读取.tmx地图
 m_GameMap = CCTMXTiledMap::create("map1.tmx");
 this->addChild(m_GameMap,1);
读取对象数组
bool bFlag = false;
//获取对象层
 TMXObjectGroup *group = getGameMap()->objectGroupNamed("coll");
//通过对象名获取该对象层对象
    auto player = group->getObject("monst1");
//获取改对象层数组
    auto coll = group->getObjects();
    for (int i = 0; i < coll.size(); i++)
    {
        auto& obj = coll.at(i);
        ValueMap& dict = obj.asValueMap();
    //获取name属性
        //std::string name = dict["name"].asString();
//获取x,y属性
        float x = dict["x"].asFloat();
        float y = dict["y"].asFloat();
//获取width,height属性
        float width = dict["width"].asFloat();
        float height = dict["height"].asFloat();
        Rect box = Rect(x, y, width, height);
}