threepipe/dist/index.js

A modern 3D viewer framework built on top of three.js, written in TypeScript, designed to make creating high-quality, modular, and extensible 3D experiences on the web simple and enjoyable.

(function(d,Fu){typeof exports=="object"&&typeof module<"u"?Fu(exports):typeof define=="function"&&define.amd?define(["exports"],Fu):(d=typeof globalThis<"u"?globalThis:d||self,Fu(d.threepipe={}))})(this,function(d){"use strict";/**
 * @license
 * threepipe v0.0.58
 * 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 Xr,kn,Go,yr,Pa,Rc,zo,Da,Lc,Fc;const 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vt().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),Ku={[Pt]:{transfer:ju,primaries:qu,toReference:r=>r,fromReference:r=>r},[ft]:{transfer:pi,primaries:qu,toReference:r=>r.convertSRGBToLinear(),fromReference:r=>r.convertLinearToSRGB()},[zc]:{transfer:ju,primaries:Xu,toReference:r=>r.applyMatrix3(l_),fromReference:r=>r.applyMatrix3(o_)},[Gc]:{transfer:pi,primaries:Xu,toReference:r=>r.convertSRGBToLinear().applyMatrix3(l_),fromReference:r=>r.applyMatrix3(o_).convertLinearToSRGB()}},jT=new Set([Pt,zc]),Lt={enabled:!0,_workingColorSpace:Pt,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(r){if(!jT.has(r))throw new Error(`Unsupported working color space, "${r}".`);this._workingColorSpace=r},convert:function(r,e,t){if(this.enabled===!1||e===t||!e||!t)return r;const i=Ku[e].toReference,n=Ku[t].fromReference;return n(i(r))},fromWorkingColorSpace:function(r,e){return this.convert(r,this._workingColorSpace,e)},toWorkingColorSpace:function(r,e){return this.convert(r,e,this._workingColorSpace)},getPrimaries:function(r){return Ku[r].primaries},getTransfer:function(r){return r===qt||r===ps?ju:Ku[r].transfer}};function ol(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function Gm(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}let ll;class Ju{static getDataURL(e,t=!1){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let i;if(e instanceof HTMLCanvasElement)i=e;else{ll===void 0&&(ll=Hc("canvas")),ll.width=e.width,ll.height=e.height;const n=ll.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),i=ll}return!t&&(i.width>2048||i.height>2048)?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),i.toDataURL("image/jpeg",.6)):i.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=Hc("canvas");t.width=e.width,t.height=e.height;const i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);const n=i.getImageData(0,0,e.width,e.height),s=n.data;for(let a=0;a<s.length;a++)s[a]=ol(s[a]/255)*255;return i.putImageData(n,0,0),t}else if(e.data){const t=e.data.slice(0);for(let i=0;i<t.length;i++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[i]=Math.floor(ol(t[i]/255)*255):t[i]=ol(t[i]);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 qT=0;class Cr{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:qT++}),this.uuid=Zn(),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 i={uuid:this.uuid,url:""},n=this.data;if(n!==null){let s;if(Array.isArray(n)){s=[];for(let a=0,o=n.length;a<o;a++)n[a].isDataTexture?s.push(zm(n[a].image)):s.push(zm(n[a]))}else s=zm(n);i.url=s}return t||(e.images[this.uuid]=i),i}}function zm(r){if(typeof HTMLImageElement<"u"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&r instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&r instanceof ImageBitmap)return Ju.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 XT=0;class Dt extends mi{constructor(e=Dt.DEFAULT_IMAGE,t=Dt.DEFAULT_MAPPING,i=ii,n=ii,s=it,a=Pn,o=$t,l=kt,c=Dt.DEFAULT_ANISOTROPY,h=qt){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:XT++}),this.uuid=Zn(),this.name="",this.source=new Cr(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=i,this.wrapT=n,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new te(0,0),this.repeat=new te(1,1),this.center=new te(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new vt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,typeof h=="string"?this.colorSpace=h:(Wc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=h===ea?ft:qt),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1,e instanceof ImageData&&e!