cocos2dx之创建一个菜单按钮

1，在没有图片资源的情况下，如果想要创建一个只有字体的Menu按钮，看如下代码的创建步骤：

        CCLabelTTF *label = CCLabelTTF::create("Exit",  "Arial", 20); // create a exit botton
        CCMenuItemLabel *exit_game = CCMenuItemLabel::create(label, this, menu_selector(HelloWorld::menuExitGame) );
        exit_game->setPosition(CCPointZero);
        exit_game->setPosition(size.width -40, size.height - 40); // add an exit  button

               

CCMenu* pMenu = CCMenu::create( exit_game,NULL); //最后添加进去，就创建成功了

2，我需要用图片资源来创建自己风格的Menu菜单，代码如下：

 CCMenuItemImage *pCloseItem = CCMenuItemImage::create(
            "NextLayeNormal.png", //png.jpg等图片格式都是可以的
            "NextLayeSelected.png",
            this,
            menu_selector(HelloWorld::menuCallback));
        CC_BREAK_IF(! pCloseItem);
        pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 70, 30));

CCMenu* pMenu = CCMenu::create( pCloseItem ,NULL); //最后添加进去，就创建成功了

以上是两种创建menu菜单的方式，还有另外几种方式，CCLabelAtlas，CCMenuItemFont

    CCLabelAtlas *plabelAtals = CCLabelAtlas::create("0123456789", "labelatlas.png", 16, 24, '.');
    plabelAtals->setColor(ccc3(250, 100, 0));
    CCMenuItemLabel *atalsMenu = CCMenuItemLabel::create(plabelAtals, this, menu_selector(MenuDemo::font_callBack));
    atalsMenu->setPosition(ccp(size.width / 3, size.height / 2));
    CCMenu *menu = CCMenu::create(atalsMenu, NULL);
    menu->setPosition(CCPointZero);
   

    CCMenuItemFont::setFontName("Marker Felt");
    CCMenuItemFont *menufont = CCMenuItemFont::create("My test Menu", this, menu_selector(MenuDemo::menuCallbackPriorityTest));
    menufont->setColor(ccc3(250, 100, 0));
    menufont->setPosition(ccp(size.width - 200, size.height / 2));
    menu->setPosition(CCPointZero);
    menu->addChild(menufont, 1);


     this->addChild(menu, 1);

采用CCMenuItemToggle来创建开关菜单，例子代码如下：

void MyMenuItemToggleLayer::initLayer() {
    CCSize size = CCDirector::sharedDirector()->getWinSize();
    CCSprite *bg = CCSprite::create("BG.jpg");
    bg->setPosition(ccp(size.width / 2.0f, size.height / 2.0f));
    this->addChild(bg, 1);
    CCMenuItemFont::setFontName( "Marker Felt" );
    CCMenuItemFont::setFontSize(34);
    CCMenuItemFont *on = CCMenuItemFont::create("On", this, menu_selector(MyMenuItemToggleLayer::onCallBack));
    on->setPosition(ccp(400, 400));
    CCMenuItemFont *create = CCMenuItemFont::create("Create", this, menu_selector(MyMenuItemToggleLayer::createCallBack));
    create->setPosition(ccp(500, 500));
    CCMenuItemToggle *toggle = CCMenuItemToggle::create(   this,
                                                                                        menu_selector(MyMenuItemToggleLayer::CallBack),
                                                                                        on,
                                                                                        create,
                                                                                        NULL);
    toggle->setColor(ccc3(255, 0 ,0));
    toggle->setPosition(ccp(size.width / 2.0f, size.height / 2.0f));
    CCMenu *menu = CCMenu::create(toggle, NULL);
    menu->setPosition(CCPointZero);
    this->addChild(menu, 2);
                                                                                        
}