threepipe/dist/index.js

A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.

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 * @license
 * threepipe v0.0.37
 * Copyright 2022-2025 repalash <palash@shaders.app>
 * Apache-2.0 License
 * See ./dependencies.txt for bundled third-party dependencies and licenses.
 *//**
 * @license
 * Copyright 2010-2023 Three.js Authors
 * SPDX-License-Identifier: MIT
 */var Li,go,ta,Jl,na,$l,Zl;const 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dt{constructor(e,t,n,i,s,a,o,l,c){dt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],e!==void 0&&this.set(e,t,n,i,s,a,o,l,c)}set(e,t,n,i,s,a,o,l,c){const u=this.elements;return u[0]=e,u[1]=i,u[2]=o,u[3]=t,u[4]=s,u[5]=l,u[6]=n,u[7]=a,u[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],u=n[4],h=n[7],f=n[2],p=n[5],m=n[8],_=i[0],y=i[3],A=i[6],v=i[1],g=i[4],w=i[7],x=i[2],b=i[5],C=i[8];return s[0]=a*_+o*v+l*x,s[3]=a*y+o*g+l*b,s[6]=a*A+o*w+l*C,s[1]=c*_+u*v+h*x,s[4]=c*y+u*g+h*b,s[7]=c*A+u*w+h*C,s[2]=f*_+p*v+m*x,s[5]=f*y+p*g+m*b,s[8]=f*A+p*w+m*C,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8];return t*a*u-t*o*c-n*s*u+n*o*l+i*s*c-i*a*l}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=u*a-o*c,f=o*l-u*s,p=c*s-a*l,m=t*h+n*f+i*p;if(m===0)return this.set(0,0,0,0,0,0,0,0,0);const _=1/m;return e[0]=h*_,e[1]=(i*c-u*n)*_,e[2]=(o*n-i*a)*_,e[3]=f*_,e[4]=(u*t-i*l)*_,e[5]=(i*s-o*t)*_,e[6]=p*_,e[7]=(n*l-c*t)*_,e[8]=(a*t-n*s)*_,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,i,s,a,o){const l=Math.cos(s),c=Math.sin(s);return this.set(n*l,n*c,-n*(l*a+c*o)+a+e,-i*c,i*l,-i*(-c*a+l*o)+o+t,0,0,1),this}scale(e,t){return this.premultiply(Cp.makeScale(e,t)),this}rotate(e){return this.premultiply(Cp.makeRotation(-e)),this}translate(e,t){return this.premultiply(Cp.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,n,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,n=e.elements;for(let i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return new this.constructor().fromArray(this.elements)}}const Cp=new dt;function G0(r){for(let e=r.length-1;e>=0;--e)if(r[e]>=65535)return!0;return!1}const kC={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function Po(r,e){return new kC[r](e)}function cc(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}const z0={};function uc(r){r in z0||(z0[r]=!0,console.warn(r))}function Do(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function Mp(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}const GC=new dt().fromArray([.8224621,.0331941,.0170827,.177538,.9668058,.0723974,-1e-7,1e-7,.9105199]),zC=new dt().fromArray([1.2249401,-.0420569,-.0196376,-.2249404,1.0420571,-.0786361,1e-7,0,1.0982735]);function QC(r){return 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this.convert(r,e,this.workingColorSpace)}};let Ro;class $u{static getDataURL(e,t=!1){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let n;if(e instanceof HTMLCanvasElement)n=e;else{Ro===void 0&&(Ro=cc("canvas")),Ro.width=e.width,Ro.height=e.height;const i=Ro.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),n=Ro}return!t&&(n.width>2048||n.height>2048)?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),n.toDataURL("image/jpeg",.6)):n.toDataURL("image/png")}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){const t=cc("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const i=n.getImageData(0,0,e.width,e.height),s=i.data;for(let a=0;a<s.length;a++)s[a]=Do(s[a]/255)*255;return n.putImageData(i,0,0),t}else if(e.data){const t=e.data.slice(0);for(let n=0;n<t.length;n++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[n]=Math.floor(Do(t[n]/255)*255):t[n]=Do(t[n]);return{data:t,width:e.width,height:e.