diff --git a/cocos2dx/base_nodes/CCAtlasNode.cpp b/cocos2dx/base_nodes/CCAtlasNode.cpp
index 58e8231b3b..f8125835bc 100644
--- a/cocos2dx/base_nodes/CCAtlasNode.cpp
+++ b/cocos2dx/base_nodes/CCAtlasNode.cpp
@@ -152,7 +152,7 @@ void AtlasNode::draw(void)
 
 // AtlasNode - RGBA protocol
 
-const ccColor3B& AtlasNode::getColor()
+const ccColor3B& AtlasNode::getColor() const
 {
     if(_isOpacityModifyRGB)
     {
@@ -191,7 +191,7 @@ void AtlasNode::setOpacityModifyRGB(bool bValue)
     this->setColor(oldColor);
 }
 
-bool AtlasNode::isOpacityModifyRGB()
+bool AtlasNode::isOpacityModifyRGB() const
 {
     return _isOpacityModifyRGB;
 }
diff --git a/cocos2dx/base_nodes/CCAtlasNode.h b/cocos2dx/base_nodes/CCAtlasNode.h
index fdb6ba46ef..2dd6b22b69 100644
--- a/cocos2dx/base_nodes/CCAtlasNode.h
+++ b/cocos2dx/base_nodes/CCAtlasNode.h
@@ -107,9 +107,9 @@ public:
     /** sets a new texture. it will be retained*/
     virtual void setTexture(Texture2D *texture);
     
-    virtual bool isOpacityModifyRGB();
+    virtual bool isOpacityModifyRGB() const;
     virtual void setOpacityModifyRGB(bool isOpacityModifyRGB);
-    virtual const ccColor3B& getColor(void);
+    virtual const ccColor3B& getColor(void) const;
     virtual void setColor(const ccColor3B& color);
     virtual void setOpacity(GLubyte opacity);
 
diff --git a/cocos2dx/menu_nodes/CCMenu.h b/cocos2dx/menu_nodes/CCMenu.h
index e6dacb2aa2..d528dd3f8e 100644
--- a/cocos2dx/menu_nodes/CCMenu.h
+++ b/cocos2dx/menu_nodes/CCMenu.h
@@ -135,7 +135,7 @@ public:
     virtual void onExit();
 
     virtual void setOpacityModifyRGB(bool bValue) {CC_UNUSED_PARAM(bValue);}
-    virtual bool isOpacityModifyRGB(void) { return false;}
+    virtual bool isOpacityModifyRGB(void) const { return false;}
     
     virtual bool isEnabled() { return _enabled; }
     virtual void setEnabled(bool value) { _enabled = value; };
diff --git a/cocos2dx/misc_nodes/CCProgressTimer.cpp b/cocos2dx/misc_nodes/CCProgressTimer.cpp
index 60f9339e0a..8dbe478445 100644
--- a/cocos2dx/misc_nodes/CCProgressTimer.cpp
+++ b/cocos2dx/misc_nodes/CCProgressTimer.cpp
@@ -154,7 +154,7 @@ void ProgressTimer::setOpacityModifyRGB(bool bValue)
     CC_UNUSED_PARAM(bValue);
 }
 
-bool ProgressTimer::isOpacityModifyRGB(void)
+bool ProgressTimer::isOpacityModifyRGB(void) const
 {
     return false;
 }
@@ -225,7 +225,7 @@ void ProgressTimer::updateProgress(void)
     }
 }
 
