整理代码（修复cc加载失败有时候会报错）

parts/scenes/staff.lua

@@ -1,4 +1,3 @@
-local gc=love.graphics
 local kb,tc=love.keyboard,love.touch
 local rnd=math.random
 local ins,rem=table.insert,table.remove
@@ -50,7 +49,7 @@ function scene.update(dt)
     counter=counter-1
     if counter==0 then
         local N=patron[rnd(#patron)]
-        local T=gc.newText(getFont(N.font),N.name)
+        local T=GC.newText(getFont(N.font),N.name)
         local r=rnd()<.5
         ins(names,{
             text=T,
@@ -71,26 +70,26 @@ function scene.update(dt)
 end
 
 function scene.draw()
-    gc.replaceTransform(SCR.origin)
-    gc.setColor(1,1,1,.3)
+    GC.replaceTransform(SCR.origin)
+    GC.setColor(1,1,1,.3)
     for i=1,#names do
         local N=names[i]
-        gc.draw(N.text,N.x,N.y)
+        GC.draw(N.text,N.x,N.y)
     end
 
-    gc.replaceTransform(SCR.xOy)
+    GC.replaceTransform(SCR.xOy)
     local T=40*math.min(time,185)
-    gc.setColor(.97,.97,.97,185-math.min(time,185))
+    GC.setColor(.97,.97,.97,185-math.min(time,185))
     local L=text.staff
     setFont(40)
     for i=1,#L do
         GC.mStr(L[i],640,950+65*i-T)
     end
-    gc.setColor(1,1,1)
+    GC.setColor(1,1,1)
     mDraw(TEXTURE.title_color,640,900-T,nil,.6)
     mDraw(TEXTURE.title,640,7770-T,nil,.6)
     if time>190 then
-        gc.print("CLICK ME →",50,550,-.5)
+        GC.print("CLICK ME →",50,550,-.5)
     end
 end