Unity音效播放管理

柔光的暖阳◎ 2023-01-11 09:21 146阅读 0赞

# 1.主摄像头上挂载几个AudioSource #

这个可以根据需要挂载不同的个数，做一个池子

## 2.代码编写 ##

using System.Collections;
    using System.Collections.Generic;
    using System.Linq;
    using UnityEngine;
    
    /// <summary>
    /// 音效类型枚举
    /// </summary>
    public enum SoundType
    {
        SoundTyp_click,//按钮点击
    }
    
    public class AudioController : Singleton<AudioController>,IController
    {
        // 背景音乐播放器
        private AudioSource backMusicAudioSource;
        // 音效播放器
        private List<AudioSource> soundAudioSources =  new List<AudioSource>();
    
        private Dictionary<string, AudioClip> audioDic;
        
        static private string soundKey = "soundKey";
        
        static private string musicKey = "musicKey";
        
        // //音效是否静音
        public bool soundMute
        {
            get
            {
                string sound = PlayerPrefs.GetString(soundKey);
                return sound.Equals("true"); 
            }
    
            set
            {
                PlayerPrefs.SetString(soundKey,value ? "true" : "false");
                PlayerPrefs.Save();
            }
        }
    
        private bool startFadeInBgMusic = false;
        private bool startFadeOutBgMusic = false;
        private float timer = 0;
        
        //背景音乐是否静音
        public bool musicMute
        {
            get
            {
                string sound = PlayerPrefs.GetString(musicKey);
                return sound.Equals("true"); 
            }
    
            set
            {
                PlayerPrefs.SetString(musicKey,value ? "true" : "false");
                PlayerPrefs.Save();
                timer = 0;
                startFadeInBgMusic = value;
                startFadeOutBgMusic = !value;
                if (!value)
                {
                    backMusicAudioSource.mute = false;
                }
            }
       
        }
    
        // 把播放器重新分类
       public void Init()
       {
           audioDic = new Dictionary<string, AudioClip>();
           AudioSource[] audioSources = Camera.main.GetComponents<AudioSource>();
           if (audioSources.Length > 0)
           {
               backMusicAudioSource = audioSources[0];
               backMusicAudioSource.loop = true;
               backMusicAudioSource.mute = musicMute;
               //背景音乐
               // AssetLoader.LoadAddressableAsync<AudioClip>("december_raining", handle =>
               // {
               //     backMusicAudioSource.clip = handle.Result;
               // });
               for (int i = 1; i < audioSources.Length; i++)
               {
                   audioSources[i].loop = false;
                   soundAudioSources.Add(audioSources[i]);
               }
           }
       }
        
        
        private AudioSource getFreeAudioSource()
        {
            AudioSource audioSource = null;
            for (int i = 0; i < soundAudioSources.Count; i++)
            {
                AudioSource tmpAudioSource = soundAudioSources[i];
                if (!tmpAudioSource.isPlaying)
                {
                    audioSource = tmpAudioSource;
                    break;
                }
            }
            return audioSource;
        }
        
    
        public void Update()
        {
            if (startFadeInBgMusic)
            {
                timer += Time.deltaTime;
                float p = Mathf.Clamp01(timer / 2f) ;
                backMusicAudioSource.volume = 1 - p;
                if (timer > 2f)
                {
                    startFadeInBgMusic = false;
                    timer = 0;
                    backMusicAudioSource.mute = true;
                }
            }
    
            if (startFadeOutBgMusic)
            {
                timer += Time.deltaTime;
                float p = Mathf.Clamp01(timer / 2f) ;
                backMusicAudioSource.volume = p;
                if (timer > 2f)
                {
                    startFadeOutBgMusic = false;
                    timer = 0;
                }
            }
        }
        
        /// <summary>
        /// 播放和停止背景音乐
        /// </summary>
        /// <param name="isPlay"></param>
        public void playBackMusic(bool isPlay)
        {
            if (isPlay)
            {
                if (!backMusicAudioSource.isPlaying)
                {
                    backMusicAudioSource.Play();
                }
               
            }
            else
            {
                if (backMusicAudioSource.isPlaying)
                {
                    backMusicAudioSource.Stop();
                }
            }
        }
    
        /// <summary>
        /// 播放音效
        /// </summary>
        /// <param name="type"></param>
        public void playSound(SoundType type)
        {
    
            if (!soundMute)
            {
                string soundFileName = "click";
                switch (type)
                {
                    case SoundType.SoundTyp_click :
                        soundFileName = "click";
                        break;
                }
    
                if (audioDic.TryGetValue(soundFileName, out AudioClip ac))
                {
                    AudioSource audioSource = getFreeAudioSource();
                    if (audioSource != null)
                    {
                        audioSource.clip = ac;
                        audioSource.Play(); 
                    }
                    return;
                }
                
                AssetLoader.LoadAddressableAsync<AudioClip>(soundFileName, handle =>
                {
                    AudioSource audioSource = getFreeAudioSource();
                    if (audioSource != null)
                    {
                        audioSource.clip = handle.Result;
                        audioSource.Play();
                        audioDic[soundFileName] = handle.Result;
                    }
                });
            }
        }
    }