(Unity)ボタンで2台のカメラを切り替える

(スクリプト)

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

public class CameraController : MonoBehaviour
{
    public Camera cam1;
    public Camera cam2;
    private bool isCam1 = true;

    void Start()
    {
        cam1.enabled = true;
        cam2.enabled = false;
    }

    void Update()
    {
        if(Input.GetKeyDown(KeyCode.C) && isCam1 == true)
        {
            cam1.enabled = false;
            cam2.enabled = true;

            isCam1 = false;
        }
        else if (Input.GetKeyDown(KeyCode.C) && isCam1 == false)
        {
            cam1.enabled = true;
            cam2.enabled = false;

            isCam1 = true;
        }
    }
}

(設定)