cocos2d-x CC_SYNTHESIZE_READONLY


http://www.cnblogs.com/wanqieddy/p/3323748.html

//定义一个只读属性Label,在类定义中可以使用this->getLabel来访问
     CC_SYNTHESIZE_READONLY(cocos2d::CCLabelTTF*,_label,Label);
 
CC_SYNTHESIZE_READONLY(varType, varName, funName)声明一个成员变量以及getfunName函数,没有set函数。getfunName已经实现,其实现就是返回这个值。
 
this ->_layer = GameOverLayer::node();
this ->_layer->retain();         
this ->addChild(_layer);
 
 
bool  GameOverLayer::init()
{
     if (CCLayerColor::initWithColor(ccc4(255,255,255,255)))
     {
         CCSize winSize = CCDirector::sharedDirector()->getWinSize();
         this ->_label = CCLabelTTF::labelWithString( "" , "Artial" ,32);
         this ->_label->retain();
         this ->_label->setColor(ccc3(0,0,0));
         this ->_label->setPosition(ccp(winSize.width/2,winSize.height/2));
         this ->addChild( this ->_label);
 
         this ->runAction(CCSequence::actions(CCDelayTime::actionWithDuration(3),
                                         CCCallFunc::actionWithTarget( this ,
                                         callfunc_selector(GameOverLayer::gameOverDone)),NULL));
         return  true ;
     }
     else
     {
         return  false ;   
     }
}

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