s.enable(20);t.push(s.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=m[t.type];let n;if(e){const t=Di[e];n=ui.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=u.length;t<e;t++){const e=u[t];if(e.cacheKey===n){i=e,++i.usedTimes;break}}return void 0===i&&(i=new ka(t,n,e,a),u.push(i)),i},releaseProgram:function(t){if(0==--t.usedTimes){const e=u.indexOf(t);u[e]=u[u.length-1],u.pop(),t.destroy()}},releaseShaderCache:function(t){l.remove(t)},programs:u,dispose:function(){l.dispose()}}}function Va(){let t=new WeakMap;return{get:function(e){let n=t.get(e);return void 0===n&&(n={},t.set(e,n)),n},remove:function(e){t.delete(e)},update:function(e,n,i){t.get(e)[n]=i},dispose:function(){t=new WeakMap}}}function ja(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function Wa(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function Xa(){const t=[];let e=0;const n=[],i=[],r=[];function a(n,i,r,a,o,s){let l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:i,material:r,groupOrder:a,renderOrder:n.renderOrder,z:o,group:s},t[e]=l):(l.id=n.id,l.object=n,l.geometry=i,l.material=r,l.groupOrder=a,l.renderOrder=n.renderOrder,l.z=o,l.group=s),e++,l}return{opaque:n,transmissive:i,transparent:r,init:function(){e=0,n.length=0,i.length=0,r.length=0},push:function(t,e,o,s,l,c){const u=a(t,e,o,s,l,c);o.transmission>0?i.push(u):!0===o.transparent?r.push(u):n.push(u)},unshift:function(t,e,o,s,l,c){const u=a(t,e,o,s,l,c);o.transmission>0?i.unshift(u):!0===o.transparent?r.unshift(u):n.unshift(u)},finish:function(){for(let n=e,i=t.length;n<i;n++){const e=t[n];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){n.length>1&&n.sort(t||ja),i.length>1&&i.sort(e||Wa),r.length>1&&r.sort(e||Wa)}}}function qa(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Xa,t.set(e,[r])):n>=i.length?(r=new Xa,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ya(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new ne,color:new Mn};break;case"SpotLight":n={position:new ne,direction:new ne,color:new Mn,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new ne,color:new Mn,distance:0,decay:0};break;case"HemisphereLight":n={direction:new ne,skyColor:new Mn,groundColor:new Mn};break;case"RectAreaLight":n={color:new Mn,position:new ne,halfWidth:new ne,halfHeight:new ne}}return t[e.id]=n,n}}}let $a=0;function Ka(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Za(t,e){const n=new Ya,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Ct};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Ct,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)r.probe.push(new ne);const a=new ne,o=new Oe,s=new Oe;return{setup:function(a,o){let s=0,l=0,c=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let u=0,h=0,d=0,p=0,f=0,m=0,g=0,v=0,_=0,y=0,x=0;a.sort(Ka);const b=!0===o?Math.PI:1;for(let t=0,e=a.length;t<e;t++){const e=a[t],o=e.color,M=e.intensity,S=e.distance,E=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)s+=o.r*M*b,l+=o.g*M*b,c+=o.b*M*b;else if(e.isLightProbe){for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],M);x++}else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*b),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[u]=n,r.directionalShadowMap[u]=E,r.directionalShadowMatrix[u]=e.shadow.matrix,m++}r.directional[u]=t,u++}else if(e.isSpotLight){const t=n.get(e);t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(o).multiplyScalar(M*b),t.distance=S,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,r.spot[d]=t;const a=e.shadow;if(e.map&&(r.spotLightMap[_]=e.map,_++,a.updateMatrices(e),e.castShadow&&y++),r.spotLightMatrix[d]=a.matrix,e.castShadow){const t=i.get(e);t.shadowBias=a.bias,t.shadowNormalBias=a.normalBias,t.shadowRadius=a.radius,t.shadowMapSize=a.mapSize,r.spotShadow[d]=t,r.spotShadowMap[d]=E,v++}d++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(o).multiplyScalar(M),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*b),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[h]=n,r.pointShadowMap[h]=E,r.pointShadowMatrix[h]=e.shadow.matrix,g++}r.point[h]=t,h++}else if(e.isHemisphereLight){const t=n.get(e);t.skyColor.copy(e.color).multiplyScalar(M*b),t.groundColor.copy(e.groundColor).multiplyScalar(M*b),r.hemi[f]=t,f++}}p>0&&(e.isWebGL2?!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=Oi.LTC_FLOAT_1,r.rectAreaLTC2=Oi.LTC_FLOAT_2):(r.rectAreaLTC1=Oi.LTC_HALF_1,r.rectAreaLTC2=Oi.LTC_HALF_2):!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=Oi.LTC_FLOAT_1,r.rectAreaLTC2=Oi.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=Oi.LTC_HALF_1,r.rectAreaLTC2=Oi.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=s,r.ambient[1]=l,r.ambient[2]=c;const M=r.hash;M.directionalLength===u&&M.pointLength===h&&M.spotLength===d&&M.rectAreaLength===p&&M.hemiLength===f&&M.numDirectionalShadows===m&&M.numPointShadows===g&&M.numSpotShadows===v&&M.numSpotMaps===_&&M.numLightProbes===x||(r.directional.length=u,r.spot.length=d,r.rectArea.length=p,r.point.length=h,r.hemi.length=f,r.directionalShadow.length=m,r.directionalShadowMap.length=m,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=m,r.pointShadowMatrix.length=g,r.spotLightMatrix.length=v+_-y,r.spotLightMap.length=_,r.numSpotLightShadowsWithMaps=y,r.numLightProbes=x,M.directionalLength=u,M.pointLength=h,M.spotLength=d,M.rectAreaLength=p,M.hemiLength=f,M.numDirectionalShadows=m,M.numPointShadows=g,M.numSpotShadows=v,M.numSpotMaps=_,M.numLightProbes=x,r.version=$a++)},setupView:function(t,e){let n=0,i=0,l=0,c=0,u=0;const h=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const t=r.directional[n];t.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(a),t.direction.transformDirection(h),n++}else if(d.isSpotLight){const t=r.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(h),t.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(a),t.direction.transformDirection(h),l++}else if(d.isRectAreaLight){const t=r.rectArea[c];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(h),s.identity(),o.copy(d.matrixWorld),o.premultiply(h),s.extractRotation(o),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(s),t.halfHeight.applyMatrix4(s),c++}else if(d.isPointLight){const t=r.point[i];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(h),i++}else if(d.isHemisphereLight){const t=r.hemi[u];t.direction.setFromMatrixPosition(d.matrixWorld),t.direction.transformDirection(h),u++}}},state:r}}function Ja(t,e){const n=new Za(t,e),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(t){n.setup(i,t)},setupLightsView:function(t){n.setupView(i,t)},pushLight:function(t){i.push(t)},pushShadow:function(t){r.push(t)}}}function Qa(t,e){let n=new WeakMap;return{get:function(i,r=0){const a=n.get(i);let o;return void 0===a?(o=new Ja(t,e),n.set(i,[o])):r>=a.length?(o=new Ja(t,e),a.push(o)):o=a[r],o},dispose:function(){n=new WeakMap}}}class to extends wn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class eo extends wn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function no(t,e,n){let i=new Ai;const r=new Ct,a=new Ct,o=new Kt,s=new to({depthPacking:3201}),l=new eo,c={},u=n.maxTextureSize,h={[m]:g,[g]:m,2:2},p=new hi({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new Ct},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\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}"}),v=p.clone();v.defines.HORIZONTAL_PASS=1;const _=new Bn;_.setAttribute("position",new Cn(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const y=new ri(_,p),x=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=d;let b=this.type;function M(n,i){const a=e.update(y);p.defines.VSM_SAMPLES!==n.blurSamples&&(p.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,p.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new 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0===r&&(r=a.clone(),i[e]=r,n.addEventListener("dispose",w)),a=r}if(a.visible=n.visible,a.wireframe=n.wireframe,a.side=r===f?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:h[n.side],a.alphaMap=n.alphaMap,a.alphaTest=n.alphaTest,a.map=n.map,a.clipShadows=n.clipShadows,a.clippingPlanes=n.clippingPlanes,a.clipIntersection=n.clipIntersection,a.displacementMap=n.displacementMap,a.displacementScale=n.displacementScale,a.displacementBias=n.displacementBias,a.wireframeLinewidth=n.wireframeLinewidth,a.linewidth=n.linewidth,!0===i.isPointLight&&!0===a.isMeshDistanceMaterial){t.properties.get(a).light=i}return a}function E(n,r,a,o,s){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&s===f)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const e=i.groups;for(let 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t.deleteFramebuffer(n.__webglFramebuffer[e]);n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer[e])}else{if(Array.isArray(n.__webglFramebuffer))for(let e=0;e<n.__webglFramebuffer.length;e++)t.deleteFramebuffer(n.__webglFramebuffer[e]);else t.deleteFramebuffer(n.__webglFramebuffer);if(n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer),n.__webglMultisampledFramebuffer&&t.deleteFramebuffer(n.__webglMultisampledFramebuffer),n.__webglColorRenderbuffer)for(let e=0;e<n.__webglColorRenderbuffer.length;e++)n.__webglColorRenderbuffer[e]&&t.deleteRenderbuffer(n.__webglColorRenderbuffer[e]);n.__webglDepthRenderbuffer&&t.deleteRenderbuffer(n.__webglDepthRenderbuffer)}const r=e.textures;for(let e=0,n=r.length;e<n;e++){const n=i.get(r[e]);n.__webglTexture&&(t.deleteTexture(n.__webglTexture),o.memory.textures--),i.remove(r[e])}i.remove(e)}(n)}function w(e){const n=i.get(e);t.deleteTexture(n.__webglTexture);const r=e.source;delete 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L(n,a,o){if(a.type!==j||!1!==e.has("OES_texture_float_linear")||a.magFilter!==F&&a.magFilter!==k&&a.magFilter!==U&&a.magFilter!==z&&a.minFilter!==F&&a.minFilter!==k&&a.minFilter!==U&&a.minFilter!==z||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),o?(t.texParameteri(n,t.TEXTURE_WRAP_S,R[a.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,R[a.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,R[a.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,C[a.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,C[a.minFilter])):(t.texParameteri(n,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(n,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,t.CLAMP_TO_EDGE),a.wrapS===D&&a.wrapT===D||console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."),t.texParameteri(n,t.TEXTURE_MAG_FILTER,M(a.magFilter)),t.texParameteri(n,t.TEXTURE_MIN_FILTER,M(a.minFilter)),a.minFilter!==I&&a.minFilter!==F&&console.warn("THREE.WebGLRenderer: Texture is not power of two. 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e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(s!==e.__cacheKey){void 0===a[s]&&(a[s]={texture:t.createTexture(),usedTimes:0},o.memory.textures++,i=!0),a[s].usedTimes++;const r=a[e.__cacheKey];void 0!==r&&(a[e.__cacheKey].usedTimes--,0===r.usedTimes&&w(n)),e.__cacheKey=s,e.__webglTexture=a[s].texture}return i}function K(e,o,l){let c=t.TEXTURE_2D;(o.isDataArrayTexture||o.isCompressedArrayTexture)&&(c=t.TEXTURE_2D_ARRAY),o.isData3DTexture&&(c=t.TEXTURE_3D);const u=G(e,o),h=o.source;n.bindTexture(c,e.__webglTexture,t.TEXTURE0+l);const d=i.get(h);if(h.version!==d.__version||!0===u){n.activeTexture(t.TEXTURE0+l);const e=Bt.getPrimaries(Bt.workingColorSpace),i=o.colorSpace===et?null:Bt.getPrimaries(o.colorSpace),p=o.colorSpace===et||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,o.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,o.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,p);const f=function(t){return!s&&(t.wrapS!==D||t.wrapT!==D||t.minFilter!==I&&t.minFilter!==F)}(o)&&!1===v(o.image);let m=g(o.image,f,!1,r.maxTextureSize);m=rt(o,m);const M=v(m)||s,S=a.convert(o.format,o.colorSpace);let E,w=a.convert(o.type),T=x(o.internalFormat,S,w,o.colorSpace,o.isVideoTexture);L(c,o,M);const A=o.mipmaps,R=s&&!0!==o.isVideoTexture&&36196!==T,C=void 0===d.__version||!0===u,P=h.dataReady,O=b(o,m,M);if(o.isDepthTexture)T=t.DEPTH_COMPONENT,s?T=o.type===j?t.DEPTH_COMPONENT32F:o.type===V?t.DEPTH_COMPONENT24:o.type===X?t.DEPTH24_STENCIL8:t.DEPTH_COMPONENT16:o.type===j&&console.error("WebGLRenderer: Floating point 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if(o.isFramebufferTexture){if(C)if(R)n.texStorage2D(t.TEXTURE_2D,O,T,m.width,m.height);else{let e=m.width,i=m.height;for(let r=0;r<O;r++)n.texImage2D(t.TEXTURE_2D,r,T,e,i,0,S,w,null),e>>=1,i>>=1}}else if(A.length>0&&M){if(R&&C){const e=at(A[0]);n.texStorage2D(t.TEXTURE_2D,O,T,e.width,e.height)}for(let e=0,i=A.length;e<i;e++)E=A[e],R?P&&n.texSubImage2D(t.TEXTURE_2D,e,0,0,S,w,E):n.texImage2D(t.TEXTURE_2D,e,T,S,w,E);o.generateMipmaps=!1}else if(R){if(C){const e=at(m);n.texStorage2D(t.TEXTURE_2D,O,T,e.width,e.height)}P&&n.texSubImage2D(t.TEXTURE_2D,0,0,0,S,w,m)}else n.texImage2D(t.TEXTURE_2D,0,T,S,w,m);_(o,M)&&y(c),d.__version=h.version,o.onUpdate&&o.onUpdate(o)}e.__version=o.version}function Z(e,r,o,s,c,u){const h=a.convert(o.format,o.colorSpace),d=a.convert(o.type),p=x(o.internalFormat,h,d,o.colorSpace);if(!i.get(r).__hasExternalTextures){const e=Math.max(1,r.width>>u),i=Math.max(1,r.height>>u);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?n.texImage3D(c,u,p,e,i,r.depth,0,h,d,null):n.texImage2D(c,u,p,e,i,0,h,d,null)}n.bindFramebuffer(t.FRAMEBUFFER,e),nt(r)?l.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,s,c,i.get(o).__webglTexture,0,tt(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,s,c,i.get(o).__webglTexture,u),n.bindFramebuffer(t.FRAMEBUFFER,null)}function J(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer&&!n.stencilBuffer){let r=!0===s?t.DEPTH_COMPONENT24:t.DEPTH_COMPONENT16;if(i||nt(n)){const e=n.depthTexture;e&&e.isDepthTexture&&(e.type===j?r=t.DEPTH_COMPONENT32F:e.type===V&&(r=t.DEPTH_COMPONENT24));const i=tt(n);nt(n)?l.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,i,r,n.width,n.height):t.renderbufferStorageMultisample(t.RENDERBUFFER,i,r,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,r,n.width,n.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e)}else if(n.depthBuffer&&n.stencilBuffer){const r=tt(n);i&&!1===nt(n)?t.renderbufferStorageMultisample(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):nt(n)?l.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e)}else{const e=n.textures;for(let r=0;r<e.length;r++){const o=e[r],s=a.convert(o.format,o.colorSpace),c=a.convert(o.type),u=x(o.internalFormat,s,c,o.colorSpace),h=tt(n);i&&!1===nt(n)?t.renderbufferStorageMultisample(t.RENDERBUFFER,h,u,n.width,n.height):nt(n)?l.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,h,u,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,u,n.width,n.height)}}t.bindRenderbuffer(t.RENDERBUFFER,null)}function Q(e){const r=i.get(e),a=!0===e.isWebGLCubeRenderTarget;if(e.depthTexture&&!r.__autoAllocateDepthBuffer){if(a)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,r){if(r&&r.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(n.bindFramebuffer(t.FRAMEBUFFER,e),!r.depthTexture||!r.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");i.get(r.depthTexture).__webglTexture&&r.depthTexture.image.width===r.width&&r.depthTexture.image.height===r.height||(r.depthTexture.image.width=r.width,r.depthTexture.image.height=r.height,r.depthTexture.needsUpdate=!0),A(r.depthTexture,0);const a=i.get(r.depthTexture).__webglTexture,o=tt(r);if(r.depthTexture.format===Y)nt(r)?l.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.TEXTURE_2D,a,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.TEXTURE_2D,a,0);else{if(r.depthTexture.format!==$)throw new Error("Unknown depthTexture format");nt(r)?l.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.TEXTURE_2D,a,0,o):t.framebufferTexture2D(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.TEXTURE_2D,a,0)}}(r.__webglFramebuffer,e)}else if(a){r.__webglDepthbuffer=[];for(let i=0;i<6;i++)n.bindFramebuffer(t.FRAMEBUFFER,r.__webglFramebuffer[i]),r.__webglDepthbuffer[i]=t.createRenderbuffer(),J(r.__webglDepthbuffer[i],e,!1)}else n.bindFramebuffer(t.FRAMEBUFFER,r.__webglFramebuffer),r.__webglDepthbuffer=t.createRenderbuffer(),J(r.__webglDepthbuffer,e,!1);n.bindFramebuffer(t.FRAMEBUFFER,null)}function tt(t){return Math.min(r.maxSamples,t.samples)}function nt(t){const n=i.get(t);return s&&t.samples>0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function rt(t,n){const i=t.colorSpace,r=t.format,a=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||t.format===dt||i!==it&&i!==et&&(Bt.getTransfer(i)===st?!1===s?!0===e.has("EXT_sRGB")&&r===q?(t.format=dt,t.minFilter=F,t.generateMipmaps=!1):n=jt.sRGBToLinear(n):r===q&&a===B||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",i)),n}function at(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(u.width=t.naturalWidth||t.width,u.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(u.width=t.displayWidth,u.height=t.displayHeight):(u.width=t.width,u.height=t.height),u}this.allocateTextureUnit=function(){const t=T;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only 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e=Bt.getPrimaries(Bt.workingColorSpace),i=o.colorSpace===et?null:Bt.getPrimaries(o.colorSpace),d=o.colorSpace===et||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,o.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,o.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);const p=o.isCompressedTexture||o.image[0].isCompressedTexture,f=o.image[0]&&o.image[0].isDataTexture,m=[];for(let t=0;t<6;t++)m[t]=p||f?f?o.image[t].image:o.image[t]:g(o.image[t],!1,!0,r.maxCubemapSize),m[t]=rt(o,m[t]);const M=m[0],S=v(M)||s,E=a.convert(o.format,o.colorSpace),w=a.convert(o.type),T=x(o.internalFormat,E,w,o.colorSpace),A=s&&!0!==o.isVideoTexture,R=void 0===h.__version||!0===c,C=u.dataReady;let P,O=b(o,M,S);if(L(t.TEXTURE_CUBE_MAP,o,S),p){A&&R&&n.texStorage2D(t.TEXTURE_CUBE_MAP,O,T,M.width,M.height);for(let e=0;e<6;e++){P=m[e].mipmaps;for(let i=0;i<P.length;i++){const r=P[i];o.format!==q?null!==E?A?C&&n.compressedTexSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,0,0,r.width,r.height,E,r.data):n.compressedTexImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,T,r.width,r.height,0,r.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):A?C&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,0,0,r.width,r.height,E,w,r.data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i,T,r.width,r.height,0,E,w,r.data)}}}else{if(P=o.mipmaps,A&&R){P.length>0&&O++;const e=at(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,O,T,e.width,e.height)}for(let e=0;e<6;e++)if(f){A?C&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,E,w,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,T,m[e].width,m[e].height,0,E,w,m[e].data);for(let i=0;i<P.length;i++){const r=P[i].image[e].image;A?C&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,0,0,r.width,r.height,E,w,r.data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,T,r.width,r.height,0,E,w,r.data)}}else{A?C&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,E,w,m[e]):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,T,E,w,m[e]);for(let i=0;i<P.length;i++){const r=P[i];A?C&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,0,0,E,w,r.image[e]):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,i+1,T,E,w,r.image[e])}}}_(o,S)&&y(t.TEXTURE_CUBE_MAP),h.