잘못만든 카메라 세팅

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class FollowCam : MonoBehaviour
{
    [SerializeField]
    private Transform playerTrans;
    [SerializeField]
    private Transform point;
    [SerializeField]
    private float distance = 10.0f;
    [SerializeField]
    private float height = 2.0f;
    [SerializeField]
    private float upSpeed = 1.0f;
    [SerializeField]
    private float rotateX = 1.0f;
    private Vector3 tpos;
    // Start is called before the first frame update
    void Start()
    {
    }

    //Update메서드 이후
    private void LateUpdate()
    {
        //this.transform.position = this.playerTrans.position;
        //연습


        float wheel = Input.GetAxis("Mouse ScrollWheel");

        if(wheel > 0) //마우스 휠을 위로 올렸을 때
        {
            this.distance -= 0.5f;
            this.tpos = this.playerTrans.position + this.playerTrans.forward * -1 * this.distance;
            this.tpos = this.tpos + Vector3.up * height;
            this.transform.localRotation = Quaternion.Euler(rotateX, 0, 0);
            this.transform.position = this.tpos;
            this.transform.LookAt(this.tpos);
        }
        else if (wheel < 0)
        {
            //마우스 휠을 아래로 내렸을 때
            this.distance += 0.5f;
            this.tpos = this.playerTrans.position + this.playerTrans.forward * -1 * this.distance;
            this.tpos = this.tpos + Vector3.up * height;
            this.transform.localRotation = Quaternion.Euler(rotateX, 0, 0);
            this.transform.position = this.tpos;
            this.transform.LookAt(this.tpos);
        }
        else
        {
            this.tpos = this.playerTrans.position + this.playerTrans.forward * -1 * this.distance;
            this.tpos = this.tpos + Vector3.up * height;
            this.transform.localRotation = Quaternion.Euler(rotateX, 0, 0);
            this.transform.position = this.tpos;
            this.transform.LookAt(this.tpos);
        }
    }
}

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카메라가 지정된 위치에서만 줌인 줌아웃이 된다.