gray背景改名fixColor，允许自定义颜色

parts/backgrounds/fixColor.lua

@@ -1,11 +1,11 @@
 --Customizable grey background
 local gc=love.graphics
 local back={}
-local brightness=.26
+local r,g,b=.26,.26,.26
 function back.draw()
-    gc.clear(brightness,brightness,brightness)
+    gc.clear(r,g,b)
 end
-function back.event(b)
-    brightness=b
+function back.event(_r,_g,_b)
+    r,g,b=_r,_g,_b
 end
 return back

parts/gameFuncs.lua

@@ -165,8 +165,8 @@ do--function applySettings()
             BG.set()
         elseif SETTING.bg=='off'then
             BG.unlock()
-            BG.set('gray')
-            BG.send(SETTING.bgAlpha)
+            BG.set('fixColor')
+            BG.send(SETTING.bgAlpha,SETTING.bgAlpha,SETTING.bgAlpha)
             BG.lock()
         elseif SETTING.bg=='custom'then
             if love.filesystem.getInfo('conf/customBG')then
@@ -184,8 +184,8 @@ do--function applySettings()
             else--Switch off when custom BG not found
                 SETTING.bg='off'
                 BG.unlock()
-                BG.set('gray')
-                BG.send(SETTING.bgAlpha)
+                BG.set('fixColor')
+                BG.send(SETTING.bgAlpha,SETTING.bgAlpha,SETTING.bgAlpha)
                 BG.lock()
             end
         end

parts/scenes/app_dtw.lua

@@ -199,7 +199,8 @@ local scene={}
 
 function scene.sceneInit()
     reset()
-    BG.set('gray')
+    BG.set('fixColor')
+    BG.send(.26,.26,.26)
     BGM.play(bgm)
 end
 

parts/scenes/app_mahjong.lua

@@ -86,6 +86,8 @@ end
 local scene={}
 
 function scene.sceneInit()
+    BG.set('fixColor')
+    BG.send(.26,.62,.26)
     _newGame()
     selected=false
 end

parts/scenes/app_tap.lua

@@ -12,7 +12,8 @@ function scene.sceneInit()
     lastKey=nil
     speed=0
     keyTime={}for i=1,40 do keyTime[i]=-1e99 end
-    BG.set('gray')
+    BG.set('fixColor')
+    BG.send(.26,.26,.26)
     BGM.play('push')
 end