public override void OnMouseDown(GameMouseButtonEventArgs e)
 {
     _stamps.Insert(_stamps.Count - 1, new Stamp
     {
         Position = MouseStamp.Position,
         Effect = MouseStamp.Effect,
         CuttingEffectPercent = MouseStamp.CuttingEffectPercent
     });
 }
 public virtual void OnMouseDown(GameMouseButtonEventArgs e)
 {
 }