smart-bow-infrared/Assets/ShotSimulator/Scripts/ProjectBase/Resource/ResourceManager.cs

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

public class ResourceManager : BaseManager<ResourceManager>
{
    public T Load<T>(string name) where T : Object
    {
        T res = Resources.Load<T>(name);
        return res;
    }

    public void LoadAsync<T>(string name, UnityAction<T> action = null) where T : Object
    {
        MonoManager.GetInstance().StartCoroutine(ReallyLoadResourceAsyn<T>(name, action));
    }

    private IEnumerator ReallyLoadResourceAsyn<T>(string name, UnityAction<T> action = null) where T : Object
    {
        ResourceRequest r = Resources.LoadAsync<T>(name);

        yield return r;

        if (r.asset != null)
        {
            if (action != null)
            {
                if (r.asset is GameObject)
                {
                    action((GameObject.Instantiate(r.asset)) as T);
                }
                else
                {
                    action(r.asset as T);
                }
            }
        }
        else
        {
            Debug.Log(name + ": null");
        }
    }
}