When reusing a Tween created with an array of properties the values would get exponentially added to the TweenData internal array each time the tween was re-run (thanks @SBCGames phaserjs#1747)

Author: photonstorm

README.md

@@ -413,6 +413,7 @@ Version 2.4 - "Katar" - in dev
 * TileSprite now fully supports animation again, having been broken for several versions due to a Pixi upgrade. We've updated the way TileSprites generate their textures internally considerably and animation support is back across both Canvas and WebGL as a result (#1653)
 * Setting mute to false on Sound that was never muted caused its volume to be set to zero (thanks @brianbunch #1870)
 * P2.Body.createGroupCallback incorrectly referenced the `_groupCallbackContext` when deleting it (thanks @Langerz82 #1886)
+* When reusing a Tween created with an array of properties the values would get exponentially added to the TweenData internal array each time the tween was re-run (thanks @SBCGames #1747)
 
 ### Deprecated
 

src/core/Group.js

@@ -437,7 +437,7 @@ Phaser.Group.prototype.addAt = function (child, index, silent) {
 *
 * @method Phaser.Group#getAt
 * @param {integer} index - The index to return the child from.
-* @return {DisplayObject} The child that was found at the given index, or -1 for an invalid index.
+* @return {DisplayObject|integer} The child that was found at the given index, or -1 for an invalid index.
 */
 Phaser.Group.prototype.getAt = function (index) {
 

src/tween/TweenData.js

@@ -44,7 +44,7 @@ Phaser.TweenData = function (parent) {
     this.vEnd = {};
 
     /**
-    * @property {object} vEnd - Cached ending values.
+    * @property {object} vEndCache - Cached ending values.
     * @private
     */
     this.vEndCache = {};
@@ -298,8 +298,12 @@ Phaser.TweenData.prototype = {
                     continue;
                 }
 
-                //  Create a local copy of the Array with the start value at the front
-                this.vEnd[property] = [this.vStart[property]].concat(this.vEnd[property]);
+                if (this.percent === 0)
+                {
+                    //  Put the start value at the beginning of the array
+                    //  but we only want to do this once, if the Tween hasn't run before
+                    this.vEnd[property] = [this.vStart[property]].concat(this.vEnd[property]);
+                }
             }
 
             if (typeof this.vEnd[property] !== 'undefined')