cocos2d-x3.0之Touch事件

本站文章转载务必在明显处注明：原文链接 http://blog.csdn.net/cjsen/article/details/17240319

前言

在cocos2dx 3.0 开始 Layer的点击事件以节点的添加顺序进行分配，在Layer侦听onTouchBegan等方法

Layer 添加侦听事件

在Layer初始化方法中添加以下代码

    this->setSwallowsTouches(false);//是否吞食事件的传递，单点触摸模式下才起作用
    setTouchEnabled(true);//开启事件侦听
    this->setTouchMode(Touch::DispatchMode::ONE_BY_ONE);//单点触摸

	virtual bool onTouchBegan(Touch* pTouch, Event* pEvent);
	virtual void onTouchMoved(Touch* pTouch, Event* pEvent);
	virtual void onTouchEnded(Touch* pTouch, Event* pEvent);
	virtual void onTouchCancelled(Touch* pTouch, Event* pEvent);

static Layer* m_pOldLayer = NULL;

void ZY_TableChange::initTouchEvent(){
//
    auto m_pListener = EventListenerTouch::create(Touch::DispatchMode::ONE_BY_ONE);
    m_pListener->setSwallowTouches(false);
    m_pListener -> retain();
    
    m_pListener->OnTouchBegan= [](Touch* touch, Event* event) {
        m_pOldLayer->onTouchBegan(touch, event);
        return true;
    };
    
    m_pListener->OnTouchMoved= [](Touch* touch, Event* event) {
        m_pOldLayer->onTouchMoved(touch, event);
    };
    
    m_pListener->OnTouchEnded= [](Touch* touch, Event* event) {
        m_pOldLayer->onTouchEnded(touch, event);

    };
    
    m_pListener->OnTouchCancelled= [](Touch* touch, Event* event) {
        m_pOldLayer->onTouchCancelled(touch, event);
    };
    
    EventDispatcher::getInstance()->addEventListenerWithFixedPriority(m_pListener, -100);
}