Unity2D声音控制面板Demo

没有咋优化(咕咕咕)的声音面板Demo源码(之前学习Unity的笔记)
出来的面板滑动滑动条按钮会动态控制音量大小
如果不保存设置，音量会是之前载入时候的音量
Welcome是这个游戏关联的开始场景类

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
public class SettingPanel : MonoBehaviour
{
    public Button btn_Reset;
    public Button btn_Apply;
    public Button btn_Close;
    public Slider musicSlider;
    public Slider soundSlider;
    public static int musicValue = 100;
    public static int soundValue = 100;
    public Text labelMusic;
    public Text labelSound;
    public static bool save = false;
    private static int tempMusicValue;
    private static int tempSoundValue;


    public static SettingPanel Instance;

    void Awake()
    {
        if (Instance == null)
            Instance = this;
    }

    private void AddEventHandle()
    {
        btn_Reset.onClick.AddListener(() => ResetSetting());
        btn_Apply.onClick.AddListener(() => SaveSetting());
        btn_Close.onClick.AddListener(() => Close());
        musicSlider.onValueChanged.AddListener((float value) => ChangeMusicValue(Mathf.RoundToInt(value)));
        soundSlider.onValueChanged.AddListener((float value) => ChangeSoundValue(Mathf.RoundToInt(value)));
    }
    
    void Close()
    {
        SoundPacks.soundPacks.PlayClickSound();
        if (save == false)
        {
            musicValue = tempMusicValue;
            soundValue = tempSoundValue;
            LoadValue();
            ChangeMusicValue(tempMusicValue);
        }
        GameObject.Destroy(this.gameObject);
    }

    private void SaveSetting()
    {
        SoundPacks.soundPacks.PlayClickSound();
        save = true;
    }

    private void LoadValue()
    {
        labelMusic.text = musicValue.ToString();
        labelMusic.text = soundValue.ToString();
        musicSlider.value = musicValue;
        soundSlider.value = soundValue;
    }

    private void ResetSetting()
    {
        SoundPacks.soundPacks.PlayClickSound();
        musicValue = 100;
        soundValue = 100;
        LoadValue();
    }

    private void ChangeMusicValue(int value)
    {
        labelMusic.text = value.ToString();
        musicValue = value;
        float f = musicValue / 100f;
        Welcome.bgm.GetComponent<AudioSource>().volume = f;
    }

    private void ChangeSoundValue(int value)
    {
        labelSound.text = value.ToString();
        soundValue = value;
    }

    public static void ShowSetting()
    {
        SoundPacks.soundPacks.PlayClickSound();
        var req = Resources.Load<SettingPanel>("prefabs/settingpanel");
        var obj = GameObject.Instantiate(req);
        obj.AddEventHandle();
        obj.LoadValue();
        save = false;
        tempMusicValue = musicValue;
        tempSoundValue = soundValue;
        var upper = Welcome.Instance.upperLayer;
        obj.transform.SetParent(upper.transform);
        obj.gameObject.SetActive(true);
    }

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
            Close();
    }
}

图片素材没有资源，只有源码。

欢迎交流指正