!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,t!==void 0)this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=fr(t.uniforms),this.uniformsGroups=DS(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){let e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(let i in this.uniforms){let a=this.uniforms[i].value;if(a&&a.isTexture)e.uniforms[i]={type:"t",value:a.toJSON(t).uuid};else if(a&&a.isColor)e.uniforms[i]={type:"c",value:a.getHex()};else if(a&&a.isVector2)e.uniforms[i]={type:"v2",value:a.toArray()};else if(a&&a.isVector3)e.uniforms[i]={type:"v3",value:a.toArray()};else if(a&&a.isVector4)e.uniforms[i]={type:"v4",value:a.toArray()};else if(a&&a.isMatrix3)e.uniforms[i]={type:"m3",value:a.toArray()};else if(a&&a.isMatrix4)e.uniforms[i]={type:"m4",value:a.toArray()};else e.uniforms[i]={value:a}}if(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;let n={};for(let i in this.extensions)if(this.extensions[i]===!0)n[i]=!0;if(Object.keys(n).length>0)e.extensions=n;return e}}class If extends Ne{constructor(){super();this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ie,this.projectionMatrix=new ie,this.projectionMatrixInverse=new ie,this.coordinateSystem=2000,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}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)}}var ya=new C,vb=new Nt,yb=new Nt;class xn extends If{constructor(t=50,e=1,n=0.1,i=2000){super();this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=t.view===null?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){let e=0.5*this.getFilmHeight()/t;this.fov=ff*2*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){let t=Math.tan(em*0.5*this.fov);return 0.5*this.getFilmHeight()/t}getEffectiveFOV(){return ff*2*Math.atan(Math.tan(em*0.5*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){ya.set(-1,-1,0.5).applyMatrix4(this.projectionMatrixInverse),e.set(ya.x,ya.y).multiplyScalar(-t/ya.z),ya.set(1,1,0.5).applyMatrix4(this.projectionMatrixInverse),n.set(ya.x,ya.y).multiplyScalar(-t/ya.z)}getViewSize(t,e){return this.getViewBounds(t,vb,yb),e.subVectors(yb,vb)}setViewOffset(t,e,n,i,s,a){if(this.aspect=t/e,this.view===null)this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1};this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){if(this.view!==null)this.view.enabled=!1;this.updateProjectionMatrix()}updateProjectionMatrix(){let t=this.near,e=t*Math.tan(em*0.5*this.fov)/this.zoom,n=2*e,i=this.aspect*n,s=-0.5*i,a=this.view;if(this.view!==null&&this.view.enabled){let{fullWidth:o,fullHeight:l}=a;s+=a.offsetX*i/o,e-=a.offsetY*n/l,i*=a.width/o,n*=a.height/l}let r=this.filmOffset;if(r!==0)s+=t*r/this.getFilmWidth();this.projectionMatrix.makePerspective(s,s+i,e,e-n,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){let e=super.toJSON(t);if(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,this.view!==null)e.object.view=Object.assign({},this.view);return e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}var Ro=-90,wo=1;class MU extends Ne{constructor(t,e,n){super();this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,th