save project

snake.py

@@ -15,14 +15,17 @@ 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
-    # 将背景图画上去
+   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))