优化关卡评级显示相关代码

parts/list.lua

@@ -178,6 +178,15 @@ local _={}
 for k,v in next,missionEnum do _[v]=k end
 for k,v in next,_ do missionEnum[k]=v end
 
+rankColor={
+	color.dRed,		--D
+	color.dOrange,	--C
+	color.lYellow,	--B
+	color.lBlue,	--A
+	color.lCyan,	--S
+	color.lGreen,	--Special
+}
+
 local function T(s,t)return love.graphics.newText(getFont(s),t)end
 drawableText={
 	question=T(100,"?"),