Updated builds.

build/three.js

@@ -8166,13 +8166,18 @@
 
 		},
 
-		getWorldPosition: function ( optionalTarget ) {
+		getWorldPosition: function ( target ) {
 
-			var result = optionalTarget || new Vector3();
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldPosition() target is now required' );
+				target = new Vector3();
+
+			}
 
 			this.updateMatrixWorld( true );
 
-			return result.setFromMatrixPosition( this.matrixWorld );
+			return target.setFromMatrixPosition( this.matrixWorld );
 
 		},
 
@@ -8181,15 +8186,20 @@
 			var position = new Vector3();
 			var scale = new Vector3();
 
-			return function getWorldQuaternion( optionalTarget ) {
+			return function getWorldQuaternion( target ) {
+
+				if ( target === undefined ) {
+
+					console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' );
+					target = new Quaternion();
 
-				var result = optionalTarget || new Quaternion();
+				}
 
 				this.updateMatrixWorld( true );
 
-				this.matrixWorld.decompose( position, result, scale );
+				this.matrixWorld.decompose( position, target, scale );
 
-				return result;
+				return target;
 
 			};
 
@@ -8199,13 +8209,18 @@
 
 			var quaternion = new Quaternion();
 
-			return function getWorldRotation( optionalTarget ) {
+			return function getWorldRotation( target ) {
+
+				if ( target === undefined ) {
 
-				var result = optionalTarget || new Euler();
+					console.warn( 'THREE.Object3D: .getWorldRotation() target is now required' );
+					target = new Euler();
+
+				}
 
 				this.getWorldQuaternion( quaternion );
 
-				return result.setFromQuaternion( quaternion, this.rotation.order, false );
+				return target.setFromQuaternion( quaternion, this.rotation.order, false );
 
 			};
 
@@ -8216,15 +8231,20 @@
 			var position = new Vector3();
 			var quaternion = new Quaternion();
 
-			return function getWorldScale( optionalTarget ) {
+			return function getWorldScale( target ) {
 
-				var result = optionalTarget || new Vector3();
+				if ( target === undefined ) {
+
+					console.warn( 'THREE.Object3D: .getWorldScale() target is now required' );
+					target = new Vector3();
+
+				}
 
 				this.updateMatrixWorld( true );
 
-				this.matrixWorld.decompose( position, quaternion, result );
+				this.matrixWorld.decompose( position, quaternion, target );
 
-				return result;
+				return target;
 
 			};
 
@@ -8234,13 +8254,18 @@
 
 			var quaternion = new Quaternion();
 
-			return function getWorldDirection( optionalTarget ) {
+			return function getWorldDirection( target ) {
 
-				var result = optionalTarget || new Vector3();
+				if ( target === undefined ) {
+
+					console.warn( 'THREE.Object3D: .getWorldDirection() target is now required' );
+					target = new Vector3();
+
+				}
 
 				this.getWorldQuaternion( quaternion );
 
-				return result.set( 0, 0, 1 ).applyQuaternion( quaternion );
+				return target.set( 0, 0, 1 ).applyQuaternion( quaternion );
 
 			};
 
@@ -8589,13 +8614,18 @@
 
 			var quaternion = new Quaternion();
 
-			return function getWorldDirection( optionalTarget ) {
+			return function getWorldDirection( target ) {
 
-				var result = optionalTarget || new Vector3();
+				if ( target === undefined ) {
+
+					console.warn( 'THREE.Camera: .getWorldDirection() target is now required' );
+					target = new Vector3();
+
+				}
 
 				this.getWorldQuaternion( quaternion );
 
-				return result.set( 0, 0, - 1 ).applyQuaternion( quaternion );
+				return target.set( 0, 0, - 1 ).applyQuaternion( quaternion );
 
 			};
 

