Fixed sharing of default alignment vector and dealing with missing parameter object in Sprite.

Fixes #2577

build/three.js

@@ -11934,6 +11934,8 @@ THREE.Sprite = function ( parameters ) {
 
 	THREE.Object3D.call( this );
 
+	parameters = parameters || {};
+
 	this.color = ( parameters.color !== undefined ) ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
 	this.map = ( parameters.map !== undefined ) ? parameters.map : new THREE.Texture();
 
@@ -11947,7 +11949,7 @@ THREE.Sprite = function ( parameters ) {
 	this.mergeWith3D = ( parameters.mergeWith3D !== undefined ) ? parameters.mergeWith3D : !this.useScreenCoordinates;
 	this.affectedByDistance = ( parameters.affectedByDistance !== undefined ) ? parameters.affectedByDistance : !this.useScreenCoordinates;
 	this.scaleByViewport = ( parameters.scaleByViewport !== undefined ) ? parameters.scaleByViewport : !this.affectedByDistance;
-	this.alignment = ( parameters.alignment instanceof THREE.Vector2 ) ? parameters.alignment : THREE.SpriteAlignment.center;
+	this.alignment = ( parameters.alignment instanceof THREE.Vector2 ) ? parameters.alignment : THREE.SpriteAlignment.center.clone();
 
 	this.fog = ( parameters.fog !== undefined ) ? parameters.fog : false;
 