==Dt.DEFAULT_IMAGE&&(this.needsUpdate=!0)}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=c_(this.userData,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 i={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===ft?ea:Bm,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&&(i.userData=c_({},this.userData)),!t&&e.textures&&(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==Nc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case fn:e.x=e.x-Math.floor(e.x);break;case ii:e.x=e.x<0?0:1;break;case Er: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 fn:e.y=e.y-Math.floor(e.y);break;case ii:e.y=e.y<0?0:1;break;case Er: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 Wc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===ft?ea:Bm}set encoding(e){Wc("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===ea?ft:qt}}Dt.DEFAULT_IMAGE=null,Dt.DEFAULT_MAPPING=Nc,Dt.DEFAULT_ANISOTROPY=1;const YT=["appliedMaterials","uuid"];function c_(r,e){if(e)for(const t of Object.keys(e))YT.includes(t)||t.startsWith("__")||typeof r[t]=="function"||typeof e[t]=="function"||(r[t]=typeof e[t]=="object"?JSON.parse(JSON.stringify(e[t])):e[t]);return r}class st{constructor(e=0,t=0,i=0,n=1){st.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,this.w=n}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,i,n){return this.x=e,this.y=t,this.z=i,this.w=n,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,i=this.y,n=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*n+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*n+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*n+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*n+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,i,n,s;const l=e.elements,c=l[0],h=l[4],u=l[8],f=l[1],p=l[5],m=l[9],y=l[2],A=l[6],g=l[10];if(Math.abs(h-f)<.01&&Math.abs(u-y)<.01&&Math.abs(m-A)<.01){if(Math.abs(h+f)<.1&&Math.abs(u+y)<.1&&Math.abs(m+A)<.1&&Math.abs(c+p+g-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const v=(c+1)/2,w=(p+1)/2,x=(g+1)/2,E=(h+f)/4,M=(u+y)/4,C=(m+A)/4;return v>w&&v>x?v<.01?(i=0,n=.707106781,s=.707106781):(i=Math.sqrt(v),n=E/i,s=M/i):w>x?w<.01?(i=.707106781,n=0,s=.707106781):(n=Math.sqrt(w),i=E/n,s=C/n):x<.01?(i=.707106781,n=.707106781,s=0):(s=Math.sqrt(x),i=M/s,n=C/s),this.set(i,n,s,t),this}let _=Math.sqrt((A-m)*(A-m)+(u-y)*(u-y)+(f-h)*(f-h));return Math.abs(_)<.001&&(_=1),this.x=(A-m)/_,this.y=(u-y)/_,this.z=(f-h)/_,this.w=Math.acos((c+p+g-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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}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(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,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,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 h_ extends mi{constructor(e=1,t=1,i={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new st(0,0,e,t),this.scissorTest=!1,this.viewport=new st(0,0,e,t);const n={width:e,height:t,depth:1};i.encoding!==void 0&&(Wc("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),i.colorSpace=i.encoding===ea?ft:qt),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:it,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0},i),this.texture=new Dt(n,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=i.generateMipmaps,this.texture.internalFormat=i.internalFormat,this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.depthTexture=i.depthTexture,this.samples=i.samples}setSize(e,t,i=1){(this.width!==e||this.height!==t||this.depth!==i)&&(this.width=e,this.height=t,this.depth=i,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=i,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 Cr(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Dn extends h_{constructor(e=1,t=1,i={}){super(e,t,i),this.isWebGLRenderTarget=!0}}class Zu extends Dt{constructor(e=null,t=1,i=1,n=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=fi,this.minFilter=fi,this.wrapR=ii,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class $T extends Dn{constructor(e=1,t=1,i=1,n={}){super(e,t,n),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new Zu(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class ed extends Dt{constructor(e=null,t=1,i=1,n=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=fi,this.minFilter=fi,this.wrapR=ii,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class KT extends Dn{constructor(e=1,t=1,i=1,n={}){super(e,t,n),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new ed(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class u_ extends Dn{constructor(e=1,t=1,i=1,n={}){super(e,t,n),this.isWebGLMultipleRenderTargets=!0;const s=this.texture;this.texture=[];for(let a=0;a<i;a++)this.texture[a]=s.clone(),this.texture[a].isRenderTargetTexture=!0}setSize(e,t,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let n=0,s=this.texture.length;n<s;n++)this.texture[n].image.width=e,this.texture[n].image.height=t,this.texture[n].image.depth=i;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}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,i=e.texture.length;t<i;t++)this.texture[t]=e.texture[t].clone(),this.texture[t].isRenderTargetTexture=!0;return this}}class $e{constructor(e=0,t=0,i=0,n=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=i,this._w=n}static slerpFlat(e,t,i,n,s,a,o){let l=i[n+0],c=i[n+1],h=i[n+2],u=i[n+3];const f=s[a+0],p=s[a+1],m=s[a+2],y=s[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u;return}if(o===1){e[t+0]=f,e[t+1]=p,e[t+2]=m,e[t+3]=y;return}if(u!