public UFO(Game game, UFOModel ufoModel, Vector2 position, int strength) : base(game) { this.ufoModel = ufoModel; SetXY((int)position.X, (int)position.Y); this.strength = strength; timeSinceLastShot = TimeSpan.FromMilliseconds(1000 + RandomManager.Instance.Next(500)); int factor = 30; switch (InvasionGame.Scoreboard.DifficultyLevel) { case DifficultyLevel.Easy: factor = 50; break; case DifficultyLevel.Medium: factor = 35; break; case DifficultyLevel.Hard: factor = 30; break; } switch (ufoModel) { case UFOModel.SilverUFO: msDelayShoot = 100*factor; break; case UFOModel.OrangeUFO: msDelayShoot = 10*factor; break; case UFOModel.RedUFO: msDelayShoot = 70*factor; break; } extraType = SelectExtra(); }