Cocos2dx C++ --取得子节点在屏幕中相对位置

1. Sprite*pTest1=Sprite::create("CloseNormal.png");
2. pTest1->setPosition(ccp(100.0f,120.0f));
4. Sprite*pTest2=Sprite::create("CloseNormal.png");
5. pTest2->setPosition(ccp(10.0f,12.0f));
6. pTest1->addChild(pTest2);
7. this->addChild(pTest1);
8. Vec2point=pTest2->getParent()->convertToWorldSpaceAR(pTest2->getPosition());
9. CCLOG("pos1=%f,%f",pTest1->getPosition().x,pTest1->getPosition().y);
10. CCLOG("pos2=%f,pTest2->getPosition().x,pTest2->getPosition().y);
11. CCLOG("pos3=%f,point.x,point.y);