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n=Wt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Wt;}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=qt("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const r=n.getImageData(0,0,t.width,t.height),i=r.data;for(let t=0;t<i.length;t++)i[t]=255*jt(i[t]/255);return n.putImageData(r,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*jt(e[t]/255)):e[t]=jt(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 Qt=0;class Yt{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Qt++}),this.uuid=bt(),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:""},r=this.data;if(null!==r){let t;if(Array.isArray(r)){t=[];for(let e=0,n=r.length;e<n;e++)r[e].isDataTexture?t.push(Zt(r[e].image)):t.push(Zt(r[e]));}else t=Zt(r);n.url=t;}return e||(t.images[this.uuid]=n),n}}function Zt(t){return "undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Xt.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 Kt=0;class Jt extends gt{constructor(t=Jt.DEFAULT_IMAGE,e=Jt.DEFAULT_MAPPING,n=1001,r=1001,i=1006,a=1008,o=1023,s=1009,A=Jt.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Kt++}),this.uuid=bt(),this.name="",this.source=new Yt(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=r,this.magFilter=i,this.minFilter=a,this.anisotropy=A,this.format=o,this.internalFormat=null,this.type=s,this.offset=new Lt(0,0),this.repeat=new Lt(1,1),this.center=new Lt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Dt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,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 I:t.x=t.x<0?0:1;break;case q: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 I:t.y=t.y<0?0:1;break;case q: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);}}Jt.DEFAULT_IMAGE=null,Jt.DEFAULT_MAPPING=300,Jt.DEFAULT_ANISOTROPY=1;class $t{constructor(t=0,e=0,n=0,r=1){$t.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=r;}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,r){return this.x=t,this.y=e,this.z=n,this.w=r,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,r=this.z,i=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*e+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*e+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*e+a[7]*n+a[11]*r+a[15]*i,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,r,i;const a=.01,o=.1,s=t.elements,A=s[0],l=s[4],c=s[8],u=s[1],h=s[5],f=s[9],d=s[2],p=s[6],m=s[10];if(Math.abs(l-u)<a&&Math.abs(c-d)<a&&Math.abs(f-p)<a){if(Math.abs(l+u)<o&&Math.abs(c+d)<o&&Math.abs(f+p)<o&&Math.abs(A+h+m-3)<o)return this.set(1,0,0,0),this;e=Math.PI;const t=(A+1)/2,s=(h+1)/2,g=(m+1)/2,v=(l+u)/4,_=(c+d)/4,y=(f+p)/4;return t>s&&t>g?t<a?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(t),r=v/n,i=_/n):s>g?s<a?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=v/r,i=y/r):g<a?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(g),n=_/i,r=y/i),this.set(n,r,i,e),this}let g=Math.sqrt((p-f)*(p-f)+(c-d)*(c-d)+(u-l)*(u-l));return Math.abs(g)<.001&&(g=1),this.x=(p-f)/g,this.y=(c-d)/g,this.z=(u-l)/g,this.w=Math.acos((A+h+m-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 te extends gt{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new $t(0,0,t,e),this.scissorTest=!1,this.viewport=new $t(0,0,t,e);const r={width:t,height:e,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:B,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0,count:1},n);const i=new Jt(r,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);i.flipY=!1,i.generateMipmaps=n.generateMipmaps,i.internalFormat=n.internalFormat,this.textures=[];const a=n.count;for(let t=0;t<a;t++)this.textures[t]=i.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 r=0,i=this.textures.length;r<i;r++)this.textures[r].image.width=t,this.textures[r].image.height=e,this.textures[r].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 Yt(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 ee extends te{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0;}}class ne extends Jt{constructor(t=null,e=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:r},this.magFilter=U,this.minFilter=U,this.wrapR=I,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1;}}class re extends Jt{constructor(t=null,e=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:r},this.magFilter=U,this.minFilter=U,this.wrapR=I,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1;}}class ie{constructor(t=0,e=0,n=0,r=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=r;}static slerpFlat(t,e,n,r,i,a,o){let s=n[r+0],A=n[r+1],l=n[r+2],c=n[r+3];const u=i[a+0],h=i[a+1],f=i[a+2],d=i[a+3];if(0===o)return t[e+0]=s,t[e+1]=A,t[e+2]=l,void(t[e+3]=c);if(1===o)return t[e+0]=u,t[e+1]=h,t[e+2]=f,void(t[e+3]=d);if(c!==d||s!==u||A!==h||l!==f){let t=1-o;const e=s*u+A*h+l*f+c*d,n=e>=0?1:-1,r=1-e*e;if(r>Number.EPSILON){const i=Math.sqrt(r),a=Math.atan2(i,e*n);t=Math.sin(t*a)/i,o=Math.sin(o*a)/i;}const i=o*n;if(s=s*t+u*i,A=A*t+h*i,l=l*t+f*i,c=c*t+d*i,t===1-o){const t=1/Math.sqrt(s*s+A*A+l*l+c*c);s*=t,A*=t,l*=t,c*=t;}}t[e]=s,t[e+1]=A,t[e+2]=l,t[e+3]=c;}static multiplyQuaternionsFlat(t,e,n,r,i,a){const o=n[r],s=n[r+1],A=n[r+2],l=n[r+3],c=i[a],u=i[a+1],h=i[a+2],f=i[a+3];return t[e]=o*f+l*c+s*h-A*u,t[e+1]=s*f+l*u+A*c-o*h,t[e+2]=A*f+l*h+o*u-s*c,t[e+3]=l*f-o*c-s*u-A*h,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,r){return this._x=t,this._y=e,this._z=n,this._w=r,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,r=t._y,i=t._z,a=t._order,o=Math.cos,s=Math.sin,A=o(n/2),l=o(r/2),c=o(i/2),u=s(n/2),h=s(r/2),f=s(i/2);switch(a){case"XYZ":this._x=u*l*c+A*h*f,this._y=A*h*c-u*l*f,this._z=A*l*f+u*h*c,this._w=A*l*c-u*h*f;break;case"YXZ":this._x=u*l*c+A*h*f,this._y=A*h*c-u*l*f,this._z=A*l*f-u*h*c,this._w=A*l*c+u*h*f;break;case"ZXY":this._x=u*l*c-A*h*f,this._y=A*h*c+u*l*f,this._z=A*l*f+u*h*c,this._w=A*l*c-u*h*f;break;case"ZYX":this._x=u*l*c-A*h*f,this._y=A*h*c+u*l*f,this._z=A*l*f-u*h*c,this._w=A*l*c+u*h*f;break;case"YZX":this._x=u*l*c+A*h*f,this._y=A*h*c+u*l*f,this._z=A*l*f-u*h*c,this._w=A*l*c-u*h*f;break;case"XZY":this._x=u*l*c-A*h*f,this._y=A*h*c-u*l*f,this._z=A*l*f+u*h*c,this._w=A*l*c+u*h*f;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,r=Math.sin(n);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],r=e[4],i=e[8],a=e[1],o=e[5],s=e[9],A=e[2],l=e[6],c=e[10],u=n+o+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-s)*t,this._y=(i-A)*t,this._z=(a-r)*t;}else if(n>o&&n>c){const t=2*Math.sqrt(1+n-o-c);this._w=(l-s)/t,this._x=.25*t,this._y=(r+a)/t,this._z=(i+A)/t;}else if(o>c){const t=2*Math.sqrt(1+o-n-c);this._w=(i-A)/t,this._x=(r+a)/t,this._y=.25*t,this._z=(s+l)/t;}else {const t=2*Math.sqrt(1+c-n-o);this._w=(a-r)/t,this._x=(i+A)/t,this._y=(s+l)/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(Mt(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const r=Math.min(1,e/n);return this.slerp(t,r),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,r=t._y,i=t._z,a=t._w,o=e._x,s=e._y,A=e._z,l=e._w;return this._x=n*l+a*o+r*A-i*s,this._y=r*l+a*s+i*o-n*A,this._z=i*l+a*A+n*s-r*o,this._w=a*l-n*o-r*s-i*A,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,r=this._y,i=this._z,a=this._w;let o=a*t._w+n*t._x+r*t._y+i*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=r,this._z=i,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*r+e*this._y,this._z=t*i+e*this._z,this.normalize(),this}const A=Math.sqrt(s),l=Math.atan2(A,o),c=Math.sin((1-e)*l)/A,u=Math.sin(e*l)/A;return this._w=a*c+this._w*u,this._x=n*c+this._x*u,this._y=r*c+this._y*u,this._z=i*c+this._z*u,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(),r=Math.sqrt(1-n),i=Math.sqrt(n);return this.set(r*Math.sin(t),r*Math.cos(t),i*Math.sin(e),i*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 ae{constructor(t=0,e=0,n=0){ae.