進行屏幕觸摸設置時候是在layer層之中進行設計
單點觸摸:
auto listener = EventListenerTouchOneByOne::create();//聲明事件
listener->onTouchBegan = [](Touch* touch,Event* event);
listener->onTouchMoved = [](Touch* touch,Event* event);
listener->onTouchEnded = [](Touch* touch,Event* event);
_eventDispatcher->addEventListenerWithSceneGraph(listener,this);//註冊進入列表
根據touch可以獲得觸摸點(注意座標的轉換)
Directer::getinstance()->converttoGL(touch->getlocationInveiw());
根據Event可以獲取當前註冊對象
auto target=static_cast<sprite*>(event->getcurrenttarget());
listenner->setswallowtoches(true);
吞併觸摸