//Loop waiting for player input. On a seperate thread so it can be killed when the game over state is
//reached and it doesn't hang up the game state progression at the ReadKey().
private void WaitForInput()
{
while (noWinner)
{
ConsoleKey keyPressed = Console.ReadKey(true).Key;
leftPaddle.PaddleMove(keyPressed);
rightPaddle.PaddleMove(keyPressed);
}
}