public void MusicButton()
 {
     if (GamePreferencesScript.GetMusicState() == 0)
     {
         GamePreferencesScript.SetMusicState(1);
         MusicControllerScript.instance.PlayMusic(true);
         musicButton.image.sprite = musicIcons[1];
     }
     else if (GamePreferencesScript.GetMusicState() == 1)
     {
         GamePreferencesScript.SetMusicState(0);
         MusicControllerScript.instance.PlayMusic(false);
         musicButton.image.sprite = musicIcons[0];
     }
 }//MusicButton
    void InitializeVariables()
    {
        //If we don't have any preferences
        if (!PlayerPrefs.HasKey("Game Initialized"))
        {
            GamePreferencesScript.SetEasyDifficultyState(0);
            GamePreferencesScript.SetEasyDifficultyHighScore(0);
            GamePreferencesScript.SetEasyDifficultyCoinScore(0);

            GamePreferencesScript.SetMediumDifficultyState(1);
            GamePreferencesScript.SetMediumDifficultyHighScore(0);
            GamePreferencesScript.SetMediumDifficultyCoinScore(0);

            GamePreferencesScript.SetHardDifficultyState(0);
            GamePreferencesScript.SetHardDifficultyHighScore(0);
            GamePreferencesScript.SetHardDifficultyCoinScore(0);

            GamePreferencesScript.SetMusicState(0);

            //Now we have player preferences, so set "Game Initialized" any time the user
            //uses this application in the future.
            PlayerPrefs.SetInt("Game Initialized", 1);
        }
    }