代码规范：把所有的tab换成空格

parts/backgrounds/firework.lua

@@ -11,88 +11,88 @@ local back={}
 local t
 local firework,particle
 function back.init()
-	t=26
-	firework,particle={},{}
+    t=26
+    firework,particle={},{}
 end
 function back.update(dt)
-	t=t-1
-	if t==0 then
-		ins(firework,{
-			x=nil,y=nil,
-			x0=SCR.w*(rnd()*1.2-.1),
-			y0=SCR.h*1.5,
-			x1=SCR.w*(.15+rnd()*.7),
-			y1=SCR.h*(.15+rnd()*.4),
-			t=0,
-			v=.5+rnd(),
-			color=COLOR.random_dark(),
-			big=rnd()<.1,
-		})
-		t=rnd(26,62)
-	end
-	for i=#firework,1,-1 do
-		local F=firework[i]
-		local time=F.t^.5
-		if time>1 then
-			local x,y,color=F.x,F.y,F.color
-			if F.big then
-				SFX.play('fall',.5)
-				for _=1,rnd(62,126)do
-					ins(particle,{
-						x=x,y=y,
-						color=color,
-						vx=rnd()*16-8,
-						vy=rnd()*16-8,
-						t=1,
-					})
-				end
-			else
-				SFX.play('clear_1',.4)
-				for _=1,rnd(16,26)do
-					ins(particle,{
-						x=x,y=y,
-						color=color,
-						vx=rnd()*8-4,
-						vy=rnd()*8-4,
-						t=1,
-					})
-				end
-			end
-			rem(firework,i)
-		else
-			F.t=F.t+dt*F.v
-			F.x=F.x0*(1-time)+F.x1*time
-			F.y=F.y0*(1-time)+F.y1*time
-		end
-	end
-	for i=#particle,1,-1 do
-		local P=particle[i]
-		if P.t<0 then
-			rem(particle,i)
-		else
-			P.x=P.x+P.vx
-			P.y=P.y+P.vy
-			P.vy=P.vy+.04
-			P.t=P.t-dt*.6
-		end
-	end
+    t=t-1
+    if t==0 then
+        ins(firework,{
+            x=nil,y=nil,
+            x0=SCR.w*(rnd()*1.2-.1),
+            y0=SCR.h*1.5,
+            x1=SCR.w*(.15+rnd()*.7),
+            y1=SCR.h*(.15+rnd()*.4),
+            t=0,
+            v=.5+rnd(),
+            color=COLOR.random_dark(),
+            big=rnd()<.1,
+        })
+        t=rnd(26,62)
+    end
+    for i=#firework,1,-1 do
+        local F=firework[i]
+        local time=F.t^.5
+        if time>1 then
+            local x,y,color=F.x,F.y,F.color
+            if F.big then
+                SFX.play('fall',.5)
+                for _=1,rnd(62,126)do
+                    ins(particle,{
+                        x=x,y=y,
+                        color=color,
+                        vx=rnd()*16-8,
+                        vy=rnd()*16-8,
+                        t=1,
+                    })
+                end
+            else
+                SFX.play('clear_1',.4)
+                for _=1,rnd(16,26)do
+                    ins(particle,{
+                        x=x,y=y,
+                        color=color,
+                        vx=rnd()*8-4,
+                        vy=rnd()*8-4,
+                        t=1,
+                    })
+                end
+            end
+            rem(firework,i)
+        else
+            F.t=F.t+dt*F.v
+            F.x=F.x0*(1-time)+F.x1*time
+            F.y=F.y0*(1-time)+F.y1*time
+        end
+    end
+    for i=#particle,1,-1 do
+        local P=particle[i]
+        if P.t<0 then
+            rem(particle,i)
+        else
+            P.x=P.x+P.vx
+            P.y=P.y+P.vy
+            P.vy=P.vy+.04
+            P.t=P.t-dt*.6
+        end
+    end
 end
 function back.draw()
-	gc_clear(.1,.1,.1)
-	for i=1,#firework do
-		local F=firework[i]
-		gc_setColor(F.color)
-		gc_circle('fill',F.x,F.y,F.big and 8 or 4)
-	end
-	gc_setLineWidth(3)
-	for i=1,#particle do
-		local P=particle[i]
-		local c=P.color
-		gc_setColor(c[1],c[2],c[3],P.t*.4)
-		gc_line(P.x,P.y,P.x-P.vx*4,P.y-P.vy*4)
-	end
+    gc_clear(.1,.1,.1)
+    for i=1,#firework do
+        local F=firework[i]
+        gc_setColor(F.color)
+        gc_circle('fill',F.x,F.y,F.big and 8 or 4)
+    end
+    gc_setLineWidth(3)
+    for i=1,#particle do
+        local P=particle[i]
+        local c=P.color
+        gc_setColor(c[1],c[2],c[3],P.t*.4)
+        gc_line(P.x,P.y,P.x-P.vx*4,P.y-P.vy*4)
+    end
 end
 function back.discard()
-	firework=nil
+    firework=nil
 end
 return back