__version=u.version,o.onUpdate&&o.onUpdate(o)}e.__version=o.version}(l,e,o):n.bindTexture(t.TEXTURE_CUBE_MAP,l.__webglTexture,t.TEXTURE0+o)},this.rebindTextures=function(e,n,r){const a=i.get(e);void 0!==n&&Z(a.__webglFramebuffer,e,e.texture,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,0),void 0!==r&&Q(e)},this.setupRenderTarget=function(e){const l=e.texture,c=i.get(e),u=i.get(l);e.addEventListener("dispose",E);const h=e.textures,d=!0===e.isWebGLCubeRenderTarget,p=h.length>1,f=v(e)||s;if(p||(void 0===u.__webglTexture&&(u.__webglTexture=t.createTexture()),u.__version=l.version,o.memory.textures++),d){c.__webglFramebuffer=[];for(let e=0;e<6;e++)if(s&&l.mipmaps&&l.mipmaps.length>0){c.__webglFramebuffer[e]=[];for(let n=0;n<l.mipmaps.length;n++)c.__webglFramebuffer[e][n]=t.createFramebuffer()}else c.__webglFramebuffer[e]=t.createFramebuffer()}else{if(s&&l.mipmaps&&l.mipmaps.length>0){c.__webglFramebuffer=[];for(let e=0;e<l.mipmaps.length;e++)c.__webglFramebuffer[e]=t.createFramebuffer()}else c.__webglFramebuffer=t.createFramebuffer();if(p)if(r.drawBuffers)for(let e=0,n=h.length;e<n;e++){const n=i.get(h[e]);void 0===n.__webglTexture&&(n.__webglTexture=t.createTexture(),o.memory.textures++)}else console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.");if(s&&e.samples>0&&!1===nt(e)){c.__webglMultisampledFramebuffer=t.createFramebuffer(),c.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,c.__webglMultisampledFramebuffer);for(let n=0;n<h.length;n++){const i=h[n];c.__webglColorRenderbuffer[n]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,c.__webglColorRenderbuffer[n]);const r=a.convert(i.format,i.colorSpace),o=a.convert(i.type),s=x(i.internalFormat,r,o,i.colorSpace,!0===e.isXRRenderTarget),l=tt(e);t.renderbufferStorageMultisample(t.RENDERBUFFER,l,s,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+n,t.RENDERBUFFER,c.__webglColorRenderbuffer[n])}t.bindRenderbuffer(t.RENDERBUFFER,null),e.depthBuffer&&(c.__webglDepthRenderbuffer=t.createRenderbuffer(),J(c.__webglDepthRenderbuffer,e,!0)),n.bindFramebuffer(t.FRAMEBUFFER,null)}}if(d){n.bindTexture(t.TEXTURE_CUBE_MAP,u.__webglTexture),L(t.TEXTURE_CUBE_MAP,l,f);for(let n=0;n<6;n++)if(s&&l.mipmaps&&l.mipmaps.length>0)for(let i=0;i<l.mipmaps.length;i++)Z(c.__webglFramebuffer[n][i],e,l,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n,i);else Z(c.__webglFramebuffer[n],e,l,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n,0);_(l,f)&&y(t.TEXTURE_CUBE_MAP),n.unbindTexture()}else if(p){for(let r=0,a=h.length;r<a;r++){const a=h[r],o=i.get(a);n.bindTexture(t.TEXTURE_2D,o.__webglTexture),L(t.TEXTURE_2D,a,f),Z(c.__webglFramebuffer,e,a,t.COLOR_ATTACHMENT0+r,t.TEXTURE_2D,0),_(a,f)&&y(t.TEXTURE_2D)}n.unbindTexture()}else{let i=t.TEXTURE_2D;if((e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(s?i=e.isWebGL3DRenderTarget?t.TEXTURE_3D:t.TEXTURE_2D_ARRAY:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(i,u.__webglTexture),L(i,l,f),s&&l.mipmaps&&l.mipmaps.length>0)for(let n=0;n<l.mipmaps.length;n++)Z(c.__webglFramebuffer[n],e,l,t.COLOR_ATTACHMENT0,i,n);else Z(c.__webglFramebuffer,e,l,t.COLOR_ATTACHMENT0,i,0);_(l,f)&&y(i),n.unbindTexture()}e.depthBuffer&&Q(e)},this.updateRenderTargetMipmap=function(e){const r=v(e)||s,a=e.textures;for(let o=0,s=a.length;o<s;o++){const s=a[o];if(_(s,r)){const r=e.isWebGLCubeRenderTarget?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D,a=i.get(s).__webglTexture;n.bindTexture(r,a),y(r),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(s&&e.samples>0&&!1===nt(e)){const r=e.textures,a=e.width,o=e.height;let s=t.COLOR_BUFFER_BIT;const l=[],u=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),d=r.length>1;if(d)for(let e=0;e<r.length;e++)n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);n.bindFramebuffer(t.READ_FRAMEBUFFER,h.__webglMultisampledFramebuffer),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglFramebuffer);for(let n=0;n<r.length;n++){l.push(t.COLOR_ATTACHMENT0+n),e.depthBuffer&&l.push(u);const p=void 0!==h.__ignoreDepthValues&&h.__ignoreDepthValues;if(!1===p&&(e.depthBuffer&&(s|=t.DEPTH_BUFFER_BIT),e.stencilBuffer&&(s|=t.STENCIL_BUFFER_BIT)),d&&t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,h.__webglColorRenderbuffer[n]),!0===p&&(t.invalidateFramebuffer(t.READ_FRAMEBUFFER,[u]),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,[u])),d){const e=i.get(r[n]).__webglTexture;t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}t.blitFramebuffer(0,0,a,o,0,0,a,o,s,t.NEAREST),c&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,l)}if(n.bindFramebuffer(t.READ_FRAMEBUFFER,null),n.bindFramebuffer(t.DRAW_FRAMEBUFFER,null),d)for(let e=0;e<r.length;e++){n.bindFramebuffer(t.FRAMEBUFFER,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,h.__webglColorRenderbuffer[e]);const a=i.get(r[e]).__webglTexture;n.bindFramebuffer(t.FRAMEBUFFER,h.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,a,0)}n.bindFramebuffer(t.DRAW_FRAMEBUFFER,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=Q,this.setupFrameBufferTexture=Z,this.useMultisampledRTT=nt}function ao(t,e,n){const i=n.isWebGL2;return{convert:function(n,r=""){let a;const o=Bt.getTransfer(r);if(n===B)return t.UNSIGNED_BYTE;if(1017===n)return t.UNSIGNED_SHORT_4_4_4_4;if(1018===n)return t.UNSIGNED_SHORT_5_5_5_1;if(1010===n)return t.BYTE;if(1011===n)return t.SHORT;if(n===H)return t.UNSIGNED_SHORT;if(n===G)return t.INT;if(n===V)return t.UNSIGNED_INT;if(n===j)return t.FLOAT;if(n===W)return i?t.HALF_FLOAT:(a=e.get("OES_texture_half_float"),null!==a?a.HALF_FLOAT_OES:null);if(1021===n)return t.ALPHA;if(n===q)return t.RGBA;if(1024===n)return t.LUMINANCE;if(1025===n)return t.LUMINANCE_ALPHA;if(n===Y)return t.DEPTH_COMPONENT;if(n===$)return t.DEPTH_STENCIL;if(n===dt)return a=e.get("EXT_sRGB"),null!==a?a.SRGB_ALPHA_EXT:null;if(1028===n)return t.RED;if(1029===n)return t.RED_INTEGER;if(1030===n)return t.RG;if(1031===n)return t.RG_INTEGER;if(1033===n)return t.RGBA_INTEGER;if(n===K||n===Z||n===J||n===Q)if(o===st){if(a=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===a)return null;if(n===K)return a.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===Z)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===J)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===Q)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(a=e.get("WEBGL_compressed_texture_s3tc"),null===a)return null;if(n===K)return a.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===Z)return a.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===J)return a.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===Q)return a.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===n||35841===n||35842===n||35843===n){if(a=e.get("WEBGL_compressed_texture_pvrtc"),null===a)return null;if(35840===n)return a.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===n)return a.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===n)return a.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===n)return a.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return a=e.get("WEBGL_compressed_texture_etc1"),null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null;if(37492===n||37496===n){if(a=e.get("WEBGL_compressed_texture_etc"),null===a)return null;if(37492===n)return o===st?a.COMPRESSED_SRGB8_ETC2:a.COMPRESSED_RGB8_ETC2;if(37496===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:a.COMPRESSED_RGBA8_ETC2_EAC}if(37808===n||37809===n||37810===n||37811===n||37812===n||37813===n||37814===n||37815===n||37816===n||37817===n||37818===n||37819===n||37820===n||37821===n){if(a=e.get("WEBGL_compressed_texture_astc"),null===a)return null;if(37808===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:a.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:a.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:a.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:a.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:a.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:a.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:a.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:a.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:a.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:a.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:a.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:a.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:a.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===n)return o===st?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:a.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===tt||36494===n||36495===n){if(a=e.get("EXT_texture_compression_bptc"),null===a)return null;if(n===tt)return o===st?a.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:a.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(36494===n)return a.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(36495===n)return a.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(36283===n||36284===n||36285===n||36286===n){if(a=e.get("EXT_texture_compression_rgtc"),null===a)return null;if(n===tt)return a.COMPRESSED_RED_RGTC1_EXT;if(36284===n)return a.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(36285===n)return a.COMPRESSED_RED_GREEN_RGTC2_EXT;if(36286===n)return a.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===X?i?t.UNSIGNED_INT_24_8:(a=e.get("WEBGL_depth_texture"),null!==a?a.UNSIGNED_INT_24_8_WEBGL:null):void 0!==t[n]?t[n]:null}}}class oo extends gi{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}let so=class extends on{constructor(){super(),this.isGroup=!0,this.type="Group"}};const lo={type:"move"};class co{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new so,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new so,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new ne,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new ne),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new so,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new ne,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new ne),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const n of t.hand.values())this._getHandJoint(e,n)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,n){let i=null,r=null,a=null;const o=this._targetRay,s=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){a=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n),r=this._getHandJoint(l,i);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],o=i.position.distanceTo(r.position),s=.02,c=.005;l.inputState.pinching&&o>s+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&o<=s-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==s&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(s.matrix.fromArray(r.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),s.matrixWorldNeedsUpdate=!0,r.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(r.linearVelocity)):s.hasLinearVelocity=!1,r.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(r.angularVelocity)):s.hasAngularVelocity=!1));null!==o&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(o.matrix.fromArray(i.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,i.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(i.linearVelocity)):o.hasLinearVelocity=!1,i.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(i.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(lo)))}return null!==o&&(o.visible=null!==i),null!==s&&(s.visible=null!==r),null!==l&&(l.visible=null!==a),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new so;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class uo{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new $t;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}render(t,e){if(null!==this.texture){if(null===this.mesh){const t=e.cameras[0].viewport,n=new hi({extensions:{fragDepth:!0},vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepthEXT = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepthEXT = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:t.z},depthHeight:{value:t.w}}});this.mesh=new ri(new Pi(20,20),n)}t.render(this.mesh,e)}}reset(){this.texture=null,this.mesh=null}}class ho extends mt{constructor(t,e){super();const n=this;let i=null,r=1,a=null,o="local-floor",s=1,l=null,c=null,u=null,h=null,d=null,p=null;const f=new uo,m=e.getContextAttributes();let g=null,v=null;const _=[],y=[],x=new Ct;let b=null;const M=new gi;M.layers.enable(1),M.viewport=new Kt;const S=new gi;S.layers.enable(2),S.viewport=new Kt;const E=[M,S],w=new oo;w.layers.enable(1),w.layers.enable(2);let T=null,A=null;function R(t){const e=y.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||a),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=y[t];null!==e&&(y[t]=null,_[t].disconnect(e))}T=null,A=null,f.reset(),t.setRenderTarget(g),d=null,h=null,u=null,i=null,v=null,I.stop(),n.isPresenting=!1,t.setPixelRatio(b),t.setSize(x.width,x.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e<t.removed.length;e++){const n=t.removed[e],i=y.indexOf(n);i>=0&&(y[i]=null,_[i].disconnect(n))}for(let e=0;e<t.added.length;e++){const n=t.added[e];let i=y.indexOf(n);if(-1===i){for(let t=0;t<_.length;t++){if(t>=y.length){y.push(n),i=t;break}if(null===y[t]){y[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new co,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new co,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new co,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){o=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||a},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==h?h:d},this.getBinding=function(){return u},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==m.xrCompatible&&await e.makeXRCompatible(),b=t.getPixelRatio(),t.getSize(x),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||m.antialias,alpha:!0,depth:m.depth,stencil:m.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new Jt(d.framebufferWidth,d.framebufferHeight,{format:q,type:B,colorSpace:t.outputColorSpace,stencilBuffer:m.stencil})}else{let n=null,a=null,o=null;m.depth&&(o=m.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=m.stencil?$:Y,a=m.stencil?X:V);const s={colorFormat:e.RGBA8,depthFormat:o,scaleFactor:r};u=new XRWebGLBinding(i,e),h=u.createProjectionLayer(s),i.updateRenderState({layers:[h]}),t.setPixelRatio(1),t.setSize(h.textureWidth,h.textureHeight,!1),v=new Jt(h.textureWidth,h.textureHeight,{format:q,type:B,depthTexture:new mr(h.textureWidth,h.textureHeight,a,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:m.stencil,colorSpace:t.outputColorSpace,samples:m.antialias?4:0});t.properties.get(v).__ignoreDepthValues=h.ignoreDepthValues}v.isXRRenderTarget=!0,this.setFoveation(s),l=null,a=await i.requestReferenceSpace(o),I.setContext(i),I.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode};const L=new ne,O=new ne;function D(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==f.texture&&(t.near=f.depthNear,t.far=f.depthFar),w.near=S.near=M.near=t.near,w.far=S.far=M.far=t.far,T===w.near&&A===w.far||(i.updateRenderState({depthNear:w.near,depthFar:w.far}),T=w.near,A=w.far,M.near=T,M.far=A,S.near=T,S.far=A,M.updateProjectionMatrix(),S.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=w.cameras;D(w,e);for(let t=0;t<n.length;t++)D(n[t],e);2===n.length?function(t,e,n){L.setFromMatrixPosition(e.matrixWorld),O.setFromMatrixPosition(n.matrixWorld);const i=L.distanceTo(O),r=e.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],u=(r[8]-1)/r[0],h=(a[8]+1)/a[0],d=o*u,p=o*h,f=i/(-u+h),m=f*-u;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(f),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=o+f,v=s+f,_=d-m,y=p+(i-m),x=l*s/v*g,b=c*s/v*g;t.projectionMatrix.makePerspective(_,y,x,b,g,v),t.projectionMatrixInverse.copy(t.projectionMatrix).invert()}(w,M,S):w.projectionMatrix.copy(M.projectionMatrix),function(t,e,n){null===n?t.matrix.copy(e.matrixWorld):(t.matrix.copy(n.matrixWorld),t.matrix.invert(),t.matrix.multiply(e.matrixWorld));t.matrix.decompose(t.position,t.quaternion,t.scale),t.updateMatrixWorld(!0),t.projectionMatrix.copy(e.projectionMatrix),t.projectionMatrixInverse.copy(e.projectionMatrixInverse),t.isPerspectiveCamera&&(t.fov=2*yt*Math.atan(1/t.projectionMatrix.elements[5]),t.zoom=1)}(t,w,e)},this.getCamera=function(){return w},this.getFoveation=function(){if(null!==h||null!==d)return s},this.setFoveation=function(t){s=t,null!==h&&(h.fixedFoveation=t),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=t)},this.hasDepthSensing=function(){return null!==f.texture};let N=null;const I=new Ri;I.setAnimationLoop((function(e,r){if(c=r.getViewerPose(l||a),p=r,null!==c){const e=c.views;null!==d&&(t.setRenderTargetFramebuffer(v,d.framebuffer),t.setRenderTarget(v));let n=!1;e.length!==w.cameras.length&&(w.cameras.length=0,n=!0);for(let i=0;i<e.length;i++){const r=e[i];let a=null;if(null!==d)a=d.getViewport(r);else{const e=u.getViewSubImage(h,r);a=e.viewport,0===i&&(t.setRenderTargetTextures(v,e.colorTexture,h.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(v))}let o=E[i];void 0===o&&(o=new gi,o.layers.enable(i),o.viewport=new Kt,E[i]=o),o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.quaternion,o.scale),o.projectionMatrix.fromArray(r.projectionMatrix),o.projectionMatrixInverse.copy(o.projectionMatrix).invert(),o.viewport.set(a.x,a.y,a.width,a.height),0===i&&(w.matrix.copy(o.matrix),w.matrix.decompose(w.position,w.quaternion,w.scale)),!0===n&&w.cameras.push(o)}const r=i.enabledFeatures;if(r&&r.includes("depth-sensing")){const n=u.getDepthInformation(e[0]);n&&n.isValid&&n.texture&&f.init(t,n,i.renderState)}}for(let t=0;t<_.length;t++){const e=y[t],n=_[t];null!==e&&void 0!==n&&n.update(e,r,l||a)}f.render(t,w),N&&N(e,r),r.detectedPlanes&&n.dispatchEvent({type:"planesdetected",data:r}),p=null})),this.setAnimationLoop=function(t){N=t},this.dispose=function(){}}}const po=new Ge,fo=new Oe;function mo(t,e){function n(t,e){!0===t.matrixAutoUpdate&&t.updateMatrix(),e.value.copy(t.matrix)}function i(i,r){i.opacity.value=r.opacity,r.color&&i.diffuse.value.copy(r.color),r.emissive&&i.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(i.map.value=r.map,n(r.map,i.mapTransform)),r.alphaMap&&(i.alphaMap.value=r.alphaMap,n(r.alphaMap,i.alphaMapTransform)),r.bumpMap&&(i.bumpMap.value=r.bumpMap,n(r.bumpMap,i.bumpMapTransform),i.bumpScale.value=r.bumpScale,r.side===g&&(i.bumpScale.value*=-1)),r.normalMap&&(i.normalMap.value=r.normalMap,n(r.normalMap,i.normalMapTransform),i.normalScale.value.copy(r.normalScale),r.side===g&&i.normalScale.value.negate()),r.displacementMap&&(i.displacementMap.value=r.displacementMap,n(r.displacementMap,i.displacementMapTransform),i.displacementScale.value=r.displacementScale,i.displacementBias.value=r.displacementBias),r.emissiveMap&&(i.emissiveMap.value=r.emissiveMap,n(r.emissiveMap,i.emissiveMapTransform)),r.specularMap&&(i.specularMap.value=r.specularMap,n(r.specularMap,i.specularMapTransform)),r.alphaTest>0&&(i.alphaTest.value=r.alphaTest);const a=e.get(r),o=a.envMap,s=a.envMapRotation;if(o&&(i.envMap.value=o,po.copy(s),po.x*=-1,po.y*=-1,po.z*=-1,o.isCubeTexture&&!1===o.isRenderTargetTexture&&(po.y*=-1,po.z*=-1),i.envMapRotation.value.setFromMatrix4(fo.makeRotationFromEuler(po)),i.flipEnvMap.value=o.isCubeTexture&&!1===o.isRenderTargetTexture?