diff --git a/build/three.js b/build/three.js
index 2ac966ee350541e248d6179e50cceb753a5473ce..5bc306b7327798b35861e155d955ddf49d71dd64 100644
--- a/build/three.js
+++ b/build/three.js
@@ -21277,7 +21277,7 @@
 	var cameraRPos = new Vector3();
 
 	/**
-	 * Assumes 2 cameras that are perpendicular and share an X-axis, and that
+	 * Assumes 2 cameras that are parallel and share an X-axis, and that
 	 * the cameras' projection and world matrices have already been set.
 	 * And that near and far planes are identical for both cameras.
 	 */
@@ -21299,22 +21299,22 @@
 
 		var leftFovL = ( projL[ 8 ] - 1 ) / projL[ 0 ];
 		var rightFovR = ( projR[ 8 ] + 1 ) / projR[ 0 ];
-		var leftL = leftFovL * near;
-		var rightR = rightFovR * near;
+		var leftL = near * leftFovL;
+		var rightR = near * rightFovR;
 		var topL = near * ( projL[ 9 ] + 1 ) / projL[ 5 ];
 		var topR = near * ( projR[ 9 ] + 1 ) / projR[ 5 ];
 		var bottomL = near * ( projL[ 9 ] - 1 ) / projL[ 5 ];
 		var bottomR = near * ( projR[ 9 ] - 1 ) / projR[ 5 ];
 
 		// Calculate the new camera's position offset from the
-		// left camera.
-		var zOffset = ipd / ( leftFovL - rightFovR );
-		var xOffset = zOffset * leftFovL;
+		// left camera. xOffset should be roughly half `ipd`.
+		var zOffset = ipd / ( - leftFovL + rightFovR );
+		var xOffset = zOffset * - leftFovL;
 
 		// TODO: Better way to apply this offset?
 		cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );
 		camera.translateX( xOffset );
-		camera.translateZ( - zOffset * 2 );
+		camera.translateZ( zOffset );
 		camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );
 		camera.matrixWorldInverse.getInverse( camera.matrixWorld );
 
@@ -36946,10 +36946,10 @@
 		this.zoom = 1;
 		this.view = null;
 
-		this.left = left;
-		this.right = right;
-		this.top = top;
-		this.bottom = bottom;
+		this.left = ( left !== undefined ) ? left : - 1;
+		this.right = ( right !== undefined ) ? right : 1;
+		this.top = ( top !== undefined ) ? top : 1;
+		this.bottom = ( bottom !== undefined ) ? bottom : - 1;
 
 		this.near = ( near !== undefined ) ? near : 0.1;
 		this.far = ( far !== undefined ) ? far : 2000;
diff --git a/build/three.min.js b/build/three.min.js
index 9ad0b38cfd18bbf5496d4f14e1f7cebb91bc7b23..9e4935732584dd247ebf857e9ef0c4576e3c0007 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -134,7 +134,7 @@ if(206===a)return 772;if(207===a)return 773;if(208===a)return 774;if(209===a)ret
 null!==d){if(35840===a)return d.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===a)return d.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===a)return d.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===a)return d.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===a&&(d=b.get("WEBGL_compressed_texture_etc1"),null!==d))return d.COMPRESSED_RGB_ETC1_WEBGL;if(37808===a||37809===a||37810===a||37811===a||37812===a||37813===a||37814===a||37815===a||37816===a||37817===a||37818===a||37819===a||37820===a||37821===a)if(d=b.get("WEBGL_compressed_texture_astc"),
 null!==d)return a;if(103===a||104===a){if(c.isWebGL2){if(103===a)return 32775;if(104===a)return 32776}d=b.get("EXT_blend_minmax");if(null!==d){if(103===a)return d.MIN_EXT;if(104===a)return d.MAX_EXT}}if(1020===a){if(c.isWebGL2)return 34042;d=b.get("WEBGL_depth_texture");if(null!==d)return d.UNSIGNED_INT_24_8_WEBGL}return 0}}}function Ob(){B.call(this);this.type="Group"}function Ra(){B.call(this);this.type="Camera";this.matrixWorldInverse=new P;this.projectionMatrix=new P;this.projectionMatrixInverse=
 new P}function V(a,b,c,d){Ra.call(this);this.type="PerspectiveCamera";this.fov=void 0!==a?a:50;this.zoom=1;this.near=void 0!==c?c:.1;this.far=void 0!==d?d:2E3;this.focus=10;this.aspect=void 0!==b?b:1;this.view=null;this.filmGauge=35;this.filmOffset=0;this.updateProjectionMatrix()}function Cc(a){V.call(this);this.cameras=a||[]}function df(a,b,c){ef.setFromMatrixPosition(b.matrixWorld);ff.setFromMatrixPosition(c.matrixWorld);var d=ef.distanceTo(ff),e=b.projectionMatrix.elements,f=c.projectionMatrix.elements;
-c=e[14]/(e[10]-1);var g=e[14]/(e[10]+1),h=(e[8]-1)/e[0],k=(f[8]+1)/f[0],m=h*c,r=k*c,n=c*(e[9]+1)/e[5],q=c*(f[9]+1)/f[5];e=c*(e[9]-1)/e[5];f=c*(f[9]-1)/f[5];k=d/(h-k);h*=k;b.matrixWorld.decompose(a.position,a.quaternion,a.scale);a.translateX(h);a.translateZ(2*-k);a.matrixWorld.compose(a.position,a.quaternion,a.scale);a.matrixWorldInverse.getInverse(a.matrixWorld);a.projectionMatrix.makePerspective(m-h,r+(d-h),Math.max(n,q),Math.min(e,f),c+k,g+k)}function gf(a){function b(){return null!==e&&!0===e.isPresenting}
+c=e[14]/(e[10]-1);var g=e[14]/(e[10]+1),h=(e[8]-1)/e[0],k=(f[8]+1)/f[0],m=c*h,r=c*k,n=c*(e[9]+1)/e[5],q=c*(f[9]+1)/f[5];e=c*(e[9]-1)/e[5];f=c*(f[9]-1)/f[5];k=d/(-h+k);h=k*-h;b.matrixWorld.decompose(a.position,a.quaternion,a.scale);a.translateX(h);a.translateZ(k);a.matrixWorld.compose(a.position,a.quaternion,a.scale);a.matrixWorldInverse.getInverse(a.matrixWorld);a.projectionMatrix.makePerspective(m-h,r+(d-h),Math.max(n,q),Math.min(e,f),c+k,g+k)}function gf(a){function b(){return null!==e&&!0===e.isPresenting}
 function c(){if(b()){var c=e.getEyeParameters("left"),f=c.renderWidth*r;c=c.renderHeight*r;H=a.getPixelRatio();v=a.getSize();a.setDrawingBufferSize(2*f,c,1);I.start()}else d.enabled&&a.setDrawingBufferSize(v.width,v.height,H),I.stop()}var d=this,e=null,f=null,g=null,h=[],k=new P,m=new P,r=1,n="stage";"undefined"!==typeof window&&"VRFrameData"in window&&(f=new window.VRFrameData,window.addEventListener("vrdisplaypresentchange",c,!1));var q=new P,w=new ja,l=new p,u=new V;u.bounds=new Z(0,0,.5,1);u.layers.enable(1);
 var x=new V;x.bounds=new Z(.5,0,.5,1);x.layers.enable(2);var y=new Cc([u,x]);y.layers.enable(1);y.layers.enable(2);var v,H,G=[];this.enabled=!1;this.getController=function(a){var b=h[a];void 0===b&&(b=new Ob,b.matrixAutoUpdate=!1,b.visible=!1,h[a]=b);return b};this.getDevice=function(){return e};this.setDevice=function(a){void 0!==a&&(e=a);I.setContext(a)};this.setFramebufferScaleFactor=function(a){r=a};this.setFrameOfReferenceType=function(a){n=a};this.setPoseTarget=function(a){void 0!==a&&(g=a)};
 this.getCamera=function(a){var b="stage"===n?1.6:0;if(null===e)return a.position.set(0,b,0),a;e.depthNear=a.near;e.depthFar=a.far;e.getFrameData(f);if("stage"===n){var c=e.stageParameters;c?k.fromArray(c.sittingToStandingTransform):k.makeTranslation(0,b,0)}b=f.pose;c=null!==g?g:a;c.matrix.copy(k);c.matrix.decompose(c.position,c.quaternion,c.scale);null!==b.orientation&&(w.fromArray(b.orientation),c.quaternion.multiply(w));null!==b.position&&(w.setFromRotationMatrix(k),l.fromArray(b.position),l.applyQuaternion(w),
@@ -275,138 +275,139 @@ b,c,d,e){var f=1-a,g=1-a;return f*f*f*b+3*g*g*a*c+3*(1-a)*a*a*d+a*a*a*e}function
 new p}function La(a,b,c){Q.call(this);this.type="QuadraticBezierCurve";this.v0=a||new z;this.v1=b||new z;this.v2=c||new z}function Va(a,b,c){Q.call(this);this.type="QuadraticBezierCurve3";this.v0=a||new p;this.v1=b||new p;this.v2=c||new p}function Ma(a){Q.call(this);this.type="SplineCurve";this.points=a||[]}function ab(){Q.call(this);this.type="CurvePath";this.curves=[];this.autoClose=!1}function Na(a){ab.call(this);this.type="Path";this.currentPoint=new z;a&&this.setFromPoints(a)}function ib(a){Na.call(this,
 a);this.uuid=R.generateUUID();this.type="Shape";this.holes=[]}function ca(a,b){B.call(this);this.type="Light";this.color=new F(a);this.intensity=void 0!==b?b:1;this.receiveShadow=void 0}function Hd(a,b,c){ca.call(this,a,c);this.type="HemisphereLight";this.castShadow=void 0;this.position.copy(B.DefaultUp);this.updateMatrix();this.groundColor=new F(b)}function Hb(a){this.camera=a;this.bias=0;this.radius=1;this.mapSize=new z(512,512);this.map=null;this.matrix=new P}function Id(){Hb.call(this,new V(50,
 1,.5,500))}function Jd(a,b,c,d,e,f){ca.call(this,a,b);this.type="SpotLight";this.position.copy(B.DefaultUp);this.updateMatrix();this.target=new B;Object.defineProperty(this,"power",{get:function(){return this.intensity*Math.PI},set:function(a){this.intensity=a/Math.PI}});this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/3;this.penumbra=void 0!==e?e:0;this.decay=void 0!==f?f:1;this.shadow=new Id}function Kd(a,b,c,d){ca.call(this,a,b);this.type="PointLight";Object.defineProperty(this,"power",
-{get:function(){return 4*this.intensity*Math.PI},set:function(a){this.intensity=a/(4*Math.PI)}});this.distance=void 0!==c?c:0;this.decay=void 0!==d?d:1;this.shadow=new Hb(new V(90,1,.5,500))}function hd(a,b,c,d,e,f){Ra.call(this);this.type="OrthographicCamera";this.zoom=1;this.view=null;this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()}function Ld(){Hb.call(this,new hd(-5,5,5,-5,.5,500))}function Md(a,b){ca.call(this,
-a,b);this.type="DirectionalLight";this.position.copy(B.DefaultUp);this.updateMatrix();this.target=new B;this.shadow=new Ld}function Nd(a,b){ca.call(this,a,b);this.type="AmbientLight";this.castShadow=void 0}function Od(a,b,c,d){ca.call(this,a,b);this.type="RectAreaLight";this.width=void 0!==c?c:10;this.height=void 0!==d?d:10}function Pd(a){this.manager=void 0!==a?a:ta;this.textures={}}function ke(a){this.manager=void 0!==a?a:ta}function kc(){}function Qd(a){"boolean"===typeof a&&(console.warn("THREE.JSONLoader: showStatus parameter has been removed from constructor."),
-a=void 0);this.manager=void 0!==a?a:ta;this.withCredentials=!1}function le(a){this.manager=void 0!==a?a:ta;this.resourcePath=""}function me(a){"undefined"===typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported.");"undefined"===typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported.");this.manager=void 0!==a?a:ta;this.options=void 0}function ne(){this.type="ShapePath";this.color=new F;this.subPaths=[];this.currentPath=null}function oe(a){this.type=
-"Font";this.data=a}function tf(a){this.manager=void 0!==a?a:ta}function pe(a){this.manager=void 0!==a?a:ta}function uf(){this.type="StereoCamera";this.aspect=1;this.eyeSep=.064;this.cameraL=new V;this.cameraL.layers.enable(1);this.cameraL.matrixAutoUpdate=!1;this.cameraR=new V;this.cameraR.layers.enable(2);this.cameraR.matrixAutoUpdate=!1}function id(a,b,c,d){B.call(this);this.type="CubeCamera";var e=new V(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new p(1,0,0));this.add(e);var f=new V(90,1,a,b);f.up.set(0,
--1,0);f.lookAt(new p(-1,0,0));this.add(f);var g=new V(90,1,a,b);g.up.set(0,0,1);g.lookAt(new p(0,1,0));this.add(g);var h=new V(90,1,a,b);h.up.set(0,0,-1);h.lookAt(new p(0,-1,0));this.add(h);var k=new V(90,1,a,b);k.up.set(0,-1,0);k.lookAt(new p(0,0,1));this.add(k);var m=new V(90,1,a,b);m.up.set(0,-1,0);m.lookAt(new p(0,0,-1));this.add(m);d=d||{format:1022,magFilter:1006,minFilter:1006};this.renderTarget=new Jb(c,c,d);this.renderTarget.texture.name="CubeCamera";this.update=function(a,b){null===this.parent&&
-this.updateMatrixWorld();var c=this.renderTarget,d=c.texture.generateMipmaps;c.texture.generateMipmaps=!1;c.activeCubeFace=0;a.render(b,e,c);c.activeCubeFace=1;a.render(b,f,c);c.activeCubeFace=2;a.render(b,g,c);c.activeCubeFace=3;a.render(b,h,c);c.activeCubeFace=4;a.render(b,k,c);c.texture.generateMipmaps=d;c.activeCubeFace=5;a.render(b,m,c);a.setRenderTarget(null)};this.clear=function(a,b,c,d){for(var e=this.renderTarget,f=0;6>f;f++)e.activeCubeFace=f,a.setRenderTarget(e),a.clear(b,c,d);a.setRenderTarget(null)}}
-function qe(){B.call(this);this.type="AudioListener";this.context=re.getContext();this.gain=this.context.createGain();this.gain.connect(this.context.destination);this.filter=null}function lc(a){B.call(this);this.type="Audio";this.context=a.context;this.gain=this.context.createGain();this.gain.connect(a.getInput());this.autoplay=!1;this.buffer=null;this.loop=!1;this.offset=this.startTime=0;this.playbackRate=1;this.isPlaying=!1;this.hasPlaybackControl=!0;this.sourceType="empty";this.filters=[]}function se(a){lc.call(this,
