while(true)

WriteOnPositionPlayer(playerPositionX, playerPositionY, '#', ConsoleColor.Red);
                if (Console.KeyAvailable)
                {
                    ConsoleKeyInfo key = Console.ReadKey();
                    ChangeDirection(key);
                }
static void ChangeDirection(ConsoleKeyInfo key)
        {

            if (key.Key == ConsoleKey.RightArrow)
                if (playerPositionX <= 5)
                {
                    Console.SetCursorPosition(playerPositionX,playerPositionY);
                    Console.Write(" ");
                    playerPositionX++;
                }
            else if (key.Key == ConsoleKey.LeftArrow)
                if (playerPositionX > 0)
                {
                    Console.SetCursorPosition(playerPositionX ,playerPositionY);
                    Console.Write(" ");
                    playerPositionX--;
                }