RefractionMapping:yi,EquirectangularReflectionMapping:Kr,EquirectangularRefractionMapping:Qr,CubeUVReflectionMapping:Vs},gf={RepeatWrapping:dr,ClampToEdgeWrapping:tn,MirroredRepeatWrapping:fr},_f={NearestFilter:Ee,NearestMipmapNearestFilter:Nu,NearestMipmapLinearFilter:ks,LinearFilter:ve,LinearMipmapNearestFilter:jr,LinearMipmapLinearFilter:Vn},Qc=new WeakMap,Bh=class extends He{constructor(t){super(t),this.isImageBitmapLoader=!0,typeof createImageBitmap>"u"&&ut("ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch>"u"&&ut("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,n,i){t===void 0&&(t=""),this.path!==void 0&&(t=this.path+t),t=this.manager.resolveURL(t);let r=this,a=Ln.get(`image-bitmap:${t}`);if(a!==void 0){if(r.manager.itemStart(t),a.then){a.then(c=>{Qc.has(a)===!0?(i&&i(Qc.get(a)),r.manager.itemError(t),r.manager.itemEnd(t)):(e&&e(c),r.manager.itemEnd(t))});return}setTimeout(function(){e&&e(a),r.manager.itemEnd(t)},0);return}let o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader,o.signal=typeof AbortSignal.any=="function"?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;let l=fetch(t,o).then(function(c){return c.blob()}).then(function(c){return createImageBitmap(c,Object.assign({},r.options,{colorSpaceConversion:"none"}))}).then(function(c){return Ln.add(`image-bitmap:${t}`,c),e&&e(c),r.manager.itemEnd(t),c}).catch(function(c){i&&i(c),Qc.set(l,c),Ln.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});Ln.add(`image-bitmap:${t}`,l),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}},Za,Zr=class{static getContext(){return Za===void 0&&(Za=new(window.AudioContext||window.webkitAudioContext)),Za}static setContext(t){Za=t}},zh=class extends He{constructor(t){super(t)}load(t,e,n,i){let r=this,a=new En(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(l){try{let c=l.slice(0),h=Zr.getContext(),d=t+"#decode";r.manager.itemStart(d),h.decodeAudioData(c,function(u){e(u),r.manager.itemEnd(d)}).catch(function(u){o(u),r.manager.itemEnd(d)})}catch(c){o(c)}},n,i);function o(l){i?i(l):Lt(l),r.manager.itemError(t)}}},xf=new Wt,vf=new Wt,Ii=new Wt,Vh=class{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Re,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Re,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){let e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Ii.copy(t.projectionMatrix);let i=e.eyeSep/2,r=i*e.near/e.focus,a=e.near*Math.tan(Bi*e.fov*.5)/e.zoom,o,l;vf.elements[12]=-i,xf.elements[12]=i,o=-a*e.aspect+r,l=a*e.aspect+r,Ii.elements[0]=2*e.near/(l-o),Ii.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(Ii),o=-a*e.aspect-r,l=a*e.aspect-r,Ii.elements[0]=2*e.near/(l-o),Ii.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(Ii)}this.cameraL.matrix.copy(t.matrixWorld).multiply(vf),this.cameraL.matrixWorldNeedsUpdate=!0,this.cameraR.matrix.copy(t.matrixWorld).multiply(xf),this.cameraR.matrixWorldNeedsUpdate=!0}},_s=-90,xs=1,_l=class extends re{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;let i=new Re(_s,xs,t,e);i.layers=this.layers,this.add(i);let r=new Re(_s,xs,t,e);r.layers=this.layers,this.add(r);let a=new Re(_s,xs,t,e);a.layers=this.layers,this.add(a);let o=new Re(_s,xs,t,e);o.layers=this.layers,this.add(o);let l=new Re(_s,xs,t,e);l.layers=this.layers,this.add(l);let c=new Re(_s,xs,t,e);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let t=this.coordinateSystem,e=this.children.concat(),[n,i,r,a,o,l]=e;for(let c of e)this.remove(c);if(t===ln)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(t===zi)n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);for(let c of e)this.add(c),c.updateMatrixWorld()}update(t,e){this.parent===null&&this.updateMa