public void ChangeTarget(PhysEntity selected)
 {
     isOn = true;
     if (follow != null)
     {
         follow.UpdateEvent -= follow_updateEvent;
         follow.RadialMenuFollowingOnOff(false);
     }
     follow              = selected;
     follow.UpdateEvent += follow_updateEvent;
     follow.RadialMenuFollowingOnOff(true);
     isFollowing = true;
 }
 public void Off()
 {
     isFollowing = false;
     isOn        = false;
     follow.RadialMenuFollowingOnOff(false);
 }