1 //创建一个精灵
2 Sprite *spriteTest = Sprite::create("1.png");
3 spriteTest->setPosition(Point(100,100));
4 this->addChild(spriteTest);
5 //创建一个单点触摸事件监听
6 auto listener = EventListenerTouchOneByOne::create();
7 //向下传递触摸
8 listener->setSwallowTouches(true);
9 //触摸回调
10 listener->onTouchBegan = [](Touch *touch,Event *event)
11 {
12 auto target = event->getCurrentTarget();
13 Point locationInNode = target->convertToNodeSpace(touch->getLocation());
14 Size size = target->getContentSize();
15 Rect rect = Rect(0, 0, size.width, size.height);
16 if (rect.containsPoint(locationInNode)) {
17 CCLOG("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y);
18 target->setOpacity(180);
19 return true;
20 }
21 return false;
22 };
23
24 listener->onTouchMoved = [](Touch *touch,Event *event)
25 {
26 auto target = event->getCurrentTarget();
27 target->setPosition(target->getPosition()+touch->getDelta());
28 };
29
30 listener->onTouchEnded = [](Touch *touch,Event *event)
31 {
32 auto target = event->getCurrentTarget();
33 target->setOpacity(255);
34 };
35
36 _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, spriteTest);
