protected override void Move()
    {
        if (states == SniperState.patrol)
        {
            GetComponent<CharacterController>().Move(transform.forward * Time.deltaTime);
            if (timer>10)
            {
                transform.Rotate(new Vector3(0,90,0));
                timer = 0;
            }
            timer += Time.deltaTime;
        }
    }

    protected override void Attack()
    {
        switch(states)
        {
            case SniperState.patrol:

                break;
            case SniperState.prepare:

                break;
            case SniperState.fire:

                break;
            default:
                throw new ArgumentOutOfRangeException();
        }
    }