Merge pull request phaserjs#254 from cocoademon/update_reorder

Split world update into preUpdate and update.

Author: photonstorm

src/core/Game.js

@@ -440,14 +440,15 @@ Phaser.Game.prototype = {
         {
             this.plugins.preUpdate();
             this.physics.preUpdate();
+            this.world.preUpdate();
 
             this.stage.update();
             this.input.update();
             this.tweens.update();
             this.sound.update();
-            this.world.update();
-            this.particles.update();
             this.state.update();
+            this.world.update();
+            this.particles.update();            
             this.plugins.update();
 
             this.world.postUpdate();

src/core/World.js

@@ -65,35 +65,48 @@ Phaser.World.prototype.boot = function () {
 * 
 * @method Phaser.World#update
 */
-Phaser.World.prototype.update = function () {
-
-    this.currentRenderOrderID = 0;
+Phaser.World.prototype.preUpdate = function () {
 
     if (this.game.stage._stage.first._iNext)
     {
         var currentNode = this.game.stage._stage.first._iNext;
-        var skipChildren;
 
         do
         {
-            skipChildren = false;
-
-            if (currentNode['preUpdate'])
+            // If preUpdate exists, and it returns false, skip PIXI child objects
+            if (currentNode['preUpdate'] && !currentNode.preUpdate())
             {
-                skipChildren = (currentNode.preUpdate() === false);
-            }
-
-            if (currentNode['update'])
-            {
-                skipChildren = (currentNode.update() === false) || skipChildren;
+                currentNode = currentNode.last._iNext;
+            } else {
+                currentNode = currentNode._iNext;
             }
 
-            if (skipChildren)
+        }
+        while (currentNode != this.game.stage._stage.last._iNext)
+    }
+
+}
+
+/**
+* This is called automatically every frame, and is where main logic happens.
+* 
+* @method Phaser.World#update
+*/
+Phaser.World.prototype.update = function () {
+
+    this.currentRenderOrderID = 0;
+    
+    if (this.game.stage._stage.first._iNext)
+    {
+        var currentNode = this.game.stage._stage.first._iNext;
+        
+        do
+        {
+            // If update exists, and it returns false, skip PIXI child objects
+            if (currentNode['update'] && !currentNode.update())
             {
                 currentNode = currentNode.last._iNext;
-            }
-            else
-            {
+            } else {
                 currentNode = currentNode._iNext;
             }