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(se.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(se.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,r=this.z,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6]*r,this.y=i[1]*e+i[4]*n+i[7]*r,this.z=i[2]*e+i[5]*n+i[8]*r,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,r=this.z,i=t.elements,a=1/(i[3]*e+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*e+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*e+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*e+i[6]*n+i[10]*r+i[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,r=this.z,i=t.x,a=t.y,o=t.z,s=t.w,A=2*(a*r-o*n),l=2*(o*e-i*r),c=2*(i*n-a*e);return this.x=e+s*A+a*c-o*l,this.y=n+s*l+o*A-i*c,this.z=r+s*c+i*l-a*A,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,r=this.z,i=t.elements;return this.x=i[0]*e+i[4]*n+i[8]*r,this.y=i[1]*e+i[5]*n+i[9]*r,this.z=i[2]*e+i[6]*n+i[10]*r,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,r=t.y,i=t.z,a=e.x,o=e.y,s=e.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*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 oe.copy(this).projectOnVector(t),this.sub(oe)}reflect(t){return this.sub(oe.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(Mt(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,r=this.z-t.z;return e*e+n*n+r*r}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 r=Math.sin(e)*t;return this.x=r*Math.sin(n),this.y=Math.cos(e)*t,this.z=r*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(),r=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=r,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 oe=new ae,se=new ie;class Ae{constructor(t=new ae(1/0,1/0,1/0),e=new ae(-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(ce.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(ce.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=ce.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 r=n.getAttribute("position");if(!0===e&&void 0!==r&&!0!==t.isInstancedMesh)for(let e=0,n=r.count;e<n;e++)!0===t.isMesh?t.getVertexPosition(e,ce):ce.fromBufferAttribute(r,e),ce.applyMatrix4(t.matrixWorld),this.expandByPoint(ce);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),ue.copy(t.boundingBox)):(null===n.boundingBox&&n.computeBoundingBox(),ue.copy(n.boundingBox)),ue.applyMatrix4(t.matrixWorld),this.union(ue);}const r=t.children;for(let t=0,n=r.length;t<n;t++)this.expandByObject(r[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,ce),ce.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(ve),_e.subVectors(this.max,ve),he.subVectors(t.a,ve),fe.subVectors(t.b,ve),de.subVectors(t.c,ve),pe.subVectors(fe,he),me.subVectors(de,fe),ge.subVectors(he,de);let e=[0,-pe.z,pe.y,0,-me.z,me.y,0,-ge.z,ge.y,pe.z,0,-pe.x,me.z,0,-me.x,ge.z,0,-ge.x,-pe.y,pe.x,0,-me.y,me.x,0,-ge.y,ge.x,0];return !!be(e,he,fe,de,_e)&&(e=[1,0,0,0,1,0,0,0,1],!!be(e,he,fe,de,_e)&&(ye.crossVectors(pe,me),e=[ye.x,ye.y,ye.z],be(e,he,fe,de,_e)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ce).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(ce).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()||(le[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),le[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),le[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),le[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),le[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),le[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),le[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),le[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(le)),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 le=[new ae,new ae,new ae,new ae,new ae,new ae,new ae,new ae],ce=new ae,ue=new Ae,he=new ae,fe=new ae,de=new ae,pe=new ae,me=new ae,ge=new ae,ve=new ae,_e=new ae,ye=new ae,xe=new ae;function be(t,e,n,r,i){for(let a=0,o=t.length-3;a<=o;a+=3){xe.fromArray(t,a);const o=i.x*Math.abs(xe.x)+i.y*Math.abs(xe.y)+i.z*Math.abs(xe.z),s=e.dot(xe),A=n.dot(xe),l=r.dot(xe);if(Math.max(-Math.max(s,A,l),Math.min(s,A,l))>o)return !1}return !0}const Me=new Ae,we=new ae,Ee=new ae;class Se{constructor(t=new ae,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):Me.setFromPoints(t).getCenter(n);let r=0;for(let e=0,i=t.length;e<i;e++)r=Math.max(r,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(r),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;we.subVectors(t,this.center);const e=we.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(we,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):(Ee.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(we.copy(t.center).add(Ee)),this.expandByPoint(we.copy(t.center).sub(Ee))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return (new this.constructor).copy(this)}}const Te=new ae,Ce=new ae,Re=new ae,Pe=new ae,Le=new ae,De=new ae,Oe=new ae;class Ie{constructor(t=new ae,e=new ae(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,Te)),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=Te.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Te.copy(this.origin).addScaledVector(this.direction,e),Te.distanceToSquared(t))}distanceSqToSegment(t,e,n,r){Ce.copy(t).add(e).multiplyScalar(.5),Re.copy(e).sub(t).normalize(),Pe.copy(this.origin).sub(Ce);const i=.5*t.distanceTo(e),a=-this.direction.dot(Re),o=Pe.dot(this.direction),s=-Pe.dot(Re),A=Pe.lengthSq(),l=Math.abs(1-a*a);let c,u,h,f;if(l>0)if(c=a*s-o,u=a*o-s,f=i*l,c>=0)if(u>=-f)if(u<=f){const t=1/l;c*=t,u*=t,h=c*(c+a*u+2*o)+u*(a*c+u+2*s)+A;}else u=i,c=Math.max(0,-(a*u+o)),h=-c*c+u*(u+2*s)+A;else u=-i,c=Math.max(0,-(a*u+o)),h=-c*c+u*(u+2*s)+A;else u<=-f?(c=Math.max(0,-(-a*i+o)),u=c>0?-i:Math.min(Math.max(-i,-s),i),h=-c*c+u*(u+2*s)+A):u<=f?(c=0,u=Math.min(Math.max(-i,-s),i),h=u*(u+2*s)+A):(c=Math.max(0,-(a*i+o)),u=c>0?i:Math.min(Math.max(-i,-s),i),h=-c*c+u*(u+2*s)+A);else u=a>0?-i:i,c=Math.max(0,-(a*u+o)),h=-c*c+u*(u+2*s)+A;return n&&n.copy(this.origin).addScaledVector(this.direction,c),r&&r.copy(Ce).addScaledVector(Re,u),h}intersectSphere(t,e){Te.subVectors(t.center,this.origin);const n=Te.dot(this.direction),r=Te.dot(Te)-n*n,i=t.radius*t.radius;if(r>i)return null;const a=Math.sqrt(i-r),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,r,i,a,o,s;const A=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return A>=0?(n=(t.min.x-u.x)*A,r=(t.max.x-u.x)*A):(n=(t.max.x-u.x)*A,r=(t.min.x-u.x)*A),l>=0?(i=(t.min.y-u.y)*l,a=(t.max.y-u.y)*l):(i=(t.max.y-u.y)*l,a=(t.min.y-u.y)*l),n>a||i>r?null:((i>n||isNaN(n))&&(n=i),(a<r||isNaN(r))&&(r=a),c>=0?