auto save

snake.py

@@ -12,13 +12,15 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
+a=pygame.time.Clock.tick()
+x,y=240,120
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    # 将背景图画上去
+    # 将背景图画上去\
+    x+=30
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
@@ -27,6 +29,8 @@ while True:
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     # 将果实画上去
+    a.tick(0.1)
     screen.blit(food, (360, 300))
     # 刷新画面
+
     pygame.display.update()
\ No newline at end of file