[Unity] Singleton을 이용한 매니저 생성 정리

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class InGameManager : MonoBehaviour
{
    private static InGameManager _instance;
 
    public static InGameManager Instance
    {
        get
        {
            if(_instance == null)
            {
                _instance = GameObject.FindObjectOfType(typeof(InGameManager)) as InGameManager;
                if (_instance == null)
                {
                    GameObject ingameManager = new GameObject();
                    ingameManager.name = "InGameManager";
                    _instance = ingameManager.AddComponent<InGameManager>();
                }
            }
            return _instance;
        }
    }
 
    private void Awake()
    {
        DontDestroyOnLoad(this);
    }
 
}