-void ProgressTimer::setAnchorPoint(Point anchorPoint)
+void ProgressTimer::setAnchorPoint(const Point& anchorPoint)
 {
     Node::setAnchorPoint(anchorPoint);
 }
diff --git a/cocos2dx/misc_nodes/CCProgressTimer.h b/cocos2dx/misc_nodes/CCProgressTimer.h
index babc5a2342..0b6eb582d9 100644
--- a/cocos2dx/misc_nodes/CCProgressTimer.h
+++ b/cocos2dx/misc_nodes/CCProgressTimer.h
@@ -80,10 +80,10 @@ public:
     void setReverseProgress(bool reverse);
 
     virtual void draw(void);
-    void setAnchorPoint(Point anchorPoint);
+    void setAnchorPoint(const Point& anchorPoint);
 
     virtual void setOpacityModifyRGB(bool bValue);
-    virtual bool isOpacityModifyRGB(void);
+    virtual bool isOpacityModifyRGB(void) const;
     
     inline bool isReverseDirection() { return _reverseDirection; };
     inline void setReverseDirection(bool value) { _reverseDirection = value; };
diff --git a/extensions/GUI/CCControlExtension/CCControl.cpp b/extensions/GUI/CCControlExtension/CCControl.cpp
index 432dd66052..4a541c0268 100644
--- a/extensions/GUI/CCControlExtension/CCControl.cpp
+++ b/extensions/GUI/CCControlExtension/CCControl.cpp
@@ -248,7 +248,7 @@ void Control::setOpacityModifyRGB(bool bOpacityModifyRGB)
     }
 }
 
-bool Control::isOpacityModifyRGB()
+bool Control::isOpacityModifyRGB() const
 {
     return _isOpacityModifyRGB;
 }
diff --git a/extensions/GUI/CCControlExtension/CCControl.h b/extensions/GUI/CCControlExtension/CCControl.h
index 4b4e6f7084..7b4326fa8a 100644
--- a/extensions/GUI/CCControlExtension/CCControl.h
+++ b/extensions/GUI/CCControlExtension/CCControl.h
@@ -114,7 +114,7 @@ public:
      */
     virtual void needsLayout();
     
-    virtual bool isOpacityModifyRGB();
+    virtual bool isOpacityModifyRGB() const;
     virtual void setOpacityModifyRGB(bool bOpacityModifyRGB);
 
 protected:
diff --git a/extensions/GUI/CCControlExtension/CCControlButton.cpp b/extensions/GUI/CCControlExtension/CCControlButton.cpp
index b0a82282e0..9558f90ee3 100644
--- a/extensions/GUI/CCControlExtension/CCControlButton.cpp
+++ b/extensions/GUI/CCControlExtension/CCControlButton.cpp
@@ -724,7 +724,7 @@ void ControlButton::setOpacity(GLubyte opacity)
     }
 }
 
-GLubyte ControlButton::getOpacity()
+GLubyte ControlButton::getOpacity() const
 {
     return _realOpacity;
 }
@@ -741,7 +741,7 @@ void ControlButton::setColor(const ccColor3B & color)
     }
 }
 
-const ccColor3B& ControlButton::getColor()
+const ccColor3B& ControlButton::getColor() const
 {
 	return _realColor;
 }
diff --git a/extensions/GUI/CCControlExtension/CCControlButton.h b/extensions/GUI/CCControlExtension/CCControlButton.h
index 620ec4803a..3acd8daf1b 100644
--- a/extensions/GUI/CCControlExtension/CCControlButton.h
+++ b/extensions/GUI/CCControlExtension/CCControlButton.h
@@ -91,9 +91,9 @@ protected:
     CC_PROPERTY(Point, _labelAnchorPoint, LabelAnchorPoint);
 
     /* Override setter to affect a background sprite too */
-    virtual GLubyte getOpacity(void);
+    virtual GLubyte getOpacity(void) const;
     virtual void setOpacity(GLubyte var);
-	virtual const ccColor3B& getColor(void);
+	virtual const ccColor3B& getColor(void) const;
 	virtual void setColor(const ccColor3B&);
     