-1:1,i.reflectivity.value=r.reflectivity,i.ior.value=r.ior,i.refractionRatio.value=r.refractionRatio),r.lightMap){i.lightMap.value=r.lightMap;const e=!0===t._useLegacyLights?Math.PI:1;i.lightMapIntensity.value=r.lightMapIntensity*e,n(r.lightMap,i.lightMapTransform)}r.aoMap&&(i.aoMap.value=r.aoMap,i.aoMapIntensity.value=r.aoMapIntensity,n(r.aoMap,i.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,ci(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,a,o,s){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,i){t.metalness.value=i.metalness,i.metalnessMap&&(t.metalnessMap.value=i.metalnessMap,n(i.metalnessMap,t.metalnessMapTransform));t.roughness.value=i.roughness,i.roughnessMap&&(t.roughnessMap.value=i.roughnessMap,n(i.roughnessMap,t.roughnessMapTransform));const r=e.get(i).envMap;r&&(t.envMapIntensity.value=i.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===g&&t.clearcoatNormalScale.value.negate()));e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,s)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,a,o):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function go(t,e,n,i){let r={},a={},o=[];const s=n.isWebGL2?t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS):0;function l(t,e,n,i){const r=t.value,a=e+"_"+n;if(void 0===i[a])return i[a]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[a];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[a]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function u(e){const n=e.target;n.removeEventListener("dispose",u);const i=o.indexOf(n.__bindingPointIndex);o.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete a[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,h){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t<r;t++){const r=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0,e=r.length;t<e;t++){const e=r[t],a=Array.isArray(e.value)?e.value:[e.value];for(let t=0,r=a.length;t<r;t++){const r=c(a[t]),o=n%i;0!==o&&i-o<r.boundary&&(n+=i-o),e.__data=new Float32Array(r.storage/Float32Array.BYTES_PER_ELEMENT),e.__offset=n,n+=r.storage}}}const r=n%i;r>0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t<s;t++)if(-1===o.indexOf(t))return o.push(t),t;return console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."),0}();e.__bindingPointIndex=n;const i=t.createBuffer(),r=e.__size,a=e.usage;return t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,r,a),t.bindBuffer(t.UNIFORM_BUFFER,null),t.bindBufferBase(t.UNIFORM_BUFFER,n,i),i}(n),r[n.id]=d,n.addEventListener("dispose",u));const p=h.program;i.updateUBOMapping(n,p);const f=e.render.frame;a[n.id]!==f&&(!function(e){const n=r[e.id],i=e.uniforms,a=e.__cache;t.bindBuffer(t.UNIFORM_BUFFER,n);for(let e=0,n=i.length;e<n;e++){const n=Array.isArray(i[e])?i[e]:[i[e]];for(let i=0,r=n.length;i<r;i++){const r=n[i];if(!0===l(r,e,i,a)){const e=r.__offset,n=Array.isArray(r.value)?r.value:[r.value];let i=0;for(let a=0;a<n.length;a++){const o=n[a],s=c(o);"number"==typeof o||"boolean"==typeof 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t={alpha:!0,depth:i,stencil:r,antialias:s,premultipliedAlpha:l,preserveDrawingBuffer:c,powerPreference:u,failIfMajorPerformanceCaveat:h};if("setAttribute"in e&&e.setAttribute("data-engine",`three.js r${o}`),e.addEventListener("webglcontextlost",kt,!1),e.addEventListener("webglcontextrestored",zt,!1),e.addEventListener("webglcontextcreationerror",Bt,!1),null===Dt){const e=["webgl2","webgl","experimental-webgl"];if(!0===M.isWebGL1Renderer&&e.shift(),Dt=It(e,t),null===Dt)throw It(e)?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.")}"undefined"!=typeof WebGLRenderingContext&&Dt instanceof WebGLRenderingContext&&console.warn("THREE.WebGLRenderer: WebGL 1 support was deprecated in r153 and will be removed in r163."),void 0===Dt.getShaderPrecisionFormat&&(Dt.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}})}catch(t){throw console.error("THREE.WebGLRenderer: "+t.message),t}function Ut(){st=new sr(Dt),lt=new Bi(Dt,st,t),st.init(lt),Pt=new ao(Dt,st,lt),ct=new io(Dt,st,lt),ut=new ur(Dt),ht=new Va,dt=new ro(Dt,st,ct,ht,lt,Pt,ut),pt=new Gi(M),ft=new or(M),mt=new Ci(Dt,lt),Lt=new ki(Dt,st,mt,lt),gt=new lr(Dt,mt,ut,Lt),vt=new fr(Dt,gt,mt,ut),Tt=new pr(Dt,lt,dt),Mt=new Hi(ht),_t=new Ga(M,pt,ft,st,lt,Lt,Mt),yt=new mo(M,ht),xt=new qa,bt=new Qa(st,lt),Et=new Fi(M,pt,ft,ct,vt,d,l),St=new no(M,vt,lt),Ot=new go(Dt,ut,lt,ct),At=new zi(Dt,st,ut,lt),Rt=new cr(Dt,st,ut,lt),ut.programs=_t.programs,M.capabilities=lt,M.extensions=st,M.properties=ht,M.renderLists=xt,M.shadowMap=St,M.state=ct,M.info=ut}Ut();const Ft=new ho(M,Dt);function kt(t){t.preventDefault(),console.log("THREE.WebGLRenderer: Context Lost."),S=!0}function zt(){console.log("THREE.WebGLRenderer: Context Restored."),S=!1;const t=ut.autoReset,e=St.enabled,n=St.autoUpdate,i=St.needsUpdate,r=St.type;Ut(),ut.autoReset=t,St.enabled=e,St.autoUpdate=n,St.needsUpdate=i,St.type=r}function Bt(t){console.error("THREE.WebGLRenderer: A WebGL 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Reason: ",t.statusMessage)}function Ht(t){const e=t.target;e.removeEventListener("dispose",Ht),function(t){(function(t){const e=ht.get(t).programs;void 0!==e&&(e.forEach((function(t){_t.releaseProgram(t)})),t.isShaderMaterial&&_t.releaseShaderCache(t))})(t),ht.remove(t)}(e)}function Gt(t,e,n){!0===t.transparent&&2===t.side&&!1===t.forceSinglePass?(t.side=g,t.needsUpdate=!0,Qt(t,e,n),t.side=m,t.needsUpdate=!0,Qt(t,e,n),t.side=2):Qt(t,e,n)}this.xr=Ft,this.getContext=function(){return Dt},this.getContextAttributes=function(){return Dt.getContextAttributes()},this.forceContextLoss=function(){const t=st.get("WEBGL_lose_context");t&&t.loseContext()},this.forceContextRestore=function(){const t=st.get("WEBGL_lose_context");t&&t.restoreContext()},this.getPixelRatio=function(){return U},this.setPixelRatio=function(t){void 0!==t&&(U=t,this.setSize(N,I,!1))},this.getSize=function(t){return t.set(N,I)},this.setSize=function(t,n,i=!0){Ft.isPresenting?console.warn("THREE.WebGLRenderer: Can't change 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$},this.setScissorTest=function(t){ct.setScissorTest($=t)},this.setOpaqueSort=function(t){F=t},this.setTransparentSort=function(t){k=t},this.getClearColor=function(t){return t.copy(Et.getClearColor())},this.setClearColor=function(){Et.setClearColor.apply(Et,arguments)},this.getClearAlpha=function(){return Et.getClearAlpha()},this.setClearAlpha=function(){Et.setClearAlpha.apply(Et,arguments)},this.clear=function(t=!0,e=!0,n=!0){let i=0;if(t){let t=!1;if(null!==T){const e=T.texture.format;t=1033===e||1031===e||1029===e}if(t){const t=T.texture.type,e=t===B||t===V||t===H||t===X||1017===t||1018===t,n=Et.getClearColor(),i=Et.getClearAlpha(),r=n.r,a=n.g,o=n.b;e?(p[0]=r,p[1]=a,p[2]=o,p[3]=i,Dt.clearBufferuiv(Dt.COLOR,0,p)):(f[0]=r,f[1]=a,f[2]=o,f[3]=i,Dt.clearBufferiv(Dt.COLOR,0,f))}else 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a=e.fog,o=i.isMeshStandardMaterial?e.environment:null,s=null===T?M.outputColorSpace:!0===T.isXRRenderTarget?T.texture.colorSpace:it,l=(i.isMeshStandardMaterial?ft:pt).get(i.envMap||o),c=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,u=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),h=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let f=b;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(f=M.toneMapping));const m=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==m?m.length:0,v=ht.get(i),y=_.state.lights;if(!0===Z&&(!0===J||t!==R)){const e=t===R&&i.id===A;Mt.setState(i,t,e)}let x=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==y.state.version||v.outputColorSpace!==s||r.isBatchedMesh&&!1===v.batching?x=!0:r.isBatchedMesh||!0!==v.batching?r.isInstancedMesh&&!1===v.instancing?x=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?x=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==a?x=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===Mt.numPlanes&&v.numIntersection===Mt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==u||v.morphTargets!==h||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==f||!0===lt.isWebGL2&&v.morphTargetsCount!==g)&&(x=!0):x=!0:x=!0:x=!0:x=!0:(x=!0,v.__version=i.version);let S=v.currentProgram;!0===x&&(S=Qt(i,e,r));let E=!1,w=!1,C=!1;const P=S.getUniforms(),L=v.uniforms;ct.useProgram(S.program)&&(E=!0,w=!0,C=!0);i.id!==A&&(A=i.id,w=!0);if(E||R!==t){P.setValue(Dt,"projectionMatrix",t.projectionMatrix),P.setValue(Dt,"viewMatrix",t.matrixWorldInverse);const e=P.map.cameraPosition;void 0!==e&&e.setValue(Dt,rt.setFromMatrixPosition(t.matrixWorld)),lt.logarithmicDepthBuffer&&P.setValue(Dt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&P.setValue(Dt,"isOrthographic",!0===t.isOrthographicCamera),R!==t&&(R=t,w=!0,C=!0)}if(r.isSkinnedMesh){P.setOptional(Dt,r,"bindMatrix"),P.setOptional(Dt,r,"bindMatrixInverse");const t=r.skeleton;t&&(lt.floatVertexTextures?(null===t.boneTexture&&t.computeBoneTexture(),P.setValue(Dt,"boneTexture",t.boneTexture,dt)):console.warn("THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. 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0!==O.color&&!0===lt.isWebGL2)&&Tt.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,P.setValue(Dt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(L.envMap.value=l,L.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);w&&(P.setValue(Dt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(N=C,(D=L).ambientLightColor.needsUpdate=N,D.lightProbe.needsUpdate=N,D.directionalLights.needsUpdate=N,D.directionalLightShadows.needsUpdate=N,D.pointLights.needsUpdate=N,D.pointLightShadows.needsUpdate=N,D.spotLights.needsUpdate=N,D.spotLightShadows.needsUpdate=N,D.rectAreaLights.needsUpdate=N,D.hemisphereLights.needsUpdate=N),a&&!0===i.fog&&yt.refreshFogUniforms(L,a),yt.refreshMaterialUniforms(L,i,U,I,Q),xa.upload(Dt,te(v),L,dt));var D,N;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(xa.upload(Dt,te(v),L,dt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&P.setValue(Dt,"center",r.center);if(P.setValue(Dt,"modelViewMatrix",r.modelViewMatrix),P.setValue(Dt,"normalMatrix",r.normalMatrix),P.setValue(Dt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e<n;e++)if(lt.isWebGL2){const n=t[e];Ot.update(n,S),Ot.bind(n,S)}else console.warn("THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.")}return S}(t,e,n,i,r);ct.setMaterial(i,o);let l=n.index,c=1;if(!0===i.wireframe){if(l=gt.getWireframeAttribute(n),void 0===l)return;c=2}const u=n.drawRange,h=n.attributes.position;let d=u.start*c,p=(u.start+u.count)*c;null!==a&&(d=Math.max(d,a.start*c),p=Math.min(p,(a.start+a.count)*c)),null!==l?(d=Math.max(d,0),p=Math.min(p,l.count)):null!=h&&(d=Math.max(d,0),p=Math.min(p,h.count));const f=p-d;if(f<0||f===1/0)return;let m;Lt.setup(r,i,s,n,l);let g=At;if(null!==l&&(m=mt.get(l),g=Rt,g.setIndex(m)),r.isMesh)!0===i.wireframe?(ct.setLineWidth(i.wireframeLinewidth*ot()),g.setMode(Dt.LINES)):g.setMode(Dt.TRIANGLES);else if(r.isLine){let t=i.linewidth;void 0===t&&(t=1),ct.setLineWidth(t*ot()),r.isLineSegments?g.setMode(Dt.LINES):r.isLineLoop?g.setMode(Dt.LINE_LOOP):g.setMode(Dt.LINE_STRIP)}else r.isPoints?g.setMode(Dt.POINTS):r.isSprite&&g.setMode(Dt.TRIANGLES);if(r.isBatchedMesh)g.renderMultiDraw(r._multiDrawStarts,r._multiDrawCounts,r._multiDrawCount);else if(r.isInstancedMesh)g.renderInstances(d,f,r.count);else if(n.isInstancedBufferGeometry){const t=void 0!==n._maxInstanceCount?n._maxInstanceCount:1/0,e=Math.min(n.instanceCount,t);g.renderInstances(d,f,e)}else g.render(d,f)},this.compile=function(t,e,n=null){null===n&&(n=t),_=bt.get(n),_.init(),x.push(_),n.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(_.pushLight(t),t.castShadow&&_.pushShadow(t))})),t!==n&&t.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(_.pushLight(t),t.castShadow&&_.pushShadow(t))})),_.setupLights(M._useLegacyLights);const i=new Set;return t.traverse((function(t){const e=t.material;if(e)if(Array.isArray(e))for(let r=0;r<e.length;r++){const a=e[r];Gt(a,n,t),i.add(a)}else Gt(e,n,t),i.add(e)})),x.pop(),_=null,i},this.compileAsync=function(t,e,n=null){const i=this.compile(t,e,n);return new Promise((e=>{function n(){i.forEach((function(t){ht.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==st.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Vt=null;function jt(){Xt.stop()}function Wt(){Xt.start()}const Xt=new Ri;function qt(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||K.intersectsSprite(t)){i&&rt.setFromMatrixPosition(t.matrixWorld).applyMatrix4(tt);const e=vt.update(t),r=t.material;r.visible&&v.push(t,e,r,n,rt.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||K.intersectsObject(t))){const e=vt.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),rt.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),rt.copy(e.boundingSphere.center)),rt.applyMatrix4(t.matrixWorld).applyMatrix4(tt)),Array.isArray(r)){const i=e.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&v.push(t,e,s,n,rt.z,o)}}else r.visible&&v.push(t,e,r,n,rt.z,null)}const r=t.children;for(let t=0,a=r.length;t<a;t++)qt(r[t],e,n,i)}function Yt(t,e,n,i){const r=t.opaque,a=t.transmissive,o=t.transparent;_.setupLightsView(n),!0===Z&&Mt.setGlobalState(M.clippingPlanes,n),a.length>0&&function(t,e,n,i){const r=!0===n.isScene?n.overrideMaterial:null;if(null!==r)return;const a=lt.isWebGL2;null===Q&&(Q=new Jt(1,1,{generateMipmaps:!0,type:st.has("EXT_color_buffer_half_float")?W:B,minFilter:z,samples:a?4:0}));M.getDrawingBufferSize(et),a?Q.setSize(et.x,et.y):Q.setSize(wt(et.x),wt(et.y));const o=M.getRenderTarget();M.setRenderTarget(Q),M.getClearColor(O),D=M.getClearAlpha(),D<1&&M.setClearColor(16777215,.5);M.clear();const s=M.toneMapping;M.toneMapping=b,$t(t,n,i),dt.updateMultisampleRenderTarget(Q),dt.updateRenderTargetMipmap(Q);let l=!1;for(let t=0,r=e.length;t<r;t++){const r=e[t],a=r.object,o=r.geometry,s=r.material,c=r.group;if(2===s.side&&a.layers.test(i.layers)){const t=s.side;s.side=g,s.needsUpdate=!0,Zt(a,n,i,o,s,c),s.side=t,s.needsUpdate=!0,l=!0}}!0===l&&(dt.updateMultisampleRenderTarget(Q),dt.updateRenderTargetMipmap(Q));M.setRenderTarget(o),M.setClearColor(O,D),M.toneMapping=s}(r,a,e,n),i&&ct.viewport(C.copy(i)),r.length>0&&$t(r,e,n),a.length>0&&$t(a,e,n),o.length>0&&$t(o,e,n),ct.buffers.depth.setTest(!0),ct.buffers.depth.setMask(!0),ct.buffers.color.setMask(!0),ct.setPolygonOffset(!1)}function $t(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,a=t.length;r<a;r++){const a=t[r],o=a.object,s=a.geometry,l=null===i?a.material:i,c=a.group;o.layers.test(n.layers)&&Zt(o,e,n,s,l,c)}}function Zt(t,e,n,i,r,a){t.onBeforeRender(M,e,n,i,r,a),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),r.onBeforeRender(M,e,n,i,t,a),!0===r.transparent&&2===r.side&&!1===r.forceSinglePass?(r.side=g,r.needsUpdate=!0,M.renderBufferDirect(n,e,i,r,t,a),r.side=m,r.needsUpdate=!0,M.renderBufferDirect(n,e,i,r,t,a),r.side=2):M.renderBufferDirect(n,e,i,r,t,a),t.onAfterRender(M,e,n,i,r,a)}function Qt(t,e,n){!0!==e.isScene&&(e=at);const i=ht.get(t),r=_.state.lights,a=_.state.shadowsArray,o=r.state.version,s=_t.getParameters(t,r.state,a,e,n),l=_t.getProgramCacheKey(s);let c=i.programs;i.environment=t.isMeshStandardMaterial?e.environment:null,i.fog=e.fog,i.envMap=(t.isMeshStandardMaterial?ft:pt).get(t.envMap||i.environment),i.envMapRotation=null!==i.environment&&null===t.envMap?e.environmentRotation:t.envMapRotation,void 0===c&&(t.addEventListener("dispose",Ht),c=new Map,i.programs=c);let u=c.get(l);if(void 0!==u){if(i.currentProgram===u&&i.lightsStateVersion===o)return ee(t,s),u}else s.uniforms=_t.getUniforms(t),t.onBuild(n,s,M),t.onBeforeCompile(s,M),u=_t.acquireProgram(s,l),c.set(l,u),i.uniforms=s.uniforms;const h=i.uniforms;return(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(h.clippingPlanes=Mt.uniform),ee(t,s),i.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=o,i.needsLights&&(h.ambientLightColor.value=r.state.ambient,h.lightProbe.value=r.state.probe,h.directionalLights.value=r.state.directional,h.directionalLightShadows.value=r.state.directionalShadow,h.spotLights.value=r.state.spot,h.spotLightShadows.value=r.state.spotShadow,h.rectAreaLights.value=r.state.rectArea,h.ltc_1.value=r.state.rectAreaLTC1,h.ltc_2.value=r.state.rectAreaLTC2,h.pointLights.value=r.state.point,h.pointLightShadows.value=r.state.pointShadow,h.hemisphereLights.value=r.state.hemi,h.directionalShadowMap.value=r.state.directionalShadowMap,h.directionalShadowMatrix.value=r.state.directionalShadowMatrix,h.spotShadowMap.value=r.state.spotShadowMap,h.spotLightMatrix.value=r.state.spotLightMatrix,h.spotLightMap.value=r.state.spotLightMap,h.pointShadowMap.value=r.state.pointShadowMap,h.pointShadowMatrix.value=r.state.pointShadowMatrix),i.currentProgram=u,i.uniformsList=null,u}function te(t){if(null===t.uniformsList){const e=t.currentProgram.getUniforms();t.uniformsList=xa.seqWithValue(e.seq,t.uniforms)}return t.uniformsList}function ee(t,e){const n=ht.get(t);n.outputColorSpace=e.outputColorSpace,n.batching=e.batching,n.instancing=e.instancing,n.instancingColor=e.instancingColor,n.instancingMorph=e.instancingMorph,n.skinning=e.skinning,n.morphTargets=e.morphTargets,n.morphNormals=e.morphNormals,n.morphColors=e.morphColors,n.morphTargetsCount=e.morphTargetsCount,n.numClippingPlanes=e.numClippingPlanes,n.numIntersection=e.numClipIntersection,n.vertexAlphas=e.vertexAlphas,n.vertexTangents=e.vertexTangents,n.toneMapping=e.toneMapping}Xt.setAnimationLoop((function(t){Vt&&Vt(t)})),"undefined"!=typeof self&&Xt.setContext(self),this.setAnimationLoop=function(t){Vt=t,Ft.setAnimationLoop(t),null===t?Xt.stop():Xt.start()},Ft.addEventListener("sessionstart",jt),Ft.addEventListener("sessionend",Wt),this.render=function(t,e){if(void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===S)return;!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===Ft.enabled&&!0===Ft.isPresenting&&(!0===Ft.cameraAutoUpdate&&Ft.updateCamera(e),e=Ft.getCamera()),!0===t.isScene&&t.onBeforeRender(M,t,e,T),_=bt.get(t,x.length),_.init(),x.push(_),tt.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),K.setFromProjectionMatrix(tt),J=this.localClippingEnabled,Z=Mt.init(this.clippingPlanes,J),v=xt.get(t,y.length),v.init(),y.push(v),qt(t,e,0,M.sortObjects),v.finish(),!0===M.sortObjects&&v.sort(F,k),this.info.render.frame++,!0===Z&&Mt.beginShadows();const n=_.state.shadowsArray;if(St.render(n,t,e),!0===Z&&Mt.endShadows(),!0===this.info.autoReset&&this.info.reset(),!1!==Ft.enabled&&!1!==Ft.isPresenting&&!1!==Ft.hasDepthSensing()||Et.render(v,t),_.setupLights(M._useLegacyLights),e.isArrayCamera){const n=e.cameras;for(let e=0,i=n.length;e<i;e++){const i=n[e];Yt(v,t,i,i.viewport)}}else Yt(v,t,e);null!==T&&(dt.updateMultisampleRenderTarget(T),dt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),Lt.resetDefaultState(),A=-1,R=null,x.pop(),_=x.length>0?x[x.length-1]:null,y.pop(),v=y.length>0?y[y.length-1]:null},this.getActiveCubeFace=function(){return E},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){ht.get(t.texture).__webglTexture=e,ht.get(t.depthTexture).__webglTexture=n;const i=ht.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===st.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=ht.