Added callbacks and extra properties.

Author: photonstorm

v3/src/input/InteractiveObject.js

@@ -1,10 +1,14 @@
+var NOOP = require('../utils/NOOP');
+
 //  Phaser.Input.InteractiveObject
 
 var InteractiveObject = function (gameObject, hitArea, hitAreaCallback)
 {
     return {
         gameObject: gameObject,
 
+        enabled: true,
+
         hitArea: hitArea,
         hitAreaCallback: hitAreaCallback,
 
@@ -13,8 +17,14 @@ var InteractiveObject = function (gameObject, hitArea, hitAreaCallback)
 
         isOver: false,
         isDown: false,
+        isDragged: false,
+
+        callbackContext: gameObject,
 
-        isDragged: false
+        onDown: NOOP,
+        onUp: NOOP,
+        onOver: NOOP,
+        onOut: NOOP
     };
 };