用Python和Pygame寫遊戲-從入門到精通(8)Move
阿新 • • 發佈:2019-02-03
1、Move
background_image_filename = 'sushiplate.jpg' sprite_image_filename = 'fugu.png' import pygame from pygame.locals import * from sys import exit pygame.init() close = False screen = pygame.display.set_mode((640, 480), 0, 32) background = pygame.image.load(background_image_filename).convert() sprite = pygame.image.load(sprite_image_filename).convert_alpha() clock = pygame.time.Clock() x, y = 100., 100. speed_x, speed_y = 133., 170. while True: for event in pygame.event.get(): if event.type == QUIT: pygame.quit() exit close = True screen.blit(background, (0,0)) screen.blit(sprite, (x, y)) time_passed = clock.tick(30) time_passed_seconds = time_passed / 1000.0 x += speed_x * time_passed_seconds y += speed_y * time_passed_seconds # 到達邊界則把速度反向 if x > 640 - sprite.get_width(): speed_x = -speed_x x = 640 - sprite.get_width() elif x < 0: speed_x = -speed_x x = 0. if y > 480 - sprite.get_height(): speed_y = -speed_y y = 480 - sprite.get_height() elif y < 0: speed_y = -speed_y y = 0 if close == True: break pygame.display.update()