[Unity]C#单例写法

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class Badmanager : MonoBehaviour
{
 static Badmanager instance;
 private void Awake()
    {
        if (instance != null)
            Destroy(this);
        instance = this;
    }
}