public static void AddHUDRender(HUDBaseRender render)
 {
     if (render is HUDBloodRender)
     {
         m_staticRenderList.Add(render);
     }
 }
 public static void DepthSort(ref List <HUDBaseRender> list)
 {
     for (int i = 0; i < list.Count - 1; i++)
     {
         for (int j = 0; j < list.Count - 1 - i; j++)
         {
             if (list[j].depth < list[j + 1].depth)
             {
                 HUDBaseRender temp = list[j];
                 list[j]     = list[j + 1];
                 list[j + 1] = temp;
             }
         }
     }
 }