void HelloWorld::onEnter(){    CCLayer::onEnter();    CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this,0,false);}void HelloWorld::onExit(){    CCLayer::onEnter();    CCDirector::sharedDirector()->getTouchDispatcher()->removeAllDelegates();}bool HelloWorld::ccTouchBegan(CCTouch *pTouch,CCEvent *pEvent){    CCLOG("began");    return true;//返回true表示可以接受接下来的事件}void HelloWorld::ccTouchMoved(CCTouch *pTouch,CCEvent *pEvent){    CCLOG("move");}void HelloWorld::ccTouchEnded(CCTouch *pTouch,CCEvent *pEvent){    CCLOG("end");}//这个不常用void HelloWorld::ccTouchCancelled(CCTouch *pTouch,CCEvent *pEvent){    CCLOG("cancell");}