// Update is called once per frame
    void Update()
    {
        //if on android, tap will go to arcade game screen
                #if UNITY_ANDROID
        MobileInput.InputType input = MobileInput.getInput();
        if (input == MobileInput.InputType.hold)
        {
            SceneManager.LoadScene("TitleScreen");
        }
        else if (input == MobileInput.InputType.left)
        {
            SceneManager.LoadScene("RMTutorial");
        }
        else if (input == MobileInput.InputType.up)
        {
            source.Stop();
            rhythm_game.SetGameMode(Rhythm.GameMode.normal);
            rhythm_game.enabled = true;
            play_menu_prompt    = false;
            this.enabled        = false;
        }
        else if (input == MobileInput.InputType.right)
        {
            source.Stop();
            rhythm_game.SetGameMode(Rhythm.GameMode.normal);
            rhythm_game.enabled = true;
            play_menu_prompt    = false;
            this.enabled        = false;
        }
        else if (input == MobileInput.InputType.down)
        {
            SceneManager.LoadScene("MinigameScreen");
        }
                #endif

        if (Input.GetKeyDown("left"))         //"Tutorial level", just for explaining gameplay
        {
            SceneManager.LoadScene("RMTutorial");
        }
        else if (Input.GetKeyDown("up"))         //Beginning mode
        {
            source.Stop();
            rhythm_game.SetGameMode(Rhythm.GameMode.normal);
            rhythm_game.enabled = true;
            this.enabled        = false;
            play_menu_prompt    = false;
        }
        else if (Input.GetKeyDown("right"))         //Intermediate
        {
            source.Stop();
            rhythm_game.SetGameMode(Rhythm.GameMode.hard);
            rhythm_game.enabled = true;
            this.enabled        = false;
            play_menu_prompt    = false;
        }
        else if (Input.GetKeyDown("down"))
        {
            SceneManager.LoadScene("MinigameScreen");
        }
    }