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,E=e,w=n;let i=!0,r=null,a=!1,o=!1;if(t){const s=ht.get(t);void 0!==s.__useDefaultFramebuffer?(ct.bindFramebuffer(Dt.FRAMEBUFFER,null),i=!1):void 0===s.__webglFramebuffer?dt.setupRenderTarget(t):s.__hasExternalTextures&&dt.rebindTextures(t,ht.get(t.texture).__webglTexture,ht.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(o=!0);const c=ht.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],a=!0):r=lt.isWebGL2&&t.samples>0&&!1===dt.useMultisampledRTT(t)?ht.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,C.copy(t.viewport),P.copy(t.scissor),L=t.scissorTest}else C.copy(G).multiplyScalar(U).floor(),P.copy(Y).multiplyScalar(U).floor(),L=$;if(ct.bindFramebuffer(Dt.FRAMEBUFFER,r)&&lt.drawBuffers&&i&&ct.drawBuffers(t,r),ct.viewport(C),ct.scissor(P),ct.setScissorTest(L),a){const i=ht.get(t.texture);Dt.framebufferTexture2D(Dt.FRAMEBUFFER,Dt.COLOR_ATTACHMENT0,Dt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(o){const i=ht.get(t.texture),r=e||0;Dt.framebufferTextureLayer(Dt.FRAMEBUFFER,Dt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}A=-1},this.readRenderTargetPixels=function(t,e,n,i,r,a,o){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=ht.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){ct.bindFramebuffer(Dt.FRAMEBUFFER,s);try{const o=t.texture,s=o.format,l=o.type;if(s!==q&&Pt.convert(s)!==Dt.getParameter(Dt.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===W&&(st.has("EXT_color_buffer_half_float")||lt.isWebGL2&&st.has("EXT_color_buffer_float"));if(!(l===B||Pt.convert(l)===Dt.getParameter(Dt.IMPLEMENTATION_COLOR_READ_TYPE)||l===j&&(lt.isWebGL2||st.has("OES_texture_float")||st.has("WEBGL_color_buffer_float"))||c))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Dt.readPixels(e,n,i,r,Pt.convert(s),Pt.convert(l),a)}finally{const t=null!==T?ht.get(T).__webglFramebuffer:null;ct.bindFramebuffer(Dt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i);dt.setTexture2D(e,0),Dt.copyTexSubImage2D(Dt.TEXTURE_2D,n,0,0,t.x,t.y,r,a),ct.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,a=e.image.height,o=Pt.convert(n.format),s=Pt.convert(n.type);dt.setTexture2D(n,0),Dt.pixelStorei(Dt.UNPACK_FLIP_Y_WEBGL,n.flipY),Dt.pixelStorei(Dt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Dt.pixelStorei(Dt.UNPACK_ALIGNMENT,n.unpackAlignment),e.isDataTexture?Dt.texSubImage2D(Dt.TEXTURE_2D,i,t.x,t.y,r,a,o,s,e.image.data):e.isCompressedTexture?Dt.compressedTexSubImage2D(Dt.TEXTURE_2D,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,o,e.mipmaps[0].data):Dt.texSubImage2D(Dt.TEXTURE_2D,i,t.x,t.y,o,s,e.image),0===i&&n.generateMipmaps&&Dt.generateMipmap(Dt.TEXTURE_2D),ct.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(M.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const a=Math.round(t.max.x-t.min.x),o=Math.round(t.max.y-t.min.y),s=t.max.z-t.min.z+1,l=Pt.convert(i.format),c=Pt.convert(i.type);let u;if(i.isData3DTexture)dt.setTexture3D(i,0),u=Dt.TEXTURE_3D;else{if(!i.isDataArrayTexture&&!i.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");dt.setTexture2DArray(i,0),u=Dt.TEXTURE_2D_ARRAY}Dt.pixelStorei(Dt.UNPACK_FLIP_Y_WEBGL,i.flipY),Dt.pixelStorei(Dt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),Dt.pixelStorei(Dt.UNPACK_ALIGNMENT,i.unpackAlignment);const h=Dt.getParameter(Dt.UNPACK_ROW_LENGTH),d=Dt.getParameter(Dt.UNPACK_IMAGE_HEIGHT),p=Dt.getParameter(Dt.UNPACK_SKIP_PIXELS),f=Dt.getParameter(Dt.UNPACK_SKIP_ROWS),m=Dt.getParameter(Dt.UNPACK_SKIP_IMAGES),g=n.isCompressedTexture?n.mipmaps[r]:n.image;Dt.pixelStorei(Dt.UNPACK_ROW_LENGTH,g.width),Dt.pixelStorei(Dt.UNPACK_IMAGE_HEIGHT,g.height),Dt.pixelStorei(Dt.UNPACK_SKIP_PIXELS,t.min.x),Dt.pixelStorei(Dt.UNPACK_SKIP_ROWS,t.min.y),Dt.pixelStorei(Dt.UNPACK_SKIP_IMAGES,t.min.z),n.isDataTexture||n.isData3DTexture?Dt.texSubImage3D(u,r,e.x,e.y,e.z,a,o,s,l,c,g.data):i.isCompressedArrayTexture?Dt.compressedTexSubImage3D(u,r,e.x,e.y,e.z,a,o,s,l,g.data):Dt.texSubImage3D(u,r,e.x,e.y,e.z,a,o,s,l,c,g),Dt.pixelStorei(Dt.UNPACK_ROW_LENGTH,h),Dt.pixelStorei(Dt.UNPACK_IMAGE_HEIGHT,d),Dt.pixelStorei(Dt.UNPACK_SKIP_PIXELS,p),Dt.pixelStorei(Dt.UNPACK_SKIP_ROWS,f),Dt.pixelStorei(Dt.UNPACK_SKIP_IMAGES,m),0===r&&i.generateMipmaps&&Dt.generateMipmap(u),ct.unbindTexture()},this.initTexture=function(t){t.isCubeTexture?dt.setTextureCube(t,0):t.isData3DTexture?dt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?dt.setTexture2DArray(t,0):dt.setTexture2D(t,0),ct.unbindTexture()},this.resetState=function(){E=0,w=0,T=null,ct.reset(),Lt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return pt}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===rt?"display-p3":"srgb",e.unpackColorSpace=Bt.workingColorSpace===at?"display-p3":"srgb"}get useLegacyLights(){return console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights}set useLegacyLights(t){console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights=t}}(class extends vo{}).prototype.isWebGL1Renderer=!0;class _o extends wn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Mn(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const yo=new ne,xo=new ne,bo=new Oe,Mo=new Le,So=new Se;class Eo{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let a=1;a<=t;a++)n=this.getPoint(a/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let a;a=e||t*n[r-1];let o,s=0,l=r-1;for(;s<=l;)if(i=Math.floor(s+(l-s)/2),o=n[i]-a,o<0)s=i+1;else{if(!(o>0)){l=i;break}l=i-1}if(i=l,n[i]===a)return i/(r-1);const c=n[i];return(i+(a-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const a=this.getPoint(i),o=this.getPoint(r),s=e||(a.isVector2?new Ct:new ne);return s.copy(o).sub(a).normalize(),s}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new ne,i=[],r=[],a=[],o=new ne,s=new Oe;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new ne)}r[0]=new ne,a[0]=new ne;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),u=Math.abs(i[0].y),h=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),u<=l&&(l=u,n.set(0,1,0)),h<=l&&n.set(0,0,1),o.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],o),a[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),a[e]=a[e-1].clone(),o.crossVectors(i[e-1],i[e]),o.length()>Number.EPSILON){o.normalize();const t=Math.acos(bt(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(s.makeRotationAxis(o,t))}a[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(bt(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(o.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(s.makeRotationAxis(i[n],e*n)),a[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:a}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class wo extends Eo{constructor(t=0,e=0,n=1,i=1,r=0,a=2*Math.PI,o=!1,s=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}getPoint(t,e=new Ct){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const a=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=a?0:i),!0!==this.aClockwise||a||(r===i?r=-i:r-=i);const o=this.aStartAngle+t*r;let s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=s-this.aX,i=l-this.aY;s=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(s,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}function To(){let t=0,e=0,n=0,i=0;function r(r,a,o,s){t=r,e=o,n=-3*r+3*a-2*o-s,i=2*r-2*a+o+s}return{initCatmullRom:function(t,e,n,i,a){r(e,n,a*(n-t),a*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,a,o,s){let l=(e-t)/a-(n-t)/(a+o)+(n-e)/o,c=(n-e)/o-(i-e)/(o+s)+(i-n)/s;l*=o,c*=o,r(e,n,l,c)},calc:function(r){const a=r*r;return t+e*r+n*a+i*(a*r)}}}const Ao=new ne,Ro=new To,Co=new To,Po=new To;function Lo(t,e,n,i,r){const a=.5*(i-e),o=.5*(r-n),s=t*t;return(2*n-2*i+a+o)*(t*s)+(-3*n+3*i-2*a-o)*s+a*t+n}function Oo(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function Do(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}class No extends Eo{constructor(t=new ne,e=new ne,n=new ne,i=new ne){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new ne){const n=e,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Do(t,i.x,r.x,a.x,o.x),Do(t,i.y,r.y,a.y,o.y),Do(t,i.z,r.z,a.z,o.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Io extends Eo{constructor(t=new ne,e=new ne,n=new ne){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new ne){const n=e,i=this.v0,r=this.v1,a=this.v2;return n.set(Oo(t,i.x,r.x,a.x),Oo(t,i.y,r.y,a.y),Oo(t,i.z,r.z,a.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}var Uo=Object.freeze({__proto__:null,ArcCurve:class extends wo{constructor(t,e,n,i,r,a){super(t,e,n,n,i,r,a),this.isArcCurve=!0,this.type="ArcCurve"}},CatmullRomCurve3:class extends Eo{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new ne){const n=e,i=this.points,r=i.length,a=(r-(this.closed?0:1))*t;let o,s,l=Math.floor(a),c=a-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?o=i[(l-1)%r]:(Ao.subVectors(i[0],i[1]).add(i[0]),o=Ao);const u=i[l%r],h=i[(l+1)%r];if(this.closed||l+2<r?s=i[(l+2)%r]:(Ao.subVectors(i[r-1],i[r-2]).add(i[r-1]),s=Ao),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(o.distanceToSquared(u),t),n=Math.pow(u.distanceToSquared(h),t),i=Math.pow(h.distanceToSquared(s),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),Ro.initNonuniformCatmullRom(o.x,u.x,h.x,s.x,e,n,i),Co.initNonuniformCatmullRom(o.y,u.y,h.y,s.y,e,n,i),Po.initNonuniformCatmullRom(o.z,u.z,h.z,s.z,e,n,i)}else"catmullrom"===this.curveType&&(Ro.initCatmullRom(o.x,u.x,h.x,s.x,this.tension),Co.initCatmullRom(o.y,u.y,h.y,s.y,this.tension),Po.initCatmullRom(o.z,u.z,h.z,s.z,this.tension));return n.set(Ro.calc(c),Co.calc(c),Po.calc(c)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new ne).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}},CubicBezierCurve:class extends Eo{constructor(t=new Ct,e=new Ct,n=new Ct,i=new Ct){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new Ct){const n=e,i=this.v0,r=this.v1,a=this.v2,o=this.v3;return n.set(Do(t,i.x,r.x,a.x,o.x),Do(t,i.y,r.y,a.y,o.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}},CubicBezierCurve3:No,EllipseCurve:wo,LineCurve:class extends Eo{constructor(t=new Ct,e=new Ct){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new Ct){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ct){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}},LineCurve3:class extends Eo{constructor(t=new ne,e=new ne){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new ne){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new ne){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}},QuadraticBezierCurve:class extends Eo{constructor(t=new Ct,e=new Ct,n=new Ct){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new Ct){const n=e,i=this.v0,r=this.v1,a=this.v2;return n.set(Oo(t,i.x,r.x,a.x),Oo(t,i.y,r.y,a.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}},QuadraticBezierCurve3:Io,SplineCurve:class extends Eo{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new Ct){const n=e,i=this.points,r=(i.length-1)*t,a=Math.floor(r),o=r-a,s=i[0===a?a:a-1],l=i[a],c=i[a>i.length-2?i.length-1:a+1],u=i[a>i.length-3?i.length-1:a+2];return n.set(Lo(o,s.x,l.x,c.x,u.x),Lo(o,s.y,l.y,c.y,u.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new Ct).fromArray(n))}return this}}});class Fo extends Bn{constructor(t=1,e=1,n=1,i=32,r=1,a=!1,o=0,s=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:n,radialSegments:i,heightSegments:r,openEnded:a,thetaStart:o,thetaLength:s};const l=this;i=Math.floor(i),r=Math.floor(r);const c=[],u=[],h=[],d=[];let p=0;const f=[],m=n/2;let g=0;function v(n){const r=p,a=new Ct,f=new ne;let v=0;const _=!0===n?t:e,y=!0===n?1:-1;for(let t=1;t<=i;t++)u.push(0,m*y,0),h.push(0,y,0),d.push(.5,.5),p++;const x=p;for(let t=0;t<=i;t++){const e=t/i*s+o,n=Math.cos(e),r=Math.sin(e);f.x=_*r,f.y=m*y,f.z=_*n,u.push(f.x,f.y,f.z),h.push(0,y,0),a.x=.5*n+.5,a.y=.5*r*y+.5,d.push(a.x,a.y),p++}for(let t=0;t<i;t++){const e=r+t,i=x+t;!0===n?c.push(i,i+1,e):c.push(i+1,i,e),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const a=new ne,v=new ne;let _=0;const y=(e-t)/n;for(let l=0;l<=r;l++){const c=[],g=l/r,_=g*(e-t)+t;for(let t=0;t<=i;t++){const e=t/i,r=e*s+o,l=Math.sin(r),f=Math.cos(r);v.x=_*l,v.y=-g*n+m,v.z=_*f,u.push(v.x,v.y,v.z),a.set(l,y,f).normalize(),h.push(a.x,a.y,a.z),d.push(e,1-g),c.push(p++)}f.push(c)}for(let t=0;t<i;t++)for(let e=0;e<r;e++){const n=f[e][t],i=f[e+1][t],r=f[e+1][t+1],a=f[e][t+1];c.push(n,i,a),c.push(i,r,a),_+=6}l.addGroup(g,_,0),g+=_}(),!1===a&&(t>0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new On(u,3)),this.setAttribute("normal",new On(h,3)),this.setAttribute("uv",new On(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Fo(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class ko extends Fo{constructor(t=1,e=1,n=32,i=1,r=!1,a=0,o=2*Math.PI){super(0,t,e,n,i,r,a,o),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:a,thetaLength:o}}static fromJSON(t){return new ko(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class zo extends Bn{constructor(t=1,e=32,n=16,i=0,r=2*Math.PI,a=0,o=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:n,phiStart:i,phiLength:r,thetaStart:a,thetaLength:o},e=Math.max(3,Math.floor(e)),n=Math.max(2,Math.floor(n));const s=Math.min(a+o,Math.PI);let l=0;const c=[],u=new ne,h=new ne,d=[],p=[],f=[],m=[];for(let d=0;d<=n;d++){const g=[],v=d/n;let _=0;0===d&&0===a?_=.5/e:d===n&&s===Math.PI&&(_=-.5/e);for(let n=0;n<=e;n++){const s=n/e;u.x=-t*Math.cos(i+s*r)*Math.sin(a+v*o),u.y=t*Math.cos(a+v*o),u.z=t*Math.sin(i+s*r)*Math.sin(a+v*o),p.push(u.x,u.y,u.z),h.copy(u).normalize(),f.push(h.x,h.y,h.z),m.push(s+_,1-v),g.push(l++)}c.push(g)}for(let t=0;t<n;t++)for(let i=0;i<e;i++){const e=c[t][i+1],r=c[t][i],o=c[t+1][i],l=c[t+1][i+1];(0!==t||a>0)&&d.push(e,r,l),(t!==n-1||s<Math.PI)&&d.push(r,o,l)}this.setIndex(d),this.setAttribute("position",new On(p,3)),this.setAttribute("normal",new On(f,3)),this.setAttribute("uv",new On(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new zo(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Bo extends Bn{constructor(t=new Io(new ne(-1,-1,0),new ne(-1,1,0),new ne(1,1,0)),e=64,n=1,i=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:i,closed:r};const a=t.computeFrenetFrames(e,r);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;const o=new ne,s=new ne,l=new Ct;let c=new ne;const u=[],h=[],d=[],p=[];function f(r){c=t.getPointAt(r/e,c);const l=a.normals[r],d=a.binormals[r];for(let t=0;t<=i;t++){const e=t/i*Math.PI*2,r=Math.sin(e),a=-Math.cos(e);s.x=a*l.x+r*d.x,s.y=a*l.y+r*d.y,s.z=a*l.z+r*d.z,s.normalize(),h.push(s.x,s.y,s.z),o.x=c.x+n*s.x,o.y=c.y+n*s.y,o.z=c.z+n*s.z,u.push(o.x,o.y,o.z)}}!function(){for(let t=0;t<e;t++)f(t);f(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let n=0;n<=i;n++)l.x=t/e,l.y=n/i,d.push(l.x,l.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=i;e++){const n=(i+1)*(t-1)+(e-1),r=(i+1)*t+(e-1),a=(i+1)*t+e,o=(i+1)*(t-1)+e;p.push(n,r,o),p.push(r,a,o)}}()}(),this.setIndex(p),this.setAttribute("position",new On(u,3)),this.setAttribute("normal",new On(h,3)),this.setAttribute("uv",new On(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new Bo((new Uo[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}const Ho={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class Go{constructor(t,e,n){const i=this;let r,a=!1,o=0,s=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){s++,!1===a&&void 0!==i.onStart&&i.onStart(t,o,s),a=!0},this.itemEnd=function(t){o++,void 0!==i.onProgress&&i.onProgress(t,o,s),o===s&&(a=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,n=l.length;e<n;e+=2){const n=l[e],i=l[e+1];if(n.global&&(n.lastIndex=0),n.test(t))return i}return null}}}const Vo=new Go;class jo{constructor(t){this.manager=void 0!==t?t:Vo,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const n=this;return new Promise((function(i,r){n.load(t,i,e,r)}))}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}}jo.DEFAULT_MATERIAL_NAME="__DEFAULT";class Wo extends jo{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,a=Ho.get(t);if(void 0!==a)return r.manager.itemStart(t),setTimeout((function(){e&&e(a),r.manager.itemEnd(t)}),0),a;const o=Dt("img");function s(){c(),Ho.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){c(),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}function 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{var} : 0;',{indent:4})}\n    }\n  }\n  \n  Vector.prototype.reset = function () {\n    ${n("this.{var} = ",{join:""})}0;\n  };`}Ul.exports=function(t,e){let n=Hl(t,e),{Body:i}=new Function(n)();return i},Ul.exports.generateCreateBodyFunctionBody=Hl,Ul.exports.getVectorCode=Vl,Ul.exports.getBodyCode=Gl;var jl=Ul.exports,Wl={exports:{}};const Xl=zl,ql=Fl;function Yl(t){let e=Xl(t),n=Math.pow(2,t);return`\n${Ql()}\n${Jl(t)}\n${$l(t)}\n${Zl(t)}\n${Kl(t)}\n\nfunction createQuadTree(options, random) {\n  options = options || {};\n  options.gravity = typeof options.gravity === 'number' ? options.gravity : -1;\n  options.theta = typeof options.theta === 'number' ? options.theta : 0.8;\n\n  var gravity = options.gravity;\n  var updateQueue = [];\n  var insertStack = new InsertStack();\n  var theta = options.theta;\n\n  var nodesCache = [];\n  var currentInCache = 0;\n  var root = newNode();\n\n  return {\n    insertBodies: insertBodies,\n\n    /**\n     * Gets root node if it is present\n     */\n    getRoot: function() {\n      return root;\n    },\n\n    updateBodyForce: update,\n\n    options: function(newOptions) {\n      if (newOptions) {\n        if (typeof newOptions.gravity === 'number') {\n          gravity = newOptions.gravity;\n        }\n        if (typeof newOptions.theta === 'number') {\n          theta = newOptions.theta;\n        }\n\n        return this;\n      }\n\n      return {\n        gravity: gravity,\n        theta: theta\n      };\n    }\n  };\n\n  function newNode() {\n    // To avoid pressure on GC we reuse nodes.\n    var node = nodesCache[currentInCache];\n    if (node) {\n${function(t){let e=[];for(let i=0;i<n;++i)e.push(`${t}quad${i} = null;`);return e.join("\n")}("      node.")}\n      node.body = null;\n      node.mass = ${e("node.mass_{var} = ",{join:""})}0;\n      ${e("node.min_{var} = node.max_{var} = ",{join:""})}0;\n    } else {\n      node = new QuadNode();\n      nodesCache[currentInCache] = node;\n    }\n\n    ++currentInCache;\n    return node;\n  }\n\n  function update(sourceBody) {\n    var queue = updateQueue;\n    var v;\n    ${e("var d{var};",{indent:4})}\n    var r; \n    ${e("var f{var} = 0;",{indent:4})}\n    var queueLength = 1;\n    var shiftIdx = 0;\n    var pushIdx = 1;\n\n    queue[0] = root;\n\n    while (queueLength) {\n      var node = queue[shiftIdx];\n      var body = node.body;\n\n      queueLength -= 1;\n      shiftIdx += 1;\n      var differentBody = (body !== sourceBody);\n      if (body && differentBody) {\n        // If the current node is a leaf node (and it is not source body),\n        // calculate the force exerted by the current node on body, and add this\n        // amount to body's net force.\n        ${e("d{var} = body.pos.{var} - sourceBody.pos.{var};",{indent:8})}\n        r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n\n        if (r === 0) {\n          // Poor man's protection against zero distance.