sim.py 文件源码

def get_event(self, event):
        if event.type == pg.QUIT:
            self.quit = True
        elif event.type == pg.KEYUP:
            if event.key == pg.K_ESCAPE:
                self.quit = True
            elif event.key == pg.K_SPACE:
                self.running_sim = not self.running_sim
            elif event.key == pg.K_UP:
                if self.tick_index < len(self.tick_lengths) - 1:
                    self.tick_index += 1
                    self.tick_length = self.tick_lengths[self.tick_index]
            elif event.key == pg.K_DOWN:
                if self.tick_index > 0:
                    self.tick_index -= 1
                    self.tick_length = self.tick_lengths[self.tick_index]