diff --git a/cocos/base/CCDirector.cpp b/cocos/base/CCDirector.cpp
index de8365dc11..5df9c10929 100644
--- a/cocos/base/CCDirector.cpp
+++ b/cocos/base/CCDirector.cpp
@@ -89,6 +89,7 @@ extern const char* cocos2dVersion(void);
 const char *Director::EVENT_PROJECTION_CHANGED = "director_projection_changed";
 const char *Director::EVENT_AFTER_DRAW = "director_after_draw";
 const char *Director::EVENT_AFTER_VISIT = "director_after_visit";
+const char *Director::EVENT_BEFORE_UPDATE = "director_before_update";
 const char *Director::EVENT_AFTER_UPDATE = "director_after_update";
 
 Director* Director::getInstance()
@@ -157,6 +158,8 @@ bool Director::init(void)
     _eventAfterDraw->setUserData(this);
     _eventAfterVisit = new (std::nothrow) EventCustom(EVENT_AFTER_VISIT);
     _eventAfterVisit->setUserData(this);
+    _eventBeforeUpdate = new (std::nothrow) EventCustom(EVENT_BEFORE_UPDATE);
+    _eventBeforeUpdate->setUserData(this);
     _eventAfterUpdate = new (std::nothrow) EventCustom(EVENT_AFTER_UPDATE);
     _eventAfterUpdate->setUserData(this);
     _eventProjectionChanged = new (std::nothrow) EventCustom(EVENT_PROJECTION_CHANGED);
@@ -185,6 +188,7 @@ Director::~Director(void)
     CC_SAFE_RELEASE(_actionManager);
     CC_SAFE_DELETE(_defaultFBO);
     
+    delete _eventBeforeUpdate;
     delete _eventAfterUpdate;
     delete _eventAfterDraw;
     delete _eventAfterVisit;
@@ -265,6 +269,7 @@ void Director::drawScene()
     //tick before glClear: issue #533
     if (! _paused)
     {
+        _eventDispatcher->dispatchEvent(_eventBeforeUpdate);
         _scheduler->update(_deltaTime);
         _eventDispatcher->dispatchEvent(_eventAfterUpdate);
     }
diff --git a/cocos/base/CCDirector.h b/cocos/base/CCDirector.h
index 3d0cb5ba2e..ed994fc53a 100644
--- a/cocos/base/CCDirector.h
+++ b/cocos/base/CCDirector.h
@@ -97,7 +97,9 @@ class CC_DLL Director : public Ref
 {
 public:
     /** Director will trigger an event when projection type is changed. */
-    static const char *EVENT_PROJECTION_CHANGED;
+    static const char* EVENT_PROJECTION_CHANGED;
+    /** Director will trigger an event before Schedule::update() is invoked. */
+    static const char* EVENT_BEFORE_UPDATE;
     /** Director will trigger an event after Schedule::update() is invoked. */
     static const char* EVENT_AFTER_UPDATE;
     /** Director will trigger an event after Scene::render() is invoked. */
@@ -538,7 +540,7 @@ protected:
      @since v3.0
      */
     EventDispatcher* _eventDispatcher;
-    EventCustom *_eventProjectionChanged, *_eventAfterDraw, *_eventAfterVisit, *_eventAfterUpdate;
+    EventCustom *_eventProjectionChanged, *_eventAfterDraw, *_eventAfterVisit, *_eventBeforeUpdate, *_eventAfterUpdate;
         
     /* delta time since last tick to main loop */
 	float _deltaTime;
diff --git a/cocos/scripting/js-bindings/script/jsb_cocos2d.js b/cocos/scripting/js-bindings/script/jsb_cocos2d.js
index 94b1d64625..a95409a838 100644
--- a/cocos/scripting/js-bindings/script/jsb_cocos2d.js
+++ b/cocos/scripting/js-bindings/script/jsb_cocos2d.js
@@ -1591,7 +1591,9 @@ cc.Touch.prototype.getLocationY = function(){
 cc.Director.EVENT_PROJECTION_CHANGED = "director_projection_changed";
 cc.Director.EVENT_AFTER_DRAW = "director_after_draw";
 cc.Director.EVENT_AFTER_VISIT = "director_after_visit";
+cc.Director.EVENT_BEFORE_UPDATE = "director_before_update";
 cc.Director.EVENT_AFTER_UPDATE = "director_after_update";
+cc.Director.EVENT_BEFORE_SCENE_LAUNCH = "director_before_scene_launch";
 
 cc.Director.prototype.runScene = function(scene){
     if (!this.getRunningScene()) {