\n          ${e("d{var} = (random.nextDouble() - 0.5) / 50;",{indent:10})}\n          r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n        }\n\n        // This is standard gravitation force calculation but we divide\n        // by r^3 to save two operations when normalizing force vector.\n        v = gravity * body.mass * sourceBody.mass / (r * r * r);\n        ${e("f{var} += v * d{var};",{indent:8})}\n      } else if (differentBody) {\n        // Otherwise, calculate the ratio s / r,  where s is the width of the region\n        // represented by the internal node, and r is the distance between the body\n        // and the node's center-of-mass\n        ${e("d{var} = node.mass_{var} / node.mass - sourceBody.pos.{var};",{indent:8})}\n        r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n\n        if (r === 0) {\n          // Sorry about code duplication. I don't want to create many functions\n          // right away. Just want to see performance first.\n          ${e("d{var} = (random.nextDouble() - 0.5) / 50;",{indent:10})}\n          r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n        }\n        // If s / r < θ, treat this internal node as a single body, and calculate the\n        // force it exerts on sourceBody, and add this amount to sourceBody's net force.\n        if ((node.max_${ql(0)} - node.min_${ql(0)}) / r < theta) {\n          // in the if statement above we consider node's width only\n          // because the region was made into square during tree creation.\n          // Thus there is no difference between using width or height.\n          v = gravity * node.mass * sourceBody.mass / (r * r * r);\n          ${e("f{var} += v * d{var};",{indent:10})}\n        } else {\n          // Otherwise, run the procedure recursively on each of the current node's children.\n\n          // I intentionally unfolded this loop, to save several CPU cycles.\n${function(){let t=Array(11).join(" "),e=[];for(let i=0;i<n;++i)e.push(t+`if (node.quad${i}) {`),e.push(t+`  queue[pushIdx] = node.quad${i};`),e.push(t+"  queueLength += 1;"),e.push(t+"  pushIdx += 1;"),e.push(t+"}");return e.join("\n")}()}\n        }\n      }\n    }\n\n    ${e("sourceBody.force.{var} += f{var};",{indent:4})}\n  }\n\n  function insertBodies(bodies) {\n    ${e("var {var}min = Number.MAX_VALUE;",{indent:4})}\n    ${e("var {var}max = Number.MIN_VALUE;",{indent:4})}\n    var i = bodies.length;\n\n    // To reduce quad tree depth we are looking for exact bounding box of all particles.\n    while (i--) {\n      var pos = bodies[i].pos;\n      ${e("if (pos.{var} < {var}min) {var}min = pos.{var};",{indent:6})}\n      ${e("if (pos.{var} > {var}max) {var}max = pos.{var};",{indent:6})}\n    }\n\n    // Makes the bounds square.\n    var maxSideLength = -Infinity;\n    ${e("if ({var}max - {var}min > maxSideLength) maxSideLength = {var}max - {var}min ;",{indent:4})}\n\n    currentInCache = 0;\n    root = newNode();\n    ${e("root.min_{var} = {var}min;",{indent:4})}\n    ${e("root.max_{var} = {var}min + maxSideLength;",{indent:4})}\n\n    i = bodies.length - 1;\n    if (i >= 0) {\n      root.body = bodies[i];\n    }\n    while (i--) {\n      insert(bodies[i], root);\n    }\n  }\n\n  function insert(newBody) {\n    insertStack.reset();\n    insertStack.push(root, newBody);\n\n    while (!insertStack.isEmpty()) {\n      var stackItem = insertStack.pop();\n      var node = stackItem.node;\n      var body = stackItem.body;\n\n      if (!node.body) {\n        // This is internal node. Update the total mass of the node and center-of-mass.\n        ${e("var {var} = body.pos.{var};",{indent:8})}\n        node.mass += body.mass;\n        ${e("node.mass_{var} += body.mass * {var};",{indent:8})}\n\n        // Recursively insert the body in the appropriate quadrant.\n        // But first find the appropriate quadrant.\n        var quadIdx = 0; // Assume we are in the 0's quad.\n        ${e("var min_{var} = node.min_{var};",{indent:8})}\n        ${e("var max_{var} = (min_{var} + node.max_{var}) / 2;",{indent:8})}\n\n${function(e){let n=[],i=Array(e+1).join(" ");for(let e=0;e<t;++e)n.push(i+`if (${ql(e)} > max_${ql(e)}) {`),n.push(i+`  quadIdx = quadIdx + ${Math.pow(2,e)};`),n.push(i+`  min_${ql(e)} = max_${ql(e)};`),n.push(i+`  max_${ql(e)} = node.max_${ql(e)};`),n.push(i+"}");return n.join("\n")}(8)}\n\n        var child = getChild(node, quadIdx);\n\n        if (!child) {\n          // The node is internal but this quadrant is not taken. Add\n          // subnode to it.\n          child = newNode();\n          ${e("child.min_{var} = min_{var};",{indent:10})}\n          ${e("child.max_{var} = max_{var};",{indent:10})}\n          child.body = body;\n\n          setChild(node, quadIdx, child);\n        } else {\n          // continue searching in this quadrant.\n          insertStack.push(child, body);\n        }\n      } else {\n        // We are trying to add to the leaf node.\n        // We have to convert current leaf into internal node\n        // and continue adding two nodes.\n        var oldBody = node.body;\n        node.body = null; // internal nodes do not cary bodies\n\n        if (isSamePosition(oldBody.pos, body.pos)) {\n          // Prevent infinite subdivision by bumping one node\n          // anywhere in this quadrant\n          var retriesCount = 3;\n          do {\n            var offset = random.nextDouble();\n            ${e("var d{var} = (node.max_{var} - node.min_{var}) * offset;",{indent:12})}\n\n            ${e("oldBody.pos.{var} = node.min_{var} + d{var};",{indent:12})}\n            retriesCount -= 1;\n            // Make sure we don't bump it out of the box. If we do, next iteration should fix it\n          } while (retriesCount > 0 && isSamePosition(oldBody.pos, body.pos));\n\n          if (retriesCount === 0 && isSamePosition(oldBody.pos, body.pos)) {\n            // This is very bad, we ran out of precision.\n            // if we do not return from the method we'll get into\n            // infinite loop here. So we sacrifice correctness of layout, and keep the app running\n            // Next layout iteration should get larger bounding box in the first step and fix this\n            return;\n          }\n        }\n        // Next iteration should subdivide node further.\n        insertStack.push(node, oldBody);\n        insertStack.push(node, body);\n      }\n    }\n  }\n}\nreturn createQuadTree;\n\n`}function $l(t){let e=Xl(t);return`\n  function isSamePosition(point1, point2) {\n    ${e("var d{var} = Math.abs(point1.{var} - point2.{var});",{indent:2})}\n  \n    return ${e("d{var} < 1e-8",{join:" && "})};\n  }  \n`}function Kl(t){var e=Math.pow(2,t);return`\nfunction setChild(node, idx, child) {\n  ${function(){let t=[];for(let n=0;n<e;++n){let e=0===n?"  ":"  else ";t.push(`${e}if (idx === ${n}) node.quad${n} = child;`)}return t.join("\n")}()}\n}`}function Zl(t){return`function getChild(node, idx) {\n${function(){let e=[],n=Math.pow(2,t);for(let t=0;t<n;++t)e.push(`  if (idx === ${t}) return node.quad${t};`);return e.join("\n")}()}\n  return null;\n}`}function Jl(t){let e=Xl(t),n=Math.pow(2,t);return`\nfunction QuadNode() {\n  // body stored inside this node. In quad tree only leaf nodes (by construction)\n  // contain bodies:\n  this.body = null;\n\n  // Child nodes are stored in quads. Each quad is presented by number:\n  // 0 | 1\n  // -----\n  // 2 | 3\n${function(t){let e=[];for(let i=0;i<n;++i)e.push(`${t}quad${i} = null;`);return e.join("\n")}("  this.")}\n\n  // Total mass of current node\n  this.mass = 0;\n\n  // Center of mass coordinates\n  ${e("this.mass_{var} = 0;",{indent:2})}\n\n  // bounding box coordinates\n  ${e("this.min_{var} = 0;",{indent:2})}\n  ${e("this.max_{var} = 0;",{indent:2})}\n}\n`}function Ql(){return"\n/**\n * Our implementation of QuadTree is non-recursive to avoid GC hit\n * This data structure represent stack of elements\n * which we are trying to insert into quad tree.\n */\nfunction InsertStack () {\n    this.stack = [];\n    this.popIdx = 0;\n}\n\nInsertStack.prototype = {\n    isEmpty: function() {\n        return this.popIdx === 0;\n    },\n    push: function (node, body) {\n        var item = this.stack[this.popIdx];\n        if (!item) {\n            // we are trying to avoid memory pressure: create new element\n            // only when absolutely necessary\n            this.stack[this.popIdx] = new InsertStackElement(node, body);\n        } else {\n            item.node = node;\n            item.body = body;\n        }\n        ++this.popIdx;\n    },\n    pop: function () {\n        if (this.popIdx > 0) {\n            return this.stack[--this.popIdx];\n        }\n    },\n    reset: function () {\n        this.popIdx = 0;\n    }\n};\n\nfunction InsertStackElement(node, body) {\n    this.node = node; // QuadTree node\n    this.body = body; // physical body which needs to be inserted to node\n}\n"}Wl.exports=function(t){let e=Yl(t);return new Function(e)()},Wl.exports.generateQuadTreeFunctionBody=Yl,Wl.exports.getInsertStackCode=Ql,Wl.exports.getQuadNodeCode=Jl,Wl.exports.isSamePosition=$l,Wl.exports.getChildBodyCode=Zl,Wl.exports.setChildBodyCode=Kl;var tc=Wl.exports,ec={exports:{}};ec.exports=function(t){let e=ic(t);return new Function("bodies","settings","random",e)},ec.exports.generateFunctionBody=ic;const nc=zl;function ic(t){let e=nc(t);return`\n  var boundingBox = {\n    ${e("min_{var}: 0, max_{var}: 0,",{indent:4})}\n  };\n\n  return {\n    box: boundingBox,\n\n    update: updateBoundingBox,\n\n    reset: resetBoundingBox,\n\n    getBestNewPosition: function (neighbors) {\n      var ${e("base_{var} = 0",{join:", "})};\n\n      if (neighbors.length) {\n        for (var i = 0; i < neighbors.length; ++i) {\n          let neighborPos = neighbors[i].pos;\n          ${e("base_{var} += neighborPos.{var};",{indent:10})}\n        }\n\n        ${e("base_{var} /= neighbors.length;",{indent:8})}\n      } else {\n        ${e("base_{var} = (boundingBox.min_{var} + boundingBox.max_{var}) / 2;",{indent:8})}\n      }\n\n      var springLength = settings.springLength;\n      return {\n        ${e("{var}: base_{var} + (random.nextDouble() - 0.5) * springLength,",{indent:8})}\n      };\n    }\n  };\n\n  function updateBoundingBox() {\n    var i = bodies.length;\n    if (i === 0) return; // No bodies - no borders.\n\n    ${e("var max_{var} = -Infinity;",{indent:4})}\n    ${e("var min_{var} = Infinity;",{indent:4})}\n\n    while(i--) {\n      // this is O(n), it could be done faster with quadtree, if we check the root node bounds\n      var bodyPos = bodies[i].pos;\n      ${e("if (bodyPos.{var} < min_{var}) min_{var} = bodyPos.{var};",{indent:6})}\n      ${e("if (bodyPos.{var} > max_{var}) max_{var} = bodyPos.{var};",{indent:6})}\n    }\n\n    ${e("boundingBox.min_{var} = min_{var};",{indent:4})}\n    ${e("boundingBox.max_{var} = max_{var};",{indent:4})}\n  }\n\n  function resetBoundingBox() {\n    ${e("boundingBox.min_{var} = boundingBox.max_{var} = 0;",{indent:4})}\n  }\n`}var rc=ec.exports,ac={exports:{}};const oc=zl;function sc(t){return`\n  if (!Number.isFinite(options.dragCoefficient)) throw new Error('dragCoefficient is not a finite number');\n\n  return {\n    update: function(body) {\n      ${oc(t)("body.force.{var} -= options.dragCoefficient * body.velocity.{var};",{indent:6})}\n    }\n  };\n`}ac.exports=function(t){let e=sc(t);return new Function("options",e)},ac.exports.generateCreateDragForceFunctionBody=sc;var lc=ac.exports,cc={exports:{}};const uc=zl;function hc(t){let e=uc(t);return`\n  if (!Number.isFinite(options.springCoefficient)) throw new Error('Spring coefficient is not a number');\n  if (!Number.isFinite(options.springLength)) throw new Error('Spring length is not a number');\n\n  return {\n    /**\n     * Updates forces acting on a spring\n     */\n    update: function (spring) {\n      var body1 = spring.from;\n      var body2 = spring.to;\n      var length = spring.length < 0 ? options.springLength : spring.length;\n      ${e("var d{var} = body2.pos.{var} - body1.pos.{var};",{indent:6})}\n      var r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n\n      if (r === 0) {\n        ${e("d{var} = (random.nextDouble() - 0.5) / 50;",{indent:8})}\n        r = Math.sqrt(${e("d{var} * d{var}",{join:" + "})});\n      }\n\n      var d = r - length;\n      var coefficient = ((spring.coefficient > 0) ? spring.coefficient : options.springCoefficient) * d / r;\n\n      ${e("body1.force.{var} += coefficient * d{var}",{indent:6})};\n      body1.springCount += 1;\n      body1.springLength += r;\n\n      ${e("body2.force.{var} -= coefficient * d{var}",{indent:6})};\n      body2.springCount += 1;\n      body2.springLength += r;\n    }\n  };\n`}cc.exports=function(t){let e=hc(t);return new Function("options","random",e)},cc.exports.generateCreateSpringForceFunctionBody=hc;var dc=cc.exports,pc={exports:{}};const fc=zl;function mc(t){let e=fc(t);return`\n  var length = bodies.length;\n  if (length === 0) return 0;\n\n  ${e("var d{var} = 0, t{var} = 0;",{indent:2})}\n\n  for (var i = 0; i < length; ++i) {\n    var body = bodies[i];\n    if (body.isPinned) continue;\n\n    if (adaptiveTimeStepWeight && body.springCount) {\n      timeStep = (adaptiveTimeStepWeight * body.springLength/body.springCount);\n    }\n\n    var coeff = timeStep / body.mass;\n\n    ${e("body.velocity.{var} += coeff * body.force.{var};",{indent:4})}\n    ${e("var v{var} = body.velocity.{var};",{indent:4})}\n    var v = Math.sqrt(${e("v{var} * v{var}",{join:" + "})});\n\n    if (v > 1) {\n      // We normalize it so that we move within timeStep range. \n      // for the case when v <= 1 - we let velocity to fade out.\n      ${e("body.velocity.{var} = v{var} / v;",{indent:6})}\n    }\n\n    ${e("d{var} = timeStep * body.velocity.{var};",{indent:4})}\n\n    ${e("body.pos.{var} += d{var};",{indent:4})}\n\n    ${e("t{var} += Math.abs(d{var});",{indent:4})}\n  }\n\n  return (${e("t{var} * t{var}",{join:" + "})})/length;\n`}pc.exports=function(t){let e=mc(t);return new Function("bodies","timeStep","adaptiveTimeStepWeight",e)},pc.exports.generateIntegratorFunctionBody=mc;var gc,vc,_c,yc,xc=pc.exports;var bc,Mc={exports:{}};var Sc=function(t){var e=vc?gc:(vc=1,gc=function(t,e,n,i){this.from=t,this.to=e,this.length=n,this.coefficient=i}),n=(yc||(yc=1,_c=function t(e,n){var i;if(e||(e={}),n)for(i in n)if(n.hasOwnProperty(i)){var r=e.hasOwnProperty(i),a=typeof n[i];r&&typeof e[i]===a?"object"===a&&(e[i]=t(e[i],n[i])):e[i]=n[i]}return e}),_c),i=Al;if(t){if(void 0!==t.springCoeff)throw new Error("springCoeff was renamed to springCoefficient");if(void 0!==t.dragCoeff)throw new Error("dragCoeff was renamed to dragCoefficient")}t=n(t,{springLength:10,springCoefficient:.8,gravity:-12,theta:.8,dragCoefficient:.9,timeStep:.5,adaptiveTimeStepWeight:0,dimensions:2,debug:!1});var r=Pc[t.dimensions];if(!r){var a=t.dimensions;r={Body:Ec(a,t.debug),createQuadTree:wc(a),createBounds:Tc(a),createDragForce:Ac(a),createSpringForce:Rc(a),integrate:Cc(a)},Pc[a]=r}var o=r.Body,s=r.createQuadTree,l=r.createBounds,c=r.createDragForce,u=r.createSpringForce,h=r.integrate,d=function(){if(bc)return Mc.exports;function t(t){return new e("number"==typeof t?t:+new Date)}function e(t){this.seed=t}function n(t){return Math.sqrt(2*Math.PI/t)*Math.pow(1/Math.E*(t+1/(12*t-1/(10*t))),t)}function i(){var t=this.seed;return t=4294967295&(3042594569^(t=4251993797+(t=4294967295&(3550635116+(t=374761393+(t=4294967295&(3345072700^(t=t+2127912214+(t<<12)&4294967295)^t>>>19))+(t<<5)&4294967295)^t<<9))+(t<<3)&4294967295)^t>>>16),this.seed=t,(268435455&t)/268435456}return bc=1,Mc.exports=t,Mc.exports.random=t,Mc.exports.randomIterator=function(e,n){var i=n||t();if("function"!=typeof i.next)throw new Error("customRandom does not match expected API: next() function is missing");return{forEach:function(t){var n,r,a;for(n=e.length-1;n>0;--n)r=i.next(n+1),a=e[r],e[r]=e[n],e[n]=a,t(a);e.length&&t(e[0])},shuffle:function(){var t,n,r;for(t=e.length-1;t>0;--t)n=i.next(t+1),r=e[n],e[n]=e[t],e[t]=r;return e}}},e.prototype.next=function(t){return Math.floor(this.nextDouble()*t)},e.prototype.nextDouble=i,e.prototype.uniform=i,e.prototype.gaussian=function(){var t,e,n;do{t=(e=2*this.nextDouble()-1)*e+(n=2*this.nextDouble()-1)*n}while(t>=1||0===t);return e*Math.sqrt(-2*Math.log(t)/t)},e.prototype.levy=function(){var t=1.5,e=Math.pow(n(2.5)*Math.sin(Math.PI*t/2)/(n(1.25)*t*Math.pow(2,.25)),1/t);return this.gaussian()*e/Math.pow(Math.abs(this.gaussian()),1/t)},Mc.exports}().random(42),p=[],f=[],m=s(t,d),g=l(p,t,d),v=u(t,d),_=c(t),y=[],x=new Map,b=0;E("nbody",(function(){if(0===p.length)return;m.insertBodies(p);var t=p.length;for(;t--;){var e=p[t];e.isPinned||(e.reset(),m.updateBodyForce(e),_.update(e))}})),E("spring",(function(){var t=f.length;for(;t--;)v.update(f[t])}));var M={bodies:p,quadTree:m,springs:f,settings:t,addForce:E,removeForce:function(t){var e=y.indexOf(x.get(t));if(e<0)return;y.splice(e,1),x.delete(t)},getForces:function(){return x},step:function(){for(var e=0;e<y.length;++e)y[e](b);var n=h(p,t.timeStep,t.adaptiveTimeStepWeight);return b+=1,n},addBody:function(t){if(!t)throw new Error("Body is required");return p.push(t),t},addBodyAt:function(t){if(!t)throw new Error("Body position is required");var e=(t=>new o(t))(t);return p.push(e),e},removeBody:function(t){if(t){var e=p.indexOf(t);if(!(e<0))return p.splice(e,1),0===p.length&&g.reset(),!0}},addSpring:function(t,n,i,r){if(!t||!n)throw new Error("Cannot add null spring to force simulator");"number"!=typeof i&&(i=-1);var a=new e(t,n,i,r>=0?r:-1);return f.push(a),a},getTotalMovement:function(){return 0},removeSpring:function(t){if(t){var e=f.indexOf(t);return e>-1?(f.splice(e,1),!0):void 0}},getBestNewBodyPosition:function(t){return g.getBestNewPosition(t)},getBBox:S,getBoundingBox:S,invalidateBBox:function(){console.warn("invalidateBBox() is deprecated, bounds always recomputed on `getBBox()` call")},gravity:function(e){return void 0!==e?(t.gravity=e,m.options({gravity:e}),this):t.gravity},theta:function(e){return void 0!==e?(t.theta=e,m.options({theta:e}),this):t.theta},random:d};return function(t,e){for(var n in 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0!==arguments[2]?arguments[2]:{},a=r.nodeFilter,o=void 0===a?function(){return!0}:a,s=r.onLoopError,l=void 0===s?function(t){throw"Invalid DAG structure! 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TypeError("Cannot call a class as a function")}(this,i);for(var r=arguments.length,a=new Array(r),o=0;o<r;o++)a[o]=arguments[o];return(n=Sh(this,i,[].concat(a))).__kapsuleInstance=t().apply(void 0,[].concat(Uh(e?[Nh(n)]:[]),a)),n}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&Oh(t,e)}(i,n),r=i,a&&Ch(r.prototype,a),o&&Ch(r,o),Object.defineProperty(r,"prototype",{writable:!1}),r;var r,a,o}(arguments.length>1&&void 0!==arguments[1]?arguments[1]:Object);return Object.keys(t()).forEach((function(t){return n.prototype[t]=function(){var e,n=(e=this.__kapsuleInstance)[t].apply(e,arguments);return n===this.