private void GeneratePieces(Vector2 pieceLocation, Vector2 momentum, int piecesToGenerate)
{
for (int i = 0; i < piecesToGenerate; i++)
{
Sprite s = _tileSheet.SpriteAnimation();
Particle p = new Particle(s, Vector2.Zero, ExplosionMaxSpeed, DurationCount, InitialColor, FinalColor);
p.Location = pieceLocation;
p.Velocity = RandomDirection(PieceSpeed) + momentum;
_particles.Add(p);
}
}
private void SpawnEnemy(EnemyPath path)
{
Enemy e = new Enemy(_tileSheet.SpriteAnimation(), path[0]);
e.AddPath(path);
_enemies.Add(e);
e.ShotFired += EnemyShotFired;
e.OnDestroy += HandleOnEnemyDestroy;
}
public void CreateShot(ShotFiredEventArgs args)
{
Sprite s = _tileSheet.SpriteAnimation();
Shot shot = new Shot(s, args.FiredBy, args.Damage);
shot.Location = args.Location;
shot.Velocity = args.Velocity * args.ShotSpeed;
shot.OnDestroy += HandleOnShotDestroy;
_shots.Add(shot);
}
private void GenerateStars(int starCount, Vector2 starVelocity)
{
for (int i = 0; i < starCount; i++)
{
Vector2 loc = new Vector2(_rand.Next(0, _screenBounds.Width), _rand.Next(0, _screenBounds.Height));
Star star = new Star(_tileSheet.SpriteAnimation());
star.Velocity = starVelocity * (_rand.Next(30, 100) / 100.0f);
star.Location = loc;
_stars.Add(star);
}
}
public void AddAsteroid()
{
Vector2 initPosition = new Vector2(-500, -500); // hack to force the asteroid to reposition itself when Update() is called
Sprite asteroidSprite = _tileSheet.SpriteAnimation();
asteroidSprite.Location = initPosition;
asteroidSprite.Rotation = MathHelper.ToRadians(_rand.Next(0, 360));
Asteroid a = new Asteroid(asteroidSprite);
a.OnDestroy += HandleOnAsteroidDestroy;
_asteroids.Add(a);
}
