From a7112094f67e81e6e8f3b694b01c9783c6a12bef Mon Sep 17 00:00:00 2001
From: MrZ_26 <MrZ626@users.github.com>
Date: Tue, 18 Aug 2020 00:38:28 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E5=85=A5=E6=89=87=E5=AD=90=E8=83=8C?=
 =?UTF-8?q?=E6=99=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Zframework/bg.lua | 43 ++++++++++++++++++++++++++++++++++++++++---
 modes/ultra.lua   |  2 +-
 parts/list.lua    | 25 +++++++++++++++++++++----
 3 files changed, 62 insertions(+), 8 deletions(-)

diff --git a/Zframework/bg.lua b/Zframework/bg.lua
index 806c3699..3ccac96b 100644
--- a/Zframework/bg.lua
+++ b/Zframework/bg.lua
@@ -71,8 +71,6 @@ local wingColor={
 }
 back.wing={
 	init=function()
-		t=rnd(02200,19600)
-		
 		gc.setDefaultFilter("linear","linear")
 		bar=gc.newCanvas(41,1)
 		gc.push("transform")
@@ -101,7 +99,6 @@ back.wing={
 		end
 	end,
 	update=function()
-		t=t+1
 		for i=1,16 do
 			local B=crystal[i]
 			B.a=B.a+B.va
@@ -129,6 +126,46 @@ back.wing={
 	end,
 }--Flandre's wing
 
+local _
+back.fan={
+	init=function()
+		L=_G.title_fan
+		t=0
+		BG.resize()
+	end,
+	resize=function()
+		CX,CY=scr.w/2,scr.h/2
+	end,
+	update=function()
+		t=t+1
+	end,
+	draw=function()
+		gc.push("transform")
+		gc.translate(CX,CY+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.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)
+		local L=L
+		for i=1,8 do
+			gc.polygon("line",L[i])
+		end
+
+		gc.pop()
+	end,
+}
+
 back.aura={
 	init=function()
 		t=rnd()*3600
diff --git a/modes/ultra.lua b/modes/ultra.lua
index 64953136..92a84b47 100644
--- a/modes/ultra.lua
+++ b/modes/ultra.lua
@@ -20,7 +20,7 @@ return{
 				end
 			end
 		end,
-		bg="matrix",bgm="infinite",
+		bg="fan",bgm="infinite",
 	},
 	slowMark=true,
 	pauseLimit=true,
diff --git a/parts/list.lua b/parts/list.lua
index 45012af2..9426b8a9 100644
--- a/parts/list.lua
+++ b/parts/list.lua
@@ -1,3 +1,4 @@
+local sin,cos=math.sin,math.cos
 snapLevelValue={1,10,20,40,60,80}
 title={
 	{
@@ -114,6 +115,12 @@ title={
 		5878,	463,
 	},
 }
+for _,C in next,title do
+	for i=1,#C do
+		C[i]=C[i]*.1626
+	end
+end
+--[[
 title2={}
 for i=1,#title do title2[i]=title[i]end
 title2[5]={
@@ -140,12 +147,22 @@ title2[5]={
 	3001,	1280,
 	2779,	1280,
 }
-
-for _,C in next,title do
-	for i=1,#C do
-		C[i]=C[i]*.1626
+]]
+title_fan={}
+for i=1,8 do
+	local L={}
+	title_fan[i]=L
+		for j=1,#title[i]do
+		L[j]=title[i][j]
+	end
+	for j=1,#L,2 do
+		local x,y=L[j],L[j+1]--0<x<3041, 290<y<1280
+		x,y=-(x+240+y*.3)*.002,(y-580)*.9
+		x,y=y*cos(x),-y*sin(x)--Rec-Pol-Rec
+		L[j],L[j+1]=x,y+300
 	end
 end
+
 customID={
 	"drop","lock",
 	"wait","fall",