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}let jC=0;class $s{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:jC++}),this.uuid=Fi(),this.data=e,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?s.push(Tp(i[a].image)):s.push(Tp(i[a]))}else s=Tp(i);n.url=s}return t||(e.images[this.uuid]=n),n}}function Tp(r){if(typeof HTMLImageElement<"u"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&r instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&r instanceof ImageBitmap)return $u.getDataURL(r);if(r.data){let e=[];try{e=Array.from(r.data)}catch(t){t.message.includes("Invalid array length")?console.warn("Serializing large texture, might not be saved in JSON structure."):console.error(t),e=r.data}return{data:e,width:r.width,height:r.height,type:r.data.constructor.name}}else return r.url!==void 0?r.url:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let qC=0;class Kt extends pn{constructor(e=Kt.DEFAULT_IMAGE,t=Kt.DEFAULT_MAPPING,n=kt,i=kt,s=it,a=fi,o=Ht,l=It,c=Kt.DEFAULT_ANISOTROPY,u=En){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:qC++}),this.uuid=Fi(),this.name="",this.source=new $s(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new J(0,0),this.repeat=new J(1,1),this.center=new J(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new dt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,typeof u=="string"?this.colorSpace=u:(uc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=u===Sr?Ue:En),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(e=null){this.source.data=e}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(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.textures&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).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,encoding:this.colorSpace===Ue?Sr:vp,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),!t&&e.textures&&(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==sc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case jn:e.x=e.x-Math.floor(e.x);break;case kt:e.x=e.x<0?0:1;break;case Ks:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case jn:e.y=e.y-Math.floor(e.y);break;case kt:e.y=e.y<0?0:1;break;case Ks:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0,this.dispatchEvent({type:"update"}))}get encoding(){return uc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===Ue?Sr:vp}set encoding(e){uc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===Sr?Ue:En}}Kt.DEFAULT_IMAGE=null,Kt.DEFAULT_MAPPING=sc,Kt.DEFAULT_ANISOTROPY=1;class et{constructor(e=0,t=0,n=0,i=1){et.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,s;const l=e.elements,c=l[0],u=l[4],h=l[8],f=l[1],p=l[5],m=l[9],_=l[2],y=l[6],A=l[10];if(Math.abs(u-f)<.01&&Math.abs(h-_)<.01&&Math.abs(m-y)<.01){if(Math.abs(u+f)<.1&&Math.abs(h+_)<.1&&Math.abs(m+y)<.1&&Math.abs(c+p+A-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const g=(c+1)/2,w=(p+1)/2,x=(A+1)/2,b=(u+f)/4,C=(h+_)/4,T=(m+y)/4;return g>w&&g>x?g<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(g),i=b/n,s=C/n):w>x?w<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(w),n=b/i,s=T/i):x<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(x),n=C/s,i=T/s),this.set(n,i,s,t),this}let v=Math.sqrt((y-m)*(y-m)+(h-_)*(h-_)+(f-u)*(f-u));return Math.abs(v)<.001&&(v=1),this.x=(y-m)/v,this.y=(h-_)/v,this.z=(f-u)/v,this.w=Math.acos((c+p+A-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),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 pi extends pn{constructor(e=1,t=1,n={}){super(),this.isWebGLRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new et(0,0,e,t),this.scissorTest=!1,this.viewport=new et(0,0,e,t);const i={width:e,height:t,depth:1};n.encoding!==void 0&&(uc("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===Sr?Ue:En),this.texture=new Kt(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=n.generateMipmaps!==void 0?n.generateMipmaps:!1,this.texture.internalFormat=n.internalFormat!==void 0?n.internalFormat:null,this.texture.minFilter=n.minFilter!==void 0?n.minFilter:it,this.depthBuffer=n.depthBuffer!==void 0?n.depthBuffer:!0,this.stencilBuffer=n.stencilBuffer!==void 0?n.stencilBuffer:!1,this.depthTexture=n.depthTexture!==void 0?n.depthTexture:null,this.samples=n.samples!