def main():
pygame.init()
pygame.font.init()
screen = pygame.display.set_mode(DISPLAY, FLAGS, DEPTH)
pygame.display.set_caption("Use arrows to move!")
timer = pygame.time.Clock()
up = down = left = right = running = False
bg = Surface((16,16))
bg.convert()
bg.fill(Color("#FFFFFF"))
entities = pygame.sprite.Group()
x = y = 0
start_level = Level(30, 30)
controls = Controls(start_level)
while 1:
timer.tick(60)
for e in pygame.event.get():
if e.type == QUIT: raise SystemExit, "QUIT"
controls.process_event(e)
start_level.update(screen)
pygame.display.update()
