Unity 单例-接口模式

using System.Collections;
using System.Collections.Generic;
using UniRx;
using UniRx.Triggers;
using UnityEngine;
namespace ZYF
{public interface ISingleton<TMono> where TMono : MonoBehaviour{private static string rootName = "MonoSingletonRoot";private static GameObject monoSingletionRoot;private static bool isSpawnRootGo = false;static TMono _instance;public static TMono Instance{get {if (_instance == null && Application.isPlaying){_instance = GameObject.FindObjectOfType<TMono>();if (_instance == null){if (monoSingletionRoot == null){monoSingletionRoot = GameObject.Find(rootName);if (monoSingletionRoot == null && isSpawnRootGo ==false) {isSpawnRootGo=true;monoSingletionRoot = new GameObject(rootName);monoSingletionRoot.OnDestroyAsObservable().Subscribe(_ => {isSpawnRootGo = false;}).AddTo(monoSingletionRoot);}}if (monoSingletionRoot != null){_instance = monoSingletionRoot.GetComponent<TMono>();}if (_instance == null){if (monoSingletionRoot != null){_instance = monoSingletionRoot.AddComponent<TMono>();}else{Debug.Log(rootName + "null！！！");}}}}if (_instance == null){Debug.Log(typeof(TMono).Name + "Null");}return _instance;}}}
}