void Start()
    {
        hideDigicode = false;
        isInElevator = true;
        isInHall     = true;
        enterInRoom  = false;
        closeDoor    = false;

        usinePrefabList = new List <GameObject>();
        usinePrefabList.Add(usinePrefab1);
        usinePrefabList.Add(usinePrefab2);
        usinePrefabList.Add(usinePrefab3);

        mm     = FindObjectOfType <MenuManager>();
        player = GameObject.FindGameObjectWithTag("Player");
        ep     = GetComponent <ExePuzzle>();

        StartCoroutine(startIntroduction());
        StartCoroutine(scrollingBabies());

        agent.SetActive(false);

        recapText.text = "Ne bougez plus, votre bonheur est en danger. Nous venons vous chercher.";
    }