protected override void EnhancedStart ()
	{
		base.EnhancedStart ();
		spriteRenderer = GetComponent<SpriteRenderer>();

		if(spriteRenderer) {
			Rect rect = spriteRenderer.BoundsToScreenRect(MyCamera);
			widthRel = rect.width  / MyCamera.pixelWidth / 2f; //relative width
			heightRel = rect.height / MyCamera.pixelHeight / 2f; //relative height
		}
	}