Unity类银河恶魔城学习记录15-1,2 p153 Audio Manager p154 Audio distance limiter

        Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码

【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili

AudioManager.cs

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

public class AudioManager : MonoBehaviour
{
    public static AudioManager instance;

    [SerializeField] private float sfxMinimumDistance;
    [SerializeField] private AudioSource[] sfx;
    [SerializeField] private AudioSource[] bgm;

    public bool playBgm;
    private int bgmIndex;

    private void Awake()
    {
        if (instance != null)
        {
            Destroy(instance.gameObject);
        }
        else
            instance = this;