/** creates a fullscreen black layer */     static LayerColor* create();     /** creates a Layer with color, width and height in Points */     static LayerColor * create(const Color4B& color, GLfloat width, GLfloat height);     /** creates a Layer with color. Width and height are the window size. */     static LayerColor * create(const Color4B& color);  CC_CONSTRUCTOR_ACCESS:     LayerColor();     virtual ~LayerColor();          bool init();     bool initWithColor(const Color4B& color, GLfloat width, GLfloat height);     bool initWithColor(const Color4B& color);

    /** Creates a fullscreen black layer */     static LayerGradient* create();      /** Creates a full-screen Layer with a gradient between start and end. */     static LayerGradient* create(const Color4B& start, const Color4B& end);      /** Creates a full-screen Layer with a gradient between start and end in the direction of v. */     static LayerGradient* create(const Color4B& start, const Color4B& end, const Point& v);  CC_CONSTRUCTOR_ACCESS:     LayerGradient();     virtual ~LayerGradient();          virtual bool init();     /** Initializes the Layer with a gradient between start and end.      * @js init      * @lua init      */     bool initWithColor(const Color4B& start, const Color4B& end);          /** Initializes the Layer with a gradient between start and end in the direction of v.      * @js init      * @lua init      */     bool initWithColor(const Color4B& start, const Color4B& end, const Point& v);

    /** change width in Points*/     void changeWidth(GLfloat w);     /** change height in Points*/     void changeHeight(GLfloat h);     /** change width and height in Points     @since v0.8     */     void changeWidthAndHeight(GLfloat w ,GLfloat h);

  // Create a "close" menu item with close icon, it's an auto release object.   MenuItemImage *pCloseItem = MenuItemImage::create(    "CloseNormal.png",//普通狀態下的圖片    "CloseSelected.png",//按下狀態下的圖片    CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));//響應函數與對象   CC_BREAK_IF(! pCloseItem);