build/three.min.js

@@ -481,32 +481,33 @@ c);this.quaternion.multiply(a);return this}}(),rotateOnWorldAxis:function(){var
 c){a.copy(b).applyQuaternion(this.quaternion);this.position.add(a.multiplyScalar(c));return this}}(),translateX:function(){var a=new p(1,0,0);return function(b){return this.translateOnAxis(a,b)}}(),translateY:function(){var a=new p(0,1,0);return function(b){return this.translateOnAxis(a,b)}}(),translateZ:function(){var a=new p(0,0,1);return function(b){return this.translateOnAxis(a,b)}}(),localToWorld:function(a){return a.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var a=new L;return function(b){return b.applyMatrix4(a.getInverse(this.matrixWorld))}}(),
 lookAt:function(){var a=new L,b=new p;return function(c,d,e){c.isVector3?b.copy(c):b.set(c,d,e);this.isCamera?a.lookAt(this.position,b,this.up):a.lookAt(b,this.position,this.up);this.quaternion.setFromRotationMatrix(a)}}(),add:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.add(arguments[b]);return this}if(a===this)return console.error("THREE.Object3D.add: object can't be added as a child of itself.",a),this;a&&a.isObject3D?(null!==a.parent&&a.parent.remove(a),a.parent=
 this,a.dispatchEvent({type:"added"}),this.children.push(a)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",a);return this},remove:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.remove(arguments[b]);return this}b=this.children.indexOf(a);-1!==b&&(a.parent=null,a.dispatchEvent({type:"removed"}),this.children.splice(b,1));return this},getObjectById:function(a){return this.getObjectByProperty("id",a)},getObjectByName:function(a){return this.getObjectByProperty("name",
-a)},getObjectByProperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c].getObjectByProperty(a,b);if(void 0!==e)return e}},getWorldPosition:function(a){a=a||new p;this.updateMatrixWorld(!0);return a.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var a=new p,b=new p;return function(c){c=c||new da;this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,c,b);return c}}(),getWorldRotation:function(){var a=new da;return function(b){b=
-b||new Za;this.getWorldQuaternion(a);return b.setFromQuaternion(a,this.rotation.order,!1)}}(),getWorldScale:function(){var a=new p,b=new da;return function(c){c=c||new p;this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,b,c);return c}}(),getWorldDirection:function(){var a=new da;return function(b){b=b||new p;this.getWorldQuaternion(a);return b.set(0,0,1).applyQuaternion(a)}}(),raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},
-traverseVisible:function(a){if(!1!==this.visible){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverseVisible(a)}},traverseAncestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseAncestors(a))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,
-this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].updateMatrixWorld(a)},toJSON:function(a){function b(b,c){void 0===b[c.uuid]&&(b[c.uuid]=c.toJSON(a));return c.uuid}function c(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var d=void 0===a||"string"===typeof a,e={};d&&(a={geometries:{},materials:{},textures:{},images:{},shapes:{}},e.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var f={};f.uuid=this.uuid;
-f.type=this.type;""!==this.name&&(f.name=this.name);!0===this.castShadow&&(f.castShadow=!0);!0===this.receiveShadow&&(f.receiveShadow=!0);!1===this.visible&&(f.visible=!1);!1===this.frustumCulled&&(f.frustumCulled=!1);0!==this.renderOrder&&(f.renderOrder=this.renderOrder);"{}"!==JSON.stringify(this.userData)&&(f.userData=this.userData);f.matrix=this.matrix.toArray();if(void 0!==this.geometry){f.geometry=b(a.geometries,this.geometry);var g=this.geometry.parameters;if(void 0!==g&&void 0!==g.shapes)if(g=
-g.shapes,Array.isArray(g))for(var h=0,k=g.length;h<k;h++)b(a.shapes,g[h]);else b(a.shapes,g)}if(void 0!==this.material)if(Array.isArray(this.material)){g=[];h=0;for(k=this.material.length;h<k;h++)g.push(b(a.materials,this.material[h]));f.material=g}else f.material=b(a.materials,this.material);if(0<this.children.length)for(f.children=[],h=0;h<this.children.length;h++)f.children.push(this.children[h].toJSON(a).object);if(d){d=c(a.geometries);h=c(a.materials);k=c(a.textures);var m=c(a.images);g=c(a.shapes);
-0<d.length&&(e.geometries=d);0<h.length&&(e.materials=h);0<k.length&&(e.textures=k);0<m.length&&(e.images=m);0<g.length&&(e.shapes=g)}e.object=f;return e},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){void 0===b&&(b=!0);this.name=a.name;this.up.copy(a.up);this.position.copy(a.position);this.quaternion.copy(a.quaternion);this.scale.copy(a.scale);this.matrix.copy(a.matrix);this.matrixWorld.copy(a.matrixWorld);this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrixWorldNeedsUpdate=
