void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                switch (_currentLevel)
                {
                case LevelSelector.Easy:
                    Debug.Log("Selected Level: " + _currentLevel.ToString());
                    break;

                case LevelSelector.Normal:
                    Debug.Log("Selected Level: " + _currentLevel.ToString());
                    break;

                case LevelSelector.Hard:
                    Debug.Log("Selected Level: " + _currentLevel.ToString());
                    break;

                case LevelSelector.Expert:
                    Debug.Log("Selected Level: " + _currentLevel.ToString());
                    break;

                default:
                    Debug.LogError("Selected Level: Invalid");
                    break;
                }
            }
        }