clock.py 文件源码

def update( self, dt, fps=8 ):

        self.display_time( dt.hour, dt.minute )    
        pygame.display.flip()

        # handle exits
        was_quit = False
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                was_quit = True
            elif event.type == pygame.KEYDOWN:
                if event.key == pygame.K_ESCAPE:
                    was_quit = True

        if not was_quit:
            self.clock.tick( fps )

        return was_quit