Cocos2d-x3.2 多点触控

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//GameScene.h #include "cocos2d.h" USING_NS_CC; class GameScene : public cocos2d::Layer{public:    static cocos2d::Scene* createScene();         virtual bool init();    //多点触控回调函数    virtual void onTouchesBegan(const std::vector<Touch*>& touches, Event *unused_event);    virtual void onTouchesMoved(const std::vector<Touch*>& touches, Event *unused_event);    virtual void onTouchesEnded(const std::vector<Touch*>& touches, Event *unused_event);    virtual void onTouchesCancelled(const std::vector<Touch*>&touches, Event *unused_event);         void menuCallback(Ref* pSender);         CREATE_FUNC(GameScene);     private:        //注意不能用auto关键字    Size size;    Sprite *sprite;};

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//GameScene.cpp //可参考MutiTouchTest.cpp #include "GameScene.h" USING_NS_CC; cocos2d::Scene* GameScene::createScene(){    auto scene = Scene::create();   //创建一个场景    auto layer = GameScene::create();   //创建一个图层    scene->addChild(layer);    return scene;} //初始化当前的图层bool GameScene::init(){    if(!Layer::init())      //初始化父类        return false;         //获取屏幕大小    size = Director::getInstance()->getVisibleSize();    //auto size = Director::getInstance()->getWinSize();         auto sprite = Sprite::create("Icon.png");    sprite->setPosition(Vec2(size.width/2, size.height/2));    sprite->setTag(12);    this->addChild(sprite);              //1.注册监听事件对象    auto listener = EventListenerTouchAllAtOnce::create();      //多点触摸         //2.定义监听对象的回调方法    listener->onTouchesBegan = CC_CALLBACK_2(GameScene::onTouchesBegan, this);    listener->onTouchesMoved = CC_CALLBACK_2(GameScene::onTouchesMoved, this);    listener->onTouchesEnded = CC_CALLBACK_2(GameScene::onTouchesEnded, this);    listener->onTouchesCancelled = CC_CALLBACK_2(GameScene::onTouchesCancelled, this);         //3.在事件监听器中注册（事件监听器包含：触摸事件、键盘相应事件、加速记录事件、鼠标响应事件、自定义事件）    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);          return true;} void GameScene::menuCallback(Ref* pSender){     }//触摸开始时调用void GameScene::onTouchesBegan(const std::vector<Touch*>& touches, Event *unused_event){    for (auto &item: touches)       //遍历容器中的各个成员！！！多点触摸时将显示同时显示多个精灵    {        auto touch = item;        auto location = touch->getLocation();        //加载一个精灵        auto sprite = Sprite::create("Icon.png");        sprite->setPosition(location);        addChild(sprite);    }}//触摸移动时调用void GameScene::onTouchesMoved(const std::vector<Touch*>& touches, Event *unused_event){     }//触摸结束时调用void GameScene::onTouchesEnded(const std::vector<Touch*>& touches, Event *unused_event){     }//取消触摸时调用void GameScene::onTouchesCancelled(const std::vector<Touch*>&touches, Event *unused_event){     }

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