编辑:好的,我只是通过观看TouchesTest cocos2d-x样本找到了解决方案。唯一缺少的是测试触摸位置是否包含在sprite rect中并声明触摸。因此,我能够用那个代码替换我以前的代码
bool Artifact::claimTouch(CCTouch* pTouch)
{
CCPoint touchLocation = pTouch->getLocation();
CCRect boundingBox = this->boundingBox();
return boundingBox.containsPoint(touchLocation);
}
bool Artifact::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
{
if (claimTouch(pTouch))
{
CCLog("id:%i", this->id);
return true;
}
return false;
}
编辑结束
我试图截取我在场景中添加的对象的特定触摸。
添加两个对象的代码:
Artifact* artifact1 = new Artifact(1);
Artifact* artifact2 = new Artifact(2);
CCRect cropRect = CCRectZero;
cropRect.size = CCSize(50,50);
artifact1->initWithFile("rock_small.png", cropRect);
artifact1->setPosition(CCPoint(100, 100));
artifact2->initWithFile("grey_rock.jpg", cropRect);
artifact2->setPosition(CCPoint(300, 200));
这是我在模拟器上获得的内容
screenshot http://img62.imageshack.us/img62/3284/cctouchbeganissue.png
我的工件类的代码
//的.h
class Artifact : public CCSprite, public CCTargetedTouchDelegate
{
public:
Artifact(int id) : id(id), pressed(false){};
virtual void onEnter();
virtual void onExit();
bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent);
private:
int id;
bool pressed;
};
//。CPP
void Artifact::onEnter()
{
CCSprite::onEnter();
CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 0, true);
}
void Artifact::onExit()
{
CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);
CCSprite::onExit();
}
bool Artifact::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
{
CCLog("id:%i", this->id);
return true;
}
无论我点击屏幕上的哪一点(即使我没有点击两个方格中的一个),在第二个工件上调用ccTouchBegan(输出为" id:2")。它就像我在最后位置添加的CCSprite(即顶部z坐标)覆盖整个屏幕并阻止我访问它下面的元素。
知道可能是什么原因?
答案 0 :(得分:1)
观看TouchesTest cocos2d-x样本
几个关键点
class Paddle : public CCSprite, public CCTargetedTouchDelegate
virtual void onEnter();
virtual void onExit();
bool containsTouchLocation(CCTouch* touch);
virtual bool ccTouchBegan(CCTouch* touch, CCEvent* event);
virtual void ccTouchMoved(CCTouch* touch, CCEvent* event);
virtual void ccTouchEnded(CCTouch* touch, CCEvent* event);
这应该解决问题