def main():
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption(u'俄罗斯方块')
pygame.key.set_repeat(100, 100)
game_resource = GameResource()
game_state = GameState(screen, game_resource)
game_resource.play_bg_music()
while True:
if game_state.piece and game_state.piece.is_at_bottom:
game_state.touch_bottom()
if game_state.score >= game_state.difficulty * SCORE_PER_LEVEL:
game_state.add_difficulty()
check_events(game_state, game_resource)
screen.blit(game_resource.load_bg_img(), (0, 0))
GameDisplay.draw_game_area(game_state, game_resource)
if game_state.piece:
GameDisplay.draw_piece(game_state)
pygame.display.flip()