__kapsuleInstance?this:n}})),n}(Jh,(window.THREE?window.THREE:{Group:so}).Group,!0);const td={type:"change"},ed={type:"start"},nd={type:"end"};class id extends mt{constructor(t,e){super();const n=this,i=-1,r=0,a=1,o=2,l=3,c=4;this.object=t,this.domElement=e,this.domElement.style.touchAction="none",this.enabled=!0,this.screen={left:0,top:0,width:0,height:0},this.rotateSpeed=1,this.zoomSpeed=1.2,this.panSpeed=.3,this.noRotate=!1,this.noZoom=!1,this.noPan=!1,this.staticMoving=!1,this.dynamicDampingFactor=.2,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.keys=["KeyA","KeyS","KeyD"],this.mouseButtons={LEFT:s.ROTATE,MIDDLE:s.DOLLY,RIGHT:s.PAN},this.target=new ne;const u=1e-6,h=new ne;let d=1,p=i,f=i,m=0,g=0,v=0;const _=new ne,y=new Ct,x=new Ct,b=new ne,M=new Ct,S=new Ct,E=new Ct,w=new Ct,T=[],A={};this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.up0=this.object.up.clone(),this.zoom0=this.object.zoom,this.handleResize=function(){const t=n.domElement.getBoundingClientRect(),e=n.domElement.ownerDocument.documentElement;n.screen.left=t.left+window.pageXOffset-e.clientLeft,n.screen.top=t.top+window.pageYOffset-e.clientTop,n.screen.width=t.width,n.screen.height=t.height};const R=function(){const t=new Ct;return function(e,i){return t.set((e-n.screen.left)/n.screen.width,(i-n.screen.top)/n.screen.height),t}}(),C=function(){const t=new Ct;return function(e,i){return t.set((e-.5*n.screen.width-n.screen.left)/(.5*n.screen.width),(n.screen.height+2*(n.screen.top-i))/n.screen.width),t}}();function P(t){!1!==n.enabled&&(0===T.length&&(n.domElement.setPointerCapture(t.pointerId),n.domElement.addEventListener("pointermove",L),n.domElement.addEventListener("pointerup",O)),function(t){T.push(t)}(t),"touch"===t.pointerType?function(t){if(1===(z(t),T.length))p=l,x.copy(C(T[0].pageX,T[0].pageY)),y.copy(x);else{p=c;const t=T[0].pageX-T[1].pageX,e=T[0].pageY-T[1].pageY;g=m=Math.sqrt(t*t+e*e);const n=(T[0].pageX+T[1].pageX)/2,i=(T[0].pageY+T[1].pageY)/2;E.copy(R(n,i)),w.copy(E)}n.dispatchEvent(ed)}(t):function(t){if(p===i)switch(t.button){case n.mouseButtons.LEFT:p=r;break;case n.mouseButtons.MIDDLE:p=a;break;case n.mouseButtons.RIGHT:p=o}const e=f!==i?f:p;e!==r||n.noRotate?e!==a||n.noZoom?e!==o||n.noPan||(E.copy(R(t.pageX,t.pageY)),w.copy(E)):(M.copy(R(t.pageX,t.pageY)),S.copy(M)):(x.copy(C(t.pageX,t.pageY)),y.copy(x));n.dispatchEvent(ed)}(t))}function L(t){!1!==n.enabled&&("touch"===t.pointerType?function(t){if(1===(z(t),T.length))y.copy(x),x.copy(C(t.pageX,t.pageY));else{const e=function(t){const e=t.pointerId===T[0].pointerId?T[1]:T[0];return A[e.pointerId]}(t),n=t.pageX-e.x,i=t.pageY-e.y;g=Math.sqrt(n*n+i*i);const r=(t.pageX+e.x)/2,a=(t.pageY+e.y)/2;w.copy(R(r,a))}}(t):function(t){const e=f!==i?f:p;e!==r||n.noRotate?e!==a||n.noZoom?e!==o||n.noPan||w.copy(R(t.pageX,t.pageY)):S.copy(R(t.pageX,t.pageY)):(y.copy(x),x.copy(C(t.pageX,t.pageY)))}(t))}function O(t){!1!==n.enabled&&("touch"===t.pointerType?function(t){switch(T.length){case 0:p=i;break;case 1:p=l,x.copy(C(t.pageX,t.pageY)),y.copy(x);break;case 2:p=c;for(let e=0;e<T.length;e++)if(T[e].pointerId!==t.pointerId){const t=A[T[e].pointerId];x.copy(C(t.x,t.y)),y.copy(x);break}}n.dispatchEvent(nd)}(t):(p=i,n.dispatchEvent(nd)),k(t),0===T.length&&(n.domElement.releasePointerCapture(t.pointerId),n.domElement.removeEventListener("pointermove",L),n.domElement.removeEventListener("pointerup",O)))}function D(t){k(t)}function N(t){!1!==n.enabled&&(window.removeEventListener("keydown",N),f===i&&(t.code!==n.keys[r]||n.noRotate?t.code!==n.keys[a]||n.noZoom?t.code!==n.keys[o]||n.noPan||(f=o):f=a:f=r))}function I(){!1!==n.enabled&&(f=i,window.addEventListener("keydown",N))}function U(t){if(!1!==n.enabled&&!0!==n.noZoom){switch(t.preventDefault(),t.deltaMode){case 2:M.y-=.025*t.deltaY;break;case 1:M.y-=.01*t.deltaY;break;default:M.y-=25e-5*t.deltaY}n.dispatchEvent(ed),n.dispatchEvent(nd)}}function F(t){!1!==n.enabled&&t.preventDefault()}function k(t){delete A[t.pointerId];for(let e=0;e<T.length;e++)if(T[e].pointerId==t.pointerId)return void T.splice(e,1)}function z(t){let e=A[t.pointerId];void 0===e&&(e=new Ct,A[t.pointerId]=e),e.set(t.pageX,t.pageY)}this.rotateCamera=function(){const t=new ne,e=new ee,i=new ne,r=new ne,a=new ne,o=new ne;return function(){o.set(x.x-y.x,x.y-y.y,0);let s=o.length();s?(_.copy(n.object.position).sub(n.target),i.copy(_).normalize(),r.copy(n.object.up).normalize(),a.crossVectors(r,i).normalize(),r.setLength(x.y-y.y),a.setLength(x.x-y.x),o.copy(r.add(a)),t.crossVectors(o,_).normalize(),s*=n.rotateSpeed,e.setFromAxisAngle(t,s),_.applyQuaternion(e),n.object.up.applyQuaternion(e),b.copy(t),v=s):!n.staticMoving&&v&&(v*=Math.sqrt(1-n.dynamicDampingFactor),_.copy(n.object.position).sub(n.target),e.setFromAxisAngle(b,v),_.applyQuaternion(e),n.object.up.applyQuaternion(e)),y.copy(x)}}(),this.zoomCamera=function(){let t;p===c?(t=m/g,m=g,n.object.isPerspectiveCamera?_.multiplyScalar(t):n.object.isOrthographicCamera?(n.object.zoom=Rt.clamp(n.object.zoom/t,n.minZoom,n.maxZoom),d!==n.object.zoom&&n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")):(t=1+(S.y-M.y)*n.zoomSpeed,1!==t&&t>0&&(n.object.isPerspectiveCamera?_.multiplyScalar(t):n.object.isOrthographicCamera?(n.object.zoom=Rt.clamp(n.object.zoom/t,n.minZoom,n.maxZoom),d!==n.object.zoom&&n.object.updateProjectionMatrix()):console.warn("THREE.TrackballControls: Unsupported camera type")),n.staticMoving?M.copy(S):M.y+=(S.y-M.y)*this.dynamicDampingFactor)},this.panCamera=function(){const t=new Ct,e=new ne,i=new ne;return function(){if(t.copy(w).sub(E),t.lengthSq()){if(n.object.isOrthographicCamera){const e=(n.object.right-n.object.left)/n.object.zoom/n.domElement.clientWidth,i=(n.object.top-n.object.bottom)/n.object.zoom/n.domElement.clientWidth;t.x*=e,t.y*=i}t.multiplyScalar(_.length()*n.panSpeed),i.copy(_).cross(n.object.up).setLength(t.x),i.add(e.copy(n.object.up).setLength(t.y)),n.object.position.add(i),n.target.add(i),n.staticMoving?E.copy(w):E.add(t.subVectors(w,E).multiplyScalar(n.dynamicDampingFactor))}}}(),this.checkDistances=function(){n.noZoom&&n.noPan||(_.lengthSq()>n.maxDistance*n.maxDistance&&(n.object.position.addVectors(n.target,_.setLength(n.maxDistance)),M.copy(S)),_.lengthSq()<n.minDistance*n.minDistance&&(n.object.position.addVectors(n.target,_.setLength(n.minDistance)),M.copy(S)))},this.update=function(){_.subVectors(n.object.position,n.target),n.noRotate||n.rotateCamera(),n.noZoom||n.zoomCamera(),n.noPan||n.panCamera(),n.object.position.addVectors(n.target,_),n.object.isPerspectiveCamera?(n.checkDistances(),n.object.lookAt(n.target),h.distanceToSquared(n.object.position)>u&&(n.dispatchEvent(td),h.copy(n.object.position))):n.object.isOrthographicCamera?(n.object.lookAt(n.target),(h.distanceToSquared(n.object.position)>u||d!==n.object.zoom)&&(n.dispatchEvent(td),h.copy(n.object.position),d=n.object.zoom)):console.warn("THREE.TrackballControls: Unsupported camera type")},this.reset=function(){p=i,f=i,n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.up.copy(n.up0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),_.subVectors(n.object.position,n.target),n.object.lookAt(n.target),n.dispatchEvent(td),h.copy(n.object.position),d=n.object.zoom},this.dispose=function(){n.domElement.removeEventListener("contextmenu",F),n.domElement.removeEventListener("pointerdown",P),n.domElement.removeEventListener("pointercancel",D),n.domElement.removeEventListener("wheel",U),n.domElement.removeEventListener("pointermove",L),n.domElement.removeEventListener("pointerup",O),window.removeEventListener("keydown",N),window.removeEventListener("keyup",I)},this.domElement.addEventListener("contextmenu",F),this.domElement.addEventListener("pointerdown",P),this.domElement.addEventListener("pointercancel",D),this.domElement.addEventListener("wheel",U,{passive:!1}),window.addEventListener("keydown",N),window.addEventListener("keyup",I),this.handleResize(),this.update()}}const rd={type:"change"},ad={type:"start"},od={type:"end"},sd=new Le,ld=new Ei,cd=Math.cos(70*Rt.DEG2RAD);class ud extends mt{constructor(t,e){super(),this.object=t,this.domElement=e,this.domElement.style.touchAction="none",this.enabled=!0,this.target=new ne,this.cursor=new ne,this.minDistance=0,this.maxDistance=1/0,this.minZoom=0,this.maxZoom=1/0,this.minTargetRadius=0,this.maxTargetRadius=1/0,this.minPolarAngle=0,this.maxPolarAngle=Math.PI,this.minAzimuthAngle=-1/0,this.maxAzimuthAngle=1/0,this.enableDamping=!1,this.dampingFactor=.05,this.enableZoom=!0,this.zoomSpeed=1,this.enableRotate=!0,this.rotateSpeed=1,this.enablePan=!0,this.panSpeed=1,this.screenSpacePanning=!0,this.keyPanSpeed=7,this.zoomToCursor=!1,this.autoRotate=!1,this.autoRotateSpeed=2,this.keys={LEFT:"ArrowLeft",UP:"ArrowUp",RIGHT:"ArrowRight",BOTTOM:"ArrowDown"},this.mouseButtons={LEFT:s.ROTATE,MIDDLE:s.DOLLY,RIGHT:s.PAN},this.touches={ONE:l,TWO:u},this.target0=this.target.clone(),this.position0=this.object.position.clone(),this.zoom0=this.object.zoom,this._domElementKeyEvents=null,this.getPolarAngle=function(){return o.phi},this.getAzimuthalAngle=function(){return o.theta},this.getDistance=function(){return this.object.position.distanceTo(this.target)},this.listenToKeyEvents=function(t){t.addEventListener("keydown",tt),this._domElementKeyEvents=t},this.stopListenToKeyEvents=function(){this._domElementKeyEvents.removeEventListener("keydown",tt),this._domElementKeyEvents=null},this.saveState=function(){n.target0.copy(n.target),n.position0.copy(n.object.position),n.zoom0=n.object.zoom},this.reset=function(){n.target.copy(n.target0),n.object.position.copy(n.position0),n.object.zoom=n.zoom0,n.object.updateProjectionMatrix(),n.dispatchEvent(rd),n.update(),r=i.NONE},this.update=function(){const e=new ne,s=(new ee).setFromUnitVectors(t.up,new ne(0,1,0)),l=s.clone().invert(),c=new ne,u=new ee,h=new ne,m=2*Math.PI;return function(g=null){const v=n.object.position;e.copy(v).sub(n.target),e.applyQuaternion(s),o.setFromVector3(e),n.autoRotate&&r===i.NONE&&L(function(t){return null!==t?2*Math.PI/60*n.autoRotateSpeed*t:2*Math.PI/60/60*n.autoRotateSpeed}(g)),n.enableDamping?(o.theta+=d.theta*n.dampingFactor,o.phi+=d.phi*n.dampingFactor):(o.theta+=d.theta,o.phi+=d.phi);let _=n.minAzimuthAngle,y=n.maxAzimuthAngle;isFinite(_)&&isFinite(y)&&(_<-Math.PI?_+=m:_>Math.PI&&(_-=m),y<-Math.PI?y+=m:y>Math.PI&&(y-=m),o.theta=_<=y?Math.max(_,Math.min(y,o.theta)):o.theta>(_+y)/2?Math.max(_,o.theta):Math.min(y,o.theta)),o.phi=Math.max(n.minPolarAngle,Math.min(n.maxPolarAngle,o.phi)),o.makeSafe(),!0===n.enableDamping?n.target.addScaledVector(f,n.dampingFactor):n.target.add(f),n.target.sub(n.cursor),n.target.clampLength(n.minTargetRadius,n.maxTargetRadius),n.target.add(n.cursor);let x=!1;if(n.zoomToCursor&&T||n.object.isOrthographicCamera)o.radius=z(o.radius);else{const t=o.radius;o.radius=z(o.radius*p),x=t!=o.radius}if(e.setFromSpherical(o),e.applyQuaternion(l),v.copy(n.target).add(e),n.object.lookAt(n.target),!0===n.enableDamping?(d.theta*=1-n.dampingFactor,d.phi*=1-n.dampingFactor,f.multiplyScalar(1-n.dampingFactor)):(d.set(0,0,0),f.set(0,0,0)),n.zoomToCursor&&T){let i=null;if(n.object.isPerspectiveCamera){const t=e.length();i=z(t*p);const r=t-i;n.object.position.addScaledVector(E,r),n.object.updateMatrixWorld(),x=!!r}else if(n.object.isOrthographicCamera){const t=new ne(w.x,w.y,0);t.unproject(n.object);const r=n.object.zoom;n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom/p)),n.object.updateProjectionMatrix(),x=r!==n.object.zoom;const a=new ne(w.x,w.y,0);a.unproject(n.object),n.object.position.sub(a).add(t),n.object.updateMatrixWorld(),i=e.length()}else console.warn("WARNING: OrbitControls.js encountered an unknown camera type - zoom to cursor disabled."),n.zoomToCursor=!1;null!==i&&(this.screenSpacePanning?n.target.set(0,0,-1).transformDirection(n.object.matrix).multiplyScalar(i).add(n.object.position):(sd.origin.copy(n.object.position),sd.direction.set(0,0,-1).transformDirection(n.object.matrix),Math.abs(n.object.up.dot(sd.direction))<cd?t.lookAt(n.target):(ld.setFromNormalAndCoplanarPoint(n.object.up,n.target),sd.intersectPlane(ld,n.target))))}else if(n.object.isOrthographicCamera){const t=n.object.zoom;n.object.zoom=Math.max(n.minZoom,Math.min(n.maxZoom,n.object.zoom/p)),t!==n.object.zoom&&(n.object.updateProjectionMatrix(),x=!0)}return p=1,T=!1,!!(x||c.distanceToSquared(n.object.position)>a||8*(1-u.dot(n.object.quaternion))>a||h.distanceToSquared(n.target)>a)&&(n.dispatchEvent(rd),c.copy(n.object.position),u.copy(n.object.quaternion),h.copy(n.target),!0)}}(),this.dispose=function(){n.domElement.removeEventListener("contextmenu",nt),n.domElement.removeEventListener("pointerdown",Y),n.domElement.removeEventListener("pointercancel",K),n.domElement.removeEventListener("wheel",Z),n.domElement.removeEventListener("pointermove",$),n.domElement.removeEventListener("pointerup",K);n.domElement.getRootNode().removeEventListener("keydown",J,{capture:!0}),null!==n._domElementKeyEvents&&(n._domElementKeyEvents.removeEventListener("keydown",tt),n._domElementKeyEvents=null)};const n=this,i={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_PAN:4,TOUCH_DOLLY_PAN:5,TOUCH_DOLLY_ROTATE:6};let r=i.NONE;const a=1e-6,o=new rs,d=new rs;let p=1;const f=new ne,m=new Ct,g=new Ct,v=new Ct,_=new Ct,y=new Ct,x=new Ct,b=new Ct,M=new Ct,S=new Ct,E=new ne,w=new Ct;let T=!1;const A=[],R={};let C=!1;function P(t){const e=Math.abs(.01*t);return Math.pow(.95,n.zoomSpeed*e)}function L(t){d.theta-=t}function O(t){d.phi-=t}const D=function(){const t=new ne;return function(e,n){t.setFromMatrixColumn(n,0),t.multiplyScalar(-e),f.add(t)}}(),N=function(){const t=new ne;return function(e,i){!0===n.screenSpacePanning?t.setFromMatrixColumn(i,1):(t.setFromMatrixColumn(i,0),t.crossVectors(n.object.up,t)),t.multiplyScalar(e),f.add(t)}}(),I=function(){const t=new ne;return function(e,i){const r=n.domElement;if(n.object.isPerspectiveCamera){const a=n.object.position;t.copy(a).sub(n.target);let o=t.length();o*=Math.tan(n.object.fov/2*Math.PI/180),D(2*e*o/r.clientHeight,n.object.matrix),N(2*i*o/r.clientHeight,n.object.matrix)}else n.object.isOrthographicCamera?(D(e*(n.object.right-n.object.left)/n.object.zoom/r.clientWidth,n.object.matrix),N(i*(n.object.top-n.object.bottom)/n.object.zoom/r.clientHeight,n.object.matrix)):(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled."),n.enablePan=!1)}}();function U(t){n.object.isPerspectiveCamera||n.object.isOrthographicCamera?p/=t:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function F(t){n.object.isPerspectiveCamera||n.object.isOrthographicCamera?p*=t:(console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled."),n.enableZoom=!1)}function k(t,e){if(!n.zoomToCursor)return;T=!0;const i=n.domElement.getBoundingClientRect(),r=t-i.left,a=e-i.top,o=i.width,s=i.height;w.x=r/o*2-1,w.y=-a/s*2+1,E.set(w.x,w.y,1).unproject(n.object).sub(n.object.position).normalize()}function z(t){return Math.max(n.minDistance,Math.min(n.maxDistance,t))}function B(t){m.set(t.clientX,t.clientY)}function H(t){_.set(t.clientX,t.clientY)}function G(t){if(1===A.length)m.set(t.pageX,t.pageY);else{const e=rt(t),n=.5*(t.pageX+e.x),i=.5*(t.pageY+e.y);m.set(n,i)}}function V(t){if(1===A.length)_.set(t.pageX,t.pageY);else{const e=rt(t),n=.5*(t.pageX+e.x),i=.5*(t.pageY+e.y);_.set(n,i)}}function j(t){const e=rt(t),n=t.pageX-e.x,i=t.pageY-e.y,r=Math.sqrt(n*n+i*i);b.set(0,r)}function W(t){if(1==A.length)g.set(t.pageX,t.pageY);else{const e=rt(t),n=.5*(t.pageX+e.x),i=.5*(t.pageY+e.y);g.set(n,i)}v.subVectors(g,m).multiplyScalar(n.rotateSpeed);const e=n.domElement;L(2*Math.PI*v.x/e.clientHeight),O(2*Math.PI*v.y/e.clientHeight),m.copy(g)}function X(t){if(1===A.length)y.set(t.pageX,t.pageY);else{const e=rt(t),n=.5*(t.pageX+e.x),i=.5*(t.pageY+e.y);y.set(n,i)}x.subVectors(y,_).multiplyScalar(n.panSpeed),I(x.x,x.y),_.copy(y)}function q(t){const e=rt(t),i=t.pageX-e.x,r=t.pageY-e.y,a=Math.sqrt(i*i+r*r);M.set(0,a),S.set(0,Math.pow(M.y/b.y,n.zoomSpeed)),U(S.y),b.copy(M);k(.5*(t.pageX+e.x),.5*(t.pageY+e.y))}function Y(t){!1!==n.enabled&&(0===A.length&&(n.domElement.setPointerCapture(t.pointerId),n.domElement.addEventListener("pointermove",$),n.domElement.addEventListener("pointerup",K)),function(t){for(let e=0;e<A.length;e++)if(A[e]==t.pointerId)return!0;return!1}(t)||(function(t){A.push(t.pointerId)}(t),"touch"===t.pointerType?et(t):function(t){let e;switch(t.button){case 0:e=n.mouseButtons.LEFT;break;case 1:e=n.mouseButtons.MIDDLE;break;case 2:e=n.mouseButtons.RIGHT;break;default:e=-1}switch(e){case s.DOLLY:if(!1===n.enableZoom)return;!function(t){k(t.clientX,t.clientX),b.set(t.clientX,t.clientY)}(t),r=i.DOLLY;break;case s.ROTATE:if(t.ctrlKey||t.metaKey||t.shiftKey){if(!1===n.enablePan)return;H(t),r=i.PAN}else{if(!1===n.enableRotate)return;B(t),r=i.ROTATE}break;case s.PAN:if(t.ctrlKey||t.metaKey||t.shiftKey){if(!1===n.enableRotate)return;B(t),r=i.ROTATE}else{if(!1===n.enablePan)return;H(t),r=i.PAN}break;default:r=i.NONE}r!==i.NONE&&n.dispatchEvent(ad)}(t)))}function $(t){!1!==n.enabled&&("touch"===t.pointerType?function(t){switch(it(t),r){case i.TOUCH_ROTATE:if(!1===n.enableRotate)return;W(t),n.update();break;case i.TOUCH_PAN:if(!1===n.enablePan)return;X(t),n.update();break;case i.TOUCH_DOLLY_PAN:if(!1===n.enableZoom&&!1===n.enablePan)return;!function(t){n.enableZoom&&q(t),n.enablePan&&X(t)}(t),n.update();break;case i.TOUCH_DOLLY_ROTATE:if(!1===n.enableZoom&&!1===n.enableRotate)return;!function(t){n.enableZoom&&q(t),n.enableRotate&&W(t)}(t),n.update();break;default:r=i.NONE}}(t):function(t){switch(r){case i.ROTATE:if(!1===n.enableRotate)return;!function(t){g.set(t.clientX,t.clientY),v.subVectors(g,m).multiplyScalar(n.rotateSpeed);const e=n.domElement;L(2*Math.PI*v.x/e.clientHeight),O(2*Math.PI*v.y/e.clientHeight),m.copy(g),n.update()}(t);break;case i.DOLLY:if(!1===n.enableZoom)return;!function(t){M.set(t.clientX,t.clientY),S.subVectors(M,b),S.y>0?U(P(S.y)):S.y<0&&F(P(S.y)),b.copy(M),n.update()}(t);break;case i.PAN:if(!1===n.enablePan)return;!function(t){y.set(t.clientX,t.clientY),x.subVectors(y,_).multiplyScalar(n.panSpeed),I(x.x,x.y),_.copy(y),n.update()}(t)}}(t))}function K(t){switch(function(t){delete R[t.pointerId];for(let e=0;e<A.length;e++)if(A[e]==t.pointerId)return void A.splice(e,1)}(t),A.length){case 0:n.domElement.releasePointerCapture(t.pointerId),n.domElement.removeEventListener("pointermove",$),n.domElement.removeEventListener("pointerup",K),n.dispatchEvent(od),r=i.NONE;break;case 1:const e=A[0],a=R[e];et({pointerId:e,pageX:a.x,pageY:a.y})}}function Z(t){!1!==n.enabled&&!1!==n.enableZoom&&r===i.NONE&&(t.preventDefault(),n.dispatchEvent(ad),function(t){k(t.clientX,t.clientY),t.deltaY<0?F(P(t.deltaY)):t.deltaY>0&&U(P(t.deltaY)),n.update()}(function(t){const e=t.deltaMode,n={clientX:t.clientX,clientY:t.clientY,deltaY:t.deltaY};switch(e){case 1:n.deltaY*=16;break;case 2:n.deltaY*=100}t.ctrlKey&&!C&&(n.deltaY*=10);return n}(t)),n.dispatchEvent(od))}function J(t){if("Control"===t.key){C=!0;n.domElement.getRootNode().addEventListener("keyup",Q,{passive:!0,capture:!0})}}function Q(t){if("Control"===t.key){C=!1;n.domElement.getRootNode().removeEventListener("keyup",Q,{passive:!0,capture:!0})}}function tt(t){!1!==n.enabled&&!1!