private void OnPlayerMoved(PongPlayer player, PlayerPositionMessage position)
        {
            var otherPlayer = OtherPlayer(player);

            if (otherPlayer != null)
            {
                // send new player position to the other player
                otherPlayer.SendMessage(new PlayerPositionMessage {
                    YPos = player.YPos
                });
            }
        }
        private void OnPlayerMoved(PongPlayer player, PlayerPositionMessage position)
        {
            var otherPlayer = OtherPlayer(player);

            if (otherPlayer != null)
            {
                // send new player position to the other player
                otherPlayer.SendMessage(new PlayerPositionMessage { YPos = player.YPos });
            }
        }