Cocos2dx的定时器

this->schedule(schedule_selector(PokerScene::beginToDealCard) ,2);

表示每隔两秒就执行一次beginToDealCard;

如果想只执行beginToDealCard函数一次，则可以在beginToDealCard的末尾加一行代码来取消定时器:

this->unschedule(schedule_selector( PokerScene::beginToDealCard ));