+ def __init__(self):
+ super().__init__()
+ self._title = self.actors.add(TextButton("Main Menu"))
+ self._title.pos = (300, 100)
+ self._nav = ActorNavigator()
+ self._menu = [
+ TextButton("New Game", action=self.change_to_new_game),
+ TextButton("Resume", action=self.change_to_resume),
+ TextButton("Credits", action=self.change_to_credits),
+ TextButton("Quit", action=self.quit),
+ ]
+ for i, item in enumerate(self._menu):
+ item.pos = (300, 200 + (i * 100))
+ self.actors.add(item)
+ self._nav.connect(
+ self._menu, [keys.DOWN, keys.RIGHT], [keys.UP, keys.LEFT],
+ wrap=True)
+ self._nav.current.select()
+
+ def change_to_resume(self):
+ from .level import GameLevelScene
+ return [ChangeSceneEvent(GameLevelScene())]
+
+ def change_to_new_game(self):
+ from .level import GameLevelScene
+ return [
+ WorldEvent("reset"),
+ ChangeSceneEvent(GameLevelScene())
+ ]
+
+ def change_to_credits(self):
+ from .credits import CreditsScene
+ return [ChangeSceneEvent(CreditsScene())]
+
+ def quit(self):
+ return [QuitEvent()]
+
+ def on_key_down(self, key, mod, unicode):
+ if key == keys.RETURN:
+ current = self._nav.current
+ if current is not None:
+ return current.action()
+ else:
+ prev, current = self._nav.follow(key)
+ if prev is not None:
+ prev.deselect()
+ if current is not None:
+ current.select()