【a】添加设置背景音乐音量功能

Assets/04.AudioCore/RunTime/Base/MusicPlayer.cs

@@ -9,6 +9,7 @@ namespace Stary.Evo.AudioCore
         private AudioSource audioSource1;
         private AudioSource audioSource2;
         private AudioSource currentAudioSource;
+        private Coroutine myCoroutine;
 
         public MusicPlayer(AudioSourcePool audioSourcePool)
         {
@@ -61,6 +62,50 @@ namespace Stary.Evo.AudioCore
             FadeAllMusic();
         }
 
+        /// <summary>
+        /// 设置背景音乐音量
+        /// </summary>
+        /// <param name="audioData"></param>
+        public void SetMusicVolume(AudioData audioData)
+        {
+            if(currentAudioSource == null) return;
+            
+            if (myCoroutine != null)
+            {
+                CoroutineHelper.StopCoroutine(myCoroutine);
+                myCoroutine = null;
+            }
+            myCoroutine = CoroutineHelper.StartCoroutine(SetMusicVolume(audioData.fadeDuration, audioData.volume));
+        }
+        
+        /// <summary>
+        /// 设置自然过渡到指定音量
+        /// </summary>
+        /// <param name="fadeDuration"></param>
+        /// <param name="targetVolume"></param>
+        /// <returns></returns>
+        private IEnumerator SetMusicVolume(float fadeDuration, float targetVolume)
+        {
+            float startVolume = currentAudioSource.volume;
+            while (currentAudioSource.volume != targetVolume)
+            {
+                if (currentAudioSource.volume > targetVolume)
+                {
+                    currentAudioSource.volume -= startVolume * Time.deltaTime / fadeDuration;
+                }
+                else
+                {
+                    currentAudioSource.volume += startVolume * Time.deltaTime / fadeDuration;
+                }
+
+                if (Mathf.Abs(currentAudioSource.volume - targetVolume) < 0.01f)
+                {
+                    currentAudioSource.volume = targetVolume;
+                }
+                yield return null;
+            }
+        }
+
         /// <summary>
         /// 切换音频
         /// </summary>

Assets/04.AudioCore/RunTime/Use/AudioCoreManager.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using System.Collections.Generic;
+using System.Security.Cryptography.X509Certificates;
 
 namespace Stary.Evo.AudioCore
 {
@@ -78,6 +79,17 @@ namespace Stary.Evo.AudioCore
             Music.Play(audioData);
         }
 
+        /// <summary>
+        /// 设置背景音乐音量
+        /// </summary>
+        /// <param name="audioData">{[volume:音量], [fadeDuration:自然过渡时间]}</param>
+        public static void SetMusicVolume(AudioData audioData)
+        {
+            if(CoroutineHelper.coroutineRunner == null) return;
+            Music.SetMusicVolume(audioData);
+        }
+
+        
         /// <summary>
         /// 停止播放背景音乐
         /// </summary>