private void Start()
{
DragHandler dragHandler = DragHandler.singleton;
dragHandler.onSelectedObject.AddListener(SetTarget);
dragHandler.onUnselectedObject.AddListener(TargetUnselected);
dragHandler.onDragStarted.AddListener(Disactivate);
dragHandler.onDragEnded.AddListener(Activate);
Disactivate();
follower = GetComponent <PositionFollower>();
}