-a);this.panner=this.context.createPanner();this.panner.connect(this.gain)}function te(a,b){this.analyser=a.context.createAnalyser();this.analyser.fftSize=void 0!==b?b:2048;this.data=new Uint8Array(this.analyser.frequencyBinCount);a.getOutput().connect(this.analyser)}function ue(a,b,c){this.binding=a;this.valueSize=c;a=Float64Array;switch(b){case "quaternion":b=this._slerp;break;case "string":case "bool":a=Array;b=this._select;break;default:b=this._lerp}this.buffer=new a(4*c);this._mixBufferRegion=
-b;this.referenceCount=this.useCount=this.cumulativeWeight=0}function vf(a,b,c){c=c||ua.parseTrackName(b);this._targetGroup=a;this._bindings=a.subscribe_(b,c)}function ua(a,b,c){this.path=b;this.parsedPath=c||ua.parseTrackName(b);this.node=ua.findNode(a,this.parsedPath.nodeName)||a;this.rootNode=a}function wf(){this.uuid=R.generateUUID();this._objects=Array.prototype.slice.call(arguments);this.nCachedObjects_=0;var a={};this._indicesByUUID=a;for(var b=0,c=arguments.length;b!==c;++b)a[arguments[b].uuid]=
-b;this._paths=[];this._parsedPaths=[];this._bindings=[];this._bindingsIndicesByPath={};var d=this;this.stats={objects:{get total(){return d._objects.length},get inUse(){return this.total-d.nCachedObjects_}},get bindingsPerObject(){return d._bindings.length}}}function xf(a,b,c){this._mixer=a;this._clip=b;this._localRoot=c||null;a=b.tracks;b=a.length;c=Array(b);for(var d={endingStart:2400,endingEnd:2400},e=0;e!==b;++e){var f=a[e].createInterpolant(null);c[e]=f;f.settings=d}this._interpolantSettings=
-d;this._interpolants=c;this._propertyBindings=Array(b);this._weightInterpolant=this._timeScaleInterpolant=this._byClipCacheIndex=this._cacheIndex=null;this.loop=2201;this._loopCount=-1;this._startTime=null;this.time=0;this._effectiveWeight=this.weight=this._effectiveTimeScale=this.timeScale=1;this.repetitions=Infinity;this.paused=!1;this.enabled=!0;this.clampWhenFinished=!1;this.zeroSlopeAtEnd=this.zeroSlopeAtStart=!0}function ve(a){this._root=a;this._initMemoryManager();this.time=this._accuIndex=
-0;this.timeScale=1}function Rd(a,b){"string"===typeof a&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),a=b);this.value=a}function we(){D.call(this);this.type="InstancedBufferGeometry";this.maxInstancedCount=void 0}function xe(a,b,c){sb.call(this,a,b);this.meshPerAttribute=c||1}function ye(a,b,c,d){"number"===typeof c&&(d=c,c=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument."));E.call(this,a,b,c);this.meshPerAttribute=
-d||1}function yf(a,b,c,d){this.ray=new rb(a,b);this.near=c||0;this.far=d||Infinity;this.params={Mesh:{},Line:{},LOD:{},Points:{threshold:1},Sprite:{}};Object.defineProperties(this.params,{PointCloud:{get:function(){console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points.");return this.Points}}})}function zf(a,b){return a.distance-b.distance}function ze(a,b,c,d){if(!1!==a.visible&&(a.raycast(b,c),!0===d)){a=a.children;d=0;for(var e=a.length;d<e;d++)ze(a[d],b,c,!0)}}function Af(a){this.autoStart=
-void 0!==a?a:!0;this.elapsedTime=this.oldTime=this.startTime=0;this.running=!1}function Bf(a,b,c){this.radius=void 0!==a?a:1;this.phi=void 0!==b?b:0;this.theta=void 0!==c?c:0;return this}function Cf(a,b,c){this.radius=void 0!==a?a:1;this.theta=void 0!==b?b:0;this.y=void 0!==c?c:0;return this}function Ae(a,b){this.min=void 0!==a?a:new z(Infinity,Infinity);this.max=void 0!==b?b:new z(-Infinity,-Infinity)}function Be(a,b){this.start=void 0!==a?a:new p;this.end=void 0!==b?b:new p}function jd(a){B.call(this);
-this.material=a;this.render=function(){}}function kd(a,b,c,d){this.object=a;this.size=void 0!==b?b:1;a=void 0!==c?c:16711680;d=void 0!==d?d:1;b=0;(c=this.object.geometry)&&c.isGeometry?b=3*c.faces.length:c&&c.isBufferGeometry&&(b=c.attributes.normal.count);c=new D;b=new A(6*b,3);c.addAttribute("position",b);S.call(this,c,new T({color:a,linewidth:d}));this.matrixAutoUpdate=!1;this.update()}function mc(a,b){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=
-!1;this.color=b;a=new D;b=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(var c=0,d=1;32>c;c++,d++){var e=c/32*Math.PI*2,f=d/32*Math.PI*2;b.push(Math.cos(e),Math.sin(e),1,Math.cos(f),Math.sin(f),1)}a.addAttribute("position",new A(b,3));b=new T({fog:!1});this.cone=new S(a,b);this.add(this.cone);this.update()}function Df(a){var b=[];a&&a.isBone&&b.push(a);for(var c=0;c<a.children.length;c++)b.push.apply(b,Df(a.children[c]));return b}function nc(a){for(var b=Df(a),c=new D,d=[],e=
-[],f=new F(0,0,1),g=new F(0,1,0),h=0;h<b.length;h++){var k=b[h];k.parent&&k.parent.isBone&&(d.push(0,0,0),d.push(0,0,0),e.push(f.r,f.g,f.b),e.push(g.r,g.g,g.b))}c.addAttribute("position",new A(d,3));c.addAttribute("color",new A(e,3));d=new T({vertexColors:2,depthTest:!1,depthWrite:!1,transparent:!0});S.call(this,c,d);this.root=a;this.bones=b;this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1}function oc(a,b,c){this.light=a;this.light.updateMatrixWorld();this.color=c;a=new wb(b,4,2);b=new Ea({wireframe:!0,
-fog:!1});pa.call(this,a,b);this.matrix=this.light.matrixWorld;this.matrixAutoUpdate=!1;this.update()}function pc(a,b){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=b;a=new T({fog:!1});b=new D;b.addAttribute("position",new E(new Float32Array(15),3));this.line=new ma(b,a);this.add(this.line);this.update()}function qc(a,b,c){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=
-!1;this.color=c;a=new tb(b);a.rotateY(.5*Math.PI);this.material=new Ea({wireframe:!0,fog:!1});void 0===this.color&&(this.material.vertexColors=2);b=a.getAttribute("position");b=new Float32Array(3*b.count);a.addAttribute("color",new E(b,3));this.add(new pa(a,this.material));this.update()}function ld(a,b,c,d){a=a||10;b=b||10;c=new F(void 0!==c?c:4473924);d=new F(void 0!==d?d:8947848);var e=b/2,f=a/b,g=a/2;a=[];for(var h=[],k=0,m=0,r=-g;k<=b;k++,r+=f){a.push(-g,0,r,g,0,r);a.push(r,0,-g,r,0,g);var n=
-k===e?c:d;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3}b=new D;b.addAttribute("position",new A(a,3));b.addAttribute("color",new A(h,3));c=new T({vertexColors:2});S.call(this,b,c)}function Sd(a,b,c,d,e,f){a=a||10;b=b||16;c=c||8;d=d||64;e=new F(void 0!==e?e:4473924);f=new F(void 0!==f?f:8947848);var g=[],h=[],k;for(k=0;k<=b;k++){var m=k/b*2*Math.PI;var r=Math.sin(m)*a;m=Math.cos(m)*a;g.push(0,0,0);g.push(r,0,m);var n=k&1?e:f;h.push(n.r,n.g,n.b);h.push(n.r,n.g,n.b)}for(k=
-0;k<=c;k++){n=k&1?e:f;var l=a-a/c*k;for(b=0;b<d;b++)m=b/d*2*Math.PI,r=Math.sin(m)*l,m=Math.cos(m)*l,g.push(r,0,m),h.push(n.r,n.g,n.b),m=(b+1)/d*2*Math.PI,r=Math.sin(m)*l,m=Math.cos(m)*l,g.push(r,0,m),h.push(n.r,n.g,n.b)}a=new D;a.addAttribute("position",new A(g,3));a.addAttribute("color",new A(h,3));g=new T({vertexColors:2});S.call(this,a,g)}function md(a,b,c,d){this.object=a;this.size=void 0!==b?b:1;a=void 0!==c?c:16776960;d=void 0!==d?d:1;b=0;(c=this.object.geometry)&&c.isGeometry?b=c.faces.length:
-console.warn("THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.");c=new D;b=new A(6*b,3);c.addAttribute("position",b);S.call(this,c,new T({color:a,linewidth:d}));this.matrixAutoUpdate=!1;this.update()}function rc(a,b,c){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=c;void 0===b&&(b=1);a=new D;a.addAttribute("position",new A([-b,b,0,b,b,0,b,-b,0,-b,-b,0,-b,b,0],3));b=new T({fog:!1});
-this.lightPlane=new ma(a,b);this.add(this.lightPlane);a=new D;a.addAttribute("position",new A([0,0,0,0,0,1],3));this.targetLine=new ma(a,b);this.add(this.targetLine);this.update()}function nd(a){function b(a,b,d){c(a,d);c(b,d)}function c(a,b){f.push(0,0,0);g.push(b.r,b.g,b.b);void 0===h[a]&&(h[a]=[]);h[a].push(f.length/3-1)}var d=new D,e=new T({color:16777215,vertexColors:1}),f=[],g=[],h={},k=new F(16755200),m=new F(16711680),r=new F(43775),n=new F(16777215),l=new F(3355443);b("n1","n2",k);b("n2",
-"n4",k);b("n4","n3",k);b("n3","n1",k);b("f1","f2",k);b("f2","f4",k);b("f4","f3",k);b("f3","f1",k);b("n1","f1",k);b("n2","f2",k);b("n3","f3",k);b("n4","f4",k);b("p","n1",m);b("p","n2",m);b("p","n3",m);b("p","n4",m);b("u1","u2",r);b("u2","u3",r);b("u3","u1",r);b("c","t",n);b("p","c",l);b("cn1","cn2",l);b("cn3","cn4",l);b("cf1","cf2",l);b("cf3","cf4",l);d.addAttribute("position",new A(f,3));d.addAttribute("color",new A(g,3));S.call(this,d,e);this.camera=a;this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix();
-this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.pointMap=h;this.update()}function bb(a,b){this.object=a;void 0===b&&(b=16776960);a=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]);var c=new Float32Array(24),d=new D;d.setIndex(new E(a,1));d.addAttribute("position",new E(c,3));S.call(this,d,new T({color:b}));this.matrixAutoUpdate=!1;this.update()}function od(a,b){this.type="Box3Helper";this.box=a;a=void 0!==b?b:16776960;b=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,
-4,1,5,2,6,3,7]);var c=new D;c.setIndex(new E(b,1));c.addAttribute("position",new A([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3));S.call(this,c,new T({color:a}));this.geometry.computeBoundingSphere()}function pd(a,b,c){this.type="PlaneHelper";this.plane=a;this.size=void 0===b?1:b;a=void 0!==c?c:16776960;b=new D;b.addAttribute("position",new A([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3));b.computeBoundingSphere();ma.call(this,b,new T({color:a}));b=new D;
-b.addAttribute("position",new A([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3));b.computeBoundingSphere();this.add(new pa(b,new Ea({color:a,opacity:.2,transparent:!0,depthWrite:!1})))}function cb(a,b,c,d,e,f){B.call(this);void 0===a&&(a=new THREE.Vector3(0,0,1));void 0===b&&(b=new THREE.Vector3(0,0,0));void 0===c&&(c=1);void 0===d&&(d=16776960);void 0===e&&(e=.2*c);void 0===f&&(f=.2*e);void 0===Td&&(Td=new D,Td.addAttribute("position",new A([0,0,0,0,1,0],3)),Ce=new $a(0,.5,1,5,1),Ce.translate(0,-.5,
-0));this.position.copy(b);this.line=new ma(Td,new T({color:d}));this.line.matrixAutoUpdate=!1;this.add(this.line);this.cone=new pa(Ce,new Ea({color:d}));this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(a);this.setLength(c,e,f)}function qd(a){a=a||1;var b=[0,0,0,a,0,0,0,0,0,0,a,0,0,0,0,0,0,a];a=new D;a.addAttribute("position",new A(b,3));a.addAttribute("color",new A([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));b=new T({vertexColors:2});S.call(this,a,b)}function Ef(a){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");
-ra.call(this,a);this.type="catmullrom";this.closed=!0}function Ff(a){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");ra.call(this,a);this.type="catmullrom"}function De(a){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.");ra.call(this,a);this.type="catmullrom"}void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Number.isInteger&&(Number.isInteger=function(a){return"number"===typeof a&&isFinite(a)&&Math.floor(a)===
-a});void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});!1==="name"in Function.prototype&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}});void 0===Object.assign&&function(){Object.assign=function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert undefined or null to object");for(var b=Object(a),c=1;c<arguments.length;c++){var d=arguments[c];if(void 0!==d&&null!==d)for(var e in d)Object.prototype.hasOwnProperty.call(d,
-e)&&(b[e]=d[e])}return b}}();Object.assign(ia.prototype,{addEventListener:function(a,b){void 0===this._listeners&&(this._listeners={});var c=this._listeners;void 0===c[a]&&(c[a]=[]);-1===c[a].indexOf(b)&&c[a].push(b)},hasEventListener:function(a,b){if(void 0===this._listeners)return!1;var c=this._listeners;return void 0!==c[a]&&-1!==c[a].indexOf(b)},removeEventListener:function(a,b){void 0!==this._listeners&&(a=this._listeners[a],void 0!==a&&(b=a.indexOf(b),-1!==b&&a.splice(b,1)))},dispatchEvent:function(a){if(void 0!==
