public void playGame()
{
timer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
timer.Enabled = true;
board.drawBoard();
Console.CursorVisible = false;
ConsoleKey action = ConsoleKey.UpArrow;
// snake.draw();
while (action == ConsoleKey.UpArrow || action == ConsoleKey.DownArrow || action == ConsoleKey.LeftArrow || action == ConsoleKey.RightArrow)
{
action = Console.ReadKey().Key;
snake.changeDirection(action);
}
}