build/three.min.js

@@ -265,9 +265,9 @@ THREE.MorphAnimMesh.prototype.clone=function(a){void 0===a&&(a=new THREE.MorphAn
 THREE.Ribbon.prototype.clone=function(a){void 0===a&&(a=new THREE.Ribbon(this.geometry,this.material));THREE.Object3D.prototype.clone.call(this,a);return a};THREE.LOD=function(){THREE.Object3D.call(this);this.LODs=[]};THREE.LOD.prototype=Object.create(THREE.Object3D.prototype);THREE.LOD.prototype.addLevel=function(a,b){void 0===b&&(b=0);for(var b=Math.abs(b),c=0;c<this.LODs.length&&!(b<this.LODs[c].visibleAtDistance);c++);this.LODs.splice(c,0,{visibleAtDistance:b,object3D:a});this.add(a)};
 THREE.LOD.prototype.update=function(a){if(1<this.LODs.length){a.matrixWorldInverse.getInverse(a.matrixWorld);a=a.matrixWorldInverse;a=-(a.elements[2]*this.matrixWorld.elements[12]+a.elements[6]*this.matrixWorld.elements[13]+a.elements[10]*this.matrixWorld.elements[14]+a.elements[14]);this.LODs[0].object3D.visible=!0;for(var b=1;b<this.LODs.length;b++)if(a>=this.LODs[b].visibleAtDistance)this.LODs[b-1].object3D.visible=!1,this.LODs[b].object3D.visible=!0;else break;for(;b<this.LODs.length;b++)this.LODs[b].object3D.visible=
 !1}};THREE.LOD.prototype.clone=function(){};
-THREE.Sprite=function(a){THREE.Object3D.call(this);this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:new THREE.Texture;this.blending=void 0!==a.blending?a.blending:THREE.NormalBlending;this.blendSrc=void 0!==a.blendSrc?a.blendSrc:THREE.SrcAlphaFactor;this.blendDst=void 0!==a.blendDst?a.blendDst:THREE.OneMinusSrcAlphaFactor;this.blendEquation=void 0!==a.blendEquation?a.blendEquation:THREE.AddEquation;this.useScreenCoordinates=void 0!==a.useScreenCoordinates?
-a.useScreenCoordinates:!0;this.mergeWith3D=void 0!==a.mergeWith3D?a.mergeWith3D:!this.useScreenCoordinates;this.affectedByDistance=void 0!==a.affectedByDistance?a.affectedByDistance:!this.useScreenCoordinates;this.scaleByViewport=void 0!==a.scaleByViewport?a.scaleByViewport:!this.affectedByDistance;this.alignment=a.alignment instanceof THREE.Vector2?a.alignment:THREE.SpriteAlignment.center;this.fog=void 0!==a.fog?a.fog:!1;this.rotation3d=this.rotation;this.rotation=0;this.opacity=1;this.uvOffset=
-new THREE.Vector2(0,0);this.uvScale=new THREE.Vector2(1,1)};THREE.Sprite.prototype=Object.create(THREE.Object3D.prototype);THREE.Sprite.prototype.updateMatrix=function(){this.matrix.setPosition(this.position);this.rotation3d.set(0,0,this.rotation);this.matrix.setRotationFromEuler(this.rotation3d);if(1!==this.scale.x||1!==this.scale.y)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,this.scale.y);this.matrixWorldNeedsUpdate=!0};
+THREE.Sprite=function(a){THREE.Object3D.call(this);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:new THREE.Texture;this.blending=void 0!==a.blending?a.blending:THREE.NormalBlending;this.blendSrc=void 0!==a.blendSrc?a.blendSrc:THREE.SrcAlphaFactor;this.blendDst=void 0!==a.blendDst?a.blendDst:THREE.OneMinusSrcAlphaFactor;this.blendEquation=void 0!==a.blendEquation?a.blendEquation:THREE.AddEquation;this.useScreenCoordinates=void 0!==
+a.useScreenCoordinates?a.useScreenCoordinates:!0;this.mergeWith3D=void 0!==a.mergeWith3D?a.mergeWith3D:!this.useScreenCoordinates;this.affectedByDistance=void 0!==a.affectedByDistance?a.affectedByDistance:!this.useScreenCoordinates;this.scaleByViewport=void 0!==a.scaleByViewport?a.scaleByViewport:!this.affectedByDistance;this.alignment=a.alignment instanceof THREE.Vector2?a.alignment:THREE.SpriteAlignment.center.clone();this.fog=void 0!==a.fog?a.fog:!1;this.rotation3d=this.rotation;this.rotation=
+0;this.opacity=1;this.uvOffset=new THREE.Vector2(0,0);this.uvScale=new THREE.Vector2(1,1)};THREE.Sprite.prototype=Object.create(THREE.Object3D.prototype);THREE.Sprite.prototype.updateMatrix=function(){this.matrix.setPosition(this.position);this.rotation3d.set(0,0,this.rotation);this.matrix.setRotationFromEuler(this.rotation3d);if(1!==this.scale.x||1!==this.scale.y)this.matrix.scale(this.scale),this.boundRadiusScale=Math.max(this.scale.x,this.scale.y);this.matrixWorldNeedsUpdate=!0};
 THREE.Sprite.prototype.clone=function(a){void 0===a&&(a=new THREE.Sprite({}));a.color.copy(this.color);a.map=this.map;a.blending=this.blending;a.useScreenCoordinates=this.useScreenCoordinates;a.mergeWith3D=this.mergeWith3D;a.affectedByDistance=this.affectedByDistance;a.scaleByViewport=this.scaleByViewport;a.alignment=this.alignment;a.fog=this.fog;a.rotation3d.copy(this.rotation3d);a.rotation=this.rotation;a.opacity=this.opacity;a.uvOffset.copy(this.uvOffset);a.uvScale.copy(this.uvScale);THREE.Object3D.prototype.clone.call(this,
 a);return a};THREE.SpriteAlignment={};THREE.SpriteAlignment.topLeft=new THREE.Vector2(1,-1);THREE.SpriteAlignment.topCenter=new THREE.Vector2(0,-1);THREE.SpriteAlignment.topRight=new THREE.Vector2(-1,-1);THREE.SpriteAlignment.centerLeft=new THREE.Vector2(1,0);THREE.SpriteAlignment.center=new THREE.Vector2(0,0);THREE.SpriteAlignment.centerRight=new THREE.Vector2(-1,0);THREE.SpriteAlignment.bottomLeft=new THREE.Vector2(1,1);THREE.SpriteAlignment.bottomCenter=new THREE.Vector2(0,1);
 THREE.SpriteAlignment.bottomRight=new THREE.Vector2(-1,1);THREE.Scene=function(){THREE.Object3D.call(this);this.overrideMaterial=this.fog=null;this.matrixAutoUpdate=!1;this.__objects=[];this.__lights=[];this.__objectsAdded=[];this.__objectsRemoved=[]};THREE.Scene.prototype=Object.create(THREE.Object3D.prototype);

src/objects/Sprite.js

@@ -7,6 +7,8 @@ THREE.Sprite = function ( parameters ) {
 
 	THREE.Object3D.call( this );
 
+	parameters = parameters || {};
+
 	this.color = ( parameters.color !== undefined ) ? new THREE.Color( parameters.color ) : new THREE.Color( 0xffffff );
 	this.map = ( parameters.map !== undefined ) ? parameters.map : new THREE.Texture();
 
@@ -20,7 +22,7 @@ THREE.Sprite = function ( parameters ) {
 	this.mergeWith3D = ( parameters.mergeWith3D !== undefined ) ? parameters.mergeWith3D : !this.useScreenCoordinates;
 	this.affectedByDistance = ( parameters.affectedByDistance !== undefined ) ? parameters.affectedByDistance : !this.useScreenCoordinates;
 	this.scaleByViewport = ( parameters.scaleByViewport !== undefined ) ? parameters.scaleByViewport : !this.affectedByDistance;
-	this.alignment = ( parameters.alignment instanceof THREE.Vector2 ) ? parameters.alignment : THREE.SpriteAlignment.center;
+	this.alignment = ( parameters.alignment instanceof THREE.Vector2 ) ? parameters.alignment : THREE.SpriteAlignment.center.clone();
 
 	this.fog = ( parameters.fog !== undefined ) ? parameters.fog : false;