(o=(t.min.z-u.z)*c,s=(t.max.z-u.z)*c):(o=(t.max.z-u.z)*c,s=(t.min.z-u.z)*c),n>s||o>r?null:((o>n||n!=n)&&(n=o),(s<r||r!=r)&&(r=s),r<0?null:this.at(n>=0?n:r,e)))}intersectsBox(t){return null!==this.intersectBox(t,Te)}intersectTriangle(t,e,n,r,i){Le.subVectors(e,t),De.subVectors(n,t),Oe.crossVectors(Le,De);let a,o=this.direction.dot(Oe);if(o>0){if(r)return null;a=1;}else {if(!(o<0))return null;a=-1,o=-o;}Pe.subVectors(this.origin,t);const s=a*this.direction.dot(De.crossVectors(Pe,De));if(s<0)return null;const A=a*this.direction.dot(Le.cross(Pe));if(A<0)return null;if(s+A>o)return null;const l=-a*Pe.dot(Oe);return l<0?null:this.at(l/o,i)}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 qe{constructor(t,e,n,r,i,a,o,s,A,l,c,u,h,f,d,p){qe.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,r,i,a,o,s,A,l,c,u,h,f,d,p);}set(t,e,n,r,i,a,o,s,A,l,c,u,h,f,d,p){const m=this.elements;return m[0]=t,m[4]=e,m[8]=n,m[12]=r,m[1]=i,m[5]=a,m[9]=o,m[13]=s,m[2]=A,m[6]=l,m[10]=c,m[14]=u,m[3]=h,m[7]=f,m[11]=d,m[15]=p,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 qe).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,r=1/Ue.setFromMatrixColumn(t,0).length(),i=1/Ue.setFromMatrixColumn(t,1).length(),a=1/Ue.setFromMatrixColumn(t,2).length();return e[0]=n[0]*r,e[1]=n[1]*r,e[2]=n[2]*r,e[3]=0,e[4]=n[4]*i,e[5]=n[5]*i,e[6]=n[6]*i,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,r=t.y,i=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),A=Math.sin(r),l=Math.cos(i),c=Math.sin(i);if("XYZ"===t.order){const t=a*l,n=a*c,r=o*l,i=o*c;e[0]=s*l,e[4]=-s*c,e[8]=A,e[1]=n+r*A,e[5]=t-i*A,e[9]=-o*s,e[2]=i-t*A,e[6]=r+n*A,e[10]=a*s;}else if("YXZ"===t.order){const t=s*l,n=s*c,r=A*l,i=A*c;e[0]=t+i*o,e[4]=r*o-n,e[8]=a*A,e[1]=a*c,e[5]=a*l,e[9]=-o,e[2]=n*o-r,e[6]=i+t*o,e[10]=a*s;}else if("ZXY"===t.order){const t=s*l,n=s*c,r=A*l,i=A*c;e[0]=t-i*o,e[4]=-a*c,e[8]=r+n*o,e[1]=n+r*o,e[5]=a*l,e[9]=i-t*o,e[2]=-a*A,e[6]=o,e[10]=a*s;}else if("ZYX"===t.order){const t=a*l,n=a*c,r=o*l,i=o*c;e[0]=s*l,e[4]=r*A-n,e[8]=t*A+i,e[1]=s*c,e[5]=i*A+t,e[9]=n*A-r,e[2]=-A,e[6]=o*s,e[10]=a*s;}else if("YZX"===t.order){const t=a*s,n=a*A,r=o*s,i=o*A;e[0]=s*l,e[4]=i-t*c,e[8]=r*c+n,e[1]=c,e[5]=a*l,e[9]=-o*l,e[2]=-A*l,e[6]=n*c+r,e[10]=t-i*c;}else if("XZY"===t.order){const t=a*s,n=a*A,r=o*s,i=o*A;e[0]=s*l,e[4]=-c,e[8]=A*l,e[1]=t*c+i,e[5]=a*l,e[9]=n*c-r,e[2]=r*c-n,e[6]=o*l,e[10]=i*c+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(Be,t,ke)}lookAt(t,e,n){const r=this.elements;return Ge.subVectors(t,e),0===Ge.lengthSq()&&(Ge.z=1),Ge.normalize(),Fe.crossVectors(n,Ge),0===Fe.lengthSq()&&(1===Math.abs(n.z)?Ge.x+=1e-4:Ge.z+=1e-4,Ge.normalize(),Fe.crossVectors(n,Ge)),Fe.normalize(),ze.crossVectors(Ge,Fe),r[0]=Fe.x,r[4]=ze.x,r[8]=Ge.x,r[1]=Fe.y,r[5]=ze.y,r[9]=Ge.y,r[2]=Fe.z,r[6]=ze.z,r[10]=Ge.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[4],s=n[8],A=n[12],l=n[1],c=n[5],u=n[9],h=n[13],f=n[2],d=n[6],p=n[10],m=n[14],g=n[3],v=n[7],_=n[11],y=n[15],x=r[0],b=r[4],M=r[8],w=r[12],E=r[1],S=r[5],T=r[9],C=r[13],R=r[2],P=r[6],L=r[10],D=r[14],O=r[3],I=r[7],q=r[11],U=r[15];return i[0]=a*x+o*E+s*R+A*O,i[4]=a*b+o*S+s*P+A*I,i[8]=a*M+o*T+s*L+A*q,i[12]=a*w+o*C+s*D+A*U,i[1]=l*x+c*E+u*R+h*O,i[5]=l*b+c*S+u*P+h*I,i[9]=l*M+c*T+u*L+h*q,i[13]=l*w+c*C+u*D+h*U,i[2]=f*x+d*E+p*R+m*O,i[6]=f*b+d*S+p*P+m*I,i[10]=f*M+d*T+p*L+m*q,i[14]=f*w+d*C+p*D+m*U,i[3]=g*x+v*E+_*R+y*O,i[7]=g*b+v*S+_*P+y*I,i[11]=g*M+v*T+_*L+y*q,i[15]=g*w+v*C+_*D+y*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],r=t[8],i=t[12],a=t[1],o=t[5],s=t[9],A=t[13],l=t[2],c=t[6],u=t[10],h=t[14];return t[3]*(+i*s*c-r*A*c-i*o*u+n*A*u+r*o*h-n*s*h)+t[7]*(+e*s*h-e*A*u+i*a*u-r*a*h+r*A*l-i*s*l)+t[11]*(+e*A*c-e*o*h-i*a*c+n*a*h+i*o*l-n*A*l)+t[15]*(-r*o*l-e*s*c+e*o*u+r*a*c-n*a*u+n*s*l)}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 r=this.elements;return t.isVector3?(r[12]=t.x,r[13]=t.y,r[14]=t.z):(r[12]=t,r[13]=e,r[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],r=t[2],i=t[3],a=t[4],o=t[5],s=t[6],A=t[7],l=t[8],c=t[9],u=t[10],h=t[11],f=t[12],d=t[13],p=t[14],m=t[15],g=c*p*A-d*u*A+d*s*h-o*p*h-c*s*m+o*u*m,v=f*u*A-l*p*A-f*s*h+a*p*h+l*s*m-a*u*m,_=l*d*A-f*c*A+f*o*h-a*d*h-l*o*m+a*c*m,y=f*c*s-l*d*s-f*o*u+a*d*u+l*o*p-a*c*p,x=e*g+n*v+r*_+i*y;if(0===x)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const b=1/x;return t[0]=g*b,t[1]=(d*u*i-c*p*i-d*r*h+n*p*h+c*r*m-n*u*m)*b,t[2]=(o*p*i-d*s*i+d*r*A-n*p*A-o*r*m+n*s*m)*b,t[3]=(c*s*i-o*u*i-c*r*A+n*u*A+o*r*h-n*s*h)*b,t[4]=v*b,t[5]=(l*p*i-f*u*i+f*r*h-e*p*h-l*r*m+e*u*m)*b,t[6]=(f*s*i-a*p*i-f*r*A+e*p*A+a*r*m-e*s*m)*b,t[7]=(a*u*i-l*s*i+l*r*A-e*u*A-a*r*h+e*s*h)*b,t[8]=_*b,t[9]=(f*c*i-l*d*i-f*n*h+e*d*h+l*n*m-e*c*m)*b,t[10]=(a*d*i-f*o*i+f*n*A-e*d*A-a*n*m+e*o*m)*b,t[11]=(l*o*i-a*c*i-l*n*A+e*c*A+a*n*h-e*o*h)*b,t[12]=y*b,t[13]=(l*d*r-f*c*r+f*n*u-e*d*u-l*n*p+e*c*p)*b,t[14]=(f*o*r-a*d*r-f*n*s+e*d*s+a*n*p-e*o*p)*b,t[15]=(a*c*r-l*o*r+l*n*s-e*c*s-a*n*u+e*o*u)*b,this}scale(t){const e=this.elements,n=t.x,r=t.y,i=t.z;return e[0]*=n,e[4]*=r,e[8]*=i,e[1]*=n,e[5]*=r,e[9]*=i,e[2]*=n,e[6]*=r,e[10]*=i,e[3]*=n,e[7]*=r,e[11]*=i,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],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,r))}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),r=Math.sin(e),i=1-n,a=t.x,o=t.y,s=t.z,A=i*a,l=i*o;return this.set(A*a+n,A*o-r*s,A*s+r*o,0,A*o+r*s,l*o+n,l*s-r*a,0,A*s-r*o,l*s+r*a,i*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,r,i,a){return this.set(1,n,i,0,t,1,a,0,e,r,1,0,0,0,0,1),this}compose(t,e,n){const r=this.elements,i=e._x,a=e._y,o=e._z,s=e._w,A=i+i,l=a+a,c=o+o,u=i*A,h=i*l,f=i*c,d=a*l,p=a*c,m=o*c,g=s*A,v=s*l,_=s*c,y=n.x,x=n.y,b=n.z;return r[0]=(1-(d+m))*y,r[1]=(h+_)*y,r[2]=(f-v)*y,r[3]=0,r[4]=(h-_)*x,r[5]=(1-(u+m))*x,r[6]=(p+g)*x,r[7]=0,r[8]=(f+v)*b,r[9]=(p-g)*b,r[10]=(1-(u+d))*b,r[11]=0,r[12]=t.x,r[13]=t.y,r[14]=t.z,r[15]=1,this}decompose(t,e,n){const r=this.elements;let i=Ue.set(r[0],r[1],r[2]).length();const a=Ue.set(r[4],r[5],r[6]).length(),o=Ue.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),t.x=r[12],t.y=r[13],t.z=r[14],Ne.copy(this);const s=1/i,A=1/a,l=1/o;return Ne.elements[0]*=s,Ne.elements[1]*=s,Ne.elements[2]*=s,Ne.elements[4]*=A,Ne.elements[5]*=A,Ne.elements[6]*=A,Ne.elements[8]*=l,Ne.elements[9]*=l,Ne.elements[10]*=l,e.setFromRotationMatrix(Ne),n.x=i,n.y=a,n.z=o,this}makePerspective(t,e,n,r,i,a,o=2e3){const s=this.elements,A=2*i/(e-t),l=2*i/(n-r),c=(e+t)/(e-t),u=(n+r)/(n-r);let h,f;if(o===pt)h=-(a+i)/(a-i),f=-2*a*i/(a-i);else {if(o!==mt)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);h=-a/(a-i),f=-a*i/(a-i);}return s[0]=A,s[4]=0,s[8]=c,s[12]=0,s[1]=0,s[5]=l,s[9]=u,s[13]=0,s[2]=0,s[6]=0,s[10]=h,s[14]=f,s[3]=0,s[7]=0,s[11]=-1,s[15]=0,this}makeOrthographic(t,e,n,r,i,a,o=2e3){const s=this.elements,A=1/(e-t),l=1/(n-r),c=1/(a-i),u=(e+t)*A,h=(n+r)*l;let f,d;if(o===pt)f=(a+i)*c,d=-2*c;else {if(o!==mt)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);f=i*c,d=-1*c;}return s[0]=2*A,s[4]=0,s[8]=0,s[12]=-u,s[1]=0,s[5]=2*l,s[9]=0,s[13]=-h,s[2]=0,s[6]=0,s[10]=d,s[14]=-f,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 Ue=new ae,Ne=new qe,Be=new ae(0,0,0),ke=new ae(1,1,1),Fe=new ae,ze=new ae,Ge=new ae,He=new qe,je=new ie;class Ve{constructor(t=0,e=0,n=0,r=Ve.