[Unity자습서] Background이동

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
 
public class TestSunnyLand : MonoBehaviour
{
    public Button idleBtn;
    public Button runBtn;
    public Button jumpBtn;
 
    public float backgroundSpeed;
    public float groundSpeed;
    public float treeSpeed;
    public Transform background;
    public Transform ground;
    public Transform[] arrTree;
    Vector3 backGroundPosition;
    Vector3 groundPosition;
    private float backGroundSize = 3.65f;
    private float treeSize = 7f;
 
    private bool isMove = false;
 
    private void Start()
    {
        this.backGroundPosition = this.background.transform.position;
        this.groundPosition = this.ground.transform.position;
    }
 
    void Update()
    {
        var anim = GetComponent<Animator>();
 
        idleBtn.onClick.AddListener(() =>
        {
            this.isMove = false;
            anim.Play("player_idle");
        });
        runBtn.onClick.AddListener(() =>
        {
            this.isMove = true;
            anim.Play("player_run");
            //StartCoroutine(this.AngleMove());
        });
        jumpBtn.onClick.AddListener(() =>
        {
            this.isMove = true;
            anim.Play("player_jump");
        });
    }
    
 
    private void FixedUpdate()
    {
        if (this.isMove == true)
        {
            var newPosition = Mathf.Repeat(Time.time * backgroundSpeed, backGroundSize);
            var treeNewPosition = Mathf.Repeat(Time.time * backgroundSpeed, backGroundSize);
 
            this.background.transform.position = this.backGroundPosition + Vector3.right * newPosition;
            this.ground.transform.position = this.groundPosition + Vector3.left * newPosition;
 
            for (int i = 0; i < arrTree.Length; i++)
            {
                var treeTrans = this.arrTree[i];
                this.arrTree[i].Translate(Vector3.left * treeSpeed * Time.deltaTime);
                if (treeTrans.transform.localPosition.x <= -1f)
                {
                    treeTrans.transform.localPosition = new Vector3(4.6f, -0.17f, 0);
                }
            }
        }
    }
}