protected override void Update(GameTime gameTime)
{
if (Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (end)
{
return;
}
if (Keyboard.GetState().IsKeyDown(Keys.Enter) && prevKeyboardState.IsKeyUp(Keys.Enter) && level < 2)
{
currentLevel = levels[++level];
}
if (Keyboard.GetState().IsKeyDown(Keys.R) && prevKeyboardState.IsKeyUp(Keys.R))
{
ball.Position = bar.Position + Vector2.UnitY * bar.Size.Y;
ball.Velocity = Vector2.Zero;
}
prevKeyboardState = Keyboard.GetState();
if (Mouse.GetState().LeftButton == ButtonState.Pressed && ball.Velocity == Vector2.Zero)
{
ball.Velocity = Vector2.Normalize(Vector2.UnitY) * speed;
}
float move = Mouse.GetState().X - center.X;
bar.Position += Vector2.UnitX * move * 0.1f;
Mouse.SetPosition(center.X, center.Y);
if (bar.Position.X + bar.Size.X / 2.0f > currentLevel.Width / 2.0f)
{
bar.Position = new Vector2(currentLevel.Width / 2.0f - bar.Size.X / 2.0f, bar.Position.Y);
}
else if (bar.Position.X - bar.Size.X / 2.0f < -currentLevel.Width / 2.0f)
{
bar.Position = new Vector2(-currentLevel.Width / 2.0f + bar.Size.X / 2.0f, bar.Position.Y);
}
if (ball.Position.Y < -2.0f)
{
lives--;
ball.Velocity = Vector2.Zero;
life.Play();
currentLevel.ClearLastCollision();
}
if (ball.Velocity == Vector2.Zero && lives > 0)
{
ball.Position = bar.Position + Vector2.UnitY * bar.Size.Y;
}
else if (ball.Velocity.Y < 0.0f && ball.BoundingSphere.Intersects(bar.BoundingBox))
{
currentLevel.ClearLastCollision();
bounce.Play();
float f = (bar.Position.X - ball.Position.X) / (bar.Size.X / 2.0f);
Vector2 normal = Vector2.Transform(Vector2.UnitY, Matrix.CreateRotationZ(f * MathHelper.PiOver4));
ball.Velocity = Vector2.Reflect(ball.Velocity, normal);
if (Math.Abs(ball.Velocity.X) > Math.Abs(ball.Velocity.Y))
{
ball.Velocity = Vector2.Normalize((ball.Velocity.X > 0.0f) ? Vector2.One : new Vector2(-1.0f, 1.0f)) * speed;
}
}
currentLevel.Update(gameTime);
base.Update(gameTime);
if (currentLevel.CheckCollision(ball))
{
score++;
}
if (currentLevel.IsDone())
{
level++;
if (level < levels.Length)
{
currentLevel = levels[level];
bar.Position = Vector2.Zero;
ball.Position = Vector2.UnitY;
ball.Velocity = Vector2.Zero;
}
}
if (lives == 0 || level == 3)
{
end = true;
level = 2;
}
}