==void 0?n.samples:0}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new $s(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Zu extends Kt{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Yt,this.minFilter=Yt,this.wrapR=kt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class XC extends pi{constructor(e=1,t=1,n=1){super(e,t),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new Zu(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class eh extends Kt{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Yt,this.minFilter=Yt,this.wrapR=kt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class YC extends pi{constructor(e=1,t=1,n=1){super(e,t),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new eh(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class Q0 extends pi{constructor(e=1,t=1,n=1,i={}){super(e,t,i),this.isWebGLMultipleRenderTargets=!0;const s=this.texture;this.texture=[];for(let a=0;a<n;a++)this.texture[a]=s.clone(),this.texture[a].isRenderTargetTexture=!0}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,s=this.texture.length;i<s;i++)this.texture[i].image.width=e,this.texture[i].image.height=t,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.texture.length=0;for(let t=0,n=e.texture.length;t<n;t++)this.texture[t]=e.texture[t].clone(),this.texture[t].isRenderTargetTexture=!0;return this}}class st{constructor(e=0,t=0,n=0,i=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=i}static slerpFlat(e,t,n,i,s,a,o){let l=n[i+0],c=n[i+1],u=n[i+2],h=n[i+3];const f=s[a+0],p=s[a+1],m=s[a+2],_=s[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h;return}if(o===1){e[t+0]=f,e[t+1]=p,e[t+2]=m,e[t+3]=_;return}if(h!==_||l!==f||c!==p||u!==m){let y=1-o;const A=l*f+c*p+u*m+h*_,v=A>=0?1:-1,g=1-A*A;if(g>Number.EPSILON){const x=Math.sqrt(g),b=Math.atan2(x,A*v);y=Math.sin(y*b)/x,o=Math.sin(o*b)/x}const w=o*v;if(l=l*y+f*w,c=c*y+p*w,u=u*y+m*w,h=h*y+_*w,y===1-o){const x=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=x,c*=x,u*=x,h*=x}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,s,a){const o=n[i],l=n[i+1],c=n[i+2],u=n[i+3],h=s[a],f=s[a+1],p=s[a+2],m=s[a+3];return e[t]=o*m+u*h+l*p-c*f,e[t+1]=l*m+u*f+c*h-o*p,e[t+2]=c*m+u*p+o*f-l*h,e[t+3]=u*m-o*h-l*f-c*p,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){const n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),u=o(i/2),h=o(s/2),f=l(n/2),p=l(i/2),m=l(s/2);switch(a){case"XYZ":this._x=f*u*h+c*p*m,this._y=c*p*h-f*u*m,this._z=c*u*m+f*p*h,this._w=c*u*h-f*p*m;break;case"YXZ":this._x=f*u*h+c*p*m,this._y=c*p*h-f*u*m,this._z=c*u*m-f*p*h,this._w=c*u*h+f*p*m;break;case"ZXY":this._x=f*u*h-c*p*m,this._y=c*p*h+f*u*m,this._z=c*u*m+f*p*h,this._w=c*u*h-f*p*m;break;case"ZYX":this._x=f*u*h-c*p*m,this._y=c*p*h+f*u*m,this._z=c*u*m-f*p*h,this._w=c*u*h+f*p*m;break;case"YZX":this._x=f*u*h+c*p*m,this._y=c*p*h+f*u*m,this._z=c*u*m-f*p*h,this._w=c*u*h-f*p*m;break;case"XZY":this._x=f*u*h-c*p*m,this._y=c*p*h-f*u*m,this._z=c*u*m+f*p*h,this._w=c*u*h+f*p*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],f=n+o+h;if(f>0){const p=.5/Math.sqrt(f+1);this._w=.25/p,this._x=(u-l)*p,this._y=(s-c)*p,this._z=(a-i)*p}else if(n>o&&n>h){const p=2*Math.sqrt(1+n-o-h);this._w=(u-l)/p,this._x=.25*p,this._y=(i+a)/p,this._z=(s+c)/p}else if(o>h){const p=2*Math.sqrt(1+o-n-h);this._w=(s-c)/p,this._x=(i+a)/p,this._y=.25*p,this._z=(l+u)/p}else{const p=2*Math.sqrt(1+h-n-o);this._w=(a-i)/p,this._x=(s+c)/p,this._y=(l+u)/p,this._z=.25*p}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(mn(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const i=Math.min(1,t/n);return this.slerp(e,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._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 e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,i=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=n*u+a*o+i*c-s*l,this._y=i*u+a*l+s*o-n*c,this._z=s*u+a*c+n*l-i*o,this._w=a*u-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const n=this._x,i=this._y,s=this._z,a=this._w;let o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;const l=1-o*o;if(l<=Number.EPSILON){const p=1-t;return this._w=p*a+t*this._w,this._x=p*n+t*this._x,this._y=p*i+t*this._y,this._z=p*s+t*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,f=Math.sin(t*u)/c;return this._w=a*h+this._w*f,this._x=n*h+this._x*f,this._y=i*h+this._y*f,this._z=s*h+this._z*f,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class M{constructor(e=0,t=0,n=0){M.