EnemyPatrol

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class enemyPatrol : MonoBehaviour
{
    public GameObject pointA;
    public GameObject pointB;
    private Rigidbody rb;
    private Transform currentPoint;
    public float speed;


    void Start()
    {
        rb = GetComponent<Rigidbody>();
        currentPoint = pointB.transform;
    }

    // Update is called once per frame
    void Update()
    {


            Vector2 point = currentPoint.position - transform.position;
            if (currentPoint == pointB.transform)
            {
                rb.velocity = new Vector2(speed, 0);
            }
            else
            {
                rb.velocity = new Vector2(-speed, 0);
            }
            if (Vector2.Distance(transform.position, currentPoint.position) < 2f && currentPoint == pointB.transform)
            {
                currentPoint = pointA.transform;
            }
            if (Vector2.Distance(transform.position, currentPoint.position) < 2f && currentPoint == pointA.transform)
            {
                currentPoint = pointB.transform;
            }


    }
}