void OnGUI()
 {
     if (isSelectingObjects && GameParams.GamePlayState == GamePlayState.Play)
     {
         border.DrawBorderTexture(GetRectangle(firstPoint, Input.mousePosition), new Color(255, 184, 65), GameConstants.BorderThickness);
     }
     if (selectionList != null && selectionList.Count == 1)
     {
         Unit unit = selectionList[0] as Unit;
         if (unit == null || unit.PathImage == null)
         {
             return;
         }
         GUI.DrawTexture(new Rect(Screen.width - 200, Screen.height - 200, 200, 200), unit.PathImage.GetImage());
     }
 }