void CheckReferences()
    {
        if (infoChange == null)
        {
            infoChange = FindObjectOfType <HealthInfoChange>();
        }

        if (player == null)
        {
            player = FindObjectOfType <PlayerLifeTime>();
        }
    }
    void Start()
    {
        if (heathBar == null)
        {
            heathBar = FindObjectOfType <HealthBarBehaviour>();
        }

        if (player == null)
        {
            player = FindObjectOfType <PlayerLifeTime>();
        }
    }