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=r;}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,r=this._order){return this._x=t,this._y=e,this._z=n,this._order=r,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 r=t.elements,i=r[0],a=r[4],o=r[8],s=r[1],A=r[5],l=r[9],c=r[2],u=r[6],h=r[10];switch(e){case"XYZ":this._y=Math.asin(Mt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._z=Math.atan2(-a,i)):(this._x=Math.atan2(u,A),this._z=0);break;case"YXZ":this._x=Math.asin(-Mt(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,h),this._z=Math.atan2(s,A)):(this._y=Math.atan2(-c,i),this._z=0);break;case"ZXY":this._x=Math.asin(Mt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,h),this._z=Math.atan2(-a,A)):(this._y=0,this._z=Math.atan2(s,i));break;case"ZYX":this._y=Math.asin(-Mt(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,h),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-a,A));break;case"YZX":this._z=Math.asin(Mt(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-l,A),this._y=Math.atan2(-c,i)):(this._x=0,this._y=Math.atan2(o,h));break;case"XZY":this._z=Math.asin(-Mt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(u,A),this._y=Math.atan2(o,i)):(this._x=Math.atan2(-l,h),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 He.makeRotationFromQuaternion(t),this.setFromRotationMatrix(He,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return je.setFromEuler(this),this.setFromQuaternion(je,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;}}Ve.DEFAULT_ORDER="XYZ";class We{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 Xe=0;const Qe=new ae,Ye=new ie,Ze=new qe,Ke=new ae,Je=new ae,$e=new ae,tn=new ie,en=new ae(1,0,0),nn=new ae(0,1,0),rn=new ae(0,0,1),an={type:"added"},on={type:"removed"},sn={type:"childadded",child:null},An={type:"childremoved",child:null};class ln extends gt{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:Xe++}),this.uuid=bt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=ln.DEFAULT_UP.clone();const t=new ae,e=new Ve,n=new ie,r=new ae(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:r},modelViewMatrix:{value:new qe},normalMatrix:{value:new Dt}}),this.matrix=new qe,this.matrixWorld=new qe,this.matrixAutoUpdate=ln.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=ln.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new We,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 Ye.setFromAxisAngle(t,e),this.quaternion.multiply(Ye),this}rotateOnWorldAxis(t,e){return Ye.setFromAxisAngle(t,e),this.quaternion.premultiply(Ye),this}rotateX(t){return this.rotateOnAxis(en,t)}rotateY(t){return this.rotateOnAxis(nn,t)}rotateZ(t){return this.rotateOnAxis(rn,t)}translateOnAxis(t,e){return Qe.copy(t).applyQuaternion(this.quaternion),this.position.add(Qe.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(en,t)}translateY(t){return this.translateOnAxis(nn,t)}translateZ(t){return this.translateOnAxis(rn,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(Ze.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Ke.copy(t):Ke.set(t,e,n);const r=this.parent;this.updateWorldMatrix(!0,!1),Je.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ze.lookAt(Je,Ke,this.up):Ze.lookAt(Ke,Je,this.up),this.quaternion.setFromRotationMatrix(Ze),r&&(Ze.extractRotation(r.matrixWorld),Ye.setFromRotationMatrix(Ze),this.quaternion.premultiply(Ye.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(an),sn.child=t,this.dispatchEvent(sn),sn.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(on),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),Ze.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),Ze.multiply(t.parent.matrixWorld)),t.applyMatrix4(Ze),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,r=this.children.length;n<r;n++){const r=this.children[n].getObjectByProperty(t,e);if(void 0!==r)return r}}getObjectsByProperty(t,e,n=[]){this[t]===e&&n.push(this);const r=this.children;for(let i=0,a=r.length;i<a;i++)r[i].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(Je,t,$e),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Je,tn,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,r=e.length;n<r;n++)e[n].traverse(t);}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,r=e.length;n<r;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,r=e.length;n<r;n++){const r=e[n];!0!==r.matrixWorldAutoUpdate&&!0!==t||r.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 r={};function i(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),r.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(r.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(r.type="BatchedMesh",r.perObjectFrustumCulled=this.perObjectFrustumCulled,r.sortObjects=this.sortObjects,r.drawRanges=this._drawRanges,r.reservedRanges=this._reservedRanges,r.visibility=this._visibility,r.active=this._active,r.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()}))),r.maxGeometryCount=this._maxGeometryCount,r.maxVertexCount=this._maxVertexCount,r.maxIndexCount=this._maxIndexCount,r.geometryInitialized=this._geometryInitialized,r.geometryCount=this._geometryCount,r.matricesTexture=this._matricesTexture.toJSON(t),null!==this.boundingSphere&&(r.boundingSphere={center:r.boundingSphere.center.toArray(),radius:r.boundingSphere.radius}),null!==this.boundingBox&&(r.boundingBox={min:r.boundingBox.min.toArray(),max:r.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(r.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=i(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,r=n.length;e<r;e++){const r=n[e];i(t.shapes,r);}else i(t.shapes,n);}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(t.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,r=this.material.length;n<r;n++)e.push(i(t.materials,this.material[n]));r.material=e;}else r.material=i(t.materials,this.material);if(this.children.length>0){r.children=[];for(let e=0;e<this.children.length;e++)r.children.push(this.children[e].toJSON(t).object);}if(this.animations.length>0){r.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];r.animations.push(i(t.animations,n));}}if(e){const e=a(t.geometries),r=a(t.materials),i=a(t.textures),o=a(t.images),s=a(t.shapes),A=a(t.skeletons),l=a(t.animations),c=a(t.nodes);e.length>0&&(n.geometries=e),r.length>0&&(n.materials=r),i.length>0&&(n.textures=i),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),A.length>0&&(n.skeletons=A),l.length>0&&(n.animations=l),c.length>0&&(n.nodes=c);}return n.object=r,n;function a(t){const e=[];for(const n in t){const r=t[n];delete r.metadata,e.push(r);}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}}ln.DEFAULT_UP=new ae(0,1,0),ln.DEFAULT_MATRIX_AUTO_UPDATE=!0,ln.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const cn=new ae,un=new ae,hn=new ae,fn=new ae,dn=new ae,pn=new ae,mn=new ae,gn=new ae,vn=new ae,_n=new ae;class yn{constructor(t=new ae,e=new ae,n=new ae){this.a=t,this.b=e,this.c=n;}static getNormal(t,e,n,r){r.subVectors(n,e),cn.subVectors(t,e),r.cross(cn);const i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(t,e,n,r,i){cn.subVectors(r,e),un.subVectors(n,e),hn.subVectors(t,e);const a=cn.dot(cn),o=cn.dot(un),s=cn.dot(hn),A=un.dot(un),l=un.dot(hn),c=a*A-o*o;if(0===c)return i.set(0,0,0),null;const u=1/c,h=(A*s-o*l)*u,f=(a*l-o*s)*u;return i.set(1-h-f,f,h)}static containsPoint(t,e,n,r){return null!