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();

};