多点触摸的实现步骤与单点触摸类似,setTouchEnabled(true)开启触摸功能,注册触摸事件,重载多点触摸函数:ccTouchesBegan(开始)、ccTouchesMoved(移动)、ccTouchesEnded(结束)、ccTouchesCancelled(系统中断取消触摸事件),每个多点触摸函数都可以通过遍历整个CCSet来获得所有的触点。
程序代码:
头文件加入触摸重载函数:
virtual void registerWithTouchDispatcher(void); virtual void ccTouchesBegan(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent); virtual void ccTouchesMoved(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent); virtual void ccTouchesEnded(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent); virtual void ccTouchesCancelled(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent);
cpp文件加入:
setTouchEnabled(true);
定义实现这些函数:
void HelloWorld::registerWithTouchDispatcher() { CCDirector *pdir = CCDirector::sharedDirector(); pdir->getTouchDispatcher()->addStandardDelegate(this, 0); } void HelloWorld::ccTouchesBegan(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent) { CCSetIterator iter = pTouches->begin(); for (; iter != pTouches->end(); iter++) { CCTouch* pTouch = (CCTouch*)(*iter); CCPoint location = pTouch->getLocation(); CCLOG("ccTouchesBegan x: %f, y: %f", location.x, location.y); } } void HelloWorld::ccTouchesEnded(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent) { CCSetIterator iter = pTouches->begin(); for (; iter != pTouches->end(); iter++) { CCTouch* pTouch = (CCTouch*)(*iter); CCPoint location = pTouch->getLocation(); CCLOG("ccTouchesEnded x: %f, y: %f", location.x, location.y); } } void HelloWorld::ccTouchesMoved(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent) { CCSetIterator iter = pTouches->begin(); for (; iter != pTouches->end(); iter++) { CCTouch* pTouch = (CCTouch*)(*iter); CCPoint location = pTouch->getLocation(); CCLOG("ccTouchesMoved x: %f, y: %f", location.x, location.y); } } void HelloWorld::ccTouchesCancelled(cocos2d::CCSet *pTouches, cocos2d::CCEvent *pEvent) { CCSetIterator iter = pTouches->begin(); for (; iter != pTouches->end(); iter++) { CCTouch* pTouch = (CCTouch*)(*iter); CCPoint location = pTouch->getLocation(); CCLOG("x: %f, y: %f", location.x, location.y); } }
原文:http://blog.csdn.net/oyangyufu/article/details/26108807