/// <summary>
/// Starts a new game session, setting all game states to initial values.
/// </summary>
public virtual void Start()
{
Ball b = ballManager.CreateDefaultBall(new Vector2(240, 400), new Vector2(200, 200));
bottomPaddle.Texture = defaultBottomPaddleTexture;
bottomPaddle.Position = new Vector2(((screenRightBound - screenLeftBound) / 2) - bottomPaddle.Width / 2, screenBottomBound - (bottomPaddle.Height + paddleTouchBufferSize));
bottomPaddle.UpdateShape();
topPaddle.Texture = defaultTopPaddleTexture;
topPaddle.Position = new Vector2(((screenRightBound - screenLeftBound) / 2) - topPaddle.Width / 2, 0);
topPaddle.UpdateShape();
DefaultWall w1 = new DefaultWall();
DefaultWall w2 = new DefaultWall();
w1.shape = new PongClasses.PongShapes.Rectangle(
new PongClasses.PongShapes.Coordinate(screenLeftBound, screenTopBound), 1, screenBottomBound - screenTopBound, Math.PI);
w2.shape = new PongClasses.PongShapes.Rectangle(
new PongClasses.PongShapes.Coordinate(screenRightBound, screenTopBound), 1, screenBottomBound - screenTopBound, 0);
CollisionManager.AddObject("Wall", w1);
CollisionManager.AddObject("Wall", w2);
CollisionManager.AddObject("Paddle", bottomPaddle);
CollisionManager.AddObject("Paddle", topPaddle);
RegisterCallbackFunctions();
}
public void Update(float elapsed)
{
if (!IsActive)
{
if (IsTracked)
{
CollisionManager.RemoveObject("Ball", this);
IsTracked = false;
}
return;
}
if (!IsTracked)
{
CollisionManager.AddObject("Ball", this);
IsTracked = true;
}
Rotation += Spin * elapsed;
//Adjust Velocity to match the MaxSpeed magnitude
Velocity *= (MaxSpeed * Settings.BallSpeedMultiplier / Velocity.Length());
Position += Velocity * elapsed;
UpdateShape();
}
/// <summary>
/// Update all active bubbles and powerups
/// </summary>
/// <param name="elapsed">The amount of time elapsed since last Update.</param>
public void Update(float elapsed)
{
foreach (Powerup p in activePowerups)
{
p.LifeTime -= elapsed;
if (p.LifeTime <= 0.0f)
{
p.Deactivate(); //Hopefully this won't screw things up with multiple powerups running
break; //It did, so for now we just fix one at a time
}
}
int numActive = 0;
foreach (PowerupBubble b in bubbles)
{
if (b.IsActive)
{
b.Update(elapsed, random);
if (!b.IsActive)
{
if (b.IsTracked)
{
CollisionManager.RemoveObject("Bubble", b);
b.IsTracked = false;
}
continue;
}
if (!b.IsTracked)
{
CollisionManager.AddObject("Bubble", b);
b.IsTracked = true;
}
++numActive;
if (b.Position.X < screen.screenLeftBound)
{
b.Position.X = screen.screenLeftBound;
b.Velocity.X *= -1;
}
else if (b.Position.Y + b.Diameter > screen.screenRightBound)
{
b.Position.X = screen.screenRightBound - b.Diameter;
b.Velocity.X *= -1;
}
//TODO: handle hitting top and bottom
}
}
if (0 == numActive)
{
CreatePowerupFastball();
}
}