==n.enablePan&&function(t){let e=!1;switch(t.code){case n.keys.UP:t.ctrlKey||t.metaKey||t.shiftKey?O(2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):I(0,n.keyPanSpeed),e=!0;break;case n.keys.BOTTOM:t.ctrlKey||t.metaKey||t.shiftKey?O(-2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):I(0,-n.keyPanSpeed),e=!0;break;case n.keys.LEFT:t.ctrlKey||t.metaKey||t.shiftKey?L(2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):I(n.keyPanSpeed,0),e=!0;break;case n.keys.RIGHT:t.ctrlKey||t.metaKey||t.shiftKey?L(-2*Math.PI*n.rotateSpeed/n.domElement.clientHeight):I(-n.keyPanSpeed,0),e=!0}e&&(t.preventDefault(),n.update())}(t)}function et(t){switch(it(t),A.length){case 1:switch(n.touches.ONE){case l:if(!1===n.enableRotate)return;G(t),r=i.TOUCH_ROTATE;break;case c:if(!1===n.enablePan)return;V(t),r=i.TOUCH_PAN;break;default:r=i.NONE}break;case 2:switch(n.touches.TWO){case u:if(!1===n.enableZoom&&!1===n.enablePan)return;!function(t){n.enableZoom&&j(t),n.enablePan&&V(t)}(t),r=i.TOUCH_DOLLY_PAN;break;case h:if(!1===n.enableZoom&&!1===n.enableRotate)return;!function(t){n.enableZoom&&j(t),n.enableRotate&&G(t)}(t),r=i.TOUCH_DOLLY_ROTATE;break;default:r=i.NONE}break;default:r=i.NONE}r!==i.NONE&&n.dispatchEvent(ad)}function nt(t){!1!==n.enabled&&t.preventDefault()}function it(t){let e=R[t.pointerId];void 0===e&&(e=new Ct,R[t.pointerId]=e),e.set(t.pageX,t.pageY)}function rt(t){const e=t.pointerId===A[0]?A[1]:A[0];return R[e]}n.domElement.addEventListener("contextmenu",nt),n.domElement.addEventListener("pointerdown",Y),n.domElement.addEventListener("pointercancel",K),n.domElement.addEventListener("wheel",Z,{passive:!1});n.domElement.getRootNode().addEventListener("keydown",J,{passive:!0,capture:!0}),this.update()}}const hd={type:"change"};class dd extends mt{constructor(t,e){super(),this.object=t,this.domElement=e,this.enabled=!0,this.movementSpeed=1,this.rollSpeed=.005,this.dragToLook=!1,this.autoForward=!1;const n=this,i=1e-6,r=new ee,a=new ne;this.tmpQuaternion=new ee,this.status=0,this.moveState={up:0,down:0,left:0,right:0,forward:0,back:0,pitchUp:0,pitchDown:0,yawLeft:0,yawRight:0,rollLeft:0,rollRight:0},this.moveVector=new ne(0,0,0),this.rotationVector=new ne(0,0,0),this.keydown=function(t){if(!t.altKey&&!1!==this.enabled){switch(t.code){case"ShiftLeft":case"ShiftRight":this.movementSpeedMultiplier=.1;break;case"KeyW":this.moveState.forward=1;break;case"KeyS":this.moveState.back=1;break;case"KeyA":this.moveState.left=1;break;case"KeyD":this.moveState.right=1;break;case"KeyR":this.moveState.up=1;break;case"KeyF":this.moveState.down=1;break;case"ArrowUp":this.moveState.pitchUp=1;break;case"ArrowDown":this.moveState.pitchDown=1;break;case"ArrowLeft":this.moveState.yawLeft=1;break;case"ArrowRight":this.moveState.yawRight=1;break;case"KeyQ":this.moveState.rollLeft=1;break;case"KeyE":this.moveState.rollRight=1}this.updateMovementVector(),this.updateRotationVector()}},this.keyup=function(t){if(!1!==this.enabled){switch(t.code){case"ShiftLeft":case"ShiftRight":this.movementSpeedMultiplier=1;break;case"KeyW":this.moveState.forward=0;break;case"KeyS":this.moveState.back=0;break;case"KeyA":this.moveState.left=0;break;case"KeyD":this.moveState.right=0;break;case"KeyR":this.moveState.up=0;break;case"KeyF":this.moveState.down=0;break;case"ArrowUp":this.moveState.pitchUp=0;break;case"ArrowDown":this.moveState.pitchDown=0;break;case"ArrowLeft":this.moveState.yawLeft=0;break;case"ArrowRight":this.moveState.yawRight=0;break;case"KeyQ":this.moveState.rollLeft=0;break;case"KeyE":this.moveState.rollRight=0}this.updateMovementVector(),this.updateRotationVector()}},this.pointerdown=function(t){if(!1!==this.enabled)if(this.dragToLook)this.status++;else{switch(t.button){case 0:this.moveState.forward=1;break;case 2:this.moveState.back=1}this.updateMovementVector()}},this.pointermove=function(t){if(!1!==this.enabled&&(!this.dragToLook||this.status>0)){const e=this.getContainerDimensions(),n=e.size[0]/2,i=e.size[1]/2;this.moveState.yawLeft=-(t.pageX-e.offset[0]-n)/n,this.moveState.pitchDown=(t.pageY-e.offset[1]-i)/i,this.updateRotationVector()}},this.pointerup=function(t){if(!1!==this.enabled){if(this.dragToLook)this.status--,this.moveState.yawLeft=this.moveState.pitchDown=0;else{switch(t.button){case 0:this.moveState.forward=0;break;case 2:this.moveState.back=0}this.updateMovementVector()}this.updateRotationVector()}},this.pointercancel=function(){!1!==this.enabled&&(this.dragToLook?(this.status=0,this.moveState.yawLeft=this.moveState.pitchDown=0):(this.moveState.forward=0,this.moveState.back=0,this.updateMovementVector()),this.updateRotationVector())},this.contextMenu=function(t){!1!==this.enabled&&t.preventDefault()},this.update=function(t){if(!1===this.enabled)return;const e=t*n.movementSpeed,o=t*n.rollSpeed;n.object.translateX(n.moveVector.x*e),n.object.translateY(n.moveVector.y*e),n.object.translateZ(n.moveVector.z*e),n.tmpQuaternion.set(n.rotationVector.x*o,n.rotationVector.y*o,n.rotationVector.z*o,1).normalize(),n.object.quaternion.multiply(n.tmpQuaternion),(a.distanceToSquared(n.object.position)>i||8*(1-r.dot(n.object.quaternion))>i)&&(n.dispatchEvent(hd),r.copy(n.object.quaternion),a.copy(n.object.position))},this.updateMovementVector=function(){const t=this.moveState.forward||this.autoForward&&!this.moveState.back?1:0;this.moveVector.x=-this.moveState.left+this.moveState.right,this.moveVector.y=-this.moveState.down+this.moveState.up,this.moveVector.z=-t+this.moveState.back},this.updateRotationVector=function(){this.rotationVector.x=-this.moveState.pitchDown+this.moveState.pitchUp,this.rotationVector.y=-this.moveState.yawRight+this.moveState.yawLeft,this.rotationVector.z=-this.moveState.rollRight+this.moveState.rollLeft},this.getContainerDimensions=function(){return this.domElement!=document?{size:[this.domElement.offsetWidth,this.domElement.offsetHeight],offset:[this.domElement.offsetLeft,this.domElement.offsetTop]}:{size:[window.innerWidth,window.innerHeight],offset:[0,0]}},this.dispose=function(){this.domElement.removeEventListener("contextmenu",o),this.domElement.removeEventListener("pointerdown",l),this.domElement.removeEventListener("pointermove",s),this.domElement.removeEventListener("pointerup",c),this.domElement.removeEventListener("pointercancel",u),window.removeEventListener("keydown",h),window.removeEventListener("keyup",d)};const o=this.contextMenu.bind(this),s=this.pointermove.bind(this),l=this.pointerdown.bind(this),c=this.pointerup.bind(this),u=this.pointercancel.bind(this),h=this.keydown.bind(this),d=this.keyup.bind(this);this.domElement.addEventListener("contextmenu",o),this.domElement.addEventListener("pointerdown",l),this.domElement.addEventListener("pointermove",s),this.domElement.addEventListener("pointerup",c),this.domElement.addEventListener("pointercancel",u),window.addEventListener("keydown",h),window.addEventListener("keyup",d),this.updateMovementVector(),this.updateRotationVector()}}const pd={name:"CopyShader",uniforms:{tDiffuse:{value:null},opacity:{value:1}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform float opacity;\n\n\t\tuniform sampler2D tDiffuse;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 texel = texture2D( tDiffuse, vUv );\n\t\t\tgl_FragColor = opacity * texel;\n\n\n\t\t}"};class fd{constructor(){this.isPass=!0,this.enabled=!0,this.needsSwap=!0,this.clear=!1,this.renderToScreen=!1}setSize(){}render(){console.error("THREE.Pass: .render() must be implemented in derived pass.")}dispose(){}}const md=new Vi(-1,1,1,-1,0,1);const gd=new class extends Bn{constructor(){super(),this.setAttribute("position",new On([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new On([0,2,0,0,2,0],2))}};class vd{constructor(t){this._mesh=new ri(gd,t)}dispose(){this._mesh.geometry.dispose()}render(t){t.render(this._mesh,md)}get material(){return this._mesh.material}set material(t){this._mesh.material=t}}class _d extends fd{constructor(t,e){super(),this.textureID=void 0!==e?e:"tDiffuse",t instanceof hi?(this.uniforms=t.uniforms,this.material=t):t&&(this.uniforms=ui.clone(t.uniforms),this.material=new hi({name:void 0!==t.name?t.name:"unspecified",defines:Object.assign({},t.defines),uniforms:this.uniforms,vertexShader:t.vertexShader,fragmentShader:t.fragmentShader})),this.fsQuad=new vd(this.material)}render(t,e,n){this.uniforms[this.textureID]&&(this.uniforms[this.textureID].value=n.texture),this.fsQuad.material=this.material,this.renderToScreen?(t.setRenderTarget(null),this.fsQuad.render(t)):(t.setRenderTarget(e),this.clear&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),this.fsQuad.render(t))}dispose(){this.material.dispose(),this.fsQuad.dispose()}}class yd extends fd{constructor(t,e){super(),this.scene=t,this.camera=e,this.clear=!0,this.needsSwap=!1,this.inverse=!1}render(t,e,n){const i=t.getContext(),r=t.state;let a,o;r.buffers.color.setMask(!1),r.buffers.depth.setMask(!1),r.buffers.color.setLocked(!0),r.buffers.depth.setLocked(!0),this.inverse?(a=0,o=1):(a=1,o=0),r.buffers.stencil.setTest(!0),r.buffers.stencil.setOp(i.REPLACE,i.REPLACE,i.REPLACE),r.buffers.stencil.setFunc(i.ALWAYS,a,4294967295),r.buffers.stencil.setClear(o),r.buffers.stencil.setLocked(!0),t.setRenderTarget(n),this.clear&&t.clear(),t.render(this.scene,this.camera),t.setRenderTarget(e),this.clear&&t.clear(),t.render(this.scene,this.camera),r.buffers.color.setLocked(!1),r.buffers.depth.setLocked(!1),r.buffers.color.setMask(!0),r.buffers.depth.setMask(!0),r.buffers.stencil.setLocked(!1),r.buffers.stencil.setFunc(i.EQUAL,1,4294967295),r.buffers.stencil.setOp(i.KEEP,i.KEEP,i.KEEP),r.buffers.stencil.setLocked(!0)}}class xd extends fd{constructor(){super(),this.needsSwap=!1}render(t){t.state.buffers.stencil.setLocked(!1),t.state.buffers.stencil.setTest(!1)}}class bd{constructor(t,e){if(this.renderer=t,this._pixelRatio=t.getPixelRatio(),void 0===e){const n=t.getSize(new Ct);this._width=n.width,this._height=n.height,(e=new Jt(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:W})).texture.name="EffectComposer.rt1"}else this._width=e.width,this._height=e.height;this.renderTarget1=e,this.renderTarget2=e.clone(),this.renderTarget2.texture.name="EffectComposer.rt2",this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2,this.renderToScreen=!0,this.passes=[],this.copyPass=new _d(pd),this.copyPass.material.blending=0,this.clock=new Jo}swapBuffers(){const t=this.readBuffer;this.readBuffer=this.writeBuffer,this.writeBuffer=t}addPass(t){this.passes.push(t),t.setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}insertPass(t,e){this.passes.splice(e,0,t),t.setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}removePass(t){const e=this.passes.indexOf(t);-1!==e&&this.passes.splice(e,1)}isLastEnabledPass(t){for(let e=t+1;e<this.passes.length;e++)if(this.passes[e].enabled)return!1;return!0}render(t){void 0===t&&(t=this.clock.getDelta());const e=this.renderer.getRenderTarget();let n=!1;for(let e=0,i=this.passes.length;e<i;e++){const i=this.passes[e];if(!1!==i.enabled){if(i.renderToScreen=this.renderToScreen&&this.isLastEnabledPass(e),i.render(this.renderer,this.writeBuffer,this.readBuffer,t,n),i.needsSwap){if(n){const e=this.renderer.getContext(),n=this.renderer.state.buffers.stencil;n.setFunc(e.NOTEQUAL,1,4294967295),this.copyPass.render(this.renderer,this.writeBuffer,this.readBuffer,t),n.setFunc(e.EQUAL,1,4294967295)}this.swapBuffers()}void 0!==yd&&(i instanceof yd?n=!0:i instanceof xd&&(n=!1))}}this.renderer.setRenderTarget(e)}reset(t){if(void 0===t){const e=this.renderer.getSize(new Ct);this._pixelRatio=this.renderer.getPixelRatio(),this._width=e.width,this._height=e.height,(t=this.renderTarget1.clone()).setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}this.renderTarget1.dispose(),this.renderTarget2.dispose(),this.renderTarget1=t,this.renderTarget2=t.clone(),this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2}setSize(t,e){this._width=t,this._height=e;const n=this._width*this._pixelRatio,i=this._height*this._pixelRatio;this.renderTarget1.setSize(n,i),this.renderTarget2.setSize(n,i);for(let t=0;t<this.passes.length;t++)this.passes[t].setSize(n,i)}setPixelRatio(t){this._pixelRatio=t,this.setSize(this._width,this._height)}dispose(){this.renderTarget1.dispose(),this.renderTarget2.dispose(),this.copyPass.dispose()}}class Md extends fd{constructor(t,e,n=null,i=null,r=null){super(),this.scene=t,this.camera=e,this.overrideMaterial=n,this.clearColor=i,this.clearAlpha=r,this.clear=!0,this.clearDepth=!1,this.needsSwap=!1,this._oldClearColor=new Mn}render(t,e,n){const i=t.autoClear;let r,a;t.autoClear=!1,null!==this.overrideMaterial&&(a=this.scene.overrideMaterial,this.scene.overrideMaterial=this.overrideMaterial),null!==this.clearColor&&(t.getClearColor(this._oldClearColor),t.setClearColor(this.clearColor)),null!==this.clearAlpha&&(r=t.getClearAlpha(),t.setClearAlpha(this.clearAlpha)),1==this.clearDepth&&t.clearDepth(),t.setRenderTarget(this.renderToScreen?null:n),!0===this.clear&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),t.render(this.scene,this.camera),null!==this.clearColor&&t.setClearColor(this._oldClearColor),null!==this.clearAlpha&&t.setClearAlpha(r),null!==this.overrideMaterial&&(this.scene.overrideMaterial=a),t.autoClear=i}}function Sd(){return Sd=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var i in n)Object.prototype.hasOwnProperty.call(n,i)&&(t[i]=n[i])}return t},Sd.apply(this,arguments)}function Ed(t,e){return Ed=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},Ed(t,e)}function wd(t){return wd=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)},wd(t)}function Td(){try{var t=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){})))}catch(t){}return(Td=function(){return!!t})()}function Ad(t){var e="function"==typeof Map?new Map:void 0;return Ad=function(t){if(null===t||!function(t){try{return-1!==Function.toString.call(t).indexOf("[native code]")}catch(e){return"function"==typeof t}}(t))return t;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==e){if(e.has(t))return e.get(t);e.set(t,n)}function n(){return function(t,e,n){if(Td())return Reflect.construct.apply(null,arguments);var i=[null];i.push.apply(i,e);var r=new(t.bind.apply(t,i));return n&&Ed(r,n.prototype),r}(t,arguments,wd(this).constructor)}return n.prototype=Object.create(t.prototype,{constructor:{value:n,enumerable:!1,writable:!0,configurable:!0}}),Ed(n,t)},Ad(t)}var Rd={1:"Passed invalid arguments to hsl, please pass multiple numbers e.g. hsl(360, 0.75, 0.4) or an object e.g. rgb({ hue: 255, saturation: 0.4, lightness: 0.75 }).\n\n",2:"Passed invalid arguments to hsla, please pass multiple numbers e.g. hsla(360, 0.75, 0.4, 0.7) or an object e.g. rgb({ hue: 255, saturation: 0.4, lightness: 0.75, alpha: 0.7 }).\n\n",3:"Passed an incorrect argument to a color function, please pass a string representation of a color.\n\n",4:"Couldn't generate valid rgb string from %s, it returned %s.\n\n",5:"Couldn't parse the color string. Please provide the color as a string in hex, rgb, rgba, hsl or hsla notation.\n\n",6:"Passed invalid arguments to rgb, please pass multiple numbers e.g. rgb(255, 205, 100) or an object e.g. rgb({ red: 255, green: 205, blue: 100 }).\n\n",7:"Passed invalid arguments to rgba, please pass multiple numbers e.g. rgb(255, 205, 100, 0.75) or an object e.g. rgb({ red: 255, green: 205, blue: 100, alpha: 0.75 }).\n\n",8:"Passed invalid argument to toColorString, please pass a RgbColor, RgbaColor, HslColor or HslaColor object.\n\n",9:"Please provide a number of steps to the modularScale helper.\n\n",10:"Please pass a number or one of the predefined scales to the modularScale helper as the ratio.\n\n",11:'Invalid value passed as base to modularScale, expected number or em string but got "%s"\n\n',12:'Expected a string ending in "px" or a number passed as the first argument to %s(), got "%s" instead.\n\n',13:'Expected a string ending in "px" or a number passed as the second argument to %s(), got "%s" instead.\n\n',14:'Passed invalid pixel value ("%s") to %s(), please pass a value like "12px" or 12.\n\n',15:'Passed invalid base value ("%s") to %s(), please pass a value like "12px" or 12.\n\n',16:"You must provide a template to this method.\n\n",17:"You passed an unsupported selector state to this method.\n\n",18:"minScreen and maxScreen must be provided as stringified numbers with the same units.\n\n",19:"fromSize and toSize must be provided as stringified numbers with the same units.\n\n",20:"expects either an array of objects or a single object with the properties prop, fromSize, and toSize.\n\n",21:"expects the objects in the first argument array to have the properties `prop`, `fromSize`, and `toSize`.\n\n",22:"expects the first argument object to have the properties `prop`, `fromSize`, and `toSize`.\n\n",23:"fontFace expects a name of a font-family.\n\n",24:"fontFace expects either the path to the font file(s) or a name of a local copy.\n\n",25:"fontFace expects localFonts to be an array.\n\n",26:"fontFace expects fileFormats to be an array.\n\n",27:"radialGradient requries at least 2 color-stops to properly render.\n\n",28:"Please supply a filename to retinaImage() as the first argument.\n\n",29:"Passed invalid argument to triangle, please pass correct pointingDirection e.g. 'right'.\n\n",30:"Passed an invalid value to `height` or `width`. Please provide a pixel based unit.\n\n",31:"The animation shorthand only takes 8 arguments. See the specification for more information: http://mdn.io/animation\n\n",32:"To pass multiple animations please supply them in arrays, e.g. animation(['rotate', '2s'], ['move', '1s'])\nTo pass a single animation please supply them in simple values, e.g. animation('rotate', '2s')\n\n",33:"The animation shorthand arrays can only have 8 elements. See the specification for more information: http://mdn.io/animation\n\n",34:"borderRadius expects a radius value as a string or number as the second argument.\n\n",35:'borderRadius expects one of "top", "bottom", "left" or "right" as the first argument.\n\n',36:"Property must be a string value.\n\n",37:"Syntax Error at %s.\n\n",38:"Formula contains a function that needs parentheses at %s.\n\n",39:"Formula is missing closing parenthesis at %s.\n\n",40:"Formula has too many closing parentheses at %s.\n\n",41:"All values in a formula must have the same unit or be unitless.\n\n",42:"Please provide a number of steps to the modularScale helper.\n\n",43:"Please pass a number or one of the predefined scales to the modularScale helper as the ratio.\n\n",44:"Invalid value passed as base to modularScale, expected number or em/rem string but got %s.\n\n",45:"Passed invalid argument to hslToColorString, please pass a HslColor or HslaColor object.\n\n",46:"Passed invalid argument to rgbToColorString, please pass a RgbColor or RgbaColor object.\n\n",47:"minScreen and maxScreen must be provided as stringified numbers with the same units.\n\n",48:"fromSize and toSize must be provided as stringified numbers with the same units.\n\n",49:"Expects either an array of objects or a single object with the properties prop, fromSize, and toSize.\n\n",50:"Expects the objects in the first argument array to have the properties prop, fromSize, and toSize.\n\n",51:"Expects the first argument object to have the properties prop, fromSize, and toSize.\n\n",52:"fontFace expects either the path to the font file(s) or a name of a local copy.\n\n",53:"fontFace expects localFonts to be an array.\n\n",54:"fontFace expects fileFormats to be an array.\n\n",55:"fontFace expects a name of a font-family.