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(H0.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(H0.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,u=l*n+o*t-s*i,h=l*i+s*n-a*t,f=-s*t-a*n-o*i;return this.x=c*l+f*-s+u*-o-h*-a,this.y=u*l+f*-a+h*-s-c*-o,this.z=h*l+f*-o+c*-a-u*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,i=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Ip.copy(this).projectOnVector(e),this.sub(Ip)}reflect(e){return this.sub(Ip.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(mn(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ip=new M,H0=new st;class mi{constructor(e=new M(1/0,1/0,1/0),t=new M(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(er.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(er.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=er.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.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(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){if(e.updateWorldMatrix(!1,!1),e.boundingBox!==void 0)e.boundingBox===null&&e.computeBoundingBox(),Bo.copy(e.boundingBox),Bo.applyMatrix4(e.matrixWorld),this.union(Bo);else{const i=e.geometry;if(i!==void 0)if(t&&i.attributes!==void 0&&i.attributes.position!==void 0){const s=i.attributes.position;for(let a=0,o=s.count;a<o;a++)er.fromBufferAttribute(s,a).applyMatrix4(e.matrixWorld),this.expandByPoint(er)}else i.boundingBox===null&&i.computeBoundingBox(),Bo.copy(i.boundingBox),Bo.applyMatrix4(e.matrixWorld),this.union(Bo)}const n=e.children;for(let i=0,s=n.length;i<s;i++)this.expandByObject(n[i],t);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,er),er.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(hc),th.subVectors(this.max,hc),Lo.subVectors(e.a,hc),Uo.subVectors(e.b,hc),Fo.subVectors(e.c,hc),Cr.subVectors(Uo,Lo),Mr.subVectors(Fo,Uo),ua.subVectors(Lo,Fo);let t=[0,-Cr.z,Cr.y,0,-Mr.z,Mr.y,0,-ua.z,ua.y,Cr.z,0,-Cr.x,Mr.z,0,-Mr.x,ua.z,0,-ua.x,-Cr.y,Cr.x,0,-Mr.y,Mr.x,0,-ua.y,ua.x,0];return!Pp(t,Lo,Uo,Fo,th)||(t=[1,0,0,0,1,0,0,0,1],!Pp(t,Lo,Uo,Fo,th))?!1:(nh.crossVectors(Cr,Mr),t=[nh.x,nh.y,nh.z],Pp(t,Lo,Uo,Fo,th))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,er).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(er).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Zs[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Zs[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Zs[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Zs[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Zs[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Zs[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Zs[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Zs[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Zs),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Zs=[new M,new M,new M,new M,new M,new M,new M,new M],er=new M,Bo=new mi,Lo=new M,Uo=new M,Fo=new M,Cr=new M,Mr=new M,ua=new M,hc=new M,th=new M,nh=new M,ha=new M;function Pp(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){ha.fromArray(r,s);const o=i.x*Math.abs(ha.x)+i.y*Math.abs(ha.y)+i.z*Math.abs(ha.z),l=e.dot(ha),c=t.dot(ha),u=n.dot(ha);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}const KC=new mi,dc=new M,Dp=new M;class gi{constructor(e=new M,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;t!==void 0?n.copy(t):KC.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;s<a;s++)i=Math.max(i,n.distanceToSquared(e[s]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;dc.subVectors(e,this.center);const t=dc.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.addScaledVector(dc,i/n),this.radius+=i}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Dp.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(dc.copy(e.center).add(Dp)),this.expandByPoint(dc.copy(e.center).sub(Dp))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){retur