-this._listeners){var b=this._listeners[a.type];if(void 0!==b){a.target=this;b=b.slice(0);for(var c=0,d=b.length;c<d;c++)b[c].call(this,a)}}}});var R={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){for(var a=[],b=0;256>b;b++)a[b]=(16>b?"0":"")+b.toString(16);return function(){var b=4294967295*Math.random()|0,d=4294967295*Math.random()|0,e=4294967295*Math.random()|0,f=4294967295*Math.random()|0;return(a[b&255]+a[b>>8&255]+a[b>>16&255]+a[b>>24&255]+"-"+a[d&255]+a[d>>8&255]+"-"+a[d>>
-16&15|64]+a[d>>24&255]+"-"+a[e&63|128]+a[e>>8&255]+"-"+a[e>>16&255]+a[e>>24&255]+a[f&255]+a[f>>8&255]+a[f>>16&255]+a[f>>24&255]).toUpperCase()}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c-b)},lerp:function(a,b,c){return(1-c)*a+c*b},smoothstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;
-a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(.5-Math.random())},degToRad:function(a){return a*R.DEG2RAD},radToDeg:function(a){return a*R.RAD2DEG},isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},ceilPowerOfTwo:function(a){return Math.pow(2,Math.ceil(Math.log(a)/Math.LN2))},floorPowerOfTwo:function(a){return Math.pow(2,Math.floor(Math.log(a)/
-Math.LN2))}};Object.defineProperties(z.prototype,{width:{get:function(){return this.x},set:function(a){this.x=a}},height:{get:function(){return this.y},set:function(a){this.y=a}}});Object.assign(z.prototype,{isVector2:!0,set:function(a,b){this.x=a;this.y=b;return this},setScalar:function(a){this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;default:throw Error("index is out of range: "+
-a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;return this},addScalar:function(a){this.x+=a;this.y+=a;return this},
-addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;return this},subScalar:function(a){this.x-=a;this.y-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},multiply:function(a){this.x*=a.x;this.y*=
-a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},divide:function(a){this.x/=a.x;this.y/=a.y;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},applyMatrix3:function(a){var b=this.x,c=this.y;a=a.elements;this.x=a[0]*b+a[3]*c+a[6];this.y=a[1]*b+a[4]*c+a[7];return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);return this},clamp:function(a,
-b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));return this},clampScalar:function(){var a=new z,b=new z;return function(c,d){a.set(c,c);b.set(d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this},round:function(){this.x=
-Math.round(this.x);this.y=Math.round(this.y);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*a.x+this.y*a.y},cross:function(a){return this.x*a.y-this.y*a.x},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},manhattanLength:function(){return Math.abs(this.x)+
-Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=
-(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);
-return this},rotateAround:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=this.x-a.x,e=this.y-a.y;this.x=d*c-e*b+a.x;this.y=d*b+e*c+a.y;return this}});Object.assign(P.prototype,{isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,k,m,r,l,q,p,t,u){var n=this.elements;n[0]=a;n[4]=b;n[8]=c;n[12]=d;n[1]=e;n[5]=f;n[9]=g;n[13]=h;n[2]=k;n[6]=m;n[10]=r;n[14]=l;n[3]=q;n[7]=p;n[11]=t;n[15]=u;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},clone:function(){return(new P).fromArray(this.elements)},
-copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15];return this},copyPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,
-b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a=new p;return function(b){var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[3]=0;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[7]=0;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;c[11]=0;c[12]=0;c[13]=0;c[14]=0;c[15]=1;return this}}(),makeRotationFromEuler:function(a){a&&a.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");
-var b=this.elements,c=a.x,d=a.y,e=a.z,f=Math.cos(c);c=Math.sin(c);var g=Math.cos(d);d=Math.sin(d);var h=Math.cos(e);e=Math.sin(e);if("XYZ"===a.order){a=f*h;var k=f*e,m=c*h,r=c*e;b[0]=g*h;b[4]=-g*e;b[8]=d;b[1]=k+m*d;b[5]=a-r*d;b[9]=-c*g;b[2]=r-a*d;b[6]=m+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,m=d*h,r=d*e,b[0]=a+r*c,b[4]=m*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-m,b[6]=r+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,m=d*h,r=d*e,b[0]=a-r*c,b[4]=-f*e,b[8]=m+k*c,b[1]=k+m*c,b[5]=f*h,b[9]=
-r-a*c,b[2]=-f*d,b[6]=c,b[10]=f*g):"ZYX"===a.order?(a=f*h,k=f*e,m=c*h,r=c*e,b[0]=g*h,b[4]=m*d-k,b[8]=a*d+r,b[1]=g*e,b[5]=r*d+a,b[9]=k*d-m,b[2]=-d,b[6]=c*g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*d,m=c*g,r=c*d,b[0]=g*h,b[4]=r-a*e,b[8]=m*e+k,b[1]=e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+m,b[10]=a-r*e):"XZY"===a.order&&(a=f*g,k=f*d,m=c*g,r=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+r,b[5]=f*h,b[9]=k*e-m,b[2]=m*e-k,b[6]=c*h,b[10]=r*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(){var a=
-new p(0,0,0),b=new p(1,1,1);return function(c){return this.compose(a,c,b)}}(),lookAt:function(){var a=new p,b=new p,c=new p;return function(d,e,f){var g=this.elements;c.subVectors(d,e);0===c.lengthSq()&&(c.z=1);c.normalize();a.crossVectors(f,c);0===a.lengthSq()&&(1===Math.abs(f.z)?c.x+=1E-4:c.z+=1E-4,c.normalize(),a.crossVectors(f,c));a.normalize();b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==
-b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[4],f=c[8],g=c[12],h=c[1],k=c[5],m=c[9],r=c[13],n=c[2],l=c[6],p=c[10],t=c[14],u=c[3],x=c[7],y=c[11];c=c[15];var v=d[0],H=d[4],G=d[8],I=d[12],z=d[1],C=d[5],A=d[9],D=d[13],B=d[2],
-E=d[6],F=d[10],K=d[14],M=d[3],J=d[7],L=d[11];d=d[15];b[0]=a*v+e*z+f*B+g*M;b[4]=a*H+e*C+f*E+g*J;b[8]=a*G+e*A+f*F+g*L;b[12]=a*I+e*D+f*K+g*d;b[1]=h*v+k*z+m*B+r*M;b[5]=h*H+k*C+m*E+r*J;b[9]=h*G+k*A+m*F+r*L;b[13]=h*I+k*D+m*K+r*d;b[2]=n*v+l*z+p*B+t*M;b[6]=n*H+l*C+p*E+t*J;b[10]=n*G+l*A+p*F+t*L;b[14]=n*I+l*D+p*K+t*d;b[3]=u*v+x*z+y*B+c*M;b[7]=u*H+x*C+y*E+c*J;b[11]=u*G+x*A+y*F+c*L;b[15]=u*I+x*D+y*K+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=
-a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix4(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],k=a[13],m=a[2],r=a[6],n=a[10],l=a[14];return a[3]*(+e*h*r-d*k*r-e*g*n+c*k*n+d*g*l-c*h*l)+a[7]*(+b*h*l-b*k*n+e*f*n-
-d*f*l+d*k*m-e*h*m)+a[11]*(+b*k*r-b*g*l-e*f*r+c*f*l+e*g*m-c*k*m)+a[15]*(-d*g*m-b*h*r+b*g*n+d*f*r-c*f*n+c*h*m)},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getInverse:function(a,b){var c=this.elements,d=a.elements;a=d[0];var e=d[1],f=d[2],g=d[3],h=d[4],
-k=d[5],m=d[6],l=d[7],n=d[8],q=d[9],p=d[10],t=d[11],u=d[12],x=d[13],y=d[14];d=d[15];var v=q*y*l-x*p*l+x*m*t-k*y*t-q*m*d+k*p*d,H=u*p*l-n*y*l-u*m*t+h*y*t+n*m*d-h*p*d,G=n*x*l-u*q*l+u*k*t-h*x*t-n*k*d+h*q*d,I=u*q*m-n*x*m-u*k*p+h*x*p+n*k*y-h*q*y,z=a*v+e*H+f*G+g*I;if(0===z){if(!0===b)throw Error("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=1/z;c[0]=v*b;c[1]=(x*p*g-q*y*g-x*f*
-t+e*y*t+q*f*d-e*p*d)*b;c[2]=(k*y*g-x*m*g+x*f*l-e*y*l-k*f*d+e*m*d)*b;c[3]=(q*m*g-k*p*g-q*f*l+e*p*l+k*f*t-e*m*t)*b;c[4]=H*b;c[5]=(n*y*g-u*p*g+u*f*t-a*y*t-n*f*d+a*p*d)*b;c[6]=(u*m*g-h*y*g-u*f*l+a*y*l+h*f*d-a*m*d)*b;c[7]=(h*p*g-n*m*g+n*f*l-a*p*l-h*f*t+a*m*t)*b;c[8]=G*b;c[9]=(u*q*g-n*x*g-u*e*t+a*x*t+n*e*d-a*q*d)*b;c[10]=(h*x*g-u*k*g+u*e*l-a*x*l-h*e*d+a*k*d)*b;c[11]=(n*k*g-h*q*g-n*e*l+a*q*l+h*e*t-a*k*t)*b;c[12]=I*b;c[13]=(n*x*f-u*q*f+u*e*p-a*x*p-n*e*y+a*q*y)*b;c[14]=(u*k*f-h*x*f-u*e*m+a*x*m+h*e*y-a*k*y)*
-b;c[15]=(h*q*f-n*k*f+n*e*m-a*q*m-h*e*p+a*k*p)*b;return this},scale:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10]))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=
-Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=1-c,e=a.x,f=a.y;a=a.z;var g=d*e,h=d*f;this.set(g*e+c,g*f-b*a,g*a+b*f,0,g*f+b*a,h*f+c,h*a-b*e,0,g*a-b*f,h*a+b*e,d*a*a+c,0,0,
-0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeShear:function(a,b,c){this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1);return this},compose:function(a,b,c){var d=this.elements,e=b._x,f=b._y,g=b._z,h=b._w,k=e+e,m=f+f,l=g+g;b=e*k;var n=e*m;e*=l;var q=f*m;f*=l;g*=l;k*=h;m*=h;h*=l;l=c.x;var p=c.y;c=c.z;d[0]=(1-(q+g))*l;d[1]=(n+h)*l;d[2]=(e-m)*l;d[3]=0;d[4]=(n-h)*p;d[5]=(1-(b+g))*p;d[6]=(f+k)*p;d[7]=0;d[8]=(e+m)*c;d[9]=(f-k)*c;d[10]=(1-(b+q))*c;d[11]=0;
-d[12]=a.x;d[13]=a.y;d[14]=a.z;d[15]=1;return this},decompose:function(){var a=new p,b=new P;return function(c,d,e){var f=this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),k=a.set(f[8],f[9],f[10]).length();0>this.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.copy(this);c=1/g;f=1/h;var m=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=m;b.elements[9]*=m;b.elements[10]*=m;d.setFromRotationMatrix(b);
-e.x=g;e.y=h;e.z=k;return this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(c-d);g[9]=(c+d)/(c-d);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),k=1/(c-d),m=1/(f-e);g[0]=
-2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*m;g[14]=-((f+e)*m);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;16>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];
-a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}});Object.assign(ja,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpFlat:function(a,b,c,d,e,f,g){var h=c[d+0],k=c[d+1],m=c[d+2];c=c[d+3];d=e[f+0];var l=e[f+1],n=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==l||m!==n){f=1-g;var q=h*d+k*l+m*n+c*e,p=0<=q?1:-1,t=1-q*q;t>Number.EPSILON&&(t=Math.sqrt(t),q=Math.atan2(t,q*p),f=Math.sin(f*q)/t,g=Math.sin(g*
-q)/t);p*=g;h=h*f+d*p;k=k*f+l*p;m=m*f+n*p;c=c*f+e*p;f===1-g&&(g=1/Math.sqrt(h*h+k*k+m*m+c*c),h*=g,k*=g,m*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=m;a[b+3]=c}});Object.defineProperties(ja.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a;this.onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a;this.onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a;this.onChangeCallback()}},w:{get:function(){return this._w},set:function(a){this._w=
-a;this.onChangeCallback()}}});Object.assign(ja.prototype,{isQuaternion:!0,set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this.onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){this._x=a.x;this._y=a.y;this._z=a.z;this._w=a.w;this.onChangeCallback();return this},setFromEuler:function(a,b){if(!a||!a.isEuler)throw Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");
-var c=a._x,d=a._y,e=a._z;a=a.order;var f=Math.cos,g=Math.sin,h=f(c/2),k=f(d/2);f=f(e/2);c=g(c/2);d=g(d/2);e=g(e/2);"XYZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"YXZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"ZXY"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"ZYX"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"YZX"===a?(this._x=
-c*k*f+h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f-c*d*e):"XZY"===a&&(this._x=c*k*f-h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f+c*d*e);if(!1!==b)this.onChangeCallback();return this},setFromAxisAngle:function(a,b){b/=2;var c=Math.sin(b);this._x=a.x*c;this._y=a.y*c;this._z=a.z*c;this._w=Math.cos(b);this.onChangeCallback();return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6];b=b[10];var m=c+f+b;0<m?
-(c=.5/Math.sqrt(m+1),this._w=.25/c,this._x=(k-g)*c,this._y=(d-h)*c,this._z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=.25*c,this._z=(g+k)/c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this.onChangeCallback();return this},setFromUnitVectors:function(){var a=new p,b;return function(c,d){void 0===a&&(a=new p);b=c.dot(d)+1;1E-6>b?
