smart-bow-infrared/Assets/ShotSimulator/Scripts/ProjectBase/Scene/ScenesManager.cs

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

public class ScenesManager : BaseManager<ScenesManager>
{
    public void LoadScene(string name, UnityAction action)
    {
        SceneManager.LoadScene(name);

        if (action != null)
        {
            action();
        }
    }

    public void LoadSceneAsyn(string name, UnityAction action, LoadSceneMode mode)
    {
        MonoManager.GetInstance().StartCoroutine(ReallyLoadSceneAsyn(name, action, mode));
    }

    private IEnumerator ReallyLoadSceneAsyn(string name, UnityAction action, LoadSceneMode mode)
    {
        AsyncOperation ao = SceneManager.LoadSceneAsync(name, mode);
        ao.allowSceneActivation = true;
        while (!ao.isDone)
        {
            yield return ao.progress;
        }

        if (action != null)
        {
            action();
        }
    }

    public void UnloadSceneAsyn(string name, UnityAction action)
    {
        MonoManager.GetInstance().StartCoroutine(ReallyUnloadSceneAsyn(name, action));
    }

    private IEnumerator ReallyUnloadSceneAsyn(string name, UnityAction action)
    {
        AsyncOperation ao = SceneManager.UnloadSceneAsync(name);
        ao.allowSceneActivation = true;
        while (!ao.isDone)
        {
            yield return ao.progress;
        }

        if (action != null)
        {
            action();
        }
    }
}