public void Update(Vector3 direction, CollisionEngine collisionEngine,
SoundEngine soundEngine, ParticleEngine particleEngine,List<Asteroid> asteroids,
List<Powerup> powerups, MouseState originalMouseState, GameTime gameTime,
GraphicsDevice device)
{
if (this.Shrink != null)
{
if (this.Shrink.Activated)
{
this.Shrink.Update(gameTime);
if (this.Shrink.Timer <= 0)
{
this.Shrink = null;
this.BoundingSphere = new BoundingSphere(
this.Position, this.BoundingSphere.Radius / 0.25f);
soundEngine.Grow.Play();
}
else
{
this.BoundingSphere = new BoundingSphere(
this.Position, this.BoundingSphere.Radius * 0.25f);
}
}
}
CheckCollisions(collisionEngine, soundEngine, powerups, asteroids);
if (this.Destroyed)
{
if (this.Lives == 0)
return;
else
{
particleEngine.AddParticle(gameTime, this.Position);
UpdatePosition(new Vector3(0, 0, 0));
this.Destroyed = false;
this.Speed = 0f;
this.Velocity = Vector3.Zero;
this.Rotation = Quaternion.Identity;
}
}
ProcessKeyboard(direction, gameTime, soundEngine);
ProcessMouse(originalMouseState, gameTime, device);
}
private void CheckCollisions(CollisionEngine collisionEngine, SoundEngine soundEngine,
ParticleEngine particleEngine, GameTime gameTime, List<Asteroid> asteroids)
{
// Destroy the torpedo if it hits the edge of the universe
if (collisionEngine.CollidesWithEdge(this.Position, this.BoundingSphere))
{
if (soundEngine.Explosion.State != SoundState.Playing)
soundEngine.Explosion.Play();
this.Destroyed = true;
particleEngine.AddParticle(gameTime, this.Position);
}
// Destroy the torpedo if it hits an asteroid
foreach (Asteroid asteroid in asteroids)
{
if (collisionEngine.CollideTwoObjects(this.BoundingSphere, asteroid.BoundingSphere))
{
particleEngine.AddParticle(gameTime, this.Position);
this.Destroyed = true;
break;
}
}
}