-(b=0,Math.abs(c.x)>Math.abs(c.z)?a.set(-c.y,c.x,0):a.set(0,-c.z,c.y)):a.crossVectors(c,d);this._x=a.x;this._y=a.y;this._z=a.z;this._w=b;return this.normalize()}}(),angleTo:function(a){return 2*Math.acos(Math.abs(R.clamp(this.dot(a),-1,1)))},rotateTowards:function(a,b){var c=this.angleTo(a);if(0===c)return this;this.slerp(a,Math.min(1,b/c));return this},inverse:function(){return this.conjugate()},conjugate:function(){this._x*=-1;this._y*=-1;this._z*=-1;this.onChangeCallback();return this},dot:function(a){return this._x*
-a._x+this._y*a._y+this._z*a._z+this._w*a._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var a=this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this.onChangeCallback();return this},multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),
-this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z;a=a._w;var f=b._x,g=b._y,h=b._z;b=b._w;this._x=c*b+a*f+d*h-e*g;this._y=d*b+a*g+e*f-c*h;this._z=e*b+a*h+c*g-d*f;this._w=a*b-c*f-d*g-e*h;this.onChangeCallback();return this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;
-0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;a=1-g*g;if(a<=Number.EPSILON)return g=1-b,this._w=g*f+b*this._w,this._x=g*c+b*this._x,this._y=g*d+b*this._y,this._z=g*e+b*this._z,this.normalize();a=Math.sqrt(a);var h=Math.atan2(a,g);g=Math.sin((1-b)*h)/a;b=Math.sin(b*h)/a;this._w=f*g+this._w*b;this._x=c*g+this._x*b;this._y=d*g+this._y*b;this._z=e*g+this._z*b;this.onChangeCallback();return this},equals:function(a){return a._x===
-this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3];this.onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._w;return a},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}});Object.assign(p.prototype,{isVector3:!0,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},
-setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,
-this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=
-a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},multiply:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),
-this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},multiplyVectors:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},applyEuler:function(){var a=new ja;return function(b){b&&b.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");return this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a=new ja;return function(b,
-c){return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*d;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;var e=1/(a[3]*b+a[7]*c+a[11]*d+a[15]);this.x=(a[0]*b+a[4]*c+a[8]*d+a[12])*e;this.y=(a[1]*b+a[5]*c+a[9]*d+a[13])*e;this.z=(a[2]*b+a[6]*c+a[10]*d+a[14])*e;return this},applyQuaternion:function(a){var b=this.x,
-c=this.y,d=this.z,e=a.x,f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,m=a*d+e*c-f*b;b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g-m*-f;this.y=k*a+b*-f+m*-e-h*-g;this.z=m*a+b*-g+h*-f-k*-e;return this},project:function(a){return this.applyMatrix4(a.matrixWorldInverse).applyMatrix4(a.projectionMatrix)},unproject:function(){var a=new P;return function(b){return this.applyMatrix4(a.getInverse(b.projectionMatrix)).applyMatrix4(b.matrixWorld)}}(),transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=
-a.elements;this.x=a[0]*b+a[4]*c+a[8]*d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;return this.normalize()},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,
-Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(){var a=new p,b=new p;return function(c,d){a.set(c,c,c);b.set(d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this},ceil:function(){this.x=Math.ceil(this.x);
-this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*
-this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},
-cross:function(a,b){return void 0!==b?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b)):this.crossVectors(this,a)},crossVectors:function(a,b){var c=a.x,d=a.y;a=a.z;var e=b.x,f=b.y;b=b.z;this.x=d*b-a*f;this.y=a*e-c*b;this.z=c*f-d*e;return this},projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a=new p;return function(b){a.copy(this).projectOnVector(b);
-return this.sub(a)}}(),reflect:function(){var a=new p;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(R.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-
-a.z)},setFromSpherical:function(a){return this.setFromSphericalCoords(a.radius,a.phi,a.theta)},setFromSphericalCoords:function(a,b,c){var d=Math.sin(b)*a;this.x=d*Math.sin(c);this.y=Math.cos(b)*a;this.z=d*Math.cos(c);return this},setFromCylindrical:function(a){return this.setFromCylindricalCoords(a.radius,a.theta,a.y)},setFromCylindricalCoords:function(a,b,c){this.x=a*Math.sin(b);this.y=c;this.z=a*Math.cos(b);return this},setFromMatrixPosition:function(a){a=a.elements;this.x=a[12];this.y=a[13];this.z=
-a[14];return this},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length();a=this.setFromMatrixColumn(a,2).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===
-b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);return this}});Object.assign(oa.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=f;m[8]=k;return this},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},
-copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,
-a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[3],f=c[6],g=c[1],h=c[4],k=c[7],m=c[2],l=c[5];c=c[8];var n=d[0],q=d[3],p=d[6],t=d[1],u=d[4],x=d[7],y=d[2],v=d[5];d=d[8];b[0]=a*n+e*t+f*y;b[3]=a*q+e*u+f*v;b[6]=a*p+e*x+f*d;b[1]=g*n+h*t+k*y;b[4]=g*q+h*u+k*v;b[7]=g*p+h*x+k*d;b[2]=m*n+l*t+c*y;b[5]=m*q+l*u+c*v;b[8]=m*p+l*x+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=
-a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7];a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");var c=a.elements;a=this.elements;var d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],k=c[5],m=c[6],l=c[7];c=c[8];var n=c*h-k*l,q=k*m-c*g,p=l*g-h*m,t=d*n+e*q+f*p;if(0===t){if(!0===
-b)throw Error("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=1/t;a[0]=n*b;a[1]=(f*l-c*e)*b;a[2]=(k*e-f*h)*b;a[3]=q*b;a[4]=(c*d-f*m)*b;a[5]=(f*g-k*d)*b;a[6]=p*b;a[7]=(e*m-l*d)*b;a[8]=(h*d-e*g)*b;return this},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[3];a[3]=b;b=a[2];a[2]=a[6];a[6]=b;b=a[5];a[5]=a[7];a[7]=b;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},
-transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this},setUvTransform:function(a,b,c,d,e,f,g){var h=Math.cos(e);e=Math.sin(e);this.set(c*h,c*e,-c*(h*f+e*g)+f+a,-d*e,d*h,-d*(-e*f+h*g)+g+b,0,0,1)},scale:function(a,b){var c=this.elements;c[0]*=a;c[3]*=a;c[6]*=a;c[1]*=b;c[4]*=b;c[7]*=b;return this},rotate:function(a){var b=Math.cos(a);a=Math.sin(a);var c=this.elements,d=c[0],e=c[3],f=c[6],g=c[1],h=c[4],
-k=c[7];c[0]=b*d+a*g;c[3]=b*e+a*h;c[6]=b*f+a*k;c[1]=-a*d+b*g;c[4]=-a*e+b*h;c[7]=-a*f+b*k;return this},translate:function(a,b){var c=this.elements;c[0]+=a*c[2];c[3]+=a*c[5];c[6]+=a*c[8];c[1]+=b*c[2];c[4]+=b*c[5];c[7]+=b*c[8];return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;9>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=
-this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}});var jb={getDataURL:function(a){if("undefined"==typeof HTMLCanvasElement)return a.src;if(a instanceof HTMLCanvasElement)var b=a;else{b=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");b.width=a.width;b.height=a.height;var c=b.getContext("2d");a instanceof ImageData?c.putImageData(a,0,0):c.drawImage(a,0,0,a.width,a.height)}return 2048<b.width||2048<b.height?
-b.toDataURL("image/jpeg",.6):b.toDataURL("image/png")}},Kf=0;W.DEFAULT_IMAGE=void 0;W.DEFAULT_MAPPING=300;W.prototype=Object.assign(Object.create(ia.prototype),{constructor:W,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.image=a.image;this.mipmaps=a.mipmaps.slice(0);this.mapping=a.mapping;
-this.wrapS=a.wrapS;this.wrapT=a.wrapT;this.magFilter=a.magFilter;this.minFilter=a.minFilter;this.anisotropy=a.anisotropy;this.format=a.format;this.type=a.type;this.offset.copy(a.offset);this.repeat.copy(a.repeat);this.center.copy(a.center);this.rotation=a.rotation;this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrix.copy(a.matrix);this.generateMipmaps=a.generateMipmaps;this.premultiplyAlpha=a.premultiplyAlpha;this.flipY=a.flipY;this.unpackAlignment=a.unpackAlignment;this.encoding=a.encoding;return this},
-toJSON:function(a){var b=void 0===a||"string"===typeof a;if(!b&&void 0!==a.textures[this.uuid])return a.textures[this.uuid];var c={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,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,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,
-flipY:this.flipY};if(void 0!==this.image){var d=this.image;void 0===d.uuid&&(d.uuid=R.generateUUID());if(!b&&void 0===a.images[d.uuid]){if(Array.isArray(d)){var e=[];for(var f=0,g=d.length;f<g;f++)e.push(jb.getDataURL(d[f]))}else e=jb.getDataURL(d);a.images[d.uuid]={uuid:d.uuid,url:e}}c.image=d.uuid}b||(a.textures[this.uuid]=c);return c},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(a){if(300!==this.mapping)return a;a.applyMatrix3(this.matrix);if(0>a.x||1<a.x)switch(this.wrapS){case 1E3:a.x-=
-Math.floor(a.x);break;case 1001:a.x=0>a.x?0:1;break;case 1002:a.x=1===Math.abs(Math.floor(a.x)%2)?Math.ceil(a.x)-a.x:a.x-Math.floor(a.x)}if(0>a.y||1<a.y)switch(this.wrapT){case 1E3:a.y-=Math.floor(a.y);break;case 1001:a.y=0>a.y?0:1;break;case 1002:a.y=1===Math.abs(Math.floor(a.y)%2)?Math.ceil(a.y)-a.y:a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y);return a}});Object.defineProperty(W.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.assign(Z.prototype,{isVector4:!0,set:function(a,
-b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;
-case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},
-addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-=
-a;this.y-=a;this.z-=a;this.w-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=a[2]*b+a[6]*c+a[10]*d+a[14]*e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this},divideScalar:function(a){return this.multiplyScalar(1/
-a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){a=a.elements;var b=a[0];var c=a[4];var d=a[8],e=a[1],f=a[5],g=a[9];var h=a[2];var k=a[6];var m=a[10];if(.01>Math.abs(c-e)&&.01>Math.abs(d-h)&&.01>Math.abs(g-k)){if(.1>Math.abs(c+e)&&.1>Math.abs(d+h)&&.1>Math.abs(g+k)&&.1>Math.abs(b+f+m-3))return this.set(1,0,0,0),this;a=Math.PI;
-b=(b+1)/2;f=(f+1)/2;m=(m+1)/2;c=(c+e)/4;d=(d+h)/4;g=(g+k)/4;b>f&&b>m?.01>b?(k=0,c=h=.707106781):(k=Math.sqrt(b),h=c/k,c=d/k):f>m?.01>f?(k=.707106781,h=0,c=.707106781):(h=Math.sqrt(f),k=c/h,c=g/h):.01>m?(h=k=.707106781,c=0):(c=Math.sqrt(m),k=d/c,h=g/c);this.set(k,h,c,a);return this}a=Math.sqrt((k-g)*(k-g)+(d-h)*(d-h)+(e-c)*(e-c));.001>Math.abs(a)&&(a=1);this.x=(k-g)/a;this.y=(d-h)/a;this.z=(e-c)/a;this.w=Math.acos((b+f+m-1)/2);return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,
-a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));this.w=Math.max(a.w,Math.min(b.w,this.w));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new Z,b=new Z);a.set(c,
-c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);
-this.z=Math.round(this.z);this.w=Math.round(this.w);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?Math.ceil(this.w):Math.floor(this.w);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.x*
-this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,
-b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");
-this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);this.w=a.getW(b);return this}});kb.prototype=Object.assign(Object.create(ia.prototype),{constructor:kb,isWebGLRenderTarget:!0,setSize:function(a,b){if(this.width!==a||this.height!==b)this.width=a,this.height=b,this.dispose();this.viewport.set(0,0,a,b);this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.width=a.width;this.height=a.height;this.viewport.copy(a.viewport);this.texture=a.texture.clone();
-this.depthBuffer=a.depthBuffer;this.stencilBuffer=a.stencilBuffer;this.depthTexture=a.depthTexture;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});Jb.prototype=Object.create(kb.prototype);Jb.prototype.constructor=Jb;Jb.prototype.isWebGLRenderTargetCube=!0;lb.prototype=Object.create(W.prototype);lb.prototype.constructor=lb;lb.prototype.isDataTexture=!0;Object.assign(Wa.prototype,{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=
-Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],l=a[h+1],n=a[h+2];m<b&&(b=m);l<c&&(c=l);n<d&&(d=n);m>e&&(e=m);l>f&&(f=l);n>g&&(g=n)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<k;h++){var m=a.getX(h),l=a.getY(h),n=a.getZ(h);m<b&&(b=m);l<c&&(c=l);n<d&&(d=n);m>e&&(e=m);l>f&&(f=l);n>g&&(g=n)}this.min.set(b,c,d);
-this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=new p;return function(b,c){c=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(c);this.max.copy(b).add(c);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},
-makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getCenter:function(a){void 0===a&&(console.warn("THREE.Box3: .getCenter() target is now required"),a=new p);return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){void 0===a&&(console.warn("THREE.Box3: .getSize() target is now required"),
-a=new p);return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},expandByObject:function(){function a(a){var f=a.geometry;if(void 0!==f)if(f.isGeometry)for(f=f.vertices,c=0,d=f.length;c<d;c++)e.copy(f[c]),e.applyMatrix4(a.matrixWorld),b.expandByPoint(e);else if(f.isBufferGeometry&&
