/// <summary>
 /// Positions a sprite relatively to the center-left of its parent.
 /// Values are pixels to move away from the parent.
 /// </summary>
 /// <param name="sprite"></param>
 /// <param name="pixelsFromTop">Pixels from top - positive values places the sprite closer to the bottom</param>
 /// <param name="pixelsFromLeft">Pixels from left - positive values places the sprite closer to the right</param>
 public static void pixelsFromLeft(this IPositionable sprite, int pixelsFromTop, int pixelsFromLeft)
 {
     sprite.pixelsFromLeft(pixelsFromTop, pixelsFromLeft, UIyAnchor.Center, UIxAnchor.Left);
 }