     /** Flag to know if the button is currently pushed.  */
diff --git a/extensions/GUI/CCControlExtension/CCScale9Sprite.cpp b/extensions/GUI/CCControlExtension/CCScale9Sprite.cpp
index f8d18c3edc..517a7386a6 100644
--- a/extensions/GUI/CCControlExtension/CCScale9Sprite.cpp
+++ b/extensions/GUI/CCControlExtension/CCScale9Sprite.cpp
@@ -719,7 +719,7 @@ void Scale9Sprite::setOpacityModifyRGB(bool var)
         }
     }
 }
-bool Scale9Sprite::isOpacityModifyRGB()
+bool Scale9Sprite::isOpacityModifyRGB() const
 {
     return _opacityModifyRGB;
 }
@@ -806,7 +806,7 @@ void Scale9Sprite::setColor(const ccColor3B& color)
     }
 }
 
-const ccColor3B& Scale9Sprite::getColor()
+const ccColor3B& Scale9Sprite::getColor() const
 {
 	return _color;
 }
@@ -827,7 +827,7 @@ void Scale9Sprite::setOpacity(GLubyte opacity)
     }
 }
 
-GLubyte Scale9Sprite::getOpacity()
+GLubyte Scale9Sprite::getOpacity() const
 {
 	return _opacity;
 }
diff --git a/extensions/GUI/CCControlExtension/CCScale9Sprite.h b/extensions/GUI/CCControlExtension/CCScale9Sprite.h
index de9ef8db50..3002d63985 100644
--- a/extensions/GUI/CCControlExtension/CCScale9Sprite.h
+++ b/extensions/GUI/CCControlExtension/CCScale9Sprite.h
@@ -306,11 +306,11 @@ public:
     /** returns whether or not the opacity will be applied using glColor(R,G,B,opacity) or glColor(opacity, opacity, opacity, opacity);
      @since v0.8
      */
-    virtual bool isOpacityModifyRGB(void);
+    virtual bool isOpacityModifyRGB(void) const;
     virtual void setOpacity(GLubyte opacity);
-	virtual GLubyte getOpacity();
+	virtual GLubyte getOpacity() const;
     virtual void setColor(const ccColor3B& color);
-	virtual const ccColor3B& getColor();
+	virtual const ccColor3B& getColor() const;
 
     virtual bool updateWithBatchNode(SpriteBatchNode* batchnode, Rect rect, bool rotated, Rect capInsets);
 
diff --git a/extensions/physics_nodes/CCPhysicsSprite.cpp b/extensions/physics_nodes/CCPhysicsSprite.cpp
index 8f96926e23..f47ad21f04 100644
--- a/extensions/physics_nodes/CCPhysicsSprite.cpp
+++ b/extensions/physics_nodes/CCPhysicsSprite.cpp
@@ -166,28 +166,29 @@ void PhysicsSprite::setIgnoreBodyRotation(bool bIgnoreBodyRotation)
 }
 
 // Override the setters and getters to always reflect the body's properties.
-const Point& PhysicsSprite::getPosition()
+const Point& PhysicsSprite::getPosition() const
 {
-    updatePosFromPhysics();
-    return Node::getPosition();
+    return getPosFromPhysics();
 }
 
-void PhysicsSprite::getPosition(float* x, float* y)
+void PhysicsSprite::getPosition(float* x, float* y) const
 {
-    updatePosFromPhysics();
-    return Node::getPosition(x, y);
+    if (x == NULL || y == NULL) {
+        return;
+    }
+    const Point& pos = getPosFromPhysics();
+    *x = pos.x;
+    *y = pos.y;
 }
 
-float PhysicsSprite::getPositionX()
+float PhysicsSprite::getPositionX() const
 {
-    updatePosFromPhysics();
-    return _position.x;
+    return getPosFromPhysics().x;
 }
 
-float PhysicsSprite::getPositionY()
+float PhysicsSprite::getPositionY() const
 {
-    updatePosFromPhysics();
-    return _position.y;
+    return getPosFromPhysics().y;
 }
 
