Group.hasProperty fixed to not use hasOwnProperty, but a series of `i…

…n` checks (thanks @mgiuffrida for the idea, phaserjs#829)

README.md

@@ -141,6 +141,7 @@ Version 2.0.5 - "Tanchico" - in development
 * If an object was drag enabled with bringToTop, the onDragStop event wouldn't fire until the mouse was next moved (thanks @alpera, fix #813)
 * RetroFont.text would throw WebGL errors due to an issue with Pixi.RenderTexture. Fixed in Phaser and submitted code to Pixi.
 * RenderTexture.resize would throw WebGL errors due to an issue with Pixi.RenderTexture. Fixed in Phaser and submitted code to Pixi.
+* Group.hasProperty fixed to not use hasOwnProperty, but a series of `in` checks (thanks @mgiuffrida for the idea, #829)
 
 
 ### To Do

src/core/Group.js

@@ -643,19 +643,19 @@ Phaser.Group.prototype.hasProperty = function (child, key) {
 
     var len = key.length;
 
-    if (len === 1 && child.hasOwnProperty(key[0]))
+    if (len === 1 && key[0] in child)
     {
         return true;
     }
-    else if (len === 2 && child.hasOwnProperty(key[0]) && child[key[0]].hasOwnProperty(key[1]))
+    else if (len === 2 && key[0] in child && key[1] in child[key[0]])
     {
         return true;
     }
-    else if (len === 3 && child.hasOwnProperty(key[0]) && child[key[0]].hasOwnProperty(key[1]) && child[key[0]][key[1]].hasOwnProperty(key[2]))
+    else if (len === 3 && key[0] in child && key[1] in child[key[0]] && key[2] in child[key[0]][key[1]])
     {
         return true;
     }
-    else if (len === 4 && child.hasOwnProperty(key[0]) && child[key[0]].hasOwnProperty(key[1]) && child[key[0]][key[1]].hasOwnProperty(key[2]) && child[key[0]][key[1]][key[2]].hasOwnProperty(key[3]))
+    else if (len === 4 && key[0] in child && key[1] in child[key[0]] && key[2] in child[key[0]][key[1]] && key[3] in child[key[0]][key[1]][key[2]])
     {
         return true;
     }
@@ -696,7 +696,7 @@ Phaser.Group.prototype.setProperty = function (child, key, value, operation, for
 
     //  We can't force a property in and the child doesn't have it, so abort.
     //  Equally we can't add, subtract, multiply or divide a property value if it doesn't exist, so abort in those cases too.
-    if (!this.hasProperty(child, key, value) && (!force || operation > 0))
+    if (!this.hasProperty(child, key) && (!force || operation > 0))
     {
         return false;
     }

src/input/Pointer.js

@@ -385,15 +385,15 @@ Phaser.Pointer.prototype = {
         this.screenX = event.screenX;
         this.screenY = event.screenY;
 
-        if (this.isMouse && this.game.input.mouse.locked && !fromClick) {
+        if (this.isMouse && this.game.input.mouse.locked && !fromClick)
+        {
             this.rawMovementX = event.movementX || event.mozMovementX || event.webkitMovementX || 0;
             this.rawMovementY = event.movementY || event.mozMovementY || event.webkitMovementY || 0;
 
             this.movementX += this.rawMovementX;
             this.movementY += this.rawMovementY;
         }
 
-
         this.x = (this.pageX - this.game.stage.offset.x) * this.game.input.scale.x;
         this.y = (this.pageY - this.game.stage.offset.y) * this.game.input.scale.y;
 
@@ -662,8 +662,10 @@ Phaser.Pointer.prototype = {
      * @method Phaser.Pointer#resetMovement
      */
     resetMovement: function() {
+
         this.movementX = 0;
         this.movementY = 0;
+
     }
 
 };