Updated all Game Objects so they all have preUpdate, update and postUpdate functions (even if empty). Updated World so when it iterates through them all it no longer checks if those functions are present before calling them. Was wasting a lot of time doing that before.

src/gameobjects/Image.js

@@ -147,7 +147,17 @@ Phaser.Image.prototype.preUpdate = function() {
 
     return true;
 
-};
+}
+
+/**
+* Override and use this function in your own custom objects to handle any update requirements you may have.
+*
+* @method Phaser.Image#update
+* @memberof Phaser.Image
+*/
+Phaser.Image.prototype.update = function() {
+
+}
 
 /**
 * Internal function called by the World postUpdate cycle.
@@ -168,7 +178,7 @@ Phaser.Image.prototype.postUpdate = function() {
         this.position.y = this.game.camera.view.y + this.y;
     }
 
-};
+}
 
 /**
 * Changes the Texture the Sprite is using entirely. The old texture is removed and the new one is referenced or fetched from the Cache.
@@ -245,7 +255,7 @@ Phaser.Image.prototype.loadTexture = function (key, frame) {
         }
     }
 
-};
+}
 
 /**
 * Crop allows you to crop the texture used to display this Image.
@@ -292,7 +302,7 @@ Phaser.Image.prototype.crop = function(rect) {
         }
     }
 
-};
+}
 
 /**
 * Brings a 'dead' Sprite back to life, optionally giving it the health value specified.
@@ -316,7 +326,7 @@ Phaser.Image.prototype.revive = function() {
 
     return this;
 
-};
+}
 
 /**
 * Kills a Sprite. A killed Sprite has its alive, exists and visible properties all set to false.
@@ -341,7 +351,7 @@ Phaser.Image.prototype.kill = function() {
 
     return this;
 
-};
+}
 
 /**
 * Destroys the Sprite. This removes it from its parent group, destroys the input, event and animation handlers if present
@@ -378,7 +388,7 @@ Phaser.Image.prototype.destroy = function() {
 
     this.game = null;
 
-};
+}
 
 /**
 * Resets the Sprite. This places the Sprite at the given x/y world coordinates and then sets alive, exists, visible and renderable all to true.
@@ -401,7 +411,7 @@ Phaser.Image.prototype.reset = function(x, y) {
 
     return this;
     
-};
+}
 
 /**
 * Brings the Sprite to the top of the display list it is a child of. Sprites that are members of a Phaser.Group are only
@@ -427,7 +437,7 @@ Phaser.Image.prototype.bringToTop = function(child) {
 
     return this;
 
-};
+}
 
 /**
 * Indicates the rotation of the Sprite, in degrees, from its original orientation. Values from 0 to 180 represent clockwise rotation; values from 0 to -180 represent counterclockwise rotation.