cocos2d-x-3.x 触摸反馈(1)单点触摸

 1 bool HelloWorld::init()
 2 {
 3     if ( !Layer::init())
 4     {
 5         return false;
 6     }
 7     Size size = Director::getInstance()->getVisibleSize();    //获取有效长度
 8     auto label = LabelTTF::create("Click me", "Courier", 30);    //输入文字
 9     label->setPosition(size.width / 2, size.height / 2);    //中央
10     addChild(label);    //加入图层
11     auto listener = EventListenerTouchOneByOne::create();    //创建事件监听器，C++11的特性
12     listener->onTouchBegan = [](Touch *t, Event *e){    //捕获变量
13         log("onTouchBegan");    //反馈输出
14         return false;
15     };
16     Director::getInstance()->getEventDispatcher()->
17         addEventListenerWithSceneGraphPriority(listener, label);
18     return true;
19 }