==this.getBarycoord(t,e,n,r,fn)&&(fn.x>=0&&fn.y>=0&&fn.x+fn.y<=1)}static getInterpolation(t,e,n,r,i,a,o,s){return null===this.getBarycoord(t,e,n,r,fn)?(s.x=0,s.y=0,"z"in s&&(s.z=0),"w"in s&&(s.w=0),null):(s.setScalar(0),s.addScaledVector(i,fn.x),s.addScaledVector(a,fn.y),s.addScaledVector(o,fn.z),s)}static isFrontFacing(t,e,n,r){return cn.subVectors(n,e),un.subVectors(t,e),cn.cross(un).dot(r)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,r){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[r]),this}setFromAttributeAndIndices(t,e,n,r){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,r),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 cn.subVectors(this.c,this.b),un.subVectors(this.a,this.b),.5*cn.cross(un).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return yn.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return yn.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,r,i){return yn.getInterpolation(t,this.a,this.b,this.c,e,n,r,i)}containsPoint(t){return yn.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return yn.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,r=this.b,i=this.c;let a,o;dn.subVectors(r,n),pn.subVectors(i,n),gn.subVectors(t,n);const s=dn.dot(gn),A=pn.dot(gn);if(s<=0&&A<=0)return e.copy(n);vn.subVectors(t,r);const l=dn.dot(vn),c=pn.dot(vn);if(l>=0&&c<=l)return e.copy(r);const u=s*c-l*A;if(u<=0&&s>=0&&l<=0)return a=s/(s-l),e.copy(n).addScaledVector(dn,a);_n.subVectors(t,i);const h=dn.dot(_n),f=pn.dot(_n);if(f>=0&&h<=f)return e.copy(i);const d=h*A-s*f;if(d<=0&&A>=0&&f<=0)return o=A/(A-f),e.copy(n).addScaledVector(pn,o);const p=l*f-h*c;if(p<=0&&c-l>=0&&h-f>=0)return mn.subVectors(i,r),o=(c-l)/(c-l+(h-f)),e.copy(r).addScaledVector(mn,o);const m=1/(p+d+u);return a=d*m,o=u*m,e.copy(n).addScaledVector(dn,a).addScaledVector(pn,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const xn={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},bn={h:0,s:0,l:0},Mn={h:0,s:0,l:0};function wn(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}let En=class{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=rt){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Ht.toWorkingColorSpace(this,e),this}setRGB(t,e,n,r=Ht.workingColorSpace){return this.r=t,this.g=e,this.b=n,Ht.toWorkingColorSpace(this,r),this}setHSL(t,e,n,r=Ht.workingColorSpace){if(t=wt(t,1),e=Mt(e,0,1),n=Mt(n,0,1),0===e)this.r=this.g=this.b=n;else {const r=n<=.5?n*(1+e):n+e-n*e,i=2*n-r;this.r=wn(i,r,t+1/3),this.g=wn(i,r,t),this.b=wn(i,r,t-1/3);}return Ht.toWorkingColorSpace(this,r),this}setStyle(t,e=rt){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.");}let r;if(r=/^(\w+)\(([^\)]*)\)/.exec(t)){let i;const a=r[1],o=r[2];switch(a){case"rgb":case"rgba":if(i=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(i[4]),this.setRGB(Math.min(255,parseInt(i[1],10))/255,Math.min(255,parseInt(i[2],10))/255,Math.min(255,parseInt(i[3],10))/255,e);if(i=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(i[4]),this.setRGB(Math.min(100,parseInt(i[1],10))/100,Math.min(100,parseInt(i[2],10))/100,Math.min(100,parseInt(i[3],10))/100,e);break;case"hsl":case"hsla":if(i=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(i[4]),this.setHSL(parseFloat(i[1])/360,parseFloat(i[2])/100,parseFloat(i[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t);}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=r[1],i=n.length;if(3===i)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===i)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=rt){const n=xn[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=jt(t.r),this.g=jt(t.g),this.b=jt(t.b),this}copyLinearToSRGB(t){return this.r=Vt(t.r),this.g=Vt(t.g),this.b=Vt(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=rt){return Ht.fromWorkingColorSpace(Sn.copy(this),t),65536*Math.round(Mt(255*Sn.r,0,255))+256*Math.round(Mt(255*Sn.g,0,255))+Math.round(Mt(255*Sn.b,0,255))}getHexString(t=rt){return ("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Ht.workingColorSpace){Ht.fromWorkingColorSpace(Sn.copy(this),e);const n=Sn.r,r=Sn.g,i=Sn.b,a=Math.max(n,r,i),o=Math.min(n,r,i);let s,A;const l=(o+a)/2;if(o===a)s=0,A=0;else {const t=a-o;switch(A=l<=.5?t/(a+o):t/(2-a-o),a){case n:s=(r-i)/t+(r<i?6:0);break;case r:s=(i-n)/t+2;break;case i:s=(n-r)/t+4;}s/=6;}return t.h=s,t.s=A,t.l=l,t}getRGB(t,e=Ht.workingColorSpace){return Ht.fromWorkingColorSpace(Sn.copy(this),e),t.r=Sn.r,t.g=Sn.g,t.b=Sn.b,t}getStyle(t=rt){Ht.fromWorkingColorSpace(Sn.copy(this),t);const e=Sn.r,n=Sn.g,r=Sn.b;return t!==rt?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${r.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*n)},${Math.round(255*r)})`}offsetHSL(t,e,n){return this.getHSL(bn),this.setHSL(bn.h+t,bn.s+e,bn.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(bn),t.getHSL(Mn);const n=Et(bn.h,Mn.h,e),r=Et(bn.s,Mn.s,e),i=Et(bn.l,Mn.l,e);return this.setHSL(n,r,i),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,r=this.b,i=t.elements;return this.r=i[0]*e+i[3]*n+i[6]*r,this.g=i[1]*e+i[4]*n+i[7]*r,this.b=i[2]*e+i[5]*n+i[8]*r,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 En;En.NAMES=xn;let Tn=0;class Cn extends gt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Tn++}),this.uuid=bt(),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 En(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 '${e}' has value of undefined.`);continue}const r=this[e];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[e]=n:console.warn(`THREE.Material: '${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 r(t){const e=[];for(const n in t){const r=t[n];delete r.metadata,e.push(r);}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=r(t.textures),i=r(t.images);e.length>0&&(n.textures=e),i.length>0&&(n.images=i);}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 r=0;r!==t;++r)n[r]=e[r].clone();}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.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 Rn extends Cn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new En(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 Ve,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 Pn=new ae,Ln=new Lt;class Dn{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=ht,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=V,this.version=0;}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++;}get updateRange(){return Bt("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),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 r=0,i=this.itemSize;r<i;r++)this.array[t+r]=e.array[n+r];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++)Ln.fromBufferAttribute(this,e),Ln.applyMatrix3(t),this.setXY(e,Ln.x,Ln.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)Pn.fromBufferAttribute(this,e),Pn.applyMatrix3(t),this.setXYZ(e,Pn.x,Pn.y,Pn.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)Pn.fromBufferAttribute(this,e),Pn.applyMatrix4(t),this.setXYZ(e,Pn.x,Pn.y,Pn.