using UnityEngine;
using System.Collections;

public class EnemyMove01 : MonoBehaviour
{

    public Transform target;                                                //set target from inspector instead of looking in Update
    public float speed = 3f;



    void Start()
    {

    }

    void FixedUpdate()
    {

        target = GameObject.FindWithTag("Player").transform;
    }

    void Update()
    {

        if (target == null)
        {
            Destroy(gameObject);
        }
        else
        {
                                                                                                //rotate to look at the player
            transform.LookAt(target.position);
            transform.Rotate(new Vector3(0, -90, 0), Space.Self);                               //correcting the original rotation


                                                                                                //move towards the player
            if (Vector3.Distance(transform.position, target.position) > 5f)
            {                                                                                   //move if distance from target is greater than 1
                transform.Translate(new Vector3(speed * Time.deltaTime, 0, 0));
            }
        }
    }

}