-a.matrixWorldNeedsUpdate;this.layers.mask=a.layers.mask;this.visible=a.visible;this.castShadow=a.castShadow;this.receiveShadow=a.receiveShadow;this.frustumCulled=a.frustumCulled;this.renderOrder=a.renderOrder;this.userData=JSON.parse(JSON.stringify(a.userData));if(!0===b)for(b=0;b<a.children.length;b++)this.add(a.children[b].clone());return this}});Na.prototype=Object.assign(Object.create(B.prototype),{constructor:Na,isCamera:!0,copy:function(a,b){B.prototype.copy.call(this,a,b);this.matrixWorldInverse.copy(a.matrixWorldInverse);
-this.projectionMatrix.copy(a.projectionMatrix);return this},getWorldDirection:function(){var a=new da;return function(b){b=b||new p;this.getWorldQuaternion(a);return b.set(0,0,-1).applyQuaternion(a)}}(),updateMatrixWorld:function(a){B.prototype.updateMatrixWorld.call(this,a);this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}});Hb.prototype=Object.assign(Object.create(Na.prototype),{constructor:Hb,isOrthographicCamera:!0,copy:function(a,
-b){Na.prototype.copy.call(this,a,b);this.left=a.left;this.right=a.right;this.top=a.top;this.bottom=a.bottom;this.near=a.near;this.far=a.far;this.zoom=a.zoom;this.view=null===a.view?null:Object.assign({},a.view);return this},setViewOffset:function(a,b,c,d,e,f){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1});this.view.enabled=!0;this.view.fullWidth=a;this.view.fullHeight=b;this.view.offsetX=c;this.view.offsetY=d;this.view.width=e;this.view.height=
-f;this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1);this.updateProjectionMatrix()},updateProjectionMatrix:function(){var a=(this.right-this.left)/(2*this.zoom),b=(this.top-this.bottom)/(2*this.zoom),c=(this.right+this.left)/2,d=(this.top+this.bottom)/2,e=c-a;c+=a;a=d+b;b=d-b;if(null!==this.view&&this.view.enabled){c=this.zoom/(this.view.width/this.view.fullWidth);b=this.zoom/(this.view.height/this.view.fullHeight);var f=(this.right-this.left)/this.view.width;
-d=(this.top-this.bottom)/this.view.height;e+=this.view.offsetX/c*f;c=e+this.view.width/c*f;a-=this.view.offsetY/b*d;b=a-this.view.height/b*d}this.projectionMatrix.makeOrthographic(e,c,a,b,this.near,this.far)},toJSON:function(a){a=B.prototype.toJSON.call(this,a);a.object.zoom=this.zoom;a.object.left=this.left;a.object.right=this.right;a.object.top=this.top;a.object.bottom=this.bottom;a.object.near=this.near;a.object.far=this.far;null!==this.view&&(a.object.view=Object.assign({},this.view));return a}});
-Object.assign(Ta.prototype,{clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a=a.a;this.b=a.b;this.c=a.c;this.normal.copy(a.normal);this.color.copy(a.color);this.materialIndex=a.materialIndex;for(var b=0,c=a.vertexNormals.length;b<c;b++)this.vertexNormals[b]=a.vertexNormals[b].clone();b=0;for(c=a.vertexColors.length;b<c;b++)this.vertexColors[b]=a.vertexColors[b].clone();return this}});var Af=0;M.prototype=Object.assign(Object.create(ua.prototype),{constructor:M,isGeometry:!0,
-applyMatrix:function(a){for(var b=(new qa).getNormalMatrix(a),c=0,d=this.vertices.length;c<d;c++)this.vertices[c].applyMatrix4(a);c=0;for(d=this.faces.length;c<d;c++){a=this.faces[c];a.normal.applyMatrix3(b).normalize();for(var e=0,f=a.vertexNormals.length;e<f;e++)a.vertexNormals[e].applyMatrix3(b).normalize()}null!==this.boundingBox&&this.computeBoundingBox();null!==this.boundingSphere&&this.computeBoundingSphere();this.normalsNeedUpdate=this.verticesNeedUpdate=!0;return this},rotateX:function(){var a=
-new L;return function(b){a.makeRotationX(b);this.applyMatrix(a);return this}}(),rotateY:function(){var a=new L;return function(b){a.makeRotationY(b);this.applyMatrix(a);return this}}(),rotateZ:function(){var a=new L;return function(b){a.makeRotationZ(b);this.applyMatrix(a);return this}}(),translate:function(){var a=new L;return function(b,c,d){a.makeTranslation(b,c,d);this.applyMatrix(a);return this}}(),scale:function(){var a=new L;return function(b,c,d){a.makeScale(b,c,d);this.applyMatrix(a);return this}}(),
-lookAt:function(){var a=new B;return function(b){a.lookAt(b);a.updateMatrix();this.applyMatrix(a.matrix)}}(),fromBufferGeometry:function(a){function b(a,b,d,e){var f=void 0!==g?[l[a].clone(),l[b].clone(),l[d].clone()]:[],p=void 0!==h?[c.colors[a].clone(),c.colors[b].clone(),c.colors[d].clone()]:[];e=new Ta(a,b,d,f,p,e);c.faces.push(e);void 0!==k&&c.faceVertexUvs[0].push([n[a].clone(),n[b].clone(),n[d].clone()]);void 0!==m&&c.faceVertexUvs[1].push([u[a].clone(),u[b].clone(),u[d].clone()])}var c=this,
-d=null!==a.index?a.index.array:void 0,e=a.attributes,f=e.position.array,g=void 0!==e.normal?e.normal.array:void 0,h=void 0!==e.color?e.color.array:void 0,k=void 0!==e.uv?e.uv.array:void 0,m=void 0!==e.uv2?e.uv2.array:void 0;void 0!==m&&(this.faceVertexUvs[1]=[]);for(var l=[],n=[],u=[],r=e=0;e<f.length;e+=3,r+=2)c.vertices.push(new p(f[e],f[e+1],f[e+2])),void 0!==g&&l.push(new p(g[e],g[e+1],g[e+2])),void 0!==h&&c.colors.push(new F(h[e],h[e+1],h[e+2])),void 0!==k&&n.push(new C(k[r],k[r+1])),void 0!==
