using System;
using UnityEngine;

public class BackgroundScroller : MonoBehaviour
{
    public float ScrollSpeed;
    public float TileSizeZ;

    private Vector3 _startPosition;

    void Start ()
    {
        _startPosition = transform.position;
    }

    void Update ()
    {
        float newPosition = Mathf.Repeat(Time.time * ScrollSpeed, TileSizeZ);
        this.transform.position = _startPosition + Vector3.forward * newPosition;
    }
}