save project

snake.py

@@ -17,15 +17,17 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+    x=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))
     for i in range(len(position)-1):
-        print(position[i])
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    x=x+30
     FPSCLOCK.tick(3)
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