-(f=f.attributes.position,void 0!==f))for(c=0,d=f.count;c<d;c++)e.fromBufferAttribute(f,c).applyMatrix4(a.matrixWorld),b.expandByPoint(e)}var b,c,d,e=new p;return function(c){b=this;c.updateMatrixWorld(!0);c.traverse(a);return this}}(),containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&
-a.max.z<=this.max.z},getParameter:function(a,b){void 0===b&&(console.warn("THREE.Box3: .getParameter() target is now required"),b=new p);return b.set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a=new p;return function(b){this.clampPoint(b.center,
-a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){if(0<a.normal.x){var b=a.normal.x*this.min.x;var c=a.normal.x*this.max.x}else b=a.normal.x*this.max.x,c=a.normal.x*this.min.x;0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=-a.constant&&c>=-a.constant},intersectsTriangle:function(){function a(a){var e;
-var f=0;for(e=a.length-3;f<=e;f+=3){h.fromArray(a,f);var g=m.x*Math.abs(h.x)+m.y*Math.abs(h.y)+m.z*Math.abs(h.z),k=b.dot(h),l=c.dot(h),n=d.dot(h);if(Math.max(-Math.max(k,l,n),Math.min(k,l,n))>g)return!1}return!0}var b=new p,c=new p,d=new p,e=new p,f=new p,g=new p,h=new p,k=new p,m=new p,l=new p;return function(h){if(this.isEmpty())return!1;this.getCenter(k);m.subVectors(this.max,k);b.subVectors(h.a,k);c.subVectors(h.b,k);d.subVectors(h.c,k);e.subVectors(c,b);f.subVectors(d,c);g.subVectors(b,d);h=
-[0,-e.z,e.y,0,-f.z,f.y,0,-g.z,g.y,e.z,0,-e.x,f.z,0,-f.x,g.z,0,-g.x,-e.y,e.x,0,-f.y,f.x,0,-g.y,g.x,0];if(!a(h))return!1;h=[1,0,0,0,1,0,0,0,1];if(!a(h))return!1;l.crossVectors(e,f);h=[l.x,l.y,l.z];return a(h)}}(),clampPoint:function(a,b){void 0===b&&(console.warn("THREE.Box3: .clampPoint() target is now required"),b=new p);return b.copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new p;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=
-new p;return function(b){void 0===b&&(console.warn("THREE.Box3: .getBoundingSphere() target is now required"),b=new Ga);this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new p,new p,new p,new p,new p,new p,new p,new p];return function(b){if(this.isEmpty())return this;
-a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),
-translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});Object.assign(Ga.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=new Wa;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=c=0,f=b.length;e<f;e++)c=Math.max(c,d.distanceToSquared(b[e]));this.radius=Math.sqrt(c);return this}}(),clone:function(){return(new this.constructor).copy(this)},
-copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(a.distanceToPoint(this.center))<=
-this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a);void 0===b&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),b=new p);b.copy(a);c>this.radius*this.radius&&(b.sub(this.center).normalize(),b.multiplyScalar(this.radius).add(this.center));return b},getBoundingBox:function(a){void 0===a&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),a=new Wa);a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);
-this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(Pa.prototype,{set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a);this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=
-new p,b=new p;return function(c,d,e){d=a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+
-this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,b){void 0===b&&(console.warn("THREE.Plane: .projectPoint() target is now required"),b=new p);return b.copy(this.normal).multiplyScalar(-this.distanceToPoint(a)).add(a)},intersectLine:function(){var a=new p;return function(b,c){void 0===c&&(console.warn("THREE.Plane: .intersectLine() target is now required"),c=new p);var d=b.delta(a),e=this.normal.dot(d);if(0===e){if(0===this.distanceToPoint(b.start))return c.copy(b.start)}else if(e=
--(b.start.dot(this.normal)+this.constant)/e,!(0>e||1<e))return c.copy(d).multiplyScalar(e).add(b.start)}}(),intersectsLine:function(a){var b=this.distanceToPoint(a.start);a=this.distanceToPoint(a.end);return 0>b&&0<a||0>a&&0<b},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){void 0===a&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),a=new p);return a.copy(this.normal).multiplyScalar(-this.constant)},
-applyMatrix4:function(){var a=new p,b=new oa;return function(c,d){d=d||b.getNormalMatrix(c);c=this.coplanarPoint(a).applyMatrix4(c);d=this.normal.applyMatrix3(d).normalize();this.constant=-c.dot(d);return this}}(),translate:function(a){this.constant-=a.dot(this.normal);return this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}});Object.assign(rd.prototype,{set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);
-g[5].copy(f);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],m=c[7],l=c[8],n=c[9],q=c[10],p=c[11],t=c[12],u=c[13],x=c[14];c=c[15];b[0].setComponents(f-a,m-g,p-l,c-t).normalize();b[1].setComponents(f+a,m+g,p+l,c+t).normalize();b[2].setComponents(f+d,m+h,p+n,c+u).normalize();b[3].setComponents(f-
-d,m-h,p-n,c-u).normalize();b[4].setComponents(f-e,m-k,p-q,c-x).normalize();b[5].setComponents(f+e,m+k,p+q,c+x).normalize();return this},intersectsObject:function(){var a=new Ga;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new Ga;return function(b){a.center.set(0,0,0);a.radius=.7071067811865476;a.applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),
+{get:function(){return 4*this.intensity*Math.PI},set:function(a){this.intensity=a/(4*Math.PI)}});this.distance=void 0!==c?c:0;this.decay=void 0!==d?d:1;this.shadow=new Hb(new V(90,1,.5,500))}function hd(a,b,c,d,e,f){Ra.call(this);this.type="OrthographicCamera";this.zoom=1;this.view=null;this.left=void 0!==a?a:-1;this.right=void 0!==b?b:1;this.top=void 0!==c?c:1;this.bottom=void 0!==d?d:-1;this.near=void 0!==e?e:.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()}function Ld(){Hb.call(this,
+new hd(-5,5,5,-5,.5,500))}function Md(a,b){ca.call(this,a,b);this.type="DirectionalLight";this.position.copy(B.DefaultUp);this.updateMatrix();this.target=new B;this.shadow=new Ld}function Nd(a,b){ca.call(this,a,b);this.type="AmbientLight";this.castShadow=void 0}function Od(a,b,c,d){ca.call(this,a,b);this.type="RectAreaLight";this.width=void 0!==c?c:10;this.height=void 0!==d?d:10}function Pd(a){this.manager=void 0!==a?a:ta;this.textures={}}function ke(a){this.manager=void 0!==a?a:ta}function kc(){}
+function Qd(a){"boolean"===typeof a&&(console.warn("THREE.JSONLoader: showStatus parameter has been removed from constructor."),a=void 0);this.manager=void 0!==a?a:ta;this.withCredentials=!1}function le(a){this.manager=void 0!==a?a:ta;this.resourcePath=""}function me(a){"undefined"===typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported.");"undefined"===typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported.");this.manager=void 0!==
+a?a:ta;this.options=void 0}function ne(){this.type="ShapePath";this.color=new F;this.subPaths=[];this.currentPath=null}function oe(a){this.type="Font";this.data=a}function tf(a){this.manager=void 0!==a?a:ta}function pe(a){this.manager=void 0!==a?a:ta}function uf(){this.type="StereoCamera";this.aspect=1;this.eyeSep=.064;this.cameraL=new V;this.cameraL.layers.enable(1);this.cameraL.matrixAutoUpdate=!1;this.cameraR=new V;this.cameraR.layers.enable(2);this.cameraR.matrixAutoUpdate=!1}function id(a,b,
+c,d){B.call(this);this.type="CubeCamera";var e=new V(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new p(1,0,0));this.add(e);var f=new V(90,1,a,b);f.up.set(0,-1,0);f.lookAt(new p(-1,0,0));this.add(f);var g=new V(90,1,a,b);g.up.set(0,0,1);g.lookAt(new p(0,1,0));this.add(g);var h=new V(90,1,a,b);h.up.set(0,0,-1);h.lookAt(new p(0,-1,0));this.add(h);var k=new V(90,1,a,b);k.up.set(0,-1,0);k.lookAt(new p(0,0,1));this.add(k);var m=new V(90,1,a,b);m.up.set(0,-1,0);m.lookAt(new p(0,0,-1));this.add(m);d=d||{format:1022,
+magFilter:1006,minFilter:1006};this.renderTarget=new Jb(c,c,d);this.renderTarget.texture.name="CubeCamera";this.update=function(a,b){null===this.parent&&this.updateMatrixWorld();var c=this.renderTarget,d=c.texture.generateMipmaps;c.texture.generateMipmaps=!1;c.activeCubeFace=0;a.render(b,e,c);c.activeCubeFace=1;a.render(b,f,c);c.activeCubeFace=2;a.render(b,g,c);c.activeCubeFace=3;a.render(b,h,c);c.activeCubeFace=4;a.render(b,k,c);c.texture.generateMipmaps=d;c.activeCubeFace=5;a.render(b,m,c);a.setRenderTarget(null)};
+this.clear=function(a,b,c,d){for(var e=this.renderTarget,f=0;6>f;f++)e.activeCubeFace=f,a.setRenderTarget(e),a.clear(b,c,d);a.setRenderTarget(null)}}function qe(){B.call(this);this.type="AudioListener";this.context=re.getContext();this.gain=this.context.createGain();this.gain.connect(this.context.destination);this.filter=null}function lc(a){B.call(this);this.type="Audio";this.context=a.context;this.gain=this.context.createGain();this.gain.connect(a.getInput());this.autoplay=!1;this.buffer=null;this.loop=
+!1;this.offset=this.startTime=0;this.playbackRate=1;this.isPlaying=!1;this.hasPlaybackControl=!0;this.sourceType="empty";this.filters=[]}function se(a){lc.call(this,a);this.panner=this.context.createPanner();this.panner.connect(this.gain)}function te(a,b){this.analyser=a.context.createAnalyser();this.analyser.fftSize=void 0!==b?b:2048;this.data=new Uint8Array(this.analyser.frequencyBinCount);a.getOutput().connect(this.analyser)}function ue(a,b,c){this.binding=a;this.valueSize=c;a=Float64Array;switch(b){case "quaternion":b=
+this._slerp;break;case "string":case "bool":a=Array;b=this._select;break;default:b=this._lerp}this.buffer=new a(4*c);this._mixBufferRegion=b;this.referenceCount=this.useCount=this.cumulativeWeight=0}function vf(a,b,c){c=c||ua.parseTrackName(b);this._targetGroup=a;this._bindings=a.subscribe_(b,c)}function ua(a,b,c){this.path=b;this.parsedPath=c||ua.parseTrackName(b);this.node=ua.findNode(a,this.parsedPath.nodeName)||a;this.rootNode=a}function wf(){this.uuid=R.generateUUID();this._objects=Array.prototype.slice.call(arguments);
+this.nCachedObjects_=0;var a={};this._indicesByUUID=a;for(var b=0,c=arguments.length;b!==c;++b)a[arguments[b].uuid]=b;this._paths=[];this._parsedPaths=[];this._bindings=[];this._bindingsIndicesByPath={};var d=this;this.stats={objects:{get total(){return d._objects.length},get inUse(){return this.total-d.nCachedObjects_}},get bindingsPerObject(){return d._bindings.length}}}function xf(a,b,c){this._mixer=a;this._clip=b;this._localRoot=c||null;a=b.tracks;b=a.length;c=Array(b);for(var d={endingStart:2400,
+endingEnd:2400},e=0;e!==b;++e){var f=a[e].createInterpolant(null);c[e]=f;f.settings=d}this._interpolantSettings=d;this._interpolants=c;this._propertyBindings=Array(b);this._weightInterpolant=this._timeScaleInterpolant=this._byClipCacheIndex=this._cacheIndex=null;this.loop=2201;this._loopCount=-1;this._startTime=null;this.time=0;this._effectiveWeight=this.weight=this._effectiveTimeScale=this.timeScale=1;this.repetitions=Infinity;this.paused=!1;this.enabled=!0;this.clampWhenFinished=!1;this.zeroSlopeAtEnd=
+this.zeroSlopeAtStart=!0}function ve(a){this._root=a;this._initMemoryManager();this.time=this._accuIndex=0;this.timeScale=1}function Rd(a,b){"string"===typeof a&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),a=b);this.value=a}function we(){D.call(this);this.type="InstancedBufferGeometry";this.maxInstancedCount=void 0}function xe(a,b,c){sb.call(this,a,b);this.meshPerAttribute=c||1}function ye(a,b,c,d){"number"===typeof c&&(d=c,c=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument."));
+E.call(this,a,b,c);this.meshPerAttribute=d||1}function yf(a,b,c,d){this.ray=new rb(a,b);this.near=c||0;this.far=d||Infinity;this.params={Mesh:{},Line:{},LOD:{},Points:{threshold:1},Sprite:{}};Object.defineProperties(this.params,{PointCloud:{get:function(){console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points.");return this.Points}}})}function zf(a,b){return a.distance-b.distance}function ze(a,b,c,d){if(!1!==a.visible&&(a.raycast(b,c),!0===d)){a=a.children;d=0;for(var e=
+a.length;d<e;d++)ze(a[d],b,c,!0)}}function Af(a){this.autoStart=void 0!==a?a:!0;this.elapsedTime=this.oldTime=this.startTime=0;this.running=!1}function Bf(a,b,c){this.radius=void 0!==a?a:1;this.phi=void 0!==b?b:0;this.theta=void 0!==c?c:0;return this}function Cf(a,b,c){this.radius=void 0!==a?a:1;this.theta=void 0!==b?b:0;this.y=void 0!==c?c:0;return this}function Ae(a,b){this.min=void 0!==a?a:new z(Infinity,Infinity);this.max=void 0!==b?b:new z(-Infinity,-Infinity)}function Be(a,b){this.start=void 0!==
+a?a:new p;this.end=void 0!==b?b:new p}function jd(a){B.call(this);this.material=a;this.render=function(){}}function kd(a,b,c,d){this.object=a;this.size=void 0!==b?b:1;a=void 0!==c?c:16711680;d=void 0!==d?d:1;b=0;(c=this.object.geometry)&&c.isGeometry?b=3*c.faces.length:c&&c.isBufferGeometry&&(b=c.attributes.normal.count);c=new D;b=new A(6*b,3);c.addAttribute("position",b);S.call(this,c,new T({color:a,linewidth:d}));this.matrixAutoUpdate=!1;this.update()}function mc(a,b){B.call(this);this.light=a;
+this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=b;a=new D;b=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(var c=0,d=1;32>c;c++,d++){var e=c/32*Math.PI*2,f=d/32*Math.PI*2;b.push(Math.cos(e),Math.sin(e),1,Math.cos(f),Math.sin(f),1)}a.addAttribute("position",new A(b,3));b=new T({fog:!1});this.cone=new S(a,b);this.add(this.cone);this.update()}function Df(a){var b=[];a&&a.isBone&&b.push(a);for(var c=0;c<a.children.length;c++)b.push.apply(b,
