Patrolling Between two points

Patrolling.cs

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using System.Collections; using UnityEngine;   public class Patrolling : MonoBehaviour {     public float speed = 5;     public Transform point1;     public Transform point2;       IEnumerator Start()     {         Transform target = point1;         while (true)         {             transform.position = Vector3.MoveTowards(transform.position, target.position, speed * Time.deltaTime);             if (Vector3.Distance(transform.position, target.position) <= 0)             {                 target = target == point1 ? point2 : point1;                 yield return new WaitForSeconds(0.5f);             }             yield return null;         }     } }