auto save

snake.py

@@ -13,15 +13,22 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 
 x, y = 240, 120
 positon = [(180,90),(180,120),(210,120),()]
 
+setheading = "right"
+sanke_head = right
+
 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
     positon.append((x,y))
     positon.pop(0)