// Update is called once per frame
 void onUpdate()
 {
     if (towerBind != null)
     {
         for (int i = 0; i < 5; i++)
         {
             Follower f = followersPanel.GetChild(i).GetComponent <Follower>();
             if (towerBind.Followers.Count > i)
             {
                 if (!f.gameObject.activeSelf)
                 {
                     f.gameObject.SetActive(true);
                 }
                 f.BindNPC(towerBind.Followers[i], towerBind);
             }
             else
             {
                 f.gameObject.SetActive(false);
             }
         }
     }
 }