public void StartGame()
    {
        _currentLevel = startingLevel;
        if (_currentLevel > settings.Length)
        {
            _currentLevel = 1;
        }
        levelUIText.SetText(string.Format("LV {0}", _currentLevel));

        SetGameState(GameState.GameScreen);
        _asteroidManager.SetSettings(settings[_currentLevel - 1]);
    }