+Df(a.children[c]));return b}function nc(a){for(var b=Df(a),c=new D,d=[],e=[],f=new F(0,0,1),g=new F(0,1,0),h=0;h<b.length;h++){var k=b[h];k.parent&&k.parent.isBone&&(d.push(0,0,0),d.push(0,0,0),e.push(f.r,f.g,f.b),e.push(g.r,g.g,g.b))}c.addAttribute("position",new A(d,3));c.addAttribute("color",new A(e,3));d=new T({vertexColors:2,depthTest:!1,depthWrite:!1,transparent:!0});S.call(this,c,d);this.root=a;this.bones=b;this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1}function oc(a,b,c){this.light=a;
+this.light.updateMatrixWorld();this.color=c;a=new wb(b,4,2);b=new Ea({wireframe:!0,fog:!1});pa.call(this,a,b);this.matrix=this.light.matrixWorld;this.matrixAutoUpdate=!1;this.update()}function pc(a,b){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=b;a=new T({fog:!1});b=new D;b.addAttribute("position",new E(new Float32Array(15),3));this.line=new ma(b,a);this.add(this.line);this.update()}function qc(a,b,c){B.call(this);this.light=
+a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=c;a=new tb(b);a.rotateY(.5*Math.PI);this.material=new Ea({wireframe:!0,fog:!1});void 0===this.color&&(this.material.vertexColors=2);b=a.getAttribute("position");b=new Float32Array(3*b.count);a.addAttribute("color",new E(b,3));this.add(new pa(a,this.material));this.update()}function ld(a,b,c,d){a=a||10;b=b||10;c=new F(void 0!==c?c:4473924);d=new F(void 0!==d?d:8947848);var e=b/2,f=a/b,g=a/2;a=[];for(var h=
+[],k=0,m=0,r=-g;k<=b;k++,r+=f){a.push(-g,0,r,g,0,r);a.push(r,0,-g,r,0,g);var n=k===e?c:d;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3;n.toArray(h,m);m+=3}b=new D;b.addAttribute("position",new A(a,3));b.addAttribute("color",new A(h,3));c=new T({vertexColors:2});S.call(this,b,c)}function Sd(a,b,c,d,e,f){a=a||10;b=b||16;c=c||8;d=d||64;e=new F(void 0!==e?e:4473924);f=new F(void 0!==f?f:8947848);var g=[],h=[],k;for(k=0;k<=b;k++){var m=k/b*2*Math.PI;var r=Math.sin(m)*a;m=Math.cos(m)*a;g.push(0,
+0,0);g.push(r,0,m);var n=k&1?e:f;h.push(n.r,n.g,n.b);h.push(n.r,n.g,n.b)}for(k=0;k<=c;k++){n=k&1?e:f;var l=a-a/c*k;for(b=0;b<d;b++)m=b/d*2*Math.PI,r=Math.sin(m)*l,m=Math.cos(m)*l,g.push(r,0,m),h.push(n.r,n.g,n.b),m=(b+1)/d*2*Math.PI,r=Math.sin(m)*l,m=Math.cos(m)*l,g.push(r,0,m),h.push(n.r,n.g,n.b)}a=new D;a.addAttribute("position",new A(g,3));a.addAttribute("color",new A(h,3));g=new T({vertexColors:2});S.call(this,a,g)}function md(a,b,c,d){this.object=a;this.size=void 0!==b?b:1;a=void 0!==c?c:16776960;
+d=void 0!==d?d:1;b=0;(c=this.object.geometry)&&c.isGeometry?b=c.faces.length:console.warn("THREE.FaceNormalsHelper: only THREE.Geometry is supported. Use THREE.VertexNormalsHelper, instead.");c=new D;b=new A(6*b,3);c.addAttribute("position",b);S.call(this,c,new T({color:a,linewidth:d}));this.matrixAutoUpdate=!1;this.update()}function rc(a,b,c){B.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.color=c;void 0===b&&(b=1);a=new D;a.addAttribute("position",
+new A([-b,b,0,b,b,0,b,-b,0,-b,-b,0,-b,b,0],3));b=new T({fog:!1});this.lightPlane=new ma(a,b);this.add(this.lightPlane);a=new D;a.addAttribute("position",new A([0,0,0,0,0,1],3));this.targetLine=new ma(a,b);this.add(this.targetLine);this.update()}function nd(a){function b(a,b,d){c(a,d);c(b,d)}function c(a,b){f.push(0,0,0);g.push(b.r,b.g,b.b);void 0===h[a]&&(h[a]=[]);h[a].push(f.length/3-1)}var d=new D,e=new T({color:16777215,vertexColors:1}),f=[],g=[],h={},k=new F(16755200),m=new F(16711680),r=new F(43775),
+n=new F(16777215),l=new F(3355443);b("n1","n2",k);b("n2","n4",k);b("n4","n3",k);b("n3","n1",k);b("f1","f2",k);b("f2","f4",k);b("f4","f3",k);b("f3","f1",k);b("n1","f1",k);b("n2","f2",k);b("n3","f3",k);b("n4","f4",k);b("p","n1",m);b("p","n2",m);b("p","n3",m);b("p","n4",m);b("u1","u2",r);b("u2","u3",r);b("u3","u1",r);b("c","t",n);b("p","c",l);b("cn1","cn2",l);b("cn3","cn4",l);b("cf1","cf2",l);b("cf3","cf4",l);d.addAttribute("position",new A(f,3));d.addAttribute("color",new A(g,3));S.call(this,d,e);this.camera=
+a;this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.pointMap=h;this.update()}function bb(a,b){this.object=a;void 0===b&&(b=16776960);a=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]);var c=new Float32Array(24),d=new D;d.setIndex(new E(a,1));d.addAttribute("position",new E(c,3));S.call(this,d,new T({color:b}));this.matrixAutoUpdate=!1;this.update()}function od(a,b){this.type="Box3Helper";this.box=a;a=
+void 0!==b?b:16776960;b=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]);var c=new D;c.setIndex(new E(b,1));c.addAttribute("position",new A([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3));S.call(this,c,new T({color:a}));this.geometry.computeBoundingSphere()}function pd(a,b,c){this.type="PlaneHelper";this.plane=a;this.size=void 0===b?1:b;a=void 0!==c?c:16776960;b=new D;b.addAttribute("position",new A([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,
+0,0,0],3));b.computeBoundingSphere();ma.call(this,b,new T({color:a}));b=new D;b.addAttribute("position",new A([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3));b.computeBoundingSphere();this.add(new pa(b,new Ea({color:a,opacity:.2,transparent:!0,depthWrite:!1})))}function cb(a,b,c,d,e,f){B.call(this);void 0===a&&(a=new THREE.Vector3(0,0,1));void 0===b&&(b=new THREE.Vector3(0,0,0));void 0===c&&(c=1);void 0===d&&(d=16776960);void 0===e&&(e=.2*c);void 0===f&&(f=.2*e);void 0===Td&&(Td=new D,Td.addAttribute("position",
+new A([0,0,0,0,1,0],3)),Ce=new $a(0,.5,1,5,1),Ce.translate(0,-.5,0));this.position.copy(b);this.line=new ma(Td,new T({color:d}));this.line.matrixAutoUpdate=!1;this.add(this.line);this.cone=new pa(Ce,new Ea({color:d}));this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(a);this.setLength(c,e,f)}function qd(a){a=a||1;var b=[0,0,0,a,0,0,0,0,0,0,a,0,0,0,0,0,0,a];a=new D;a.addAttribute("position",new A(b,3));a.addAttribute("color",new A([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));b=new T({vertexColors:2});
+S.call(this,a,b)}function Ef(a){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");ra.call(this,a);this.type="catmullrom";this.closed=!0}function Ff(a){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");ra.call(this,a);this.type="catmullrom"}function De(a){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.");ra.call(this,a);this.type="catmullrom"}void 0===Number.EPSILON&&(Number.EPSILON=
+Math.pow(2,-52));void 0===Number.isInteger&&(Number.isInteger=function(a){return"number"===typeof a&&isFinite(a)&&Math.floor(a)===a});void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});!1==="name"in Function.prototype&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}});void 0===Object.assign&&function(){Object.assign=function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert undefined or null to object");
+for(var b=Object(a),c=1;c<arguments.length;c++){var d=arguments[c];if(void 0!==d&&null!==d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(b[e]=d[e])}return b}}();Object.assign(ia.prototype,{addEventListener:function(a,b){void 0===this._listeners&&(this._listeners={});var c=this._listeners;void 0===c[a]&&(c[a]=[]);-1===c[a].indexOf(b)&&c[a].push(b)},hasEventListener:function(a,b){if(void 0===this._listeners)return!1;var c=this._listeners;return void 0!==c[a]&&-1!==c[a].indexOf(b)},removeEventListener:function(a,
+b){void 0!==this._listeners&&(a=this._listeners[a],void 0!==a&&(b=a.indexOf(b),-1!==b&&a.splice(b,1)))},dispatchEvent:function(a){if(void 0!==this._listeners){var b=this._listeners[a.type];if(void 0!==b){a.target=this;b=b.slice(0);for(var c=0,d=b.length;c<d;c++)b[c].call(this,a)}}}});var R={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){for(var a=[],b=0;256>b;b++)a[b]=(16>b?"0":"")+b.toString(16);return function(){var b=4294967295*Math.random()|0,d=4294967295*Math.random()|0,e=4294967295*
+Math.random()|0,f=4294967295*Math.random()|0;return(a[b&255]+a[b>>8&255]+a[b>>16&255]+a[b>>24&255]+"-"+a[d&255]+a[d>>8&255]+"-"+a[d>>16&15|64]+a[d>>24&255]+"-"+a[e&63|128]+a[e>>8&255]+"-"+a[e>>16&255]+a[e>>24&255]+a[f&255]+a[f>>8&255]+a[f>>16&255]+a[f>>24&255]).toUpperCase()}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c-b)},lerp:function(a,b,c){return(1-c)*a+c*b},smoothstep:function(a,
+b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(.5-Math.random())},degToRad:function(a){return a*R.DEG2RAD},radToDeg:function(a){return a*R.RAD2DEG},isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},ceilPowerOfTwo:function(a){return Math.pow(2,
+Math.ceil(Math.log(a)/Math.LN2))},floorPowerOfTwo:function(a){return Math.pow(2,Math.floor(Math.log(a)/Math.LN2))}};Object.defineProperties(z.prototype,{width:{get:function(){return this.x},set:function(a){this.x=a}},height:{get:function(){return this.y},set:function(a){this.y=a}}});Object.assign(z.prototype,{isVector2:!0,set:function(a,b){this.x=a;this.y=b;return this},setScalar:function(a){this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},
+setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
+this.addVectors(a,b);this.x+=a.x;this.y+=a.y;return this},addScalar:function(a){this.x+=a;this.y+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;return this},subScalar:function(a){this.x-=a;this.y-=a;return this},
+subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},multiply:function(a){this.x*=a.x;this.y*=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},divide:function(a){this.x/=a.x;this.y/=a.y;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},applyMatrix3:function(a){var b=this.x,c=this.y;a=a.elements;this.x=a[0]*b+a[3]*c+a[6];this.y=a[1]*b+a[4]*c+a[7];return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);return this},
+max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));return this},clampScalar:function(){var a=new z,b=new z;return function(c,d){a.set(c,c);b.set(d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);
+return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*a.x+this.y*a.y},cross:function(a){return this.x*a.y-this.y*a.x},lengthSq:function(){return this.x*
+this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+
+Math.abs(this.y-a.y)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromBufferAttribute:function(a,
+b,c){void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);return this},rotateAround:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=this.x-a.x,e=this.y-a.y;this.x=d*c-e*b+a.x;this.y=d*b+e*c+a.y;return this}});Object.assign(P.prototype,{isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,k,m,r,l,q,p,t,u){var n=this.elements;n[0]=a;n[4]=b;n[8]=c;n[12]=d;n[1]=e;n[5]=f;n[9]=g;n[13]=h;n[2]=k;n[6]=m;n[10]=r;n[14]=l;n[3]=q;n[7]=p;n[11]=
+t;n[15]=u;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},clone:function(){return(new P).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15];return this},copyPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,
+b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a=new p;return function(b){var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[3]=0;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[7]=
+0;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;c[11]=0;c[12]=0;c[13]=0;c[14]=0;c[15]=1;return this}}(),makeRotationFromEuler:function(a){a&&a.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var b=this.elements,c=a.x,d=a.y,e=a.z,f=Math.cos(c);c=Math.sin(c);var g=Math.cos(d);d=Math.sin(d);var h=Math.cos(e);e=Math.sin(e);if("XYZ"===a.order){a=f*h;var k=f*e,m=c*h,r=c*e;b[0]=g*h;b[4]=-g*e;b[8]=d;b[1]=k+m*d;b[5]=a-r*d;b[9]=-c*g;b[2]=
+r-a*d;b[6]=m+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,m=d*h,r=d*e,b[0]=a+r*c,b[4]=m*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-m,b[6]=r+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,m=d*h,r=d*e,b[0]=a-r*c,b[4]=-f*e,b[8]=m+k*c,b[1]=k+m*c,b[5]=f*h,b[9]=r-a*c,b[2]=-f*d,b[6]=c,b[10]=f*g):"ZYX"===a.order?(a=f*h,k=f*e,m=c*h,r=c*e,b[0]=g*h,b[4]=m*d-k,b[8]=a*d+r,b[1]=g*e,b[5]=r*d+a,b[9]=k*d-m,b[2]=-d,b[6]=c*g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*d,m=c*g,r=c*d,b[0]=g*h,b[4]=r-a*e,b[8]=m*e+k,b[1]=
+e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+m,b[10]=a-r*e):"XZY"===a.order&&(a=f*g,k=f*d,m=c*g,r=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+r,b[5]=f*h,b[9]=k*e-m,b[2]=m*e-k,b[6]=c*h,b[10]=r*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(){var a=new p(0,0,0),b=new p(1,1,1);return function(c){return this.compose(a,c,b)}}(),lookAt:function(){var a=new p,b=new p,c=new p;return function(d,e,f){var g=this.elements;c.subVectors(d,e);0===c.lengthSq()&&
+(c.z=1);c.normalize();a.crossVectors(f,c);0===a.lengthSq()&&(1===Math.abs(f.z)?c.x+=1E-4:c.z+=1E-4,c.normalize(),a.crossVectors(f,c));a.normalize();b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,
+this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[4],f=c[8],g=c[12],h=c[1],k=c[5],m=c[9],r=c[13],n=c[2],l=c[6],p=c[10],t=c[14],u=c[3],x=c[7],y=c[11];c=c[15];var v=d[0],H=d[4],G=d[8],I=d[12],z=d[1],C=d[5],A=d[9],D=d[13],B=d[2],E=d[6],F=d[10],K=d[14],M=d[3],J=d[7],L=d[11];d=d[15];b[0]=a*v+e*z+f*B+g*M;b[4]=a*H+e*C+f*E+g*J;b[8]=a*G+e*A+f*F+g*L;b[12]=a*I+e*D+f*K+g*d;b[1]=h*v+k*z+m*B+r*M;b[5]=h*H+k*C+m*E+r*J;b[9]=h*G+k*A+m*F+r*L;b[13]=h*I+k*D+m*K+r*d;b[2]=
+n*v+l*z+p*B+t*M;b[6]=n*H+l*C+p*E+t*J;b[10]=n*G+l*A+p*F+t*L;b[14]=n*I+l*D+p*K+t*d;b[3]=u*v+x*z+y*B+c*M;b[7]=u*H+x*C+y*E+c*J;b[11]=u*G+x*A+y*F+c*L;b[15]=u*I+x*D+y*K+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=
+b.getZ(c),a.applyMatrix4(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],k=a[13],m=a[2],r=a[6],n=a[10],l=a[14];return a[3]*(+e*h*r-d*k*r-e*g*n+c*k*n+d*g*l-c*h*l)+a[7]*(+b*h*l-b*k*n+e*f*n-d*f*l+d*k*m-e*h*m)+a[11]*(+b*k*r-b*g*l-e*f*r+c*f*l+e*g*m-c*k*m)+a[15]*(-d*g*m-b*h*r+b*g*n+d*f*r-c*f*n+c*h*m)},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;
