1.c++：

// set touch
		auto eventDispatcher = Director::getInstance()->getEventDispatcher();
		auto listen = EventListenerTouchOneByOne::create();
		listen->onTouchBegan = CC_CALLBACK_2(SneakyJoystick::ccTouchBegan, this);
		listen->onTouchMoved = CC_CALLBACK_2(SneakyJoystick::ccTouchMoved, this);
		listen->onTouchEnded = CC_CALLBACK_2(SneakyJoystick::ccTouchEnded, this);
		listen->onTouchCancelled = CC_CALLBACK_2(SneakyJoystick::ccTouchCancelled, this);
		eventDispatcher->addEventListenerWithSceneGraphPriority(listen, this);

// touch
    cc.eventManager.addListener({
        event: cc.EventListener.TOUCH_ONE_BY_ONE,
        swallowTouches: true,
        onTouchBegan: function () {
            console.log('began');
            return true;
        },
        onTouchMoved: function () {
            console.log('move');
        },
        onTouchEnded: function () {
            console.log('ended');
        }
    }, this);

cocos3——3.触屏事件