cocos2dx 多触点监听

/首先到cocos2d-x项目下的ios文件夹下，找到AppController.mm文件，在函数 didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 中添加如下函数：  [__glView setMultipleTouchEnabled:YES];  
  
bool HelloWorld::init()  
{  
      
    if ( !CCLayer::init() )  
    {  
        return false;  
    }  
      
    //开启多触点监听务必调用此函数  
    setTouchEnabled(true);  
      
    CCSprite* sp1 = CCSprite::create("Icon.png");  
    sp1->setPosition(ccp(150, 200));  
    addChild(sp1, 0, 23);  
      
    CCSprite* sp2 = CCSprite::create("Icon.png");  
    sp2->setColor(ccc3(0, 255, 0));  
    sp2->setPosition(ccp(150, 100));  
    addChild(sp2, 0, 24);  
      
    return true;  
}  
  
//第一次碰触  
void HelloWorld::ccTouchesBegan(cocos2d::CCSet *touches, cocos2d::CCEvent *event)  
{  
    CCSetIterator inter = touches->begin();  
    for(; inter != touches->end(); inter++)  
    {  
        CCTouch* touch = (CCTouch*)(*inter);  
        CCPoint point = touch->getLocation();  
        if(touch->getID() == 0) //第一个触点  
        {  
            CCSprite* sp1 = (CCSprite*)getChildByTag(23);  
            sp1->setPosition(point);  
        }else if(touch->getID() == 1)//第二个触点  
        {  
            CCSprite* sp2 = (CCSprite*)getChildByTag(24);  
            sp2->setPosition(point);  
        }  
    }  
}  
  
//移动或拖拽  
void HelloWorld::ccTouchesMoved(cocos2d::CCSet *touches, cocos2d::CCEvent *event)  
{  
    CCSetIterator inter = touches->begin();  
    for(; inter != touches->end(); inter++)  
    {  
        CCTouch* touch = (CCTouch*) (*inter);  
        CCPoint point = touch->getLocation();  
        if(touch->getID() == 0)  
        {  
            CCSprite* sp1 = (CCSprite*)getChildByTag(23);  
            sp1->setPosition(point);  
        }else if(touch->getID() == 1)  
        {  
            CCSprite* sp2 = (CCSprite*)getChildByTag(24);  
            sp2->setPosition(point);  
        }  
    }  
}  
  
//用户手指抬起  
void HelloWorld::ccTouchesEnded(cocos2d::CCSet *touches, cocos2d::CCEvent *event)  
{  
      
}  
  
//多触点的委托监听注册放在onEnter的生命函数中会造成程序异常退出。默认都写在下面函数中。  
void HelloWorld::registerWithTouchDispatche()  
{  
    CCDirector::sharedDirector()->getTouchDispatcher()->addStandardDelegate(this, 0);  
}  
  
  
//删除多触点的委托监听  
void HelloWorld::onExit()  
{  
    CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);  
  
    //这句务必要写  
    CCLayer::onExit();  
}