void TFMenuScrollViewScene1::addTouchEvent()
{
	Size winSize = Director::getInstance()->getWinSize();
	auto listener1 = EventListenerTouchOneByOne::create();//创建一个触摸监听
	listener1->setSwallowTouches(false);//设置是否想下传递触摸
	//3.0 后可以直接在touchBegan后添加它的实现代码,而不用特意去写一个touchBegan的函数
	listener1->onTouchBegan = [](Touch* touch, Event* event)
	{
		return true;
	};

	listener1->onTouchMoved = [](Touch* touch, Event* event)
	{

	};

	listener1->onTouchEnded = [=](Touch* touch, Event* event)
	{
		scrollView->unscheduleAllSelectors();

		float layerX = scrollView->getContentOffset().x;
		int offset = (int)layerX % (int)winSize.width;
		Point adjustPos;
		float adjustAnimeDelay;
		float oldlayerX = -(page*winSize.width);

		if (layerX == oldlayerX) 
		{
			adjustPos = scrollView->getContentOffset() - Point(offset, 0);
			adjustAnimeDelay = (float)abs(offset) / (winSize.width / 2);
		}

		if (layerX>oldlayerX) 
		{
			page--;
			if (page<0) 
			{
				page = 0;
			}

			adjustPos = scrollView->getContentOffset() - Point(offset, 0);
			adjustAnimeDelay = (float)abs(offset) / (winSize.width / 2);
		}
		else
		{
			if (page >= 2) 
			{
				page = 1;
			}
			if (offset<-winSize.width / 2) 
			{
				page++;
				adjustPos = scrollView->getContentOffset() - Point(winSize.width + offset, 0);
				adjustAnimeDelay = (float)abs(winSize.width + offset) / (winSize.width / 2);
			}
			else
			{
				adjustPos = scrollView->getContentOffset() - Point(offset, 0);
				adjustAnimeDelay = (float)abs(offset) / (winSize.width / 2);
			}
		}
		scrollView->setContentOffsetInDuration(adjustPos, adjustAnimeDelay);
		MenuItemImage* image = (MenuItemImage*)buildArr.at(page);
		image->selected();
		CCLOG("--------%i--------", page);
	};

	_eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, scrollView);
}