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)Pn.fromBufferAttribute(this,e),Pn.applyNormalMatrix(t),this.setXYZ(e,Pn.x,Pn.y,Pn.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)Pn.fromBufferAttribute(this,e),Pn.transformDirection(t),this.setXYZ(e,Pn.x,Pn.y,Pn.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=Ct(n,this.array)),n}setComponent(t,e,n){return this.normalized&&(n=Rt(n,this.array)),this.array[t*this.itemSize+e]=n,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=Ct(e,this.array)),e}setX(t,e){return this.normalized&&(e=Rt(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=Ct(e,this.array)),e}setY(t,e){return this.normalized&&(e=Rt(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=Ct(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Rt(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=Ct(e,this.array)),e}setW(t,e){return this.normalized&&(e=Rt(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Rt(e,this.array),n=Rt(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,r){return t*=this.itemSize,this.normalized&&(e=Rt(e,this.array),n=Rt(n,this.array),r=Rt(r,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this}setXYZW(t,e,n,r,i){return t*=this.itemSize,this.normalized&&(e=Rt(e,this.array),n=Rt(n,this.array),r=Rt(r,this.array),i=Rt(i,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this.array[t+3]=i,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),this.usage!==ht&&(t.usage=this.usage),t}}class On extends Dn{constructor(t,e,n){super(new Uint16Array(t),e,n);}}class In extends Dn{constructor(t,e,n){super(new Uint32Array(t),e,n);}}class qn extends Dn{constructor(t,e,n){super(new Float32Array(t),e,n);}}let Un=0;const Nn=new qe,Bn=new ln,kn=new ae,Fn=new Ae,zn=new Ae,Gn=new ae;class Hn extends gt{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Un++}),this.uuid=bt(),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(It(t)?In:On)(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 Dt).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0;}const r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(t),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}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 Bn.lookAt(t),Bn.updateMatrix(),this.applyMatrix4(Bn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(kn).negate(),this.translate(kn.x,kn.y,kn.z),this}setFromPoints(t){const e=[];for(let n=0,r=t.length;n<r;n++){const r=t[n];e.push(r.x,r.y,r.z||0);}return this.setAttribute("position",new qn(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 ae(-1/0,-1/0,-1/0),new ae(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?(Gn.addVectors(this.boundingBox.min,Fn.min),this.boundingBox.expandByPoint(Gn),Gn.addVectors(this.boundingBox.max,Fn.max),this.boundingBox.expandByPoint(Gn)):(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 ae,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];zn.setFromBufferAttribute(n),this.morphTargetsRelative?(Gn.addVectors(Fn.min,zn.min),Fn.expandByPoint(Gn),Gn.addVectors(Fn.max,zn.max),Fn.expandByPoint(Gn)):(Fn.expandByPoint(zn.min),Fn.expandByPoint(zn.max));}Fn.getCenter(n);let r=0;for(let e=0,i=t.count;e<i;e++)Gn.fromBufferAttribute(t,e),r=Math.max(r,n.distanceToSquared(Gn));if(e)for(let i=0,a=e.length;i<a;i++){const a=e[i],o=this.morphTargetsRelative;for(let e=0,i=a.count;e<i;e++)Gn.fromBufferAttribute(a,e),o&&(kn.fromBufferAttribute(t,e),Gn.add(kn)),r=Math.max(r,n.distanceToSquared(Gn));}this.boundingSphere.radius=Math.sqrt(r),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,r=e.normal,i=e.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Dn(new Float32Array(4*n.count),4));const a=this.getAttribute("tangent"),o=[],s=[];for(let t=0;t<n.count;t++)o[t]=new ae,s[t]=new ae;const A=new ae,l=new ae,c=new ae,u=new Lt,h=new Lt,f=new Lt,d=new ae,p=new ae;function m(t,e,r){A.fromBufferAttribute(n,t),l.fromBufferAttribute(n,e),c.fromBufferAttribute(n,r),u.fromBufferAttribute(i,t),h.fromBufferAttribute(i,e),f.fromBufferAttribute(i,r),l.sub(A),c.sub(A),h.sub(u),f.sub(u);const a=1/(h.x*f.y-f.x*h.y);isFinite(a)&&(d.copy(l).multiplyScalar(f.y).addScaledVector(c,-h.y).multiplyScalar(a),p.copy(c).multiplyScalar(h.x).addScaledVector(l,-f.x).multiplyScalar(a),o[t].add(d),o[e].add(d),o[r].add(d),s[t].add(p),s[e].add(p),s[r].add(p));}let g=this.groups;0===g.length&&(g=[{start:0,count:t.count}]);for(let e=0,n=g.length;e<n;++e){const n=g[e],r=n.start;for(let e=r,i=r+n.count;e<i;e+=3)m(t.getX(e+0),t.getX(e+1),t.getX(e+2));}const v=new ae,_=new ae,y=new ae,x=new ae;function b(t){y.fromBufferAttribute(r,t),x.copy(y);const e=o[t];v.copy(e),v.sub(y.multiplyScalar(y.dot(e))).normalize(),_.crossVectors(x,e);const n=_.dot(s[t])<0?-1:1;a.setXYZW(t,v.x,v.y,v.z,n);}for(let e=0,n=g.length;e<n;++e){const n=g[e],r=n.start;for(let e=r,i=r+n.count;e<i;e+=3)b(t.getX(e+0)),b(t.getX(e+1)),b(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 Dn(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 r=new ae,i=new ae,a=new ae,o=new ae,s=new ae,A=new ae,l=new ae,c=new ae;if(t)for(let u=0,h=t.count;u<h;u+=3){const h=t.getX(u+0),f=t.getX(u+1),d=t.getX(u+2);r.fromBufferAttribute(e,h),i.fromBufferAttribute(e,f),a.fromBufferAttribute(e,d),l.subVectors(a,i),c.subVectors(r,i),l.cross(c),o.fromBufferAttribute(n,h),s.fromBufferAttribute(n,f),A.fromBufferAttribute(n,d),o.add(l),s.add(l),A.add(l),n.setXYZ(h,o.x,o.y,o.z),n.setXYZ(f,s.x,s.y,s.z),n.setXYZ(d,A.x,A.y,A.z);}else for(let t=0,o=e.count;t<o;t+=3)r.fromBufferAttribute(e,t+0),i.fromBufferAttribute(e,t+1),a.fromBufferAttribute(e,t+2),l.subVectors(a,i),c.subVectors(r,i),l.cross(c),n.setXYZ(t+0,l.x,l.y,l.z),n.setXYZ(t+1,l.x,l.y,l.z),n.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),n.needsUpdate=!0;}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)Gn.fromBufferAttribute(t,e),Gn.normalize(),t.setXYZ(e,Gn.x,Gn.y,Gn.z);}toNonIndexed(){function t(t,e){const n=t.array,r=t.itemSize,i=t.normalized,a=new n.constructor(e.length*r);let o=0,s=0;for(let i=0,A=e.length;i<A;i++){o=t.isInterleavedBufferAttribute?e[i]*t.data.stride+t.offset:e[i]*r;for(let t=0;t<r;t++)a[s++]=n[o++];}return new Dn(a,r,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Hn,n=this.index.array,r=this.attributes;for(const i in r){const a=t(r[i],n);e.setAttribute(i,a);}const i=this.morphAttributes;for(const r in i){const a=[],o=i[r];for(let e=0,r=o.length;e<r;e++){const r=t(o[e],n);a.push(r);}e.morphAttributes[r]=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 r=n[e];t.data.attributes[e]=r.toJSON(t.data);}const r={};let i=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],a=[];for(let e=0,r=n.length;e<r;e++){const r=n[e];a.push(r.toJSON(t.data));}a.length>0&&(r[e]=a,i=!0);}i&&(t.data.morphAttributes=r,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 r=t.attributes;for(const t in r){const n=r[t];this.setAttribute(t,n.clone(e));}const i=t.morphAttributes;for(const t in i){const n=[],r=i[t];for(let t=0,i=r.length;t<i;t++)n.push(r[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 jn=new qe,Vn=new Ie,Wn=new Se,Xn=new ae,Qn=new ae,Yn=new ae,Zn=new ae,Kn=new ae,Jn=new ae,$n=new Lt,tr=new Lt,er=new Lt,nr=new ae,rr=new ae,ir=new ae,ar=new ae,or=new ae;class sr extends ln{constructor(t=new Hn,e=new Rn){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,r=n.attributes.position,i=n.morphAttributes.position,a=n.morphTargetsRelative;e.fromBufferAttribute(r,t);const o=this.morphTargetInfluences;if(i&&o){Jn.set(0,0,0);for(let n=0,r=i.length;n<r;n++){const r=o[n],s=i[n];0!