From e532041352c1f1f94595c57da45ea97ef5d92092 Mon Sep 17 00:00:00 2001
From: Rapandrasmus <78219215+Rapandrasmus@users.noreply.github.com>
Date: Wed, 4 Oct 2023 17:56:01 +0200
Subject: [PATCH] done (#558)

---
 Assets/Scripts/Util/Sound.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Assets/Scripts/Util/Sound.cs b/Assets/Scripts/Util/Sound.cs
index 89b88932..09c3b538 100644
--- a/Assets/Scripts/Util/Sound.cs
+++ b/Assets/Scripts/Util/Sound.cs
@@ -43,6 +43,23 @@ namespace HeavenStudio.Util
         {
         }
 
+        public void LerpVolume(double beat, double length, float volumeStart, float volumeEnd)
+        {
+            if (!gameObject.activeSelf) return;
+            StartCoroutine(LerpVolumeCo(beat, length, volumeStart, volumeEnd));
+        }
+
+        private IEnumerator LerpVolumeCo(double beat, double length, float volumeStart, float volumeEnd)
+        {
+            float normalized = 0;
+            while (normalized <= 1)
+            {
+                normalized = cond.GetPositionFromBeat(beat, length);
+                audioSource.volume = Mathf.Lerp(volumeStart, volumeEnd, normalized);
+                yield return null;
+            }
+        }
+
         public void Play()
         {
             if (!available)