public static Vector2 GetPlayerBorder(float playerLenth)
{
float upBoardEdgePosition = PlayerProperties.CalculateBoardEdgePostion(upBorder, true);
float downBoardEdgePosition = PlayerProperties.CalculateBoardEdgePostion(downBorder, false);
return(new Vector2(upBoardEdgePosition - playerLenth / 2, downBoardEdgePosition + playerLenth / 2));
}