==r&&(Kn.fromBufferAttribute(s,t),a?Jn.addScaledVector(Kn,r):Jn.addScaledVector(Kn.sub(e),r));}e.add(Jn);}return e}raycast(t,e){const n=this.geometry,r=this.material,i=this.matrixWorld;if(void 0!==r){if(null===n.boundingSphere&&n.computeBoundingSphere(),Wn.copy(n.boundingSphere),Wn.applyMatrix4(i),Vn.copy(t.ray).recast(t.near),!1===Wn.containsPoint(Vn.origin)){if(null===Vn.intersectSphere(Wn,Xn))return;if(Vn.origin.distanceToSquared(Xn)>(t.far-t.near)**2)return}jn.copy(i).invert(),Vn.copy(t.ray).applyMatrix4(jn),null!==n.boundingBox&&!1===Vn.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Vn);}}_computeIntersections(t,e,n){let r;const i=this.geometry,a=this.material,o=i.index,s=i.attributes.position,A=i.attributes.uv,l=i.attributes.uv1,c=i.attributes.normal,u=i.groups,h=i.drawRange;if(null!==o)if(Array.isArray(a))for(let i=0,s=u.length;i<s;i++){const s=u[i],f=a[s.materialIndex];for(let i=Math.max(s.start,h.start),a=Math.min(o.count,Math.min(s.start+s.count,h.start+h.count));i<a;i+=3){r=Ar(this,f,t,n,A,l,c,o.getX(i),o.getX(i+1),o.getX(i+2)),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=s.materialIndex,e.push(r));}}else {for(let i=Math.max(0,h.start),s=Math.min(o.count,h.start+h.count);i<s;i+=3){r=Ar(this,a,t,n,A,l,c,o.getX(i),o.getX(i+1),o.getX(i+2)),r&&(r.faceIndex=Math.floor(i/3),e.push(r));}}else if(void 0!==s)if(Array.isArray(a))for(let i=0,o=u.length;i<o;i++){const o=u[i],f=a[o.materialIndex];for(let i=Math.max(o.start,h.start),a=Math.min(s.count,Math.min(o.start+o.count,h.start+h.count));i<a;i+=3){r=Ar(this,f,t,n,A,l,c,i,i+1,i+2),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=o.materialIndex,e.push(r));}}else {for(let i=Math.max(0,h.start),o=Math.min(s.count,h.start+h.count);i<o;i+=3){r=Ar(this,a,t,n,A,l,c,i,i+1,i+2),r&&(r.faceIndex=Math.floor(i/3),e.push(r));}}}}function Ar(t,e,n,r,i,a,o,s,A,l){t.getVertexPosition(s,Qn),t.getVertexPosition(A,Yn),t.getVertexPosition(l,Zn);const c=function(t,e,n,r,i,a,o,s){let A;if(A=e.side===g?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,e.side===m,s),null===A)return null;or.copy(s),or.applyMatrix4(t.matrixWorld);const l=n.ray.origin.distanceTo(or);return l<n.near||l>n.far?null:{distance:l,point:or.clone(),object:t}}(t,e,n,r,Qn,Yn,Zn,ar);if(c){i&&($n.fromBufferAttribute(i,s),tr.fromBufferAttribute(i,A),er.fromBufferAttribute(i,l),c.uv=yn.getInterpolation(ar,Qn,Yn,Zn,$n,tr,er,new Lt)),a&&($n.fromBufferAttribute(a,s),tr.fromBufferAttribute(a,A),er.fromBufferAttribute(a,l),c.uv1=yn.getInterpolation(ar,Qn,Yn,Zn,$n,tr,er,new Lt)),o&&(nr.fromBufferAttribute(o,s),rr.fromBufferAttribute(o,A),ir.fromBufferAttribute(o,l),c.normal=yn.getInterpolation(ar,Qn,Yn,Zn,nr,rr,ir,new ae),c.normal.dot(r.direction)>0&&c.normal.multiplyScalar(-1));const t={a:s,b:A,c:l,normal:new ae,materialIndex:0};yn.getNormal(Qn,Yn,Zn,t.normal),c.face=t;}return c}class lr extends Hn{constructor(t=1,e=1,n=1,r=1,i=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:r,heightSegments:i,depthSegments:a};const o=this;r=Math.floor(r),i=Math.floor(i),a=Math.floor(a);const s=[],A=[],l=[],c=[];let u=0,h=0;function f(t,e,n,r,i,a,f,d,p,m,g){const v=a/p,_=f/m,y=a/2,x=f/2,b=d/2,M=p+1,w=m+1;let E=0,S=0;const T=new ae;for(let a=0;a<w;a++){const o=a*_-x;for(let s=0;s<M;s++){const u=s*v-y;T[t]=u*r,T[e]=o*i,T[n]=b,A.push(T.x,T.y,T.z),T[t]=0,T[e]=0,T[n]=d>0?1:-1,l.push(T.x,T.y,T.z),c.push(s/p),c.push(1-a/m),E+=1;}}for(let t=0;t<m;t++)for(let e=0;e<p;e++){const n=u+e+M*t,r=u+e+M*(t+1),i=u+(e+1)+M*(t+1),a=u+(e+1)+M*t;s.push(n,r,a),s.push(r,i,a),S+=6;}o.addGroup(h,S,g),h+=S,u+=E;}f("z","y","x",-1,-1,n,e,t,a,i,0),f("z","y","x",1,-1,n,e,-t,a,i,1),f("x","z","y",1,1,t,n,e,r,a,2),f("x","z","y",1,-1,t,n,-e,r,a,3),f("x","y","z",1,-1,t,e,n,r,i,4),f("x","y","z",-1,-1,t,e,-n,r,i,5),this.setIndex(s),this.setAttribute("position",new qn(A,3)),this.setAttribute("normal",new qn(l,3)),this.setAttribute("uv",new qn(c,2));}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new lr(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function cr(t){const e={};for(const n in t){e[n]={};for(const r in t[n]){const i=t[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?i.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[n][r]=null):e[n][r]=i.clone():Array.isArray(i)?e[n][r]=i.slice():e[n][r]=i;}}return e}function ur(t){const e={};for(let n=0;n<t.length;n++){const r=cr(t[n]);for(const t in r)e[t]=r[t];}return e}function hr(t){return null===t.getRenderTarget()?t.outputColorSpace:Ht.workingColorSpace}const fr={clone:cr,merge:ur};class dr extends Cn{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=cr(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 r=this.uniforms[n].value;r&&r.isTexture?e.uniforms[n]={type:"t",value:r.toJSON(t).uuid}:r&&r.isColor?e.uniforms[n]={type:"c",value:r.getHex()}:r&&r.isVector2?e.uniforms[n]={type:"v2",value:r.toArray()}:r&&r.isVector3?e.uniforms[n]={type:"v3",value:r.toArray()}:r&&r.isVector4?e.uniforms[n]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?e.uniforms[n]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?e.uniforms[n]={type:"m4",value:r.toArray()}:e.uniforms[n]={value:r};}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 pr extends ln{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new qe,this.projectionMatrix=new qe,this.projectionMatrixInverse=new qe,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 mr=new ae,gr=new Lt,vr=new Lt;class _r extends pr{constructor(t=50,e=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=r,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*xt*Math.atan(e),this.updateProjectionMatrix();}getFocalLength(){const t=Math.tan(.5*yt*this.fov);return .5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*xt*Math.atan(Math.tan(.5*yt*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){mr.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(mr.x,mr.y).multiplyScalar(-t/mr.z),mr.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(mr.x,mr.y).multiplyScalar(-t/mr.z);}getViewSize(t,e){return this.getViewBounds(t,gr,vr),e.subVectors(vr,gr)}setViewOffset(t,e,n,r,i,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=r,this.view.width=i,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*yt*this.fov)/this.zoom,n=2*e,r=this.aspect*n,i=-.5*r;const a=this.view;if(null!==this.view&&this.view.enabled){const t=a.fullWidth,o=a.fullHeight;i+=a.offsetX*r/t,e-=a.offsetY*n/o,r*=a.width/t,n*=a.height/o;}const o=this.filmOffset;0!==o&&(i+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,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 yr=-90;class xr extends ln{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const r=new _r(yr,1,t,e);r.layers=this.layers,this.add(r);const i=new _r(yr,1,t,e);i.layers=this.layers,this.add(i);const a=new _r(yr,1,t,e);a.layers=this.layers,this.add(a);const o=new _r(yr,1,t,e);o.layers=this.layers,this.add(o);const s=new _r(yr,1,t,e);s.layers=this.layers,this.add(s);const A=new _r(yr,1,t,e);A.layers=this.layers,this.add(A);}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,r,i,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),r.up.set(0,1,0),r.lookAt(-1,0,0),i.up.set(0,0,-1),i.