__init__.py 文件源码

def step(self, action):
        """
        (!)for reinforcement learning only(!) WIP:
        Executes one action on the game.
        The action gets translated into a keyboard sequence first, then is played.

        :param str action: the action to execute on the MDP
        """
        # default global events?
        events = pygame.event.get(pygame.QUIT)  # TODO: add more here?
        for e in events:
            if e.type == pygame.QUIT:
                raise (SystemExit, "QUIT")

        # collect keyboard events
        self.keyboard_inputs.tick()

        # call the callback with self (for references to important game parameters)
        self.callback(self)

        # increase global frame counter
        self.frame += 1