public void DelChildObject3d(BaseObject3d base3DObject)
 {
     if (base3dDict.ContainsKey(base3DObject.gameObject))
     {
         base3dDict.Remove(base3DObject.gameObject);
     }
 }
 public void AddChildObject3d(BaseObject3d base3DObject)
 {
     if (!base3dDict.ContainsKey(base3DObject.gameObject))
     {
         base3dDict[base3DObject.gameObject] = base3DObject;
     }
 }