Проверьте код, почему-то не работает (код для бесконечного фона)

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class Scrolling : MonoBehaviour
{
    public float backgroundSize;
 
 
    private Transform cameraTransform;
    private Transform[] layers;
    private float viewZone = 10;
    private int leftIndex;
    private int rightIndex;
 
 
    private void Start()
    {
        cameraTransform = Camera.main.transform;
        layers = new Transform[transform.childCount];
        for (int i = 0; i < cameraTransform.childCount; i++)
        {
            layers [i] = transform.GetChild (i);
        }
 
        leftIndex = 0;
        rightIndex = layers.Length - 1;
    }
 
    private void Update()
    {
        if (cameraTransform.position.x < (layers[leftIndex].transform.position.x + viewZone))
        {
            ScrollLeft ();
        }
 
        if (cameraTransform.position.x > (layers[rightIndex].transform.position.x - viewZone))
        {
            ScrollRight();
        }
    }
 
 
    private void ScrollLeft()
    {
        int lastRight = rightIndex;
        layers[rightIndex].position = Vector3.left * (layers[leftIndex].position.x - backgroundSize);
        leftIndex = rightIndex;
        rightIndex--;
 
        if (rightIndex < 0)
        {
            rightIndex = layers.Length - 1;
        }
    }
 
 
    private void ScrollRight()
    {
        int lastLeft = leftIndex;
        layers[leftIndex].position = Vector3.right * (layers[rightIndex].position.x + backgroundSize);
        rightIndex = leftIndex;
        leftIndex++;
 
        if (leftIndex == layers.Length)
        {
            leftIndex = 0;
        }
    }
}