/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
// TODO: Add your update logic here
var touchState = Keyboard.GetState();
var bounds = GraphicsDevice.Viewport.Bounds;
if (touchState.IsKeyDown(Keys.Left))
{
PaddleBottom.X = PaddleBottom.X - (float)(PaddleBottom.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
PaddleBottom.X = MathHelper.Clamp(PaddleBottom.X, bounds.Left, bounds.Right - PaddleBottom.Width);
}
if (touchState.IsKeyDown(Keys.Right))
{
PaddleBottom.X = PaddleBottom.X + (float)(PaddleBottom.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
PaddleBottom.X = MathHelper.Clamp(PaddleBottom.X, bounds.Left, bounds.Right - PaddleBottom.Width);
}
if (touchState.IsKeyDown(Keys.A))
{
PaddleTop.X = PaddleTop.X - (float)(PaddleTop.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
PaddleTop.X = MathHelper.Clamp(PaddleTop.X, bounds.Left, bounds.Right - PaddleTop.Width);
}
if (touchState.IsKeyDown(Keys.D))
{
PaddleTop.X = PaddleTop.X + (float)(PaddleTop.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
PaddleTop.X = MathHelper.Clamp(PaddleTop.X, bounds.Left, bounds.Right - PaddleTop.Width);
}
var ballPositionChange = ball.Direction * (float)(gameTime.ElapsedGameTime.TotalMilliseconds * ball.Speed);
ball.X += ballPositionChange.X;
ball.Y += ballPositionChange.Y;
// Ball - side walls
if (Walls.Any(w => CollisionDetector.Overlaps(ball, w)))
{
ball.BounceX();
ball.Acceleration();
}
// Ball - winning walls
if (Goals.Any(w => CollisionDetector.Overlaps(ball, w)))
{
ball.X = 225;
ball.Y = 460;
ball.Speed = GameConstants.DefaultInitialBallSpeed;
HitSound.Play();
}
// Paddle - ball collision
if (CollisionDetector.Overlaps(ball, PaddleTop) && ball.Direction.Y < 0 ||
(CollisionDetector.Overlaps(ball, PaddleBottom) && ball.Direction.Y > 0))
{
ball.BounceY();
ball.Acceleration();
}
base.Update(gameTime);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
var touchState = Keyboard.GetState();
if (touchState.IsKeyDown(Keys.Left))
{
PaddleBottom.X = PaddleBottom.X - (float)(PaddleBottom.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
}
if (touchState.IsKeyDown(Keys.Right))
{
PaddleBottom.X = PaddleBottom.X + (float)(PaddleBottom.Speed * gameTime.ElapsedGameTime.TotalMilliseconds);
}
if (touchState.IsKeyDown(Keys.A))
{
PaddleTop.X = PaddleTop.X - (float)(PaddleTop.Speed *
gameTime.ElapsedGameTime.TotalMilliseconds);
}
if (touchState.IsKeyDown(Keys.D))
{
PaddleTop.X = PaddleTop.X + (float)(PaddleTop.Speed *
gameTime.ElapsedGameTime.TotalMilliseconds);
}
PaddleBottom.X = MathHelper.Clamp(PaddleBottom.X, 0, graphics.PreferredBackBufferWidth - PaddleBottom.Width);
var ballPositionChange = Ball.Direction * (float)(gameTime.ElapsedGameTime.TotalMilliseconds * Ball.Speed);
Ball.X += ballPositionChange.X;
Ball.Y += ballPositionChange.Y;
// Ball - side walls
if (Walls.Any(w => CollisionDetector.Overlaps(Ball, w)))
{
Ball.Direction = new Vector2(-Ball.Direction.X, Ball.Direction.Y);
Ball.Speed = Ball.Speed * Ball.BumpSpeedIncreaseFactor;
}
// Ball - winning walls
if (Goals.Any(w => CollisionDetector.Overlaps(Ball, w)))
{
Ball.X = GraphicsDevice.Viewport.Bounds.Center.X;
Ball.Y = GraphicsDevice.Viewport.Bounds.Center.Y;
Ball.Speed = GameConstants.DefaultInitialBallSpeed;
HitSound.Play();
}
// Paddle - ball collision
if (CollisionDetector.Overlaps(Ball, PaddleTop) && Ball.Direction.Y < 0 ||
(CollisionDetector.Overlaps(Ball, PaddleBottom) && Ball.Direction.Y > 0))
{
Ball.Direction = new Vector2(Ball.Direction.X, -Ball.Direction.Y);
Ball.Speed *= Ball.BumpSpeedIncreaseFactor;
}
base.Update(gameTime);
}
/// <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()
{
// TODO: Add your initialization logic here
random = new Random();
textureGen = new TextureGenerator(GraphicsDevice);
snake = new Snake(textureGen, 1, 1);
walls = new Walls(textureGen, 1, 1);
food = new Food(random, textureGen, 2, 2);
food.createFood();
foodToEat = 1;
walls.addWalls("North", Color.Brown, 0, 0, 100, 0);
walls.addWalls("South", Color.Green, 0, 0, 0, 100);
walls.addWalls("West", Color.Pink, 0, 59, 100, 59);
walls.addWalls("East", Color.Orange, 99, 0, 99, 60);
base.Initialize();
}