-m&&u.push(new C(m[r],m[r+1]));var q=a.groups;if(0<q.length)for(e=0;e<q.length;e++){f=q[e];var w=f.start,v=f.count;r=w;for(w+=v;r<w;r+=3)void 0!==d?b(d[r],d[r+1],d[r+2],f.materialIndex):b(r,r+1,r+2,f.materialIndex)}else if(void 0!==d)for(e=0;e<d.length;e+=3)b(d[e],d[e+1],d[e+2]);else for(e=0;e<f.length/3;e+=3)b(e,e+1,e+2);this.computeFaceNormals();null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());return this},center:function(){this.computeBoundingBox();
-var a=this.boundingBox.getCenter().negate();this.translate(a.x,a.y,a.z);return a},normalize:function(){this.computeBoundingSphere();var a=this.boundingSphere.center,b=this.boundingSphere.radius;b=0===b?1:1/b;var c=new L;c.set(b,0,0,-b*a.x,0,b,0,-b*a.y,0,0,b,-b*a.z,0,0,0,1);this.applyMatrix(c);return this},computeFaceNormals:function(){for(var a=new p,b=new p,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],f=this.vertices[e.a],g=this.vertices[e.b];a.subVectors(this.vertices[e.c],g);b.subVectors(f,
-g);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){void 0===a&&(a=!0);var b;var c=Array(this.vertices.length);var d=0;for(b=this.vertices.length;d<b;d++)c[d]=new p;if(a){var e=new p,f=new p;a=0;for(d=this.faces.length;a<d;a++){b=this.faces[a];var g=this.vertices[b.a];var h=this.vertices[b.b];var k=this.vertices[b.c];e.subVectors(k,h);f.subVectors(g,h);e.cross(f);c[b.a].add(e);c[b.b].add(e);c[b.c].add(e)}}else for(this.computeFaceNormals(),a=0,d=this.faces.length;a<d;a++)b=
-this.faces[a],c[b.a].add(b.normal),c[b.b].add(b.normal),c[b.c].add(b.normal);d=0;for(b=this.vertices.length;d<b;d++)c[d].normalize();a=0;for(d=this.faces.length;a<d;a++)b=this.faces[a],g=b.vertexNormals,3===g.length?(g[0].copy(c[b.a]),g[1].copy(c[b.b]),g[2].copy(c[b.c])):(g[0]=c[b.a].clone(),g[1]=c[b.b].clone(),g[2]=c[b.c].clone());0<this.faces.length&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var a;this.computeFaceNormals();var b=0;for(a=this.faces.length;b<a;b++){var c=this.faces[b];
-var d=c.vertexNormals;3===d.length?(d[0].copy(c.normal),d[1].copy(c.normal),d[2].copy(c.normal)):(d[0]=c.normal.clone(),d[1]=c.normal.clone(),d[2]=c.normal.clone())}0<this.faces.length&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var a,b;var c=0;for(b=this.faces.length;c<b;c++){var d=this.faces[c];d.__originalFaceNormal?d.__originalFaceNormal.copy(d.normal):d.__originalFaceNormal=d.normal.clone();d.__originalVertexNormals||(d.__originalVertexNormals=[]);var e=0;for(a=d.vertexNormals.length;e<
-a;e++)d.__originalVertexNormals[e]?d.__originalVertexNormals[e].copy(d.vertexNormals[e]):d.__originalVertexNormals[e]=d.vertexNormals[e].clone()}var f=new M;f.faces=this.faces;e=0;for(a=this.morphTargets.length;e<a;e++){if(!this.morphNormals[e]){this.morphNormals[e]={};this.morphNormals[e].faceNormals=[];this.morphNormals[e].vertexNormals=[];d=this.morphNormals[e].faceNormals;var g=this.morphNormals[e].vertexNormals;c=0;for(b=this.faces.length;c<b;c++){var h=new p;var k={a:new p,b:new p,c:new p};
-d.push(h);g.push(k)}}g=this.morphNormals[e];f.vertices=this.morphTargets[e].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(b=this.faces.length;c<b;c++)d=this.faces[c],h=g.faceNormals[c],k=g.vertexNormals[c],h.copy(d.normal),k.a.copy(d.vertexNormals[0]),k.b.copy(d.vertexNormals[1]),k.c.copy(d.vertexNormals[2])}c=0;for(b=this.faces.length;c<b;c++)d=this.faces[c],d.normal=d.__originalFaceNormal,d.vertexNormals=d.__originalVertexNormals},computeBoundingBox:function(){null===this.boundingBox&&
-(this.boundingBox=new Sa);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new za);this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(a&&a.isGeometry){var d,e=this.vertices.length,f=this.vertices,g=a.vertices,h=this.faces,k=a.faces,m=this.faceVertexUvs[0],l=a.faceVertexUvs[0],n=this.colors,p=a.colors;void 0===c&&(c=0);void 0!==b&&(d=(new qa).getNormalMatrix(b));a=0;for(var r=g.length;a<r;a++){var q=
-g[a].clone();void 0!==b&&q.applyMatrix4(b);f.push(q)}a=0;for(r=p.length;a<r;a++)n.push(p[a].clone());a=0;for(r=k.length;a<r;a++){g=k[a];var w=g.vertexNormals;p=g.vertexColors;n=new Ta(g.a+e,g.b+e,g.c+e);n.normal.copy(g.normal);void 0!==d&&n.normal.applyMatrix3(d).normalize();b=0;for(f=w.length;b<f;b++)q=w[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),n.vertexNormals.push(q);n.color.copy(g.color);b=0;for(f=p.length;b<f;b++)q=p[b],n.vertexColors.push(q.clone());n.materialIndex=g.materialIndex+
