smart-bow-infrared/Assets/ShotSimulator/Scripts/ProjectBase/Base/MonoSingleton.cs

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

public abstract class MonoSingleton<T> : MonoBehaviour where T : MonoBehaviour
{
    private static T instance = null;

    public static T GetInstance()
    {
        if (null == instance)
        {
            instance = FindObjectOfType(typeof(T)) as T;
            if (instance == null)
            {
                instance = new GameObject(typeof(T).ToString() + "Obj", typeof(T)).GetComponent<T>();
            }
        }
        return instance;
    }

    public virtual void InitManager()
    {
    }
}