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!==mt)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),r.up.set(0,-1,0),r.lookAt(1,0,0),i.up.set(0,0,1),i.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:r}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[i,a,o,s,A,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),h=t.getActiveMipmapLevel(),f=t.xr.enabled;t.xr.enabled=!1;const d=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,r),t.render(e,i),t.setRenderTarget(n,1,r),t.render(e,a),t.setRenderTarget(n,2,r),t.render(e,o),t.setRenderTarget(n,3,r),t.render(e,s),t.setRenderTarget(n,4,r),t.render(e,A),n.texture.generateMipmaps=d,t.setRenderTarget(n,5,r),t.render(e,l),t.setRenderTarget(c,u,h),t.xr.enabled=f,n.texture.needsPMREMUpdate=!0;}}class br extends Jt{constructor(t,e,n,r,i,a,o,s,A,l){super(t=void 0!==t?t:[],e=void 0!==e?e:P,n,r,i,a,o,s,A,l),this.isCubeTexture=!0,this.flipY=!1;}get images(){return this.image}set images(t){this.image=t;}}class Mr extends ee{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},r=[n,n,n,n,n,n];this.texture=new br(r,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:B;}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"},r=new lr(5,5,5),i=new dr({name:"CubemapFromEquirect",uniforms:cr(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:g,blending:0});i.uniforms.tEquirect.value=e;const a=new sr(r,i),o=e.minFilter;e.minFilter===F&&(e.minFilter=B);return new xr(1,10,this).update(t,a),e.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(t,e,n,r){const i=t.getRenderTarget();for(let i=0;i<6;i++)t.setRenderTarget(this,i),t.clear(e,n,r);t.setRenderTarget(i);}}const wr=new ae,Er=new ae,Sr=new Dt;class Tr{constructor(t=new ae(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,r){return this.normal.set(t,e,n),this.constant=r,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const r=wr.subVectors(n,e).cross(Er.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(r,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(wr),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const i=-(t.start.dot(this.normal)+this.constant)/r;return i<0||i>1?null:e.copy(t.start).addScaledVector(n,i)}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||Sr.getNormalMatrix(t),r=this.coplanarPoint(wr).applyMatrix4(t),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),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 Cr=new Se,Rr=new ae;class Pr{constructor(t=new Tr,e=new Tr,n=new Tr,r=new Tr,i=new Tr,a=new Tr){this.planes=[t,e,n,r,i,a];}set(t,e,n,r,i,a){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(n),o[3].copy(r),o[4].copy(i),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,r=t.elements,i=r[0],a=r[1],o=r[2],s=r[3],A=r[4],l=r[5],c=r[6],u=r[7],h=r[8],f=r[9],d=r[10],p=r[11],m=r[12],g=r[13],v=r[14],_=r[15];if(n[0].setComponents(s-i,u-A,p-h,_-m).normalize(),n[1].setComponents(s+i,u+A,p+h,_+m).normalize(),n[2].setComponents(s+a,u+l,p+f,_+g).normalize(),n[3].setComponents(s-a,u-l,p-f,_-g).normalize(),n[4].setComponents(s-o,u-c,p-d,_-v).normalize(),e===pt)n[5].setComponents(s+o,u+c,p+d,_+v).normalize();else {if(e!==mt)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(o,c,d,v).normalize();}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),Cr.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else {const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),Cr.copy(e.boundingSphere).applyMatrix4(t.matrixWorld);}return this.intersectsSphere(Cr)}intersectsSprite(t){return Cr.center.set(0,0,0),Cr.radius=.7071067811865476,Cr.applyMatrix4(t.matrixWorld),this.intersectsSphere(Cr)}intersectsSphere(t){const e=this.planes,n=t.center,r=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<r)return !1}return !0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const r=e[n];if(Rr.x=r.normal.x>0?t.max.x:t.min.x,Rr.y=r.normal.y>0?t.max.y:t.min.y,Rr.z=r.normal.z>0?t.max.z:t.min.z,r.distanceToPoint(Rr)<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 Lr(){let t=null,e=!1,n=null,r=null;function i(e,a){n(e,a),r=t.requestAnimationFrame(i);}return {start:function(){!0!==e&&null!==n&&(r=t.requestAnimationFrame(i),e=!0);},stop:function(){t.cancelAnimationFrame(r),e=!1;},setAnimationLoop:function(t){n=t;},setContext:function(e){t=e;}}}function Dr(t,e){const n=e.isWebGL2,r=new WeakMap;return {get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),r.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=r.get(e);n&&(t.deleteBuffer(n.buffer),r.delete(e));},update:function(e,i){if(e.isGLBufferAttribute){const t=r.get(e);return void((!t||t.version<e.version)&&r.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const a=r.get(e);if(void 0===a)r.set(e,function(e,r){const i=e.array,a=e.usage,o=i.byteLength,s=t.createBuffer();let A;if(t.bindBuffer(r,s),t.bufferData(r,i,a),e.onUploadCallback(),i instanceof Float32Array)A=t.FLOAT;else if(i instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");A=t.HALF_FLOAT;}else A=t.UNSIGNED_SHORT;else if(i instanceof Int16Array)A=t.SHORT;else if(i instanceof Uint32Array)A=t.UNSIGNED_INT;else if(i instanceof Int32Array)A=t.INT;else if(i instanceof Int8Array)A=t.BYTE;else if(i instanceof Uint8Array)A=t.UNSIGNED_BYTE;else {if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);A=t.UNSIGNED_BYTE;}return {buffer:s,type:A,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,size:o}}(e,i));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,r,i){const a=r.array,o=r._updateRange,s=r.updateRanges;if(t.bindBuffer(i,e),-1===o.count&&0===s.length&&t.bufferSubData(i,0,a),0!==s.length){for(let e=0,r=s.length;e<r;e++){const r=s[e];n?t.bufferSubData(i,r.start*a.BYTES_PER_ELEMENT,a,r.start,r.count):t.bufferSubData(i,r.start*a.BYTES_PER_ELEMENT,a.subarray(r.start,r.start+r.count));}r.clearUpdateRanges();}-1!==o.count&&(n?t.bufferSubData(i,o.offset*a.BYTES_PER_ELEMENT,a,o.offset,o.count):t.bufferSubData(i,o.offset*a.BYTES_PER_ELEMENT,a.subarray(o.offset,o.offset+o.count)),o.count=-1),r.onUploadCallback();}(a.buffer,e,i),a.version=e.version;}}}}class Or extends Hn{constructor(t=1,e=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:r};const i=t/2,a=e/2,o=Math.floor(n),s=Math.floor(r),A=o+1,l=s+1,c=t/o,u=e/s,h=[],f=[],d=[],p=[];for(let t=0;t<l;t++){const e=t*u-a;for(let n=0;n<A;n++){const r=n*c-i;f.push(r,-e,0),d.push(0,0,1),p.push(n/o),p.push(1-t/s);}}for(let t=0;t<s;t++)for(let e=0;e<o;e++){const n=e+A*t,r=e+A*(t+1),i=e+1+A*(t+1),a=e+1+A*t;h.push(n,r,a),h.push(r,i,a);}this.setIndex(h),this.setAttribute("position",new qn(f,3)),this.setAttribute("normal",new qn(d,3)),this.setAttribute("uv",new qn(p,2));}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Or(t.width,t.height,t.widthSegments,t.heightSegments)}}const Ir={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 += s |
