=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this}clone(){return new this.constructor().copy(this)}toJSON(){let t={};if(this.intensity!==1)t.intensity=this.intensity;if(this.bias!==0)t.bias=this.bias;if(this.normalBias!==0)t.normalBias=this.normalBias;if(this.radius!==1)t.radius=this.radius;if(this.mapSize.x!==512||this.mapSize.y!==512)t.mapSize=this.mapSize.toArray();return t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}var Db=new ie,_c=new C,Sm=new C;class kE extends OU{constructor(){super(new xn(90,1,0.5,500));this.isPointLightShadow=!0,this._frameExtents=new Nt(4,2),this._viewportCount=6,this._viewports=[new Le(2,1,1,1),new Le(0,1,1,1),new Le(3,1,1,1),new Le(1,1,1,1),new Le(3,0,1,1),new Le(1,0,1,1)],this._cubeDirections=[new C(1,0,0),new C(-1,0,0),new C(0,0,1),new C(0,0,-1),new C(0,1,0),new C(0,-1,0)],this._cubeUps=[new C(0,1,0),new C(0,1,0),new C(0,1,0),new C(0,1,0),new C(0,0,1),new C(0,0,-1)]}updateMatrices(t,e=0){let n=this.camera,i=this.matrix,s=t.distance||n.far;if(s!==n.far)n.far=s,n.updateProjectionMatrix();_c.setFromMatrixPosition(t.matrixWorld),n.position.copy(_c),Sm.copy(n.position),Sm.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(Sm),n.updateMatrixWorld(),i.makeTranslation(-_c.x,-_c.y,-_c.z),Db.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Db,n.coordinateSystem,n.reversedDepth)}}class On extends Vc{constructor(t,e,n=0,i=2){super(t,e);this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new kE}get power(){return this.intensity*4*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}class Xf extends If{constructor(t=-1,e=1,n=1,i=-1,s=0.1,a=2000){super();this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=s,this.far=a,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=t.view===null?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,s,a){if(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.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2,s=n-t,a=n+t,r=i+e,o=i-e;if(this.view!==null&&this.view.enabled){let l=(this.right-this.left)/this.view.fullWidth/this.zoom,c=(this.top-this.bottom)/this.view.fullHeight/this.zoom;s+=l*this.view.offsetX,a=s+l*this.view.width,r-=c*this.view.offsetY,o=r-c*this.view.height}this.projectionMatrix.makeOrthographic(s,a,r,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){let e=super.toJSON(t);if(e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,this.view!==null)e.object.view=Object.assign({},this.view);return e}}class VE extends OU{constructor(){super(new Xf(-5,5,5,-5,0.5,500));this.isDirectionalLightShadow=!0}}class tl extends Vc{constructor(t,e){super(t,e);this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Ne.DEFAULT_UP),this.updateMatrix(),this.target=new Ne,this.shadow=new VE}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}class zU extends xn{constructor(t=[]){super();this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}var kU="\\[\\]\\.:\\/",kS=new RegExp("["+kU+"]","g"),VU="[^"+kU+"]",VS="[^"+kU.replace("\\.","")+"]",XS=/((?:WC+[\/:])*)/.source.replace("WC",VU),GS=/(WCOD+)?/.source.replace("WCOD",VS),$S=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",VU),JS=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",VU),WS=new RegExp("^"+XS+GS+$S+JS+"$"),YS=["material","materials","bones","map"];class XE{constructor(t,e,n){let i=n||Se.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();let n=this._targetGroup.nCachedObjects_,i=this._bindings[n];if(i!==void 0)i.getValue(t,e)}setValue(t,e){let n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,s=n.length;i!==s;++i)n[i].setValue(t,e)}bind(){let t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()}unbind(){let t=this._bin