Mark Sprite touchable

gistfile1.txt

    
    // Make hero touchable
    auto listener1 = EventListenerTouch::create(Touch::DispatchMode::ONE_BY_ONE);
    listener1->setSwallowTouches(true);
    
    listener1->onTouchBegan = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        
        Point locationInNode = target->convertToNodeSpace(touch->getLocation());
        Size s = target->getContentSize();
        Rect rect = Rect(0, 0, s.width, s.height);
        
        if (rect.containsPoint(locationInNode))
        {
            log("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y);
            target->setOpacity(180);
            return true;
        }
        return false;
    };
    
    listener1->onTouchMoved = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        target->setPosition(target->getPosition() + touch->getDelta());
    };
    
    listener1->onTouchEnded = [=](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        log("sprite onTouchesEnded.. ");
        target->setOpacity(255);
    };
    EventDispatcher::getInstance()->addEventListenerWithSceneGraphPriority(listener1, hero);