/// <summary>
/// Handles colitions with the ball, causes the ball to start strobing
/// </summary>
/// <param name="ball">the game ball</param>
public void Collide(Ball ball)
{
if (Active)
{
ball.StrobeStart();
Active = false;
Timer += TimerDown;
StrobeSound.Play();
}
}
/// <summary>
/// This aglorithm determines where the computer player should move the paddle.
/// It predicts the next position of the ball, but intentionally does not detect when the ball bounces
/// off of the walls of the level, additionally it doesn't adequately detect large amounts of spin
/// </summary>
/// <param name="ball">The ball in the game</param>
/// <param name="paddle">the paddle to be moved</param>
/// <returns>the control value for the paddle</returns>
public float Move(Ball ball, Paddle paddle)
{
float ballY = ball.Position.Y + ball.Direction.Y * ball.CurrentSpeed;
if (ball.Position.Y + ball.Height / 2 < paddle.Position.Y + paddle.Height / 2 - ball.Height / 2)
{
return maxSpin;
}
else if (ball.Position.Y + ball.Height / 2 > paddle.Position.Y + paddle.Height / 2 + ball.Height / 2)
{
return - maxSpin;
}
return 0f;
}
/// <summary>
/// Handles the collision with the ball. it chooses a random angle in the same direction the ball was previously going
/// and increase th eballs speed
/// </summary>
/// <param name="ball"></param>
/// <param name="rand"></param>
public void Collide(Ball ball, Random rand)
{
if (Active)
{
float direction = rand.Next(2) * 2 - 1; ;
if (ball.Direction.X > 0)
{
direction = 1.0f;
}
else
{
direction = -1.0f;
}
Vector2 ballDirection = new Vector2(direction, (float)(rand.NextDouble() * 1.5 - 1));
ball.Boost(ballDirection, boostSpeed);
Active = false;
Timer += TimerDown;
SpeedSound.Play();
}
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// Initialize paddles
paddle1 = new Paddle();
paddle2 = new Paddle();
// Initialize ball
ball = new Ball();
// Initialize the computer
computer = new Computer();
// Initialize the powerUps
speedPower = new SpeedPower();
strobePower = new StrobePower();
Rand = new Random();
base.Initialize();
}
