代码规范：把所有的tab换成空格

parts/backgrounds/wing.lua

@@ -3,71 +3,71 @@ local gc=love.graphics
 local rnd=math.random
 local back={}
 local wingColor={
-	{.3,.9,.9,.2},
-	{.5,1.,.5,.2},
-	{.9,.9,.3,.2},
-	{1.,.7,.3,.2},
-	{1.,.5,.5,.2},
-	{.7,.3,1.,.2},
-	{.5,.5,1.,.2},
-	{.3,.9,.9,.2},
+    {.3,.9,.9,.2},
+    {.5,1.,.5,.2},
+    {.9,.9,.3,.2},
+    {1.,.7,.3,.2},
+    {1.,.5,.5,.2},
+    {.7,.3,1.,.2},
+    {.5,.5,1.,.2},
+    {.3,.9,.9,.2},
 }
 local bar,crystal
 local W,H
 function back.init()
-	bar=gc.newCanvas(41,1)
-	gc.setCanvas(bar)
-	gc.push('transform')
-	gc.origin()
-	for x=0,20 do
-		gc.setColor(1,1,1,x/5)
-		gc.rectangle('fill',x,0,1,1)
-		gc.rectangle('fill',41-x,0,1,1)
-	end
-	gc.pop()
-	gc.setCanvas()
-	back.resize()
+    bar=gc.newCanvas(41,1)
+    gc.setCanvas(bar)
+    gc.push('transform')
+    gc.origin()
+    for x=0,20 do
+        gc.setColor(1,1,1,x/5)
+        gc.rectangle('fill',x,0,1,1)
+        gc.rectangle('fill',41-x,0,1,1)
+    end
+    gc.pop()
+    gc.setCanvas()
+    back.resize()
 end
 function back.resize()
-	crystal={}
-	W,H=SCR.w,SCR.h
-	for i=1,16 do
-		crystal[i]={
-			x=i<9 and W*.05*i or W*.05*(28-i),
-			y=H*.1,
-			a=0,
-			va=0,
-			f=i<9 and .012-i*.0005 or .012-(17-i)*.0005
-		}
-	end
+    crystal={}
+    W,H=SCR.w,SCR.h
+    for i=1,16 do
+        crystal[i]={
+            x=i<9 and W*.05*i or W*.05*(28-i),
+            y=H*.1,
+            a=0,
+            va=0,
+            f=i<9 and .012-i*.0005 or .012-(17-i)*.0005
+        }
+    end
 end
 function back.update()
-	for i=1,16 do
-		local B=crystal[i]
-		B.a=B.a+B.va
-		B.va=B.va*.986-B.a*B.f
-	end
+    for i=1,16 do
+        local B=crystal[i]
+        B.a=B.a+B.va
+        B.va=B.va*.986-B.a*B.f
+    end
 end
 function back.draw()
-	gc.clear(.06,.06,.06)
-	local sk,sy=SCR.k,H*.8
-	for i=1,8 do
-		gc.setColor(wingColor[i])
-		local B=crystal[i]
-		gc.draw(bar,B.x,B.y,B.a,sk,sy,20,0)
-		B=crystal[17-i]
-		gc.draw(bar,B.x,B.y,B.a,sk,sy,20,0)
-	end
+    gc.clear(.06,.06,.06)
+    local sk,sy=SCR.k,H*.8
+    for i=1,8 do
+        gc.setColor(wingColor[i])
+        local B=crystal[i]
+        gc.draw(bar,B.x,B.y,B.a,sk,sy,20,0)
+        B=crystal[17-i]
+        gc.draw(bar,B.x,B.y,B.a,sk,sy,20,0)
+    end
 end
 function back.event(level)
-	for i=1,8 do
-		local B=crystal[i]
-		B.va=B.va+.001*level*(1+rnd())
-		B=crystal[17-i]
-		B.va=B.va-.001*level*(1+rnd())
-	end
+    for i=1,8 do
+        local B=crystal[i]
+        B.va=B.va+.001*level*(1+rnd())
+        B=crystal[17-i]
+        B.va=B.va-.001*level*(1+rnd())
+    end
 end
 function back.discard()
-	bar,crystal=nil
+    bar,crystal=nil
 end
 return back