+a)},getObjectByProperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c].getObjectByProperty(a,b);if(void 0!==e)return e}},getWorldPosition:function(a){void 0===a&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),a=new p);this.updateMatrixWorld(!0);return a.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var a=new p,b=new p;return function(c){void 0===c&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),
+c=new da);this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,c,b);return c}}(),getWorldRotation:function(){var a=new da;return function(b){void 0===b&&(console.warn("THREE.Object3D: .getWorldRotation() target is now required"),b=new Za);this.getWorldQuaternion(a);return b.setFromQuaternion(a,this.rotation.order,!1)}}(),getWorldScale:function(){var a=new p,b=new da;return function(c){void 0===c&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),c=new p);this.updateMatrixWorld(!0);
+this.matrixWorld.decompose(a,b,c);return c}}(),getWorldDirection:function(){var a=new da;return function(b){void 0===b&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),b=new p);this.getWorldQuaternion(a);return b.set(0,0,1).applyQuaternion(a)}}(),raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},traverseVisible:function(a){if(!1!==this.visible){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverseVisible(a)}},
+traverseAncestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseAncestors(a))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=this.children,c=
+0,d=b.length;c<d;c++)b[c].updateMatrixWorld(a)},toJSON:function(a){function b(b,c){void 0===b[c.uuid]&&(b[c.uuid]=c.toJSON(a));return c.uuid}function c(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var d=void 0===a||"string"===typeof a,e={};d&&(a={geometries:{},materials:{},textures:{},images:{},shapes:{}},e.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var f={};f.uuid=this.uuid;f.type=this.type;""!==this.name&&(f.name=this.name);!0===this.castShadow&&
+(f.castShadow=!0);!0===this.receiveShadow&&(f.receiveShadow=!0);!1===this.visible&&(f.visible=!1);!1===this.frustumCulled&&(f.frustumCulled=!1);0!==this.renderOrder&&(f.renderOrder=this.renderOrder);"{}"!==JSON.stringify(this.userData)&&(f.userData=this.userData);f.matrix=this.matrix.toArray();if(void 0!==this.geometry){f.geometry=b(a.geometries,this.geometry);var g=this.geometry.parameters;if(void 0!==g&&void 0!==g.shapes)if(g=g.shapes,Array.isArray(g))for(var h=0,k=g.length;h<k;h++)b(a.shapes,g[h]);
+else b(a.shapes,g)}if(void 0!==this.material)if(Array.isArray(this.material)){g=[];h=0;for(k=this.material.length;h<k;h++)g.push(b(a.materials,this.material[h]));f.material=g}else f.material=b(a.materials,this.material);if(0<this.children.length)for(f.children=[],h=0;h<this.children.length;h++)f.children.push(this.children[h].toJSON(a).object);if(d){d=c(a.geometries);h=c(a.materials);k=c(a.textures);var m=c(a.images);g=c(a.shapes);0<d.length&&(e.geometries=d);0<h.length&&(e.materials=h);0<k.length&&
+(e.textures=k);0<m.length&&(e.images=m);0<g.length&&(e.shapes=g)}e.object=f;return e},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){void 0===b&&(b=!0);this.name=a.name;this.up.copy(a.up);this.position.copy(a.position);this.quaternion.copy(a.quaternion);this.scale.copy(a.scale);this.matrix.copy(a.matrix);this.matrixWorld.copy(a.matrixWorld);this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrixWorldNeedsUpdate=a.matrixWorldNeedsUpdate;this.layers.mask=a.layers.mask;
+this.visible=a.visible;this.castShadow=a.castShadow;this.receiveShadow=a.receiveShadow;this.frustumCulled=a.frustumCulled;this.renderOrder=a.renderOrder;this.userData=JSON.parse(JSON.stringify(a.userData));if(!0===b)for(b=0;b<a.children.length;b++)this.add(a.children[b].clone());return this}});Na.prototype=Object.assign(Object.create(B.prototype),{constructor:Na,isCamera:!0,copy:function(a,b){B.prototype.copy.call(this,a,b);this.matrixWorldInverse.copy(a.matrixWorldInverse);this.projectionMatrix.copy(a.projectionMatrix);
+return this},getWorldDirection:function(){var a=new da;return function(b){void 0===b&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),b=new p);this.getWorldQuaternion(a);return b.set(0,0,-1).applyQuaternion(a)}}(),updateMatrixWorld:function(a){B.prototype.updateMatrixWorld.call(this,a);this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}});Hb.prototype=Object.assign(Object.create(Na.prototype),{constructor:Hb,isOrthographicCamera:!0,
+copy:function(a,b){Na.prototype.copy.call(this,a,b);this.left=a.left;this.right=a.right;this.top=a.top;this.bottom=a.bottom;this.near=a.near;this.far=a.far;this.zoom=a.zoom;this.view=null===a.view?null:Object.assign({},a.view);return this},setViewOffset:function(a,b,c,d,e,f){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1});this.view.enabled=!0;this.view.fullWidth=a;this.view.fullHeight=b;this.view.offsetX=c;this.view.offsetY=d;this.view.width=
