public bool RemoveIndicator(OutScreenIndicator indicator, bool destroy)
 {
     if (destroy)
     {
         Object.Destroy(indicator.gameObject);
     }
     return(_indicators.Remove(indicator));
 }
 public void AddIndicator(OutScreenIndicator indicator)
 {
     _indicators.Add(indicator);
     indicator.transform.SetParent(this.transform, false);
     indicator.wall = this.GetComponent <PolygonCollider2D>();
 }