==y||l!==f||c!==p||h!==m){let A=1-o;const g=l*f+c*p+h*m+u*y,_=g>=0?1:-1,v=1-g*g;if(v>Number.EPSILON){const x=Math.sqrt(v),E=Math.atan2(x,g*_);A=Math.sin(A*E)/x,o=Math.sin(o*E)/x}const w=o*_;if(l=l*A+f*w,c=c*A+p*w,h=h*A+m*w,u=u*A+y*w,A===1-o){const x=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=x,c*=x,h*=x,u*=x}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,i,n,s,a){const o=i[n],l=i[n+1],c=i[n+2],h=i[n+3],u=s[a],f=s[a+1],p=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*p-c*f,e[t+1]=l*m+h*f+c*u-o*p,e[t+2]=c*m+h*p+o*f-l*u,e[t+3]=h*m-o*u-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,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,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=!0){const i=e._x,n=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),h=o(n/2),u=o(s/2),f=l(i/2),p=l(n/2),m=l(s/2);switch(a){case"XYZ":this._x=f*h*u+c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u-f*p*m;break;case"YXZ":this._x=f*h*u+c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u+f*p*m;break;case"ZXY":this._x=f*h*u-c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u-f*p*m;break;case"ZYX":this._x=f*h*u-c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u+f*p*m;break;case"YZX":this._x=f*h*u+c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u-f*p*m;break;case"XZY":this._x=f*h*u-c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u+f*p*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,i=t[0],n=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],f=i+o+u;if(f>0){const p=.5/Math.sqrt(f+1);this._w=.25/p,this._x=(h-l)*p,this._y=(s-c)*p,this._z=(a-n)*p}else if(i>o&&i>u){const p=2*Math.sqrt(1+i-o-u);this._w=(h-l)/p,this._x=.25*p,this._y=(n+a)/p,this._z=(s+c)/p}else if(o>u){const p=2*Math.sqrt(1+o-i-u);this._w=(s-c)/p,this._x=(n+a)/p,this._y=.25*p,this._z=(l+h)/p}else{const p=2*Math.sqrt(1+u-i-o);this._w=(a-n)/p,this._x=(s+c)/p,this._y=(l+h)/p,this._z=.25*p}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return i<Number.EPSILON?(i=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(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=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Pi(this.dot(e),-1,1)))}rotateTowards(e,t){const i=this.angleTo(e);if(i===0)return this;const n=Math.min(1,t/i);return this.slerp(e,n),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 i=e._x,n=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=i*h+a*o+n*c-s*l,this._y=n*h+a*l+s*o-i*c,this._z=s*h+a*c+i*l-n*o,this._w=a*h-i*o-n*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const i=this._x,n=this._y,s=this._z,a=this._w;let o=a*e._w+i*e._x+n*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=i,this._y=n,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*i+t*this._x,this._y=p*n+t*this._y,this._z=p*s+t*this._z,this.normalize(),this}const c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,f=Math.sin(t*h)/c;return this._w=a*u+this._w*f,this._x=i*u+this._x*f,this._y=n*u+this._y*f,this._z=s*u+this._z*f,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){const e=Math.random(),t=Math.sqrt(1-e),i=Math.sqrt(e),n=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(n),i*Math.sin(s),i*Math.cos(s),t*Math.sin(n))}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._onChangeCallback(),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 T{constructor(e=0,t=0,i=0){T.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,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(d_.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(d_.