+b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},setPosition:function(a){var b=this.elements;b[12]=a.x;b[13]=a.y;b[14]=a.z;return this},getInverse:function(a,b){var c=this.elements,d=a.elements;a=d[0];var e=d[1],f=d[2],g=d[3],h=d[4],k=d[5],m=d[6],l=d[7],n=d[8],q=d[9],p=d[10],t=d[11],u=d[12],x=d[13],y=d[14];d=d[15];var v=q*y*l-x*p*l+x*m*t-k*y*t-q*m*d+k*p*d,H=u*p*l-n*y*l-u*m*t+h*y*t+n*m*d-h*p*d,G=n*x*l-u*q*l+u*k*t-h*x*t-n*k*d+h*q*d,I=u*q*m-n*x*m-u*k*p+h*x*
+p+n*k*y-h*q*y,z=a*v+e*H+f*G+g*I;if(0===z){if(!0===b)throw Error("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=1/z;c[0]=v*b;c[1]=(x*p*g-q*y*g-x*f*t+e*y*t+q*f*d-e*p*d)*b;c[2]=(k*y*g-x*m*g+x*f*l-e*y*l-k*f*d+e*m*d)*b;c[3]=(q*m*g-k*p*g-q*f*l+e*p*l+k*f*t-e*m*t)*b;c[4]=H*b;c[5]=(n*y*g-u*p*g+u*f*t-a*y*t-n*f*d+a*p*d)*b;c[6]=(u*m*g-h*y*g-u*f*l+a*y*l+h*f*d-a*m*d)*b;c[7]=(h*p*g-
+n*m*g+n*f*l-a*p*l-h*f*t+a*m*t)*b;c[8]=G*b;c[9]=(u*q*g-n*x*g-u*e*t+a*x*t+n*e*d-a*q*d)*b;c[10]=(h*x*g-u*k*g+u*e*l-a*x*l-h*e*d+a*k*d)*b;c[11]=(n*k*g-h*q*g-n*e*l+a*q*l+h*e*t-a*k*t)*b;c[12]=I*b;c[13]=(n*x*f-u*q*f+u*e*p-a*x*p-n*e*y+a*q*y)*b;c[14]=(u*k*f-h*x*f-u*e*m+a*x*m+h*e*y-a*k*y)*b;c[15]=(h*q*f-n*k*f+n*e*m-a*q*m-h*e*p+a*k*p)*b;return this},scale:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},
+getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10]))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=
+Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=1-c,e=a.x,f=a.y;a=a.z;var g=d*e,h=d*f;this.set(g*e+c,g*f-b*a,g*a+b*f,0,g*f+b*a,h*f+c,h*a-b*e,0,g*a-b*f,h*a+b*e,d*a*a+c,0,0,0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeShear:function(a,b,c){this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1);return this},compose:function(a,b,c){var d=this.elements,e=
+b._x,f=b._y,g=b._z,h=b._w,k=e+e,m=f+f,l=g+g;b=e*k;var n=e*m;e*=l;var q=f*m;f*=l;g*=l;k*=h;m*=h;h*=l;l=c.x;var p=c.y;c=c.z;d[0]=(1-(q+g))*l;d[1]=(n+h)*l;d[2]=(e-m)*l;d[3]=0;d[4]=(n-h)*p;d[5]=(1-(b+g))*p;d[6]=(f+k)*p;d[7]=0;d[8]=(e+m)*c;d[9]=(f-k)*c;d[10]=(1-(b+q))*c;d[11]=0;d[12]=a.x;d[13]=a.y;d[14]=a.z;d[15]=1;return this},decompose:function(){var a=new p,b=new P;return function(c,d,e){var f=this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),k=a.set(f[8],f[9],f[10]).length();
+0>this.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.copy(this);c=1/g;f=1/h;var m=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=m;b.elements[9]*=m;b.elements[10]*=m;d.setFromRotationMatrix(b);e.x=g;e.y=h;e.z=k;return this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var g=this.elements;g[0]=
+2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(c-d);g[9]=(c+d)/(c-d);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),k=1/(c-d),m=1/(f-e);g[0]=2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*m;g[14]=-((f+e)*m);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=
+0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;16>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}});Object.assign(ja,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,
+d)},slerpFlat:function(a,b,c,d,e,f,g){var h=c[d+0],k=c[d+1],m=c[d+2];c=c[d+3];d=e[f+0];var l=e[f+1],n=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==l||m!==n){f=1-g;var q=h*d+k*l+m*n+c*e,p=0<=q?1:-1,t=1-q*q;t>Number.EPSILON&&(t=Math.sqrt(t),q=Math.atan2(t,q*p),f=Math.sin(f*q)/t,g=Math.sin(g*q)/t);p*=g;h=h*f+d*p;k=k*f+l*p;m=m*f+n*p;c=c*f+e*p;f===1-g&&(g=1/Math.sqrt(h*h+k*k+m*m+c*c),h*=g,k*=g,m*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=m;a[b+3]=c}});Object.defineProperties(ja.prototype,{x:{get:function(){return this._x},
+set:function(a){this._x=a;this.onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a;this.onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a;this.onChangeCallback()}},w:{get:function(){return this._w},set:function(a){this._w=a;this.onChangeCallback()}}});Object.assign(ja.prototype,{isQuaternion:!0,set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this.onChangeCallback();return this},clone:function(){return new this.constructor(this._x,
+this._y,this._z,this._w)},copy:function(a){this._x=a.x;this._y=a.y;this._z=a.z;this._w=a.w;this.onChangeCallback();return this},setFromEuler:function(a,b){if(!a||!a.isEuler)throw Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var c=a._x,d=a._y,e=a._z;a=a.order;var f=Math.cos,g=Math.sin,h=f(c/2),k=f(d/2);f=f(e/2);c=g(c/2);d=g(d/2);e=g(e/2);"XYZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"YXZ"===a?
+(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"ZXY"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"ZYX"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"YZX"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f-c*d*e):"XZY"===a&&(this._x=c*k*f-h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f+c*d*e);if(!1!==b)this.onChangeCallback();return this},setFromAxisAngle:function(a,
+b){b/=2;var c=Math.sin(b);this._x=a.x*c;this._y=a.y*c;this._z=a.z*c;this._w=Math.cos(b);this.onChangeCallback();return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6];b=b[10];var m=c+f+b;0<m?(c=.5/Math.sqrt(m+1),this._w=.25/c,this._x=(k-g)*c,this._y=(d-h)*c,this._z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=
+.25*c,this._z=(g+k)/c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this.onChangeCallback();return this},setFromUnitVectors:function(){var a=new p,b;return function(c,d){void 0===a&&(a=new p);b=c.dot(d)+1;1E-6>b?(b=0,Math.abs(c.x)>Math.abs(c.z)?a.set(-c.y,c.x,0):a.set(0,-c.z,c.y)):a.crossVectors(c,d);this._x=a.x;this._y=a.y;this._z=a.z;this._w=b;return this.normalize()}}(),angleTo:function(a){return 2*Math.acos(Math.abs(R.clamp(this.dot(a),-1,1)))},rotateTowards:function(a,
+b){var c=this.angleTo(a);if(0===c)return this;this.slerp(a,Math.min(1,b/c));return this},inverse:function(){return this.conjugate()},conjugate:function(){this._x*=-1;this._y*=-1;this._z*=-1;this.onChangeCallback();return this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var a=
+this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this.onChangeCallback();return this},multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z;a=a._w;
+var f=b._x,g=b._y,h=b._z;b=b._w;this._x=c*b+a*f+d*h-e*g;this._y=d*b+a*g+e*f-c*h;this._z=e*b+a*h+c*g-d*f;this._w=a*b-c*f-d*g-e*h;this.onChangeCallback();return this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;a=1-g*g;if(a<=Number.EPSILON)return g=1-b,this._w=g*
+f+b*this._w,this._x=g*c+b*this._x,this._y=g*d+b*this._y,this._z=g*e+b*this._z,this.normalize();a=Math.sqrt(a);var h=Math.atan2(a,g);g=Math.sin((1-b)*h)/a;b=Math.sin(b*h)/a;this._w=f*g+this._w*b;this._x=c*g+this._x*b;this._y=d*g+this._y*b;this._z=e*g+this._z*b;this.onChangeCallback();return this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3];this.onChangeCallback();
+return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._w;return a},onChange:function(a){this.onChangeCallback=a;return this},onChangeCallback:function(){}});Object.assign(p.prototype,{isVector3:!0,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},
+setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
+this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;
+return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},multiply:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},multiplyVectors:function(a,b){this.x=a.x*
+b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},applyEuler:function(){var a=new ja;return function(b){b&&b.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");return this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a=new ja;return function(b,c){return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*
+b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*d;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;var e=1/(a[3]*b+a[7]*c+a[11]*d+a[15]);this.x=(a[0]*b+a[4]*c+a[8]*d+a[12])*e;this.y=(a[1]*b+a[5]*c+a[9]*d+a[13])*e;this.z=(a[2]*b+a[6]*c+a[10]*d+a[14])*e;return this},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,m=a*d+e*c-f*b;b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g-m*-f;this.y=k*a+b*-f+m*-e-h*-g;this.z=m*a+b*
+-g+h*-f-k*-e;return this},project:function(a){return this.applyMatrix4(a.matrixWorldInverse).applyMatrix4(a.projectionMatrix)},unproject:function(){var a=new P;return function(b){return this.applyMatrix4(a.getInverse(b.projectionMatrix)).applyMatrix4(b.matrixWorld)}}(),transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;return this.normalize()},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=
+a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(){var a=new p,b=new p;
+return function(c,d){a.set(c,c,c);b.set(d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);
+return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},manhattanLength:function(){return Math.abs(this.x)+
+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},cross:function(a,b){return void 0!==b?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,
+b)):this.crossVectors(this,a)},crossVectors:function(a,b){var c=a.x,d=a.y;a=a.z;var e=b.x,f=b.y;b=b.z;this.x=d*b-a*f;this.y=a*e-c*b;this.z=c*f-d*e;return this},projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a=new p;return function(b){a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a=new p;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=
+this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(R.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-a.z)},setFromSpherical:function(a){return this.setFromSphericalCoords(a.radius,a.phi,a.theta)},setFromSphericalCoords:function(a,b,c){var d=Math.sin(b)*a;this.x=
+d*Math.sin(c);this.y=Math.cos(b)*a;this.z=d*Math.cos(c);return this},setFromCylindrical:function(a){return this.setFromCylindricalCoords(a.radius,a.theta,a.y)},setFromCylindricalCoords:function(a,b,c){this.x=a*Math.sin(b);this.y=c;this.z=a*Math.cos(b);return this},setFromMatrixPosition:function(a){a=a.elements;this.x=a[12];this.y=a[13];this.z=a[14];return this},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length();a=this.setFromMatrixColumn(a,
+2).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");
+this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);return this}});Object.assign(oa.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=f;m[8]=k;return this},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=
+a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;
+b=this.elements;a=c[0];var e=c[3],f=c[6],g=c[1],h=c[4],k=c[7],m=c[2],l=c[5];c=c[8];var n=d[0],q=d[3],p=d[6],t=d[1],u=d[4],x=d[7],y=d[2],v=d[5];d=d[8];b[0]=a*n+e*t+f*y;b[3]=a*q+e*u+f*v;b[6]=a*p+e*x+f*d;b[1]=g*n+h*t+k*y;b[4]=g*q+h*u+k*v;b[7]=g*p+h*x+k*d;b[2]=m*n+l*t+c*y;b[5]=m*q+l*u+c*v;b[8]=m*p+l*x+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],
+d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7];a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");var c=a.elements;a=this.elements;var d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],k=c[5],m=c[6],l=c[7];c=c[8];var n=c*h-k*l,q=k*m-c*g,p=l*g-h*m,t=d*n+e*q+f*p;if(0===t){if(!0===b)throw Error("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");
+return this.identity()}b=1/t;a[0]=n*b;a[1]=(f*l-c*e)*b;a[2]=(k*e-f*h)*b;a[3]=q*b;a[4]=(c*d-f*m)*b;a[5]=(f*g-k*d)*b;a[6]=p*b;a[7]=(e*m-l*d)*b;a[8]=(h*d-e*g)*b;return this},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[3];a[3]=b;b=a[2];a[2]=a[6];a[6]=b;b=a[5];a[5]=a[7];a[7]=b;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=
+b[2];a[7]=b[5];a[8]=b[8];return this},setUvTransform:function(a,b,c,d,e,f,g){var h=Math.cos(e);e=Math.sin(e);this.set(c*h,c*e,-c*(h*f+e*g)+f+a,-d*e,d*h,-d*(-e*f+h*g)+g+b,0,0,1)},scale:function(a,b){var c=this.elements;c[0]*=a;c[3]*=a;c[6]*=a;c[1]*=b;c[4]*=b;c[7]*=b;return this},rotate:function(a){var b=Math.cos(a);a=Math.sin(a);var c=this.elements,d=c[0],e=c[3],f=c[6],g=c[1],h=c[4],k=c[7];c[0]=b*d+a*g;c[3]=b*e+a*h;c[6]=b*f+a*k;c[1]=-a*d+b*g;c[4]=-a*e+b*h;c[7]=-a*f+b*k;return this},translate:function(a,
+b){var c=this.elements;c[0]+=a*c[2];c[3]+=a*c[5];c[6]+=a*c[8];c[1]+=b*c[2];c[4]+=b*c[5];c[7]+=b*c[8];return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;9>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];
+return a}});var jb={getDataURL:function(a){if("undefined"==typeof HTMLCanvasElement)return a.src;if(a instanceof HTMLCanvasElement)var b=a;else{b=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");b.width=a.width;b.height=a.height;var c=b.getContext("2d");a instanceof ImageData?c.putImageData(a,0,0):c.drawImage(a,0,0,a.width,a.height)}return 2048<b.width||2048<b.height?b.toDataURL("image/jpeg",.6):b.toDataURL("image/png")}},Kf=0;W.DEFAULT_IMAGE=void 0;W.DEFAULT_MAPPING=300;W.prototype=
+Object.assign(Object.create(ia.prototype),{constructor:W,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.image=a.image;this.mipmaps=a.mipmaps.slice(0);this.mapping=a.mapping;this.wrapS=a.wrapS;this.wrapT=a.wrapT;this.magFilter=a.magFilter;this.minFilter=a.minFilter;this.anisotropy=a.anisotropy;
+this.format=a.format;this.type=a.type;this.offset.copy(a.offset);this.repeat.copy(a.repeat);this.center.copy(a.center);this.rotation=a.rotation;this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrix.copy(a.matrix);this.generateMipmaps=a.generateMipmaps;this.premultiplyAlpha=a.premultiplyAlpha;this.flipY=a.flipY;this.unpackAlignment=a.unpackAlignment;this.encoding=a.encoding;return this},toJSON:function(a){var b=void 0===a||"string"===typeof a;if(!b&&void 0!==a.textures[this.uuid])return a.textures[this.uuid];
