cocos2dx-把触点坐标转换成TieldMap坐标

cocos2d::CCPoint HelloWorld::covertPointToTiledCoord(cocos2d::CCPoint p)
{
	int x = p.x / mMap->getTileSize().width;
	int y = ((mMap->getMapSize().height * mMap->getTileSize().height) - p.y) / mMap->getTileSize().height;

	return ccp(x, y);
}