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,i=this.y,n=this.z,s=e.elements;return this.x=s[0]*t+s[3]*i+s[6]*n,this.y=s[1]*t+s[4]*i+s[7]*n,this.z=s[2]*t+s[5]*i+s[8]*n,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,i=this.y,n=this.z,s=e.elements,a=1/(s[3]*t+s[7]*i+s[11]*n+s[15]);return this.x=(s[0]*t+s[4]*i+s[8]*n+s[12])*a,this.y=(s[1]*t+s[5]*i+s[9]*n+s[13])*a,this.z=(s[2]*t+s[6]*i+s[10]*n+s[14])*a,this}applyQuaternion(e){const t=this.x,i=this.y,n=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=2*(a*n-o*i),h=2*(o*t-s*n),u=2*(s*i-a*t);return this.x=t+l*c+a*u-o*h,this.y=i+l*h+o*c-s*u,this.z=n+l*u+s*h-a*c,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,i=this.y,n=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*n,this.y=s[1]*t+s[5]*i+s[9]*n,this.z=s[2]*t+s[6]*i+s[10]*n,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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}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(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,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const i=e.x,n=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=n*l-s*o,this.y=s*a-i*l,this.z=i*o-n*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return Qm.copy(this).projectOnVector(e),this.sub(Qm)}reflect(e){return this.sub(Qm.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 i=this.dot(e)/t;return Math.acos(Pi(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y,n=this.z-e.z;return t*t+i*i+n*n}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,i){const n=Math.sin(t)*e;return this.x=n*Math.sin(i),this.y=Math.cos(t)*e,this.z=n*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,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(),i=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=n,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,i=Math.sqrt(1-e**2);return this.x=i*Math.cos(t),this.y=i*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Qm=new T,d_=new $e;class Hi{constructor(e=new T(1/0,1/0,1/0),t=new T(-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,i=e.length;t<i;t+=3)this.expandByPoint(Us.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,i=e.count;t<i;t++)this.expandByPoint(Us.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const i=Us.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),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){e.updateWorldMatrix(!1,!1);const i=e.geometry;if(i!==void 0){const s=i.getAttribute("position");if(t===!0&&s!==void 0&&e.isInstancedMesh!==!0)for(let a=0,o=s.count;a<o;a++)e.isMesh===!0?e.getVertexPosition(a,Us):Us.fromBufferAttribute(s,a),Us.applyMatrix4(e.matrixWorld),this.expandByPoint(Us);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),td.copy(e.boundingBox)):(i.boundingBox===null&&i.computeBoundingBox(),td.copy(i.boundingBox)),td.applyMatrix4(e.matrixWorld),this.union(td)}const n=e.children;for(let s=0,a=n.length;s<a;s++)this.expandByObject(n[s],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,Us),Us.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(jc),id.subVectors(this.max,jc),cl.subVectors(e.a,jc),hl.subVectors(e.b,jc),ul.subVectors(e.c,jc),ta.subVectors(hl,cl),ia.subVectors(ul,hl),Na.subVectors(cl,ul);let t=[0,-ta.z,ta.y,0,-ia.z,ia.y,0,-Na.z,Na.y,ta.z,0,-ta.x,ia.z,0,-ia.x,Na.z,0,-Na.x,-ta.y,ta.x,0,-ia.y,ia.x,0,-Na.y,Na.x,0];return!Vm(t,cl,hl,ul,id)||(t=[1,0,0,0,1,0,0,0,1],!Vm(t,cl,hl,ul,id))?!1:(nd.crossVectors(ta,ia),t=[nd.x,nd.y,nd.z],Vm(t,cl,hl,ul,id))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Us).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Us).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:(xr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),xr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),xr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),xr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),xr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),xr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),xr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),xr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(xr),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 xr=[new T,new T,new T,new T,new T,new T,new T,new T],Us=new T,td=new Hi,cl=new T,hl=new T,ul=new T,ta=new T,ia=new T,Na=new T,jc=new T,id=new T,nd=new T,ka=new T;function Vm(r,e,t,i,n){for(let s=0,a=r.length-3;s<=a;s+=3){ka.fromArray(r,s);const o=n.x*Math.abs(ka.x)+n.y*Math.abs(ka.y)+n.z*Math.abs(ka.z),l=e.dot(ka),c=t.dot(ka),h=i.dot(ka);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}const JT=new Hi,qc=new T,Hm=new T;class Wi{constructor(e=new T,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const i=this.center;t!==void 0?i.copy(t):JT.setFromPoints(e).getCenter(i);let n=0;for(let s=0,a=e.length;s<a;s++)n=Math.max(n,i.distanceToSquared(e[s]));return this.radius=Math.sqrt(n),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 i=this.center.distanceToSquared(e);return t.copy(e),i>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;qc.subVectors(e,this.center);const t=qc.lengthSq();if(t>this.radius*this.radius){const i=Math.sqrt(t),n=(i-this.radius)*.5;this.center.addScaledVector(qc,n/i),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius