protected override void Update(GameTime gameTime)
{
if (input.GamePadState.Buttons.Back == ButtonState.Pressed || input.KeyboardState.IsKeyDown(Keys.Escape))
{
Exit();
}
// start management
if (input.KeyboardState.IsKeyDown(Keys.Enter))
{
if (gameState == GameState.Start)
{
gameState = GameState.Serve;
}
else if (gameState == GameState.Serve)
{
gameState = GameState.Play;
}
else if (gameState == GameState.Done)
{
gameState = GameState.Serve;
ball.Reset();
player1Score = 0;
player2Score = 0;
if (winningPlayer == 1)
{
servingPlayer = 2;
}
else
{
servingPlayer = 1;
}
}
}
if (gameState == GameState.Serve)
{
ball.dy = random.Next(-50, 50);
if (servingPlayer == 1)
{
ball.dx = random.Next(140, 200);
}
else
{
ball.dx = -random.Next(140, 200);
}
}
else if (gameState == GameState.Play)
{
if (ball.Collides(player1))
{
ball.dx = -ball.dx * 1.03f;
ball.x = player1.x + player1.transform.Width;
paddleHitSound.Play();
if (ball.dy < 0)
{
ball.dy = -random.Next(10, 150);
}
else
{
ball.dy = random.Next(10, 150);
}
}
if (ball.Collides(player2))
{
ball.dx = -ball.dx * 1.03f;
ball.x = player2.x - ball.transform.Width;
paddleHitSound.Play();
if (ball.dy < 0)
{
ball.dy = -random.Next(10, 150);
}
else
{
ball.dy = random.Next(10, 150);
}
}
if (ball.y < 0)
{
ball.y = 0;
ball.dy = -ball.dy;
wallHitSound.Play();
}
if (ball.y > VIRTUAL_HEIGHT - ball.transform.Height)
{
ball.y = VIRTUAL_HEIGHT - ball.transform.Height;
ball.dy = -ball.dy;
wallHitSound.Play();
}
if (ball.x < 0)
{
servingPlayer = 1;
player2Score++;
scoreSound.Play();
if (player2Score == 10)
{
winningPlayer = 2;
gameState = GameState.Done;
}
else
{
ball.Reset();
gameState = GameState.Serve;
}
}
if (ball.x > VIRTUAL_WIDTH)
{
servingPlayer = 2;
player1Score++;
scoreSound.Play();
if (player1Score == 10)
{
winningPlayer = 1;
gameState = GameState.Done;
}
else
{
ball.Reset();
gameState = GameState.Serve;
}
}
}
if (input.KeyboardState.IsKeyDown(Keys.W))
{
player1.dy = -PADDLE_SPEED;
}
else if (input.KeyboardState.IsKeyDown(Keys.S))
{
player1.dy = PADDLE_SPEED;
}
else
{
player1.dy = 0;
}
if (input.KeyboardState.IsKeyDown(Keys.Up))
{
player2.dy = -PADDLE_SPEED;
}
else if (input.KeyboardState.IsKeyDown(Keys.Down))
{
player2.dy = PADDLE_SPEED;
}
else
{
player2.dy = 0;
}
float delta = (float)gameTime.ElapsedGameTime.TotalSeconds;
if (gameState == GameState.Play)
{
ball.Update(delta);
}
player1.Update(delta);
player2.Update(delta);
base.Update(gameTime);
}