From ef1ebd509d577c9a2d180d843a1571722c51c25b Mon Sep 17 00:00:00 2001
From: MrZ626 <1046101471@qq.com>
Date: Sun, 6 Dec 2020 14:16:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B9=8B=E5=89=8Dtask?=
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---
 Zframework/bgm.lua | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/Zframework/bgm.lua b/Zframework/bgm.lua
index 13598a52..9816008a 100644
--- a/Zframework/bgm.lua
+++ b/Zframework/bgm.lua
@@ -1,20 +1,28 @@
 local min=math.min
 
 local function fadeOut(id)
-	local src=BGM.list[id]
-	local v=src:getVolume()-.025*SETTING.bgm
-	src:setVolume(v>0 and v or 0)
-	if v<=0 then
-		src:stop()
-		return true
+	while true do
+		coroutine.yield()
+		local src=BGM.list[id]
+		local v=src:getVolume()-.025*SETTING.bgm
+		src:setVolume(v>0 and v or 0)
+		if v<=0 then
+			src:stop()
+			return true
+		end
 	end
 end
 local function fadeIn(id)
-	local src=BGM.list[id]
-	local v=SETTING.bgm
-	v=min(v,src:getVolume()+.025*v)
-	src:setVolume(v)
-	if v>=SETTING.bgm then return true end
+	while true do
+		coroutine.yield()
+		local src=BGM.list[id]
+		local v=SETTING.bgm
+		v=min(v,src:getVolume()+.025*v)
+		src:setVolume(v)
+		if v>=SETTING.bgm then
+			return true
+		end
+	end
 end
 
 local BGM={