 //
@@ -270,22 +271,22 @@ void PhysicsSprite::setCPBody(cpBody *pBody)
 // Common to Box2d and Chipmunk
 //
 
-void PhysicsSprite::updatePosFromPhysics()
+const Point& PhysicsSprite::getPosFromPhysics() const
 {
-
+    static Point s_physicPosion;
 #if CC_ENABLE_CHIPMUNK_INTEGRATION
 
     cpVect cpPos = cpBodyGetPos(_CPBody);
-    _position = ccp(cpPos.x, cpPos.y);
+    s_physicPosion = ccp(cpPos.x, cpPos.y);
 
 #elif CC_ENABLE_BOX2D_INTEGRATION
 
     b2Vec2 pos = _pB2Body->GetPosition();
     float x = pos.x * _PTMRatio;
     float y = pos.y * _PTMRatio;
-    _position = ccp(x,y);
+    s_physicPosion = ccp(x,y);
 #endif
-
+    return s_physicPosion;
 }
 
 void PhysicsSprite::setPosition(const Point &pos)
@@ -303,7 +304,7 @@ void PhysicsSprite::setPosition(const Point &pos)
 
 }
 
-float PhysicsSprite::getRotation()
+float PhysicsSprite::getRotation() const
 {
 #if CC_ENABLE_CHIPMUNK_INTEGRATION
 
diff --git a/extensions/physics_nodes/CCPhysicsSprite.h b/extensions/physics_nodes/CCPhysicsSprite.h
index b0b2664ed0..7c209e5ea9 100644
--- a/extensions/physics_nodes/CCPhysicsSprite.h
+++ b/extensions/physics_nodes/CCPhysicsSprite.h
@@ -96,12 +96,12 @@ public:
     bool isIgnoreBodyRotation() const;
     void setIgnoreBodyRotation(bool bIgnoreBodyRotation);
 
-    virtual const Point& getPosition();
-    virtual void getPosition(float* x, float* y);
-    virtual float getPositionX();
-    virtual float getPositionY();
+    virtual const Point& getPosition() const;
+    virtual void getPosition(float* x, float* y) const;
+    virtual float getPositionX() const;
+    virtual float getPositionY() const;
     virtual void setPosition(const Point &position);
-    virtual float getRotation();
+    virtual float getRotation() const;
     virtual void setRotation(float fRotation);
     virtual AffineTransform nodeToParentTransform();
 
@@ -123,7 +123,7 @@ public:
     void setPTMRatio(float fPTMRatio);
 
 protected:
-    void updatePosFromPhysics();
+    const Point& getPosFromPhysics() const;
 };
 
 NS_CC_EXT_END
diff --git a/extensions/spine/CCSkeleton.cpp b/extensions/spine/CCSkeleton.cpp
index 124209c246..f2289f1ac4 100644
--- a/extensions/spine/CCSkeleton.cpp
+++ b/extensions/spine/CCSkeleton.cpp
@@ -284,7 +284,7 @@ void CCSkeleton::setOpacityModifyRGB (bool value) {
 	premultipliedAlpha = value;
 }
 
-bool CCSkeleton::isOpacityModifyRGB () {
+bool CCSkeleton::isOpacityModifyRGB () const {
 	return premultipliedAlpha;
 }
 
diff --git a/extensions/spine/CCSkeleton.h b/extensions/spine/CCSkeleton.h
index 4715e87f3a..e1d739da9b 100644
--- a/extensions/spine/CCSkeleton.h
+++ b/extensions/spine/CCSkeleton.h
@@ -82,7 +82,7 @@ public:
 	// --- BlendProtocol
 	CC_PROPERTY_PASS_BY_REF(cocos2d::ccBlendFunc, blendFunc, BlendFunc);
 	virtual void setOpacityModifyRGB (bool value);
-	virtual bool isOpacityModifyRGB ();
+	virtual bool isOpacityModifyRGB() const;
 
 protected:
 	CCSkeleton ();