+e;this.view.height=f;this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1);this.updateProjectionMatrix()},updateProjectionMatrix:function(){var a=(this.right-this.left)/(2*this.zoom),b=(this.top-this.bottom)/(2*this.zoom),c=(this.right+this.left)/2,d=(this.top+this.bottom)/2,e=c-a;c+=a;a=d+b;b=d-b;if(null!==this.view&&this.view.enabled){c=this.zoom/(this.view.width/this.view.fullWidth);b=this.zoom/(this.view.height/this.view.fullHeight);var f=(this.right-
+this.left)/this.view.width;d=(this.top-this.bottom)/this.view.height;e+=this.view.offsetX/c*f;c=e+this.view.width/c*f;a-=this.view.offsetY/b*d;b=a-this.view.height/b*d}this.projectionMatrix.makeOrthographic(e,c,a,b,this.near,this.far)},toJSON:function(a){a=B.prototype.toJSON.call(this,a);a.object.zoom=this.zoom;a.object.left=this.left;a.object.right=this.right;a.object.top=this.top;a.object.bottom=this.bottom;a.object.near=this.near;a.object.far=this.far;null!==this.view&&(a.object.view=Object.assign({},
+this.view));return a}});Object.assign(Ta.prototype,{clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.a=a.a;this.b=a.b;this.c=a.c;this.normal.copy(a.normal);this.color.copy(a.color);this.materialIndex=a.materialIndex;for(var b=0,c=a.vertexNormals.length;b<c;b++)this.vertexNormals[b]=a.vertexNormals[b].clone();b=0;for(c=a.vertexColors.length;b<c;b++)this.vertexColors[b]=a.vertexColors[b].clone();return this}});var Af=0;M.prototype=Object.assign(Object.create(ua.prototype),
+{constructor:M,isGeometry:!0,applyMatrix:function(a){for(var b=(new qa).getNormalMatrix(a),c=0,d=this.vertices.length;c<d;c++)this.vertices[c].applyMatrix4(a);c=0;for(d=this.faces.length;c<d;c++){a=this.faces[c];a.normal.applyMatrix3(b).normalize();for(var e=0,f=a.vertexNormals.length;e<f;e++)a.vertexNormals[e].applyMatrix3(b).normalize()}null!==this.boundingBox&&this.computeBoundingBox();null!==this.boundingSphere&&this.computeBoundingSphere();this.normalsNeedUpdate=this.verticesNeedUpdate=!0;return this},
+rotateX:function(){var a=new L;return function(b){a.makeRotationX(b);this.applyMatrix(a);return this}}(),rotateY:function(){var a=new L;return function(b){a.makeRotationY(b);this.applyMatrix(a);return this}}(),rotateZ:function(){var a=new L;return function(b){a.makeRotationZ(b);this.applyMatrix(a);return this}}(),translate:function(){var a=new L;return function(b,c,d){a.makeTranslation(b,c,d);this.applyMatrix(a);return this}}(),scale:function(){var a=new L;return function(b,c,d){a.makeScale(b,c,d);
+this.applyMatrix(a);return this}}(),lookAt:function(){var a=new B;return function(b){a.lookAt(b);a.updateMatrix();this.applyMatrix(a.matrix)}}(),fromBufferGeometry:function(a){function b(a,b,d,e){var f=void 0!==g?[l[a].clone(),l[b].clone(),l[d].clone()]:[],p=void 0!==h?[c.colors[a].clone(),c.colors[b].clone(),c.colors[d].clone()]:[];e=new Ta(a,b,d,f,p,e);c.faces.push(e);void 0!==k&&c.faceVertexUvs[0].push([n[a].clone(),n[b].clone(),n[d].clone()]);void 0!==m&&c.faceVertexUvs[1].push([u[a].clone(),
+u[b].clone(),u[d].clone()])}var c=this,d=null!==a.index?a.index.array:void 0,e=a.attributes,f=e.position.array,g=void 0!==e.normal?e.normal.array:void 0,h=void 0!==e.color?e.color.array:void 0,k=void 0!==e.uv?e.uv.array:void 0,m=void 0!==e.uv2?e.uv2.array:void 0;void 0!==m&&(this.faceVertexUvs[1]=[]);for(var l=[],n=[],u=[],r=e=0;e<f.length;e+=3,r+=2)c.vertices.push(new p(f[e],f[e+1],f[e+2])),void 0!==g&&l.push(new p(g[e],g[e+1],g[e+2])),void 0!==h&&c.colors.push(new F(h[e],h[e+1],h[e+2])),void 0!==
+k&&n.push(new C(k[r],k[r+1])),void 0!==m&&u.push(new C(m[r],m[r+1]));var q=a.groups;if(0<q.length)for(e=0;e<q.length;e++){f=q[e];var w=f.start,v=f.count;r=w;for(w+=v;r<w;r+=3)void 0!==d?b(d[r],d[r+1],d[r+2],f.materialIndex):b(r,r+1,r+2,f.materialIndex)}else if(void 0!==d)for(e=0;e<d.length;e+=3)b(d[e],d[e+1],d[e+2]);else for(e=0;e<f.length/3;e+=3)b(e,e+1,e+2);this.computeFaceNormals();null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());
+return this},center:function(){this.computeBoundingBox();var a=this.boundingBox.getCenter().negate();this.translate(a.x,a.y,a.z);return a},normalize:function(){this.computeBoundingSphere();var a=this.boundingSphere.center,b=this.boundingSphere.radius;b=0===b?1:1/b;var c=new L;c.set(b,0,0,-b*a.x,0,b,0,-b*a.y,0,0,b,-b*a.z,0,0,0,1);this.applyMatrix(c);return this},computeFaceNormals:function(){for(var a=new p,b=new p,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],f=this.vertices[e.a],g=this.vertices[e.b];
