Почему исчезает 2д объект во время поворота?

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
 
public class ZombieStandart : MonoBehaviour
{
 
    public float speed = 1f;
    public int health;
    public int atack;
    public Transform[] WayPoints;
    public int NewPosition;
    public Transform LastPosition;
 
 
    public void Start()
    {
        NewPosition = 0;
    }
 
 
    public void FixedUpdate()
    {
        Move();
        Rotation();
    }
 
 
    public void Move()
    {
        transform.position = Vector2.MoveTowards(transform.position, WayPoints[NewPosition].position, speed * Time.deltaTime);
 
        if (Vector2.Distance(transform.position, WayPoints[NewPosition].position) < 0.2f)
        {
            NewPosition = NewPosition + 1;
 
        }
    }
 
    public void Rotation()
  
    {
        Vector2 dir = WayPoints[NewPosition].position - transform.position;
        Quaternion rotation = Quaternion.LookRotation(dir, Vector2.zero);
        transform.rotation = rotation;
        transform.Translate(dir.normalized * speed * Time.deltaTime, Space.World);
 
    }
}

   Vector3 dir = WayPoints[NewPosition].position - transform.position;
        Quaternion rotation = Quaternion.LookRotation(dir, Vector3.zero);
        transform.rotation = rotation;
 
        ObjectRotate.transform.Rotate(0.0f, 0.0f, 90.0f, Space.Self);