public float speed = 2.0f;
    public Transform goal;

    public float accuracy = 0.1f;

    void LateUpdate()
    {
        transform.LookAt(goal.position);
        Vector3 direction = goal.position - transform.position;
        Debug.DrawRay(transform.position, direction, Color.red);
        if (direction.magnitude > accuracy)
        {
            transform.Translate(direction.normalized * speed * Time.deltaTime, Space.World);
        }
    }