auto save

snake.py

@@ -14,21 +14,22 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y=240,120
-
+position=[(180,90),(180,120,),(210,120),(x,y)]
 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()
     x+=30
+    position.append((x,y))
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right, position[-1]
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+
+    for i in range(len(position)-1)
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面