+a.subVectors(this.vertices[e.c],g);b.subVectors(f,g);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){void 0===a&&(a=!0);var b;var c=Array(this.vertices.length);var d=0;for(b=this.vertices.length;d<b;d++)c[d]=new p;if(a){var e=new p,f=new p;a=0;for(d=this.faces.length;a<d;a++){b=this.faces[a];var g=this.vertices[b.a];var h=this.vertices[b.b];var k=this.vertices[b.c];e.subVectors(k,h);f.subVectors(g,h);e.cross(f);c[b.a].add(e);c[b.b].add(e);c[b.c].add(e)}}else for(this.computeFaceNormals(),
+a=0,d=this.faces.length;a<d;a++)b=this.faces[a],c[b.a].add(b.normal),c[b.b].add(b.normal),c[b.c].add(b.normal);d=0;for(b=this.vertices.length;d<b;d++)c[d].normalize();a=0;for(d=this.faces.length;a<d;a++)b=this.faces[a],g=b.vertexNormals,3===g.length?(g[0].copy(c[b.a]),g[1].copy(c[b.b]),g[2].copy(c[b.c])):(g[0]=c[b.a].clone(),g[1]=c[b.b].clone(),g[2]=c[b.c].clone());0<this.faces.length&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var a;this.computeFaceNormals();var b=0;for(a=this.faces.length;b<
+a;b++){var c=this.faces[b];var d=c.vertexNormals;3===d.length?(d[0].copy(c.normal),d[1].copy(c.normal),d[2].copy(c.normal)):(d[0]=c.normal.clone(),d[1]=c.normal.clone(),d[2]=c.normal.clone())}0<this.faces.length&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var a,b;var c=0;for(b=this.faces.length;c<b;c++){var d=this.faces[c];d.__originalFaceNormal?d.__originalFaceNormal.copy(d.normal):d.__originalFaceNormal=d.normal.clone();d.__originalVertexNormals||(d.__originalVertexNormals=[]);
+var e=0;for(a=d.vertexNormals.length;e<a;e++)d.__originalVertexNormals[e]?d.__originalVertexNormals[e].copy(d.vertexNormals[e]):d.__originalVertexNormals[e]=d.vertexNormals[e].clone()}var f=new M;f.faces=this.faces;e=0;for(a=this.morphTargets.length;e<a;e++){if(!this.morphNormals[e]){this.morphNormals[e]={};this.morphNormals[e].faceNormals=[];this.morphNormals[e].vertexNormals=[];d=this.morphNormals[e].faceNormals;var g=this.morphNormals[e].vertexNormals;c=0;for(b=this.faces.length;c<b;c++){var h=
+new p;var k={a:new p,b:new p,c:new p};d.push(h);g.push(k)}}g=this.morphNormals[e];f.vertices=this.morphTargets[e].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(b=this.faces.length;c<b;c++)d=this.faces[c],h=g.faceNormals[c],k=g.vertexNormals[c],h.copy(d.normal),k.a.copy(d.vertexNormals[0]),k.b.copy(d.vertexNormals[1]),k.c.copy(d.vertexNormals[2])}c=0;for(b=this.faces.length;c<b;c++)d=this.faces[c],d.normal=d.__originalFaceNormal,d.vertexNormals=d.__originalVertexNormals},computeBoundingBox:function(){null===
+this.boundingBox&&(this.boundingBox=new Sa);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new za);this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(a&&a.isGeometry){var d,e=this.vertices.length,f=this.vertices,g=a.vertices,h=this.faces,k=a.faces,m=this.faceVertexUvs[0],l=a.faceVertexUvs[0],n=this.colors,p=a.colors;void 0===c&&(c=0);void 0!==b&&(d=(new qa).getNormalMatrix(b));a=0;for(var r=g.length;a<
+r;a++){var q=g[a].clone();void 0!==b&&q.applyMatrix4(b);f.push(q)}a=0;for(r=p.length;a<r;a++)n.push(p[a].clone());a=0;for(r=k.length;a<r;a++){g=k[a];var w=g.vertexNormals;p=g.vertexColors;n=new Ta(g.a+e,g.b+e,g.c+e);n.normal.copy(g.normal);void 0!==d&&n.normal.applyMatrix3(d).normalize();b=0;for(f=w.length;b<f;b++)q=w[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),n.vertexNormals.push(q);n.color.copy(g.color);b=0;for(f=p.length;b<f;b++)q=p[b],n.vertexColors.push(q.clone());n.materialIndex=g.materialIndex+
 c;h.push(n)}a=0;for(r=l.length;a<r;a++)if(c=l[a],d=[],void 0!==c){b=0;for(f=c.length;b<f;b++)d.push(c[b].clone());m.push(d)}}else console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",a)},mergeMesh:function(a){a&&a.isMesh?(a.matrixAutoUpdate&&a.updateMatrix(),this.merge(a.geometry,a.matrix)):console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.",a)},mergeVertices:function(){var a={},b=[],c=[],d=Math.pow(10,4),e;var f=0;for(e=this.vertices.length;f<
 e;f++){var g=this.vertices[f];g=Math.round(g.x*d)+"_"+Math.round(g.y*d)+"_"+Math.round(g.z*d);void 0===a[g]?(a[g]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[g]]}a=[];f=0;for(e=this.faces.length;f<e;f++)for(d=this.faces[f],d.a=c[d.a],d.b=c[d.b],d.c=c[d.c],d=[d.a,d.b,d.c],g=0;3>g;g++)if(d[g]===d[(g+1)%3]){a.push(f);break}for(f=a.length-1;0<=f;f--)for(d=a[f],this.faces.splice(d,1),c=0,e=this.faceVertexUvs.length;c<e;c++)this.faceVertexUvs[c].splice(d,1);f=this.vertices.length-b.length;this.vertices=
 b;return f},setFromPoints:function(a){this.vertices=[];for(var b=0,c=a.length;b<c;b++){var d=a[b];this.vertices.push(new p(d.x,d.y,d.z||0))}return this},sortFacesByMaterialIndex:function(){for(var a=this.faces,b=a.length,c=0;c<b;c++)a[c]._id=c;a.sort(function(a,b){return a.materialIndex-b.materialIndex});var d=this.faceVertexUvs[0],e=this.faceVertexUvs[1],f,g;d&&d.length===b&&(f=[]);e&&e.length===b&&(g=[]);for(c=0;c<b;c++){var h=a[c]._id;f&&f.push(d[h]);g&&g.push(e[h])}f&&(this.faceVertexUvs[0]=f);

