auto save

snake.py

@@ -15,21 +15,23 @@ 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)   
+    x += 30        
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right,  position[-1])
+    screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1)
-        screen.blit(body,position[i])
-    
\ No newline at end of file
+    screen.blit(body, (210, 120))
+    screen.blit(body, (180, 120))
+    screen.blit(body, (180, 90))
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file