+var c={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,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,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY};if(void 0!==this.image){var d=this.image;void 0===d.uuid&&(d.uuid=R.generateUUID());if(!b&&void 0===a.images[d.uuid]){if(Array.isArray(d)){var e=
+[];for(var f=0,g=d.length;f<g;f++)e.push(jb.getDataURL(d[f]))}else e=jb.getDataURL(d);a.images[d.uuid]={uuid:d.uuid,url:e}}c.image=d.uuid}b||(a.textures[this.uuid]=c);return c},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(a){if(300!==this.mapping)return a;a.applyMatrix3(this.matrix);if(0>a.x||1<a.x)switch(this.wrapS){case 1E3:a.x-=Math.floor(a.x);break;case 1001:a.x=0>a.x?0:1;break;case 1002:a.x=1===Math.abs(Math.floor(a.x)%2)?Math.ceil(a.x)-a.x:a.x-Math.floor(a.x)}if(0>
+a.y||1<a.y)switch(this.wrapT){case 1E3:a.y-=Math.floor(a.y);break;case 1001:a.y=0>a.y?0:1;break;case 1002:a.y=1===Math.abs(Math.floor(a.y)%2)?Math.ceil(a.y)-a.y:a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y);return a}});Object.defineProperty(W.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.assign(Z.prototype,{isVector4:!0,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=
+a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,
+this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},
+addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;this.w-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},multiplyScalar:function(a){this.x*=
+a;this.y*=a;this.z*=a;this.w*=a;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=a[2]*b+a[6]*c+a[10]*d+a[14]*e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/
+b);return this},setAxisAngleFromRotationMatrix:function(a){a=a.elements;var b=a[0];var c=a[4];var d=a[8],e=a[1],f=a[5],g=a[9];var h=a[2];var k=a[6];var m=a[10];if(.01>Math.abs(c-e)&&.01>Math.abs(d-h)&&.01>Math.abs(g-k)){if(.1>Math.abs(c+e)&&.1>Math.abs(d+h)&&.1>Math.abs(g+k)&&.1>Math.abs(b+f+m-3))return this.set(1,0,0,0),this;a=Math.PI;b=(b+1)/2;f=(f+1)/2;m=(m+1)/2;c=(c+e)/4;d=(d+h)/4;g=(g+k)/4;b>f&&b>m?.01>b?(k=0,c=h=.707106781):(k=Math.sqrt(b),h=c/k,c=d/k):f>m?.01>f?(k=.707106781,h=0,c=.707106781):
+(h=Math.sqrt(f),k=c/h,c=g/h):.01>m?(h=k=.707106781,c=0):(c=Math.sqrt(m),k=d/c,h=g/c);this.set(k,h,c,a);return this}a=Math.sqrt((k-g)*(k-g)+(d-h)*(d-h)+(e-c)*(e-c));.001>Math.abs(a)&&(a=1);this.x=(k-g)/a;this.y=(d-h)/a;this.z=(e-c)/a;this.w=Math.acos((b+f+m-1)/2);return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,
+a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));this.w=Math.max(a.w,Math.min(b.w,this.w));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new Z,b=new Z);a.set(c,c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},
+floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);this.w=Math.round(this.w);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):
+Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?Math.ceil(this.w):Math.floor(this.w);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},manhattanLength:function(){return Math.abs(this.x)+
+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===
+b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);this.w=a.getW(b);return this}});kb.prototype=Object.assign(Object.create(ia.prototype),{constructor:kb,isWebGLRenderTarget:!0,
+setSize:function(a,b){if(this.width!==a||this.height!==b)this.width=a,this.height=b,this.dispose();this.viewport.set(0,0,a,b);this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.width=a.width;this.height=a.height;this.viewport.copy(a.viewport);this.texture=a.texture.clone();this.depthBuffer=a.depthBuffer;this.stencilBuffer=a.stencilBuffer;this.depthTexture=a.depthTexture;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});
+Jb.prototype=Object.create(kb.prototype);Jb.prototype.constructor=Jb;Jb.prototype.isWebGLRenderTargetCube=!0;lb.prototype=Object.create(W.prototype);lb.prototype.constructor=lb;lb.prototype.isDataTexture=!0;Object.assign(Wa.prototype,{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],l=a[h+1],n=a[h+2];m<b&&(b=m);l<c&&(c=l);n<d&&(d=n);m>
+e&&(e=m);l>f&&(f=l);n>g&&(g=n)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<k;h++){var m=a.getX(h),l=a.getY(h),n=a.getZ(h);m<b&&(b=m);l<c&&(c=l);n<d&&(d=n);m>e&&(e=m);l>f&&(f=l);n>g&&(g=n)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=
+new p;return function(b,c){c=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(c);this.max.copy(b).add(c);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<
+this.min.y||this.max.z<this.min.z},getCenter:function(a){void 0===a&&(console.warn("THREE.Box3: .getCenter() target is now required"),a=new p);return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){void 0===a&&(console.warn("THREE.Box3: .getSize() target is now required"),a=new p);return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);
+this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},expandByObject:function(){function a(a){var f=a.geometry;if(void 0!==f)if(f.isGeometry)for(f=f.vertices,c=0,d=f.length;c<d;c++)e.copy(f[c]),e.applyMatrix4(a.matrixWorld),b.expandByPoint(e);else if(f.isBufferGeometry&&(f=f.attributes.position,void 0!==f))for(c=0,d=f.count;c<d;c++)e.fromBufferAttribute(f,c).applyMatrix4(a.matrixWorld),b.expandByPoint(e)}var b,c,d,e=new p;return function(c){b=
+this;c.updateMatrixWorld(!0);c.traverse(a);return this}}(),containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a,b){void 0===b&&(console.warn("THREE.Box3: .getParameter() target is now required"),b=new p);return b.set((a.x-this.min.x)/(this.max.x-
+this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a=new p;return function(b){this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){if(0<a.normal.x){var b=a.normal.x*this.min.x;var c=a.normal.x*this.max.x}else b=
+a.normal.x*this.max.x,c=a.normal.x*this.min.x;0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=-a.constant&&c>=-a.constant},intersectsTriangle:function(){function a(a){var e;var f=0;for(e=a.length-3;f<=e;f+=3){h.fromArray(a,f);var g=m.x*Math.abs(h.x)+m.y*Math.abs(h.y)+m.z*Math.abs(h.z),k=b.dot(h),l=c.dot(h),
+n=d.dot(h);if(Math.max(-Math.max(k,l,n),Math.min(k,l,n))>g)return!1}return!0}var b=new p,c=new p,d=new p,e=new p,f=new p,g=new p,h=new p,k=new p,m=new p,l=new p;return function(h){if(this.isEmpty())return!1;this.getCenter(k);m.subVectors(this.max,k);b.subVectors(h.a,k);c.subVectors(h.b,k);d.subVectors(h.c,k);e.subVectors(c,b);f.subVectors(d,c);g.subVectors(b,d);h=[0,-e.z,e.y,0,-f.z,f.y,0,-g.z,g.y,e.z,0,-e.x,f.z,0,-f.x,g.z,0,-g.x,-e.y,e.x,0,-f.y,f.x,0,-g.y,g.x,0];if(!a(h))return!1;h=[1,0,0,0,1,0,0,
+0,1];if(!a(h))return!1;l.crossVectors(e,f);h=[l.x,l.y,l.z];return a(h)}}(),clampPoint:function(a,b){void 0===b&&(console.warn("THREE.Box3: .clampPoint() target is now required"),b=new p);return b.copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new p;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new p;return function(b){void 0===b&&(console.warn("THREE.Box3: .getBoundingSphere() target is now required"),b=new Ga);
+this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new p,new p,new p,new p,new p,new p,new p,new p];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);
+a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
+a.max.equals(this.max)}});Object.assign(Ga.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=new Wa;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=c=0,f=b.length;e<f;e++)c=Math.max(c,d.distanceToSquared(b[e]));this.radius=Math.sqrt(c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=
+this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(a.distanceToPoint(this.center))<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a);
+void 0===b&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),b=new p);b.copy(a);c>this.radius*this.radius&&(b.sub(this.center).normalize(),b.multiplyScalar(this.radius).add(this.center));return b},getBoundingBox:function(a){void 0===a&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),a=new Wa);a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},
+translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(Pa.prototype,{set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a);this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=new p,b=new p;return function(c,d,e){d=
+a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-
+a.radius},projectPoint:function(a,b){void 0===b&&(console.warn("THREE.Plane: .projectPoint() target is now required"),b=new p);return b.copy(this.normal).multiplyScalar(-this.distanceToPoint(a)).add(a)},intersectLine:function(){var a=new p;return function(b,c){void 0===c&&(console.warn("THREE.Plane: .intersectLine() target is now required"),c=new p);var d=b.delta(a),e=this.normal.dot(d);if(0===e){if(0===this.distanceToPoint(b.start))return c.copy(b.start)}else if(e=-(b.start.dot(this.normal)+this.constant)/
+e,!(0>e||1<e))return c.copy(d).multiplyScalar(e).add(b.start)}}(),intersectsLine:function(a){var b=this.distanceToPoint(a.start);a=this.distanceToPoint(a.end);return 0>b&&0<a||0>a&&0<b},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){void 0===a&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),a=new p);return a.copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var a=
+new p,b=new oa;return function(c,d){d=d||b.getNormalMatrix(c);c=this.coplanarPoint(a).applyMatrix4(c);d=this.normal.applyMatrix3(d).normalize();this.constant=-c.dot(d);return this}}(),translate:function(a){this.constant-=a.dot(this.normal);return this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}});Object.assign(rd.prototype,{set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);g[5].copy(f);return this},
+clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],m=c[7],l=c[8],n=c[9],q=c[10],p=c[11],t=c[12],u=c[13],x=c[14];c=c[15];b[0].setComponents(f-a,m-g,p-l,c-t).normalize();b[1].setComponents(f+a,m+g,p+l,c+t).normalize();b[2].setComponents(f+d,m+h,p+n,c+u).normalize();b[3].setComponents(f-d,m-h,p-n,c-
+u).normalize();b[4].setComponents(f-e,m-k,p-q,c-x).normalize();b[5].setComponents(f+e,m+k,p+q,c+x).normalize();return this},intersectsObject:function(){var a=new Ga;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new Ga;return function(b){a.center.set(0,0,0);a.radius=.7071067811865476;a.applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),
 intersectsSphere:function(a){var b=this.planes,c=a.center;a=-a.radius;for(var d=0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},intersectsBox:function(){var a=new p;return function(b){for(var c=this.planes,d=0;6>d;d++){var e=c[d];a.x=0<e.normal.x?b.max.x:b.min.x;a.y=0<e.normal.y?b.max.y:b.min.y;a.z=0<e.normal.z?b.max.z:b.min.z;if(0>e.distanceToPoint(a))return!1}return!0}}(),containsPoint:function(a){for(var b=this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0}});var L=
 {alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n",alphatest_fragment:"#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( PHYSICAL )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif\n",
 aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"\nvec3 transformed = vec3( position );\n",beginnormal_vertex:"\nvec3 objectNormal = vec3( normal );\n",bsdfs:"float punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE  = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS  = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n",
diff --git a/build/three.module.js b/build/three.module.js
index 920cfcc20838229e6a515445399cdc7259983a74..d4f9a8e37b2be4aed1b002a04be8049d648296a4 100644
--- a/build/three.module.js
+++ b/build/three.module.js
@@ -21271,7 +21271,7 @@ var cameraLPos = new Vector3();
 var cameraRPos = new Vector3();
 
 /**
- * Assumes 2 cameras that are perpendicular and share an X-axis, and that
+ * Assumes 2 cameras that are parallel and share an X-axis, and that
  * the cameras' projection and world matrices have already been set.
  * And that near and far planes are identical for both cameras.
  */
@@ -21293,22 +21293,22 @@ function setProjectionFromUnion( camera, cameraL, cameraR ) {
 
 	var leftFovL = ( projL[ 8 ] - 1 ) / projL[ 0 ];
 	var rightFovR = ( projR[ 8 ] + 1 ) / projR[ 0 ];
-	var leftL = leftFovL * near;
-	var rightR = rightFovR * near;
+	var leftL = near * leftFovL;
+	var rightR = near * rightFovR;
 	var topL = near * ( projL[ 9 ] + 1 ) / projL[ 5 ];
 	var topR = near * ( projR[ 9 ] + 1 ) / projR[ 5 ];
 	var bottomL = near * ( projL[ 9 ] - 1 ) / projL[ 5 ];
 	var bottomR = near * ( projR[ 9 ] - 1 ) / projR[ 5 ];
 
 	// Calculate the new camera's position offset from the
-	// left camera.
-	var zOffset = ipd / ( leftFovL - rightFovR );
-	var xOffset = zOffset * leftFovL;
+	// left camera. xOffset should be roughly half `ipd`.
+	var zOffset = ipd / ( - leftFovL + rightFovR );
+	var xOffset = zOffset * - leftFovL;
 
 	// TODO: Better way to apply this offset?
 	cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale );
 	camera.translateX( xOffset );
-	camera.translateZ( - zOffset * 2 );
+	camera.translateZ( zOffset );
 	camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale );
 	camera.matrixWorldInverse.getInverse( camera.matrixWorld );
 
@@ -36940,10 +36940,10 @@ function OrthographicCamera( left, right, top, bottom, near, far ) {
 	this.zoom = 1;
 	this.view = null;
 
-	this.left = left;
-	this.right = right;
-	this.top = top;
-	this.bottom = bottom;
+	this.left = ( left !== undefined ) ? left : - 1;
+	this.right = ( right !== undefined ) ? right : 1;
+	this.top = ( top !== undefined ) ? top : 1;
+	this.bottom = ( bottom !== undefined ) ? bottom : - 1;
 
 	this.near = ( near !== undefined ) ? near : 0.1;
 	this.far = ( far !== undefined ) ? far : 2000;