/// <summary>
/// This adds a projectile.
/// </summary>
/// <param name="positionX">The projectile's X position.</param>
/// <param name="positionY">The projectile's Y position.</param>
/// <param name="velocity">The projectile's velocity.</param>
/// <param name="imageProjectile">The projectile's texture.</param>
protected void AddProjectile(int positionX, int positionY,
float velocity, Texture2D imageProjectile, int damage)
{
ProjectileSprite projectile = new ProjectileSprite(game,
imageProjectile, positionX - imageProjectile.Width / 2,
positionY - imageProjectile.Height, velocity, damage);
projectile.Initialize();
projectiles.Add(projectile);
}
/// <summary>
/// This is called when the player is hit by a projectile.
/// (The player parameter could be used if in the future a multiplayer
/// level is added.)
/// </summary>
/// <param name="player">The player</param>
/// <param name="projectile">The projectile</param>
private void onPlayerHit(DrawableGameComponent player,
ProjectileSprite projectile)
{
health = health - projectile.Damage;
if (health <= 0)
{
if (GameOver != null)
{
GameOver();
}
}
}
/// <summary>
/// Adds to the score when an opponent dies.
/// </summary>
/// <param name="alien"></param>
/// <param name="projectile"></param>
private void onAlienHit(DrawableGameComponent component,
ProjectileSprite projectile)
{
if (component is AlienSprite)
{
score += (ulong)(component as AlienSprite).Point;
}
else if (component is MotherShipSprite)
{
score += (ulong)(component as MotherShipSprite).Point;
}
}
/// <summary>
/// This removes a projectile that has hit something.
/// </summary>
/// <param name="component">The component it has hit.</param>
/// <param name="projectile">The projectile.</param>
protected void projectileHit(ProjectileSprite projectile)
{
projectiles.Remove(projectile);
projectile.Dispose();
}
/// <summary>
/// This adds a projectile.
/// </summary>
/// <param name="positionX">The projectile's X position.</param>
/// <param name="positionY">The projectile's Y position.</param>
/// <param name="velocity">The projectile's velocity.</param>
/// <param name="imageProjectile">The projectile's texture.</param>
protected void AddProjectile(int positionX, int positionY,
float velocity, Texture2D imageProjectile, int damage)
{
ProjectileSprite projectile = new ProjectileSprite(game,
imageProjectile, positionX - imageProjectile.Width / 2,
positionY - imageProjectile.Height, velocity, damage);
projectile.Initialize();
projectiles.Add(projectile);
}
/// <summary>
/// This method is called when the ship gets hit by a player's projectile.
/// </summary>
/// <param name="ship">The ship that was hit.</param>
/// <param name="projectile">The projectile that hit.</param>
private void onShipHit(DrawableGameComponent ship, ProjectileSprite projectile)
{
(ship as MotherShipSprite).Alive = false;
}
/// <summary>
/// This removes a projectile that has hit something.
/// </summary>
/// <param name="component">The component it has hit.</param>
/// <param name="projectile">The projectile.</param>
protected void projectileHit(ProjectileSprite projectile)
{
projectiles.Remove(projectile);
projectile.Dispose();
}
/// <summary>
/// This method kills an alien that was hit.
/// </summary>
/// <param name="alien">The alien that was hit.</param>
/// <param name="projectile">The projectile that hit the alien.</param>
private void onAlienHit(DrawableGameComponent alien,
ProjectileSprite projectile)
{
(alien as AlienSprite).Alive = false;
incrementAlienSpeed();
}
/// <summary>
/// launches a laser
/// </summary>
/// <param name="player">collision rectangle of the player</param>
/// <param name="game1">The game</param>
public override void Launch(Rectangle player, GameTime game1)
{
Vector2 start = new Vector2((player.X) +(player.Width /2), (player.Y) - 2);
ProjectileSprite bullet = new ProjectileSprite(game, start, imageBullet, velocity, score);
bullet.Initialize();
bullets.Add(bullet);
game.Components.Add(bullet);
}
/// <summary>
/// This method is called when the ship gets hit by a player's projectile.
/// </summary>
/// <param name="ship">The ship that was hit.</param>
/// <param name="projectile">The projectile that hit.</param>
private void onShipHit(DrawableGameComponent ship, ProjectileSprite projectile)
{
(ship as MotherShipSprite).Alive = false;
}
/// <summary>
/// This is called when the player is hit by a projectile.
/// (The player parameter could be used if in the future a multiplayer
/// level is added.)
/// </summary>
/// <param name="player">The player</param>
/// <param name="projectile">The projectile</param>
private void onPlayerHit(DrawableGameComponent player,
ProjectileSprite projectile)
{
health = health - projectile.Damage;
if (health <= 0)
if (GameOver != null)
{
GameOver();
}
}
/// <summary>
/// Adds to the score when an opponent dies.
/// </summary>
/// <param name="alien"></param>
/// <param name="projectile"></param>
private void onAlienHit(DrawableGameComponent component,
ProjectileSprite projectile)
{
if (component is AlienSprite)
score += (ulong)(component as AlienSprite).Point;
else if (component is MotherShipSprite)
score += (ulong) (component as MotherShipSprite).Point;
}
/// <summary>
/// launches a laser
/// </summary>
/// <param name="player">collision rectangle of the alien</param>
/// <param name="game1">The game</param>
public override void Launch(Rectangle alien, GameTime game1)
{
Vector2 start = new Vector2((alien.X), (alien.Y));
ProjectileSprite bullet = new ProjectileSprite(game, start, imageBullet, velocity, score);
bullet.Initialize();
bullets.Add(bullet);
game.Components.Add(bullet);
}
/// <summary>
/// This method kills an alien that was hit.
/// </summary>
/// <param name="alien">The alien that was hit.</param>
/// <param name="projectile">The projectile that hit the alien.</param>
private void onAlienHit(DrawableGameComponent alien,
ProjectileSprite projectile)
{
(alien as AlienSprite).Alive = false;
incrementAlienSpeed();
}
