/// <summary>
/// Called when an Alien is able to launch a bomb. Sets the position of the bomb according to the
/// alien's position then adds it to the list of Projectiles.
/// </summary>
/// <param name="alien">The Alien that will launch the bomb.</param>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
public override void Launch(Rectangle alien, GameTime gameTime)
{
int xCoordinate = alien.X + (alien.Width / 2);
int yCoordinate = alien.Bottom + 1;
ProjectileSprite projectile = new ProjectileSprite(game, bombImage, false, 6F);
projectile.Initialize();
projectile.SetPosition(xCoordinate, yCoordinate);
bullets.Add(projectile);
}
/// <summary>
/// Called when a Player is able to launch a laser. Sets the position of the laser according to the
/// Players's position then adds it to the list of Projectiles. Controls how rapidly a player
/// can fire a laser through throttling.
/// </summary>
/// <param name="player">The border of the player object</param>
/// <param name="gameTime">Provides a snapshot of timing values</param>
public override void Launch(Rectangle player, GameTime gameTime)
{
int yCoordinate = player.Top - 1 - imageLaser.Height;
int xCoordinate = player.X + (player.Width / 2 - 1);
if (gameTime.TotalGameTime - previousLaunchTime > tolerance)
{
projectile = new ProjectileSprite(game, imageLaser, true, 8F);
projectile.Initialize();
projectile.SetPosition(xCoordinate, yCoordinate);
bullets.Add(projectile);
previousLaunchTime = gameTime.TotalGameTime;
laserSound.Play();
}
}
