代码规范：把所有的tab换成空格

parts/backgrounds/lanterns.lua

@@ -8,41 +8,41 @@ local back={}
 local lanterns
 local t
 function back.init()
-	lanterns={}
-	t=0
+    lanterns={}
+    t=0
 end
 function back.update(dt)
-	t=t-dt
-	local H=SCR.h
-	if t<=0 then
-		local size=SCR.rad*(2+rnd()*3)/5/2000
-		local L={
-			x=SCR.w*rnd(),
-			y=H*1.1,
-			vy=size*2,
-			size=size,
-			phase=rnd(),
-			vp=(.02+.02*rnd())*(rnd(2)*2-3),
-		}
-		ins(lanterns,L)
-		t=rnd(.626,1.626)
-	end
-	for i=#lanterns,1,-1 do
-		local L=lanterns[i]
-		L.y=L.y-L.vy*dt*60
-		L.phase=(L.phase+L.vp*dt*60)%1
-		if L.y<-.1*H then
-			rem(lanterns,i)
-		end
-	end
+    t=t-dt
+    local H=SCR.h
+    if t<=0 then
+        local size=SCR.rad*(2+rnd()*3)/5/2000
+        local L={
+            x=SCR.w*rnd(),
+            y=H*1.1,
+            vy=size*2,
+            size=size,
+            phase=rnd(),
+            vp=(.02+.02*rnd())*(rnd(2)*2-3),
+        }
+        ins(lanterns,L)
+        t=rnd(.626,1.626)
+    end
+    for i=#lanterns,1,-1 do
+        local L=lanterns[i]
+        L.y=L.y-L.vy*dt*60
+        L.phase=(L.phase+L.vp*dt*60)%1
+        if L.y<-.1*H then
+            rem(lanterns,i)
+        end
+    end
 end
 function back.draw()
-	gc.clear(.08,.08,.084)
-	gc.setColor(1,1,1,.2)
-	local img=IMG.lanterns
-	for i=1,#lanterns do
-		local L=lanterns[i]
-		mDraw(img[int(L.phase*6)+1],L.x,L.y,nil,L.size)
-	end
+    gc.clear(.08,.08,.084)
+    gc.setColor(1,1,1,.2)
+    local img=IMG.lanterns
+    for i=1,#lanterns do
+        local L=lanterns[i]
+        mDraw(img[int(L.phase*6)+1],L.x,L.y,nil,L.size)
+    end
 end
 return back