移除Feel，自定义动画参数实装

Assets/Scripts/Manager/MusicPlayer.cs

@@ -14,7 +14,7 @@ namespace Ichni.Editor
     {
         #region [ISongTimeProvider 实现] ISongTimeProvider Implementation
         /// <summary>当前播放进度（秒），已扣除 offset，供 CoreServices.TimeProvider 使用</summary>
-        public float SongTime => EditorManager.instance.songInformation.songTime;
+        public float SongTime => EditorManager.instance != null ? EditorManager.instance.songInformation.songTime : 0;
 
         /// <summary>当前是否正在播放</summary>
         public bool IsPlaying => isPlaying;
@@ -25,6 +25,10 @@ namespace Ichni.Editor
         public bool isPlaying;
         public AudioSource audioSource;
         private float DspTime => (float)AudioSettings.dspTime;
+        
+        public AudioHighPassFilter  highPassFilter;
+        public AudioLowPassFilter   lowPassFilter;
+        
         #endregion
 
         #region [生命周期] Lifecycle