void click_caillou(Script_Rock s, int id)
    {
        s.PlaySong();

        if (good_combinaison[good_combinaison_count] == id)
        {
            good_combinaison_count += 1;
            cr1.SetActive(false);
            cr2.SetActive(false);
            cr3.SetActive(false);
        }
        else
        {
            good_combinaison_count = 0;
            cr1.SetActive(true);
            cr2.SetActive(true);
            cr3.SetActive(true);
        }
        if (good_combinaison_count == good_combinaison.Length)
        {
            s_music.start_music();

            victory = true;
        }
        update_menhir();
    }
    // Start is called before the first frame update
    void Start()
    {
        s_music = music.GetComponent <StoneMusic>();
        GameObject obj = GameObject.FindWithTag("music_main");

        if (obj != null)
        {
            Destroy(obj);
        }
        s1 = c1.GetComponent <Script_Rock>();
        s2 = c2.GetComponent <Script_Rock>();
        s3 = c3.GetComponent <Script_Rock>();
        m  = menhir.GetComponent <Script_Menhir>();
        cr1.SetActive(false);
        cr2.SetActive(false);
        cr3.SetActive(false);
    }