EnemyAI

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

public class EnemyAI : MonoBehaviour
{
    public float speed;
    private Waypoint Wpoints;
    private int waypointIndex;

    private void Start()
    {
        Wpoints = GameObject.FindGameObjectWithTag("Waypoints").GetComponent<Waypoint>();
    }

    private void Update()
    {
        transform.position = Vector2.MoveTowards(transform.position, Wpoints.waypoints[waypointIndex].position, speed * Time.deltaTime);

        Vector3 dir = Wpoints.waypoints[waypointIndex].position - transform.position;
        float angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg;
        transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);

        if(Vector2.Distance(transform.position, Wpoints.waypoints[waypointIndex].position) < 0.1f)
        {
            if(waypointIndex < Wpoints.waypoints.Length - 1)
            {
                waypointIndex++;
            }
        }
    }

}