EditorTool3D/Assets/ZXL/Scripts/ZCoroutine.cs

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

namespace ZXL
{
    public class ZCoroutine : MonoBehaviour
    {
        private static ZCoroutine instance;

        private Queue<IEnumerator> pool = new Queue<IEnumerator>();

        public static ZCoroutine Instance => instance;

        private void Awake()
        {
            if (instance != null)
            {
                Destroy(this.gameObject);
            }

            instance = this;
        }

        private void Update()
        {
            if (pool.Count > 0)
            {
                var enumerator = pool.Dequeue();
                StartCoroutine(enumerator);
            }
        }

        public void AddIEnumerator(IEnumerator enumerator)
        {
            pool.Enqueue(enumerator);
        }
    }
}