build/three.module.js

@@ -8160,13 +8160,18 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
 	},
 
-	getWorldPosition: function ( optionalTarget ) {
+	getWorldPosition: function ( target ) {
 
-		var result = optionalTarget || new Vector3();
+		if ( target === undefined ) {
+
+			console.warn( 'THREE.Object3D: .getWorldPosition() target is now required' );
+			target = new Vector3();
+
+		}
 
 		this.updateMatrixWorld( true );
 
-		return result.setFromMatrixPosition( this.matrixWorld );
+		return target.setFromMatrixPosition( this.matrixWorld );
 
 	},
 
@@ -8175,15 +8180,20 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 		var position = new Vector3();
 		var scale = new Vector3();
 
-		return function getWorldQuaternion( optionalTarget ) {
+		return function getWorldQuaternion( target ) {
+
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldQuaternion() target is now required' );
+				target = new Quaternion();
 
-			var result = optionalTarget || new Quaternion();
+			}
 
 			this.updateMatrixWorld( true );
 
-			this.matrixWorld.decompose( position, result, scale );
+			this.matrixWorld.decompose( position, target, scale );
 
-			return result;
+			return target;
 
 		};
 
@@ -8193,13 +8203,18 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
 		var quaternion = new Quaternion();
 
-		return function getWorldRotation( optionalTarget ) {
+		return function getWorldRotation( target ) {
+
+			if ( target === undefined ) {
 
-			var result = optionalTarget || new Euler();
+				console.warn( 'THREE.Object3D: .getWorldRotation() target is now required' );
+				target = new Euler();
+
+			}
 
 			this.getWorldQuaternion( quaternion );
 
-			return result.setFromQuaternion( quaternion, this.rotation.order, false );
+			return target.setFromQuaternion( quaternion, this.rotation.order, false );
 
 		};
 
@@ -8210,15 +8225,20 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 		var position = new Vector3();
 		var quaternion = new Quaternion();
 
-		return function getWorldScale( optionalTarget ) {
+		return function getWorldScale( target ) {
 
-			var result = optionalTarget || new Vector3();
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldScale() target is now required' );
+				target = new Vector3();
+
+			}
 
 			this.updateMatrixWorld( true );
 
-			this.matrixWorld.decompose( position, quaternion, result );
+			this.matrixWorld.decompose( position, quaternion, target );
 
-			return result;
+			return target;
 
 		};
 
@@ -8228,13 +8248,18 @@ Object3D.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
 		var quaternion = new Quaternion();
 
-		return function getWorldDirection( optionalTarget ) {
+		return function getWorldDirection( target ) {
 
-			var result = optionalTarget || new Vector3();
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Object3D: .getWorldDirection() target is now required' );
+				target = new Vector3();
+
+			}
 
 			this.getWorldQuaternion( quaternion );
 
-			return result.set( 0, 0, 1 ).applyQuaternion( quaternion );
+			return target.set( 0, 0, 1 ).applyQuaternion( quaternion );
 
 		};
 
@@ -8583,13 +8608,18 @@ Camera.prototype = Object.assign( Object.create( Object3D.prototype ), {
 
 		var quaternion = new Quaternion();
 
-		return function getWorldDirection( optionalTarget ) {
+		return function getWorldDirection( target ) {
 
-			var result = optionalTarget || new Vector3();
+			if ( target === undefined ) {
+
+				console.warn( 'THREE.Camera: .getWorldDirection() target is now required' );
+				target = new Vector3();
+
+			}
 
 			this.getWorldQuaternion( quaternion );
 
-			return result.set( 0, 0, - 1 ).applyQuaternion( quaternion );
+			return target.set( 0, 0, - 1 ).applyQuaternion( quaternion );
 
 		};