Unity:非VRからVRモード切替機能とその逆切り替えをするScript記述方法

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR.Management;

namespace CubeWalk
{
    /// <summary>
    /// VRモード切替器
    /// </summary>
    public class VRSwitcher : MonoBehaviour
    {
        /// <summary>
        /// 非VR時にのみアクティブになるオブジェクト群
        /// </summary>
        [SerializeField] List<GameObject> keyMouseObjects;
        /// <summary>
        /// VR時にアクティブになるオブジェクト群
        /// </summary>
        [SerializeField] List<GameObject> vrObjects;
        /// <summary>
        /// VR アセット位置調整用
        /// </summary>
        [SerializeField] Transform vrAssets;
        /// <summary>
        /// プレイヤーオブジェクト発見用
        /// </summary>
        [SerializeField] Transform players;

        public void EnableVR()
        {
            StartCoroutine(this.CoEnableVR());
        }

        public void Enable2D()
        {
            XRGeneralSettings.Instance.Manager.StopSubsystems();
            XRGeneralSettings.Instance.Manager.DeinitializeLoader();
            foreach (var item in this.vrObjects)
            {
                item.SetActive(false);
            }
            foreach (var item in this.keyMouseObjects)
            {
                item.SetActive(true);
            }
        }
        
        IEnumerator CoEnableVR()
        {
            yield return XRGeneralSettings.Instance.Manager.InitializeLoader();
            while (!XRGeneralSettings.Instance.Manager.isInitializationComplete)
            {
                yield return null;
            }
            XRGeneralSettings.Instance.Manager.StartSubsystems();

            // VR開始位置をプレイヤー位置に調整
            foreach (Transform vrm in this.players)
            {
                if("Player" == vrm.tag)
                {
                    this.vrAssets.position = vrm.position;
                    break;
                }
            }

            foreach (var item in this.keyMouseObjects)
            {
                item.SetActive(false);
            }
            foreach (var item in this.vrObjects)
            {
                item.SetActive(true);
            }
        }
    }
}