From 6fa4cf17c7d7d3758df7575ba63ced9c8fbadee3 Mon Sep 17 00:00:00 2001
From: MrZ626 <1046101471@qq.com>
Date: Tue, 25 May 2021 14:51:16 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dfan=E8=83=8C=E6=99=AF?=
 =?UTF-8?q?=E5=9D=90=E6=A0=87=E9=94=99=E8=AF=AF=EF=BC=8C=E6=95=B4=E7=90=86?=
 =?UTF-8?q?=E4=BB=A3=E7=A0=81=E6=8F=90=E5=8D=87=E6=80=A7=E8=83=BD?=
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---
 parts/backgrounds/fan.lua | 53 +++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 25 deletions(-)

diff --git a/parts/backgrounds/fan.lua b/parts/backgrounds/fan.lua
index e7a9db02..fd8d87cc 100644
--- a/parts/backgrounds/fan.lua
+++ b/parts/backgrounds/fan.lua
@@ -1,6 +1,11 @@
 --UUZ's fan
 local gc=love.graphics
-local polygon,ellipse=gc.polygon,gc.ellipse
+local gc_push,gc_pop,gc_clear,gc_origin=gc.push,gc.pop,gc.clear,gc.origin
+local gc_translate=gc.translate
+local gc_setColor,gc_setLineWidth=gc.setColor,gc.setLineWidth
+local gc_line,gc_polygon=gc.line,gc.polygon
+local gc_arc,gc_ellipse=gc.arc,gc.ellipse
+
 local rnd=math.random
 local max,min,sin=math.max,math.min,math.sin
 local ins,rem=table.insert,table.remove
@@ -9,7 +14,7 @@ local back={}
 local t
 local fan,petal
 function back.init()
-	t=rnd(2600)
+	t=0
 	fan=title_fan
 	petal={}
 end
@@ -39,35 +44,33 @@ function back.update()
 	end
 end
 function back.draw()
-	gc.push('transform')
-	gc.translate(SCR.w/2,SCR.h/2+20*sin(t*.02))
-	gc.scale(SCR.k)
-	gc.clear(.1,.1,.1)
-	gc.setLineWidth(320)
-	gc.setColor(.3,.2,.3)
-	gc.arc('line','open',0,420,500,-.8*3.1416,-.2*3.1416)
+	gc_push('transform')
+	gc.replaceTransform(SCR.xOy)
+	gc_translate(640,360+20*sin(t*.02))
+	gc_clear(.1,.1,.1)
+	gc_setLineWidth(320)
+	gc_setColor(.3,.2,.3)
+	gc_arc('line','open',0,420,500,-.8*3.1416,-.2*3.1416)
 
-	gc.setLineWidth(4)
-	gc.setColor(.7,.5,.65)
-	gc.arc('line','open',0,420,660,-.799*3.1416,-.201*3.1416)
-	gc.arc('line','open',0,420,340,-.808*3.1416,-.192*3.1416)
-	gc.line(-281,224,-530,30.5)
-	gc.line(281,224,530,30.5)
+	gc_setLineWidth(4)
+	gc_setColor(.7,.5,.65)
+	gc_arc('line','open',0,420,660,-.799*3.1416,-.201*3.1416)
+	gc_arc('line','open',0,420,340,-.808*3.1416,-.192*3.1416)
+	gc_line(-281,224,-530,30.5)
+	gc_line(281,224,530,30.5)
 
-	gc.setLineWidth(6)
-	gc.setColor(.55,.5,.6)
-	for i=1,8 do
-		polygon('line',fan[i])
-	end
+	gc_setLineWidth(6)
+	gc_setColor(.55,.5,.6)
+	for i=1,8 do gc_polygon('line',fan[i])end
 
-	gc.setLineWidth(2)
-	gc.setColor(.6,.3,.5)
-	gc.origin()
+	gc_setLineWidth(2)
+	gc_setColor(.6,.3,.5)
+	gc_origin()
 	for i=1,#petal do
 		local P=petal[i]
-		ellipse('fill',P.x,P.y,P.rx,P.ry)
+		gc_ellipse('fill',P.x,P.y,P.rx,P.ry)
 	end
-	gc.pop()
+	gc_pop()
 end
 function back.discard()
 	petal=nil