整理代码，Zframework添加数学扩展模块

parts/scenes/app_link.lua

@@ -7,7 +7,6 @@ local setFont,mStr=FONT.set,GC.mStr
 local int,rnd,abs=math.floor,math.random,math.abs
 local max,min=math.max,math.min
 local ins,rem=table.insert,table.remove
-local function sign(a)return a>0 and 1 or a<0 and -1 or 0 end
 
 local levels={
     {c=6,r=3,color=3},
@@ -289,7 +288,7 @@ function scene.update(dt)
     if state==1 then
         time=TIME()-startTime
         comboTime=max(comboTime-dt,0)
-        score1=score1+sign(score-score1)+int((score-score1)*.1+.5)
+        score1=score1+MATH.sign(score-score1)+int((score-score1)*.1+.5)
     end
 
     if sure>0 then sure=sure-dt end

parts/scenes/app_piano.lua

@@ -19,7 +19,7 @@ function scene.sceneInit()
 end
 
 function scene.touchDown(x,y,k)
-
+    --TODO
 end
 scene.mouseDown=scene.touchDown
 
@@ -41,10 +41,6 @@ function scene.keyDown(key,isRep)
     end
 end
 
-function scene.update(dt)
-
-end
-
 function scene.draw()
     setFont(30)
     gc.print(inst,40,60)
@@ -52,6 +48,6 @@ function scene.draw()
 end
 
 scene.widgetList={
-    WIDGET.newButton{name="back", x=1140,y=640,w=170,h=80,fText=CHAR.icon.back,code=backScene},
+    WIDGET.newButton{name="back", x=1140,y=640,w=170,h=80,font=60,fText=CHAR.icon.back,code=backScene},
 }
 return scene

parts/scenes/main.lua

@@ -14,9 +14,9 @@ local widgetX0={
 }
 local enterConsole=coroutine.wrap(function()
     while true do
-        Snd('bell',.6,'A4',.7,'E5',1,coin('A5','B5'))YIELD()
-        Snd('bell',.6,'A4',.7,'F5',1,coin('C6','D6'))YIELD()
-        Snd('bell',.6,'A4',.7,'G5',1,coin('E6','G6'))YIELD()
+        Snd('bell',.6,'A4',.7,'E5',1,MATH.coin('A5','B5'))YIELD()
+        Snd('bell',.6,'A4',.7,'F5',1,MATH.coin('C6','D6'))YIELD()
+        Snd('bell',.6,'A4',.7,'G5',1,MATH.coin('E6','G6'))YIELD()
         Snd('bell',.6,'A4',.7,'A5',1,'A6')SFX.play('ren_mega')SCN.go('app_console')YIELD()
     end
 end)