SimpleTools/Tools/Cinemachine/CMCameraTrigger.cs

using UnityEngine;
using Cinemachine;

public class CMCameraTrigger : MonoBehaviour{

    CinemachineVirtualCamera vcam;

    void Awake(){
        vcam = GetComponentInChildren<CinemachineVirtualCamera>(true);
        vcam.gameObject.SetActive(false);
    }

    #region 3D
    void OnTriggerEnter(Collider col){
        if (col.CompareTag("Player")){
            vcam.gameObject.SetActive(true);
        }
    }
    void OnTriggerExit(Collider col){
        if (col.CompareTag("Player")){
            vcam.gameObject.SetActive(true);
        }
    }
    #endregion

    #region 2D
    void OnTriggerEnter2D(Collider2D col){
        if (col.CompareTag("Player")){
            vcam.gameObject.SetActive(true);
        }
    }
    void OnTriggerExit2D(Collider2D col){
        if (col.CompareTag("Player")){
            vcam.gameObject.SetActive(false);
        }
    }
    #endregion
}