private Activatable GetActivatable()
    {
        RaycastHit hit;

        if (Physics.Raycast(head.position, head.forward, out hit, maxActivateRange, activationMask))
        {
            Activatable activatable = hit.collider.GetComponent <Activatable>();
            if (activatable != null && activatable.CanBeActivated(this))
            {
                return(activatable);
            }
            else
            {
                return(null);
            }
        }
        else
        {
            return(null);
        }
    }