beep-final/Assets/7_Scripts/Camera/CameraManager.cs

using Cinemachine;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using UnityEngine;

public class CameraManager : MonoBehaviour
{
    public static CameraManager instance { get; private set; }

    public CinemachineVirtualCamera[] m_VCamList;

    private CinemachineVirtualCamera m_ActiveCamera;

    public CinemachineBrain m_CMBrain;

    private void Awake()
    {
        if (instance != null && instance != this)
        {
            Destroy(this);
        }
        else
        {
            instance = this;
        }
    }

    private void Start()
    {
        // Get all virtual camera objects in Unity
        CompleteVCList();
    }

    private void Update()
    {
        SetCullingMask();
    }

    private void CompleteVCList() => m_VCamList = FindObjectsByType<CinemachineVirtualCamera>(FindObjectsSortMode.None);
    
    private void SetCullingMask()
    {
        CinemachineVirtualCamera cam = (CinemachineVirtualCamera) m_CMBrain.ActiveVirtualCamera;
        GameObject obj = cam.gameObject;
        string tag = obj.tag;
        Camera mainCamera = m_CMBrain.OutputCamera;

        if (tag.Contains("surviellance"))
        {
            mainCamera.cullingMask = LayerMask.GetMask("Default", "TransparentFX", "Ignore Raycast", "Water", "UI", "Rig");
        }
        else
        {
            mainCamera.cullingMask = LayerMask.GetMask("Default", "TransparentFX", "Ignore Raycast", "Water", "UI", "Rig");
        }
    }
}