tiledmap文件tmx中的ellipse属性如何验证？

Cocos2d-x
#1 
 
  
  
  
  
  
  
   
  
 


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这一段代码里面的

  
   
  


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请问如何在cocos2dx中验证这个object是不是椭圆啊。我贴出我自己的代码：


    ValueVector _roadMapObjs = groundObj->getObjects();
    
    CCASSERT(!_roadMapObjs.empty(), "object is empty");
    
    for(auto &_item : _roadMapObjs){
        
        ValueMap item = _item.asValueMap();
        
        auto _roadMapObjX = item"x"].asFloat();
        auto _roadMapObjY = item"y"].asFloat();
        auto _roadMapObjWidth = item"width"].asFloat();
        auto _roadMapObjHeight = item"height"].asFloat();

    }


```