\n\n",56:"linearGradient requries at least 2 color-stops to properly render.\n\n",57:"radialGradient requries at least 2 color-stops to properly render.\n\n",58:"Please supply a filename to retinaImage() as the first argument.\n\n",59:"Passed invalid argument to triangle, please pass correct pointingDirection e.g. 'right'.\n\n",60:"Passed an invalid value to `height` or `width`. Please provide a pixel based unit.\n\n",61:"Property must be a string value.\n\n",62:"borderRadius expects a radius value as a string or number as the second argument.\n\n",63:'borderRadius expects one of "top", "bottom", "left" or "right" as the first argument.\n\n',64:"The animation shorthand only takes 8 arguments. See the specification for more information: http://mdn.io/animation.\n\n",65:"To pass multiple animations please supply them in arrays, e.g. animation(['rotate', '2s'], ['move', '1s'])\\nTo pass a single animation please supply them in simple values, e.g. animation('rotate', '2s').\n\n",66:"The animation shorthand arrays can only have 8 elements. See the specification for more information: http://mdn.io/animation.\n\n",67:"You must provide a template to this method.\n\n",68:"You passed an unsupported selector state to this method.\n\n",69:'Expected a string ending in "px" or a number passed as the first argument to %s(), got %s instead.\n\n',70:'Expected a string ending in "px" or a number passed as the second argument to %s(), got %s instead.\n\n',71:'Passed invalid pixel value %s to %s(), please pass a value like "12px" or 12.\n\n',72:'Passed invalid base value %s to %s(), please pass a value like "12px" or 12.\n\n',73:"Please provide a valid CSS variable.\n\n",74:"CSS variable not found and no default was provided.\n\n",75:"important requires a valid style object, got a %s instead.\n\n",76:"fromSize and toSize must be provided as stringified numbers with the same units as minScreen and maxScreen.\n\n",77:'remToPx expects a value in "rem" but you provided it in "%s".\n\n',78:'base must be set in "px" or "%" but you set it in "%s".\n'};function Cd(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];var i,r=e[0],a=[];for(i=1;i<e.length;i+=1)a.push(e[i]);return a.forEach((function(t){r=r.replace(/%[a-z]/,t)})),r}var Pd=function(t){var e,n;function i(e){var n;if("production"===process.env.NODE_ENV)n=t.call(this,"An error occurred. 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e.render(t.scene,t.camera)})),t.enablePointerInteraction){var e=null;if(t.hoverDuringDrag||!t.isPointerDragging){var n=this.intersectingObjects(t.pointerPos.x,t.pointerPos.y).filter((function(e){return t.hoverFilter(e.object)})).sort((function(e,n){return t.hoverOrderComparator(e.object,n.object)})),i=n.length?n[0]:null;e=i?i.object:null,t.intersectionPoint=i?i.point:null}e!==t.hoverObj&&(t.onHover(e,t.hoverObj),t.toolTipElem.innerHTML=e&&gu(t.tooltipContent)(e)||"",t.hoverObj=e)}vp()}return this},getPointerPos:function(t){var e=t.pointerPos;return{x:e.x,y:e.y}},cameraPosition:function(t,e,n,i){var r=t.camera;if(e&&t.initialised){var a=e,o=n||{x:0,y:0,z:0};if(i){var s=Object.assign({},r.position),l=h();new mp(s).to(a,i).easing(cp.Quadratic.Out).onUpdate(c).start(),new mp(l).to(o,i/3).easing(cp.Quadratic.Out).onUpdate(u).start()}else c(a),u(o);return this}return Object.assign({},r.position,{lookAt:h()});function c(t){var e=t.x,n=t.y,i=t.z;void 0!==e&&(r.position.x=e),void 0!==n&&(r.position.y=n),void 0!==i&&(r.position.z=i)}function u(e){var n=new Sp.Vector3(e.x,e.y,e.z);t.controls.target?t.controls.target=n:r.lookAt(n)}function h(){return Object.assign(new Sp.Vector3(0,0,-1e3).applyQuaternion(r.quaternion).add(r.position))}},zoomToFit:function(t){for(var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:10,i=arguments.length,r=new Array(i>3?i-3:0),a=3;a<i;a++)r[a-3]=arguments[a];return this.fitToBbox(this.getBbox.apply(this,r),e,n)},fitToBbox:function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:10,r=t.camera;if(e){var a=new Sp.Vector3(0,0,0),o=2*Math.max.apply(Math,xp(Object.entries(e).map((function(t){var e=yp(t,2),n=e[0],i=e[1];return Math.max.apply(Math,xp(i.map((function(t){return Math.abs(a[n]-t)}))))})))),s=(1-2*i/t.height)*r.fov,l=o/Math.atan(s*Math.PI/180),c=l/r.aspect,u=Math.max(l,c);if(u>0){var h=a.clone().sub(r.position).normalize().multiplyScalar(-u);this.cameraPosition(h,a,n)}}return this},getBbox:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:function(){return!0},n=new Sp.Box3(new Sp.Vector3(0,0,0),new Sp.Vector3(0,0,0)),i=t.objects.filter(e);return i.length?(i.forEach((function(t){return n.expandByObject(t)})),Object.assign.apply(Object,xp(["x","y","z"].map((function(t){return e={},i=t,r=[n.min[t],n.max[t]],(i=_p(i))in e?Object.defineProperty(e,i,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[i]=r,e;var e,i,r}))))):null},getScreenCoords:function(t,e,n,i){var r=new Sp.Vector3(e,n,i);return r.project(this.camera()),{x:(r.x+1)*t.width/2,y:-(r.y-1)*t.height/2}},getSceneCoords:function(t,e,n){var i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,r=new Sp.Vector2(e/t.width*2-1,-n/t.height*2+1),a=new Sp.Raycaster;return a.setFromCamera(r,t.camera),Object.assign({},a.ray.at(i,new Sp.Vector3))},intersectingObjects:function(t,e,n){var i=new Sp.Vector2(e/t.width*2-1,-n/t.height*2+1),r=new Sp.Raycaster;return r.params.Line.threshold=t.lineHoverPrecision,r.setFromCamera(i,t.camera),r.intersectObjects(t.objects,!0)},renderer:function(t){return t.renderer},scene:function(t){return t.scene},camera:function(t){return t.camera},postProcessingComposer:function(t){return t.postProcessingComposer},controls:function(t){return t.controls},tbControls:function(t){return t.controls}},stateInit:function(){return{scene:new Sp.Scene,camera:new Sp.PerspectiveCamera,clock:new Sp.Clock}},init:function(t,e){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},i=n.controlType,r=void 0===i?"trackball":i,a=n.rendererConfig,o=void 0===a?{}:a,s=n.extraRenderers,l=void 0===s?[]:s,c=n.waitForLoadComplete,u=void 0===c||c;t.innerHTML="",t.appendChild(e.container=document.createElement("div")),e.container.className="scene-container",e.container.style.position="relative",e.container.appendChild(e.navInfo=document.createElement("div")),e.navInfo.className="scene-nav-info",e.navInfo.textContent={orbit:"Left-click: rotate, Mouse-wheel/middle-click: zoom, Right-click: pan",trackball:"Left-click: rotate, Mouse-wheel/middle-click: zoom, Right-click: pan",fly:"WASD: move, R|F: up | down, Q|E: roll, up|down: pitch, left|right: yaw"}[r]||"",e.navInfo.style.display=e.showNavInfo?null:"none",e.toolTipElem=document.createElement("div"),e.toolTipElem.classList.add("scene-tooltip"),e.container.appendChild(e.toolTipElem),e.pointerPos=new Sp.Vector2,e.pointerPos.x=-2,e.pointerPos.y=-2,["pointermove","pointerdown"].forEach((function(t){return e.container.addEventListener(t,(function(n){if("pointerdown"===t&&(e.isPointerPressed=!0),!e.isPointerDragging&&"pointermove"===n.type&&(n.pressure>0||e.isPointerPressed)&&("touch"!==n.pointerType||void 0===n.movementX||[n.movementX,n.movementY].some((function(t){return Math.abs(t)>1})))&&(e.isPointerDragging=!0),e.enablePointerInteraction){var i=(r=e.container,a=r.getBoundingClientRect(),o=window.pageXOffset||document.documentElement.scrollLeft,s=window.pageYOffset||document.documentElement.scrollTop,{top:a.top+s,left:a.left+o});e.pointerPos.x=n.pageX-i.left,e.pointerPos.y=n.pageY-i.top,e.toolTipElem.style.top="".concat(e.pointerPos.y,"px"),e.toolTipElem.style.left="".concat(e.pointerPos.x,"px"),e.toolTipElem.style.transform="translate(-".concat(e.pointerPos.x/e.width*100,"%, ").concat(e.height-e.pointerPos.y<100?"calc(-100% - 8px)":"21px",")")}var r,a,o,s}),{passive:!0})})),e.container.addEventListener("pointerup",(function(t){e.isPointerPressed=!1,e.isPointerDragging&&(e.isPointerDragging=!1,!e.clickAfterDrag)||requestAnimationFrame((function(){0===t.button&&e.onClick(e.hoverObj||null,t,e.intersectionPoint),2===t.button&&e.onRightClick&&e.onRightClick(e.hoverObj||null,t,e.intersectionPoint)}))}),{passive:!0,capture:!0}),e.container.addEventListener("contextmenu",(function(t){e.onRightClick&&t.preventDefault()})),e.renderer=new Sp.WebGLRenderer(Object.assign({antialias:!0,alpha:!0},o)),e.renderer.setPixelRatio(Math.min(2,window.devicePixelRatio)),e.container.appendChild(e.renderer.domElement),e.extraRenderers=l,e.extraRenderers.forEach((function(t){t.domElement.style.position="absolute",t.domElement.style.top="0px",t.domElement.style.pointerEvents="none",e.container.appendChild(t.domElement)})),e.postProcessingComposer=new bd(e.renderer),e.postProcessingComposer.addPass(new 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Sp.Mesh),e.skysphere.visible=!1,e.loadComplete=e.scene.visible=!u,window.scene=e.scene},update:function(t,e){if(t.width&&t.height&&(e.hasOwnProperty("width")||e.hasOwnProperty("height"))&&(t.container.style.width="".concat(t.width,"px"),t.container.style.height="".concat(t.height,"px"),[t.renderer,t.postProcessingComposer].concat(xp(t.extraRenderers)).forEach((function(e){return e.setSize(t.width,t.height)})),t.camera.aspect=t.width/t.height,t.camera.updateProjectionMatrix()),e.hasOwnProperty("skyRadius")&&t.skyRadius&&(t.controls.hasOwnProperty("maxDistance")&&e.skyRadius&&(t.controls.maxDistance=Math.min(t.controls.maxDistance,t.skyRadius)),t.camera.far=2.5*t.skyRadius,t.camera.updateProjectionMatrix(),t.skysphere.geometry=new Sp.SphereGeometry(t.skyRadius)),e.hasOwnProperty("backgroundColor")){var n=Vd(t.backgroundColor).alpha;void 0===n&&(n=1),t.renderer.setClearColor(new Sp.Color(lp(1,t.backgroundColor)),n)}function i(){t.loadComplete=t.scene.visible=!0}e.hasOwnProperty("backgroundImageUrl")&&(t.backgroundImageUrl?(new Sp.TextureLoader).load(t.backgroundImageUrl,(function(e){e.colorSpace=Sp.SRGBColorSpace,t.skysphere.material=new Sp.MeshBasicMaterial({map:e,side:Sp.BackSide}),t.skysphere.visible=!0,t.onBackgroundImageLoaded&&setTimeout(t.onBackgroundImageLoaded),!t.loadComplete&&i()})):(t.skysphere.visible=!1,t.skysphere.material.map=null,!t.loadComplete&&i())),e.hasOwnProperty("showNavInfo")&&(t.navInfo.style.display=t.showNavInfo?null:"none"),e.hasOwnProperty("lights")&&((e.lights||[]).forEach((function(e){return t.scene.remove(e)})),t.lights.forEach((function(e){return t.scene.add(e)}))),e.hasOwnProperty("objects")&&((e.objects||[]).forEach((function(e){return t.scene.remove(e)})),t.objects.forEach((function(e){return t.scene.add(e)})))}});function wp(t,e){var n=new e;return n._destructor&&n._destructor(),{linkProp:function(e){return{default:n[e](),onChange:function(n,i){i[t][e](n)},triggerUpdate:!1}},linkMethod:function(e){return function(n){for(var i=n[t],r=arguments.length,a=new Array(r>1?r-1:0),o=1;o<r;o++)a[o-1]=arguments[o];var s=i[e].apply(i,a);return s===i?this:s}}}}var Tp=window.THREE?window.THREE:{AmbientLight:class extends Xo{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}},DirectionalLight:class extends Xo{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(on.DEFAULT_UP),this.updateMatrix(),this.target=new on,this.shadow=new Zo}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}},Vector3:ne,REVISION:o},Ap=wp("forceGraph",Qh),Rp=Object.assign.apply(Object,r(["jsonUrl","graphData","numDimensions","dagMode","dagLevelDistance","dagNodeFilter","onDagError","nodeRelSize","nodeId","nodeVal","nodeResolution","nodeColor","nodeAutoColorBy","nodeOpacity","nodeVisibility","nodeThreeObject","nodeThreeObjectExtend","linkSource","linkTarget","linkVisibility","linkColor","linkAutoColorBy","linkOpacity","linkWidth","linkResolution","linkCurvature","linkCurveRotation","linkMaterial","linkThreeObject","linkThreeObjectExtend","linkPositionUpdate","linkDirectionalArrowLength","linkDirectionalArrowColor","linkDirectionalArrowRelPos","linkDirectionalArrowResolution","linkDirectionalParticles","linkDirectionalParticleSpeed","linkDirectionalParticleWidth","linkDirectionalParticleColor","linkDirectionalParticleResolution","forceEngine","d3AlphaDecay","d3VelocityDecay","d3AlphaMin","ngraphPhysics","warmupTicks","cooldownTicks","cooldownTime","onEngineTick","onEngineStop"].map((function(t){return i({},t,Ap.linkProp(t))})))),Cp=Object.assign.apply(Object,r(["refresh","getGraphBbox","d3Force","d3ReheatSimulation","emitParticle"].map((function(t){return i({},t,Ap.linkMethod(t))})))),Pp=wp("renderObjs",Ep),Lp=Object.assign.apply(Object,r(["width","height","backgroundColor","showNavInfo","enablePointerInteraction"].map((function(t){return i({},t,Pp.linkProp(t))})))),Op=Object.assign.apply(Object,r(["lights","cameraPosition","postProcessingComposer"].map((function(t){return i({},t,Pp.linkMethod(t))}))).concat([{graph2ScreenCoords:Pp.linkMethod("getScreenCoords"),screen2GraphCoords:Pp.linkMethod("getSceneCoords")}])),Dp=mu({props:e(e({nodeLabel:{default:"name",triggerUpdate:!1},linkLabel:{default:"name",triggerUpdate:!1},linkHoverPrecision:{default:1,onChange:function(t,e){return e.renderObjs.lineHoverPrecision(t)},triggerUpdate:!1},enableNavigationControls:{default:!0,onChange:function(t,e){var n=e.renderObjs.controls();n&&(n.enabled=t,t&&n.domElement&&n.domElement.dispatchEvent(new PointerEvent("pointerup")))},triggerUpdate:!1},enableNodeDrag:{default:!0,triggerUpdate:!1},onNodeDrag:{default:function(){},triggerUpdate:!1},onNodeDragEnd:{default:function(){},triggerUpdate:!1},onNodeClick:{triggerUpdate:!1},onNodeRightClick:{triggerUpdate:!1},onNodeHover:{triggerUpdate:!1},onLinkClick:{triggerUpdate:!1},onLinkRightClick:{triggerUpdate:!1},onLinkHover:{triggerUpdate:!1},onBackgroundClick:{triggerUpdate:!1},onBackgroundRightClick:{triggerUpdate:!1}},Rp),Lp),methods:e(e({zoomToFit:function(t,e,n){for(var i,r=arguments.length,a=new Array(r>3?r-3:0),o=3;o<r;o++)a[o-3]=arguments[o];return t.renderObjs.fitToBbox((i=t.forceGraph).getGraphBbox.apply(i,a),e,n),this},pauseAnimation:function(t){return null!==t.animationFrameRequestId&&(cancelAnimationFrame(t.animationFrameRequestId),t.animationFrameRequestId=null),this},resumeAnimation:function(t){return null===t.animationFrameRequestId&&this._animationCycle(),this},_animationCycle:function(t){t.enablePointerInteraction&&(this.renderer().domElement.style.cursor=null),t.forceGraph.tickFrame(),t.renderObjs.tick(),t.animationFrameRequestId=requestAnimationFrame(this._animationCycle)},scene:function(t){return t.renderObjs.scene()},camera:function(t){return t.renderObjs.camera()},renderer:function(t){return t.renderObjs.renderer()},controls:function(t){return t.renderObjs.controls()},tbControls:function(t){return t.renderObjs.tbControls()},_destructor:function(){this.pauseAnimation(),this.graphData({nodes:[],links:[]})}},Cp),Op),stateInit:function(t){var e=t.controlType,n=t.rendererConfig,i=t.extraRenderers,r=new Qh;return{forceGraph:r,renderObjs:Ep({controlType:e,rendererConfig:n,extraRenderers:i}).objects([r]).lights([new Tp.AmbientLight(13421772,Math.PI),new Tp.DirectionalLight(16777215,.6*Math.PI)])}},init:function(t,e){t.innerHTML="",t.appendChild(e.container=document.createElement("div")),e.container.style.position="relative";var n=document.createElement("div");e.container.appendChild(n),e.renderObjs(n);var i,r=e.renderObjs.camera(),a=e.renderObjs.renderer(),o=e.renderObjs.controls();o.enabled=!!e.enableNavigationControls,e.lastSetCameraZ=r.position.z,e.container.appendChild(i=document.createElement("div")),i.className="graph-info-msg",i.textContent="",e.forceGraph.onLoading((function(){i.textContent="Loading..."})).onFinishLoading((function(){i.textContent=""})).onUpdate((function(){e.graphData=e.forceGraph.graphData(),0===r.position.x&&0===r.position.y&&r.position.z===e.lastSetCameraZ&&e.graphData.nodes.length&&(r.lookAt(e.forceGraph.position),e.lastSetCameraZ=r.position.z=170*Math.cbrt(e.graphData.nodes.length))})).onFinishUpdate((function(){if(e._dragControls){var t=e.graphData.nodes.find((function(t){return t.__initialFixedPos&&!t.__disposeControlsAfterDrag}));t?t.__disposeControlsAfterDrag=!0:e._dragControls.dispose(),e._dragControls=void 0}if(e.enableNodeDrag&&e.enablePointerInteraction&&"d3"===e.forceEngine){var n=e._dragControls=new gs(e.graphData.nodes.map((function(t){return t.__threeObj})).filter((function(t){return t})),r,a.domElement);n.addEventListener("dragstart",(function(t){o.enabled=!1,t.object.__initialPos=t.object.position.clone(),t.object.__prevPos=t.object.position.clone();var e=Np(t.object).__data;!e.__initialFixedPos&&(e.__initialFixedPos={fx:e.fx,fy:e.fy,fz:e.fz}),!e.__initialPos&&(e.__initialPos={x:e.x,y:e.y,z:e.z}),["x","y","z"].forEach((function(t){return e["f".concat(t)]=e[t]})),a.domElement.classList.add("grabbable")})),n.addEventListener("drag",(function(t){var n=Np(t.object);if(!t.object.hasOwnProperty("__graphObjType")){var i=t.object.__initialPos,r=t.object.__prevPos,a=t.object.position;n.position.add(a.clone().sub(r)),r.copy(a),a.copy(i)}var o=n.__data,s=n.position,l={x:s.x-o.x,y:s.y-o.y,z:s.z-o.z};["x","y","z"].forEach((function(t){return o["f".concat(t)]=o[t]=s[t]})),e.forceGraph.d3AlphaTarget(.3).resetCountdown(),o.__dragged=!0,e.onNodeDrag(o,l)})),n.addEventListener("dragend",(function(t){delete t.object.__initialPos,delete t.object.__prevPos;var i=Np(t.object).__data;i.__disposeControlsAfterDrag&&(n.dispose(),delete i.__disposeControlsAfterDrag);var r=i.__initialFixedPos,s=i.__initialPos,l={x:s.x-i.x,y:s.y-i.y,z:s.z-i.z};r&&(["x","y","z"].forEach((function(t){var e="f".concat(t);void 0===r[e]&&delete i[e]})),delete i.__initialFixedPos,delete i.__initialPos,i.__dragged&&(delete i.__dragged,e.onNodeDragEnd(i,l))),e.forceGraph.d3AlphaTarget(0).resetCountdown(),e.enableNavigationControls&&(o.enabled=!0,o.domElement&&o.domElement.ownerDocument&&o.domElement.ownerDocument.dispatchEvent(new PointerEvent("pointerup",{pointerType:"touch"}))),a.domElement.classList.remove("grabbable")}))}})),Tp.REVISION<155&&(e.renderObjs.renderer().useLegacyLights=!1),e.renderObjs.hoverOrderComparator((function(t,e){var n=Np(t);if(!n)return 1;var i=Np(e);if(!i)return-1;var r=function(t){return"node"===t.__graphObjType};return r(i)-r(n)})).tooltipContent((function(t){var n=Np(t);return n&&gu(e["".concat(n.__graphObjType,"Label")])(n.__data)||""})).hoverDuringDrag(!1).onHover((function(t){var n=Np(t);if(n!==e.hoverObj){var i=e.hoverObj?e.hoverObj.__graphObjType:null,r=e.hoverObj?e.hoverObj.__data:null,o=n?n.__graphObjType:null,s=n?n.__data:null;if(i&&i!==o){var l=e["on".concat("node"===i?"Node":"Link","Hover")];l&&l(null,r)}if(o){var c=e["on".concat("node"===o?"Node":"Link","Hover")];c&&c(s,i===o?r:null)}a.domElement.classList[n&&e["on".concat("node"===o?"Node":"Link","Click")]||!n&&e.onBackgroundClick?"add":"remove"]("clickable"),e.hoverObj=n}})).clickAfterDrag(!1).onClick((function(t,n){var i=Np(t);if(i){var r=e["on".concat("node"===i.__graphObjType?"Node":"Link","Click")];r&&r(i.__data,n)}else e.onBackgroundClick&&e.onBackgroundClick(n)})).onRightClick((function(t,n){var i=Np(t);if(i){var r=e["on".concat("node"===i.__graphObjType?"Node":"Link","RightClick")];r&&r(i.__data,n)}else e.onBackgroundRightClick&&e.onBackgroundRightClick(n)})),this._animationCycle()}});function Np(t){for(var e=t;e&&!e.hasOwnProperty("__graphObjType");)e=e.parent;return e}return Dp}));