void Update()
    {
        if (resume != null && quit != null && menu != null)
        {
            RaycastHit seen;
            Ray        raydirection = new Ray(transform.position, transform.forward);

            if (Physics.Raycast(raydirection, out seen, sightlength))
            {
                if (seen.collider.tag.Equals("ResumeGame"))
                {
                    if (resume.load())
                    {
                        pgc.resume();
                    }
                }
                else if (seen.collider.tag.Equals("QuitGame"))
                {
                    if (quit.load())
                    {
                        Application.Quit();
                    }
                }
                else if (seen.collider.transform.name.Equals("MenuGame"))
                {
                    if (menu.load())
                    {
                        pgc.inactivatePauseMenu();
                        Time.timeScale = 1;
                        gameManager.resetGame();
                        SceneManager.LoadScene("GameStart");
                    }
                }
                else
                {
                    resume.unload();
                    quit.unload();
                    menu.unload();
                }
            }
            else
            {
                resume.unload();
                quit.unload();
                menu.unload();
            }
        }
        else
        {
            resume = FindObjectOfType <ResumeGame>();
            quit   = FindObjectOfType <QuitGame>();
            menu   = FindObjectOfType <MenuGame>();
        }
    }
    void Update()
    {
        RaycastHit seen;
        Ray        raydirection = new Ray(transform.position, transform.forward);

        if (Physics.Raycast(raydirection, out seen, sightlength))
        {
            if (seen.collider.transform.name.Equals("MenuGame"))
            {
                survival.unload();

                if (back.load())
                {
                    gameManager.resetGame();
                    SceneManager.LoadScene("GameStart");
                }
            }
            else if (seen.collider.transform.name.Equals("QuitGame"))
            {
                back.unload();

                if (survival.load())
                {
                    Application.Quit();
                }
            }
            else
            {
                unloadEverything();
            }
        }
        else
        {
            unloadEverything();
        }
    }