Refactor

src/lib/ui.rb

@@ -102,6 +102,12 @@ class MainMenu < UI
 	def initialize(window, show=false)
 		super window, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 99
 		@show = show
+
+		@playbtn = Button.new(self.window, self, "Play", self.window.fonts[:button])
+		@playbtn.x, @playbtn.y = self.width/2 - @playbtn.width/2, self.height/2 - @playbtn.height/2
+
+		@quitbtn = Button.new(self.window, self, "Quit", self.window.fonts[:button])
+		@quitbtn.x, @quitbtn.y = self.width/2 - @quitbtn.width/2, @quitbtn.height + @playbtn.y + 16
 	end
 
 	def quit_game
@@ -115,14 +121,8 @@ class MainMenu < UI
 			titletext = "Hohmann Miner"
 			titlewidth = self.window.fonts[:title].text_width(titletext)
 			self.draw_text(titletext, self.window.fonts[:title], self.width/2 - titlewidth/2, self.height/4)
-
-			playbtn = Button.new(self.window, self, "Play", self.window.fonts[:button])
-			playbtn.x, playbtn.y = self.width/2 - playbtn.width/2, self.height/2 - playbtn.height/2
-			playbtn.render
-
- 			quitbtn = Button.new(self.window, self, "Quit", self.window.fonts[:button])
- 			quitbtn.x, quitbtn.y = self.width/2 - quitbtn.width/2, quitbtn.height + playbtn.y + 16
- 			quitbtn.render
+			@playbtn.render
+ 			@quitbtn.render
 		end
 	end
 end