auto save

snake.py

@@ -14,21 +14,22 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y=240,120#设置蛇头初始化坐标
-
+liebiao=[(180,90),(180,120),(210,120),(x,y)]        #创建列表
 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#x坐标自增30
+    liebiao.append((x,y))                         #追加蛇头坐标
+    liebiao.pop(0)                                  #删除列表第一个数据
     # 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, liebiao[-1])               #蛇头
     # 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(liebiao)-1):            #foe循环遍历
+        screen.blit(body,liebiao[i])           #下标
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面