代码规范：把所有的tab换成空格

parts/backgrounds/space.lua

@@ -7,40 +7,40 @@ local back={}
 local stars
 local W,H
 function back.init()
-	stars={}
-	BG.resize(SCR.w,SCR.h)
+    stars={}
+    BG.resize(SCR.w,SCR.h)
 end
 function back.resize(w,h)
-	W,H=w+20,h+20
-	local S=stars
-	for i=1,1260,5 do
-		local s=rnd(26,40)*.1
-		S[i]=s*SCR.k			--Size
-		S[i+1]=rnd(W)-10		--X
-		S[i+2]=rnd(H)-10		--Y
-		S[i+3]=(rnd()-.5)*.01*s	--Vx
-		S[i+4]=(rnd()-.5)*.01*s	--Vy
-	end
+    W,H=w+20,h+20
+    local S=stars
+    for i=1,1260,5 do
+        local s=rnd(26,40)*.1
+        S[i]=s*SCR.k           --Size
+        S[i+1]=rnd(W)-10       --X
+        S[i+2]=rnd(H)-10       --Y
+        S[i+3]=(rnd()-.5)*.01*s--Vx
+        S[i+4]=(rnd()-.5)*.01*s--Vy
+    end
 end
 function back.update()
-	local S=stars
-	--Star moving
-	for i=1,1260,5 do
-		S[i+1]=(S[i+1]+S[i+3])%W
-		S[i+2]=(S[i+2]+S[i+4])%H
-	end
+    local S=stars
+    --Star moving
+    for i=1,1260,5 do
+        S[i+1]=(S[i+1]+S[i+3])%W
+        S[i+2]=(S[i+2]+S[i+4])%H
+    end
 end
 function back.draw()
-	gc.clear(.08,.08,.084)
-	if not stars[1]then return end
-	gc.translate(-10,-10)
-	gc.setColor(1,1,1,.6)
-	for i=1,1260,5 do
-		rectangle('fill',stars[i+1],stars[i+2],stars[i],stars[i])
-	end
-	gc.translate(10,10)
+    gc.clear(.08,.08,.084)
+    if not stars[1]then return end
+    gc.translate(-10,-10)
+    gc.setColor(1,1,1,.6)
+    for i=1,1260,5 do
+        rectangle('fill',stars[i+1],stars[i+2],stars[i],stars[i])
+    end
+    gc.translate(10,10)
 end
 function back.discard()
-	stars=nil
+    stars=nil
 end
 return back