public void Update(GameTime gameTime)
{
float elapsed = (float)gameTime.ElapsedGameTime.TotalSeconds;
Players.ForEach(p => p.Update(gameTime, elapsed));
Projectiles.ForEach(p => p.Update(gameTime, elapsed));
Projectiles.RemoveAll(p => p.IsDisposed);
// Enemies
if (BonusEnemy != null)
{
BonusEnemy.Update(gameTime, elapsed);
if (BonusEnemy.IsDisposed)
{
BonusEnemy = null;
}
}
Enemies.ForEach(e => e.Update(gameTime, elapsed));
Enemies.RemoveAll(e => e.IsDisposed);
if (Enemies.Any(e => e.ReachedEndOfScreen))
{
Enemies.ForEach(e => e.TurnAround());
}
// Bonus
if (!BonusAppearedThisRound && ShotCnt >= ShotsForBonus)
{
BonusAppearedThisRound = true;
BonusEnemy = new BonusEnemy();
}
// Next level check/handling
if (Enemies.Count == 0 && BonusEnemy == null)
{
NextLevel(LevelNr);
}
// Gameover check/handling
if (!Players.Any(p => p.IsAlive) || Enemies.Any(e => e.CollisionRect.Bottom >= DEAD_LINE))
{
GameOver();
}
// Music
if (InputMgr.Instance.IsPressed(null, Keys.M, Buttons.RightShoulder))
{
Engine.Instance.Audio.PlayMusic("music", true);
}
}
/// <summary>
/// Proceeds to game to the next level
/// </summary>
/// <param name="currentLvlNr"></param>
public void NextLevel(int currentLvlNr)
{
LevelNr = currentLvlNr + 1;
#region Clear
Enemies.Clear();
Projectiles.Clear();
BonusEnemy = null;
#endregion
#region Bonus
ShotsForBonus = Maths.RandomNr(15, 23); // Sets the amount of shots needed before the bonus appears
BonusAppearedThisRound = false;
ShotCnt = 0;
#endregion
// Heal the Walls
Walls.ForEach(w => w.Heal());
// Set random background
BG = Common.str2Tex("BG/invaderBG0" + Maths.RandomNr(1, 3));
#region Load the enemies
for (int x = 0; x < 11; x++)
{
Enemies.Add(new Enemy(LevelNr, new Vector2(100 + x * (Enemy.WIDTH + ENEMY_SPACING_X), ENEMY_OFFSET_TOP), eEnemyType.Top));
}
for (int x = 0; x < 11; x++)
{
for (int y = 1; y < 3; y++)
{
Enemies.Add(new Enemy(LevelNr, new Vector2(100 + x * (Enemy.WIDTH + ENEMY_SPACING_X), ENEMY_OFFSET_TOP + y * (ENEMY_SPACING_Y + Enemy.HEIGHT)), eEnemyType.Mid));
}
}
for (int x = 0; x < 11; x++)
{
for (int y = 3; y < 5; y++)
{
Enemies.Add(new Enemy(LevelNr, new Vector2(100 + x * (Enemy.WIDTH + ENEMY_SPACING_X), ENEMY_OFFSET_TOP + y * (ENEMY_SPACING_Y + Enemy.HEIGHT)), eEnemyType.Bottom));
}
}
#endregion
// Clean up
GC.Collect();
}