cocos2dx 触屏事件

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
    //////////////////////////////
    // 1. super init first
    if ( !CCLayer::init() )
    {
        return false;
    }
    CCSprite * spr = CCSprite::create("Icon.png");
    spr->setPosition(ccp(150, 200));
    
    addChild(spr, 0 , 922);
    

      return true;
}

//    重写触屏回调函数
bool HelloWorld:: ccTouchBegan(CCTouch * touch ,CCEvent * event)
{
    CCLOG("ccTouchBegan");
    return true;
}

void HelloWorld:: ccTouchMoved(CCTouch * touch ,CCEvent * event)
{
    CCLOG("ccTouchMoved");
}
void HelloWorld:: ccTouchEnded(CCTouch * touch ,CCEvent * event)
{
    CCLOG("ccTouchEnded");
//    获取离开屏幕时对应的坐标
    CCPoint point = touch->getLocation();
//    获取到的tag=922精灵
    CCSprite * sp= (CCSprite*)this->getChildByTag(922);
//    暂停所有动作
    sp->stopAllActions();
//  执行move动作到用户离开的位子
    sp->runAction(CCMoveTo::create(1, point));
}

//    重写生命周期函数
void HelloWorld:: onEnter()
{
    CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 0, false);
    CCLayer::onEnter();
}
 void HelloWorld:: onExit()
{
    CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);
    CCLayer::onExit();

}

.h

 

 

using namespace cocos2d;

class HelloWorld : public cocos2d::CCLayer
{
public:
    // Method 'init' in cocos2d-x returns bool, instead of 'id' in cocos2d-iphone (an object pointer)
    virtual bool init();

    // there's no 'id' in cpp, so we recommend to return the class instance pointer
    static cocos2d::CCScene* scene();
 
    CREATE_FUNC(HelloWorld);
//    重写触屏回调函数
    virtual bool ccTouchBegan(CCTouch * touch ,CCEvent * event);
    virtual void ccTouchMoved(CCTouch * touch ,CCEvent * event);
    virtual void ccTouchEnded(CCTouch * touch ,CCEvent * event);
    
//    重写生命周期函数
    virtual void onEnter();
    virtual void onExit();
};