auto save

snake.py

@@ -19,15 +19,7 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        if event.type==locals.keydown:
-        if event.key==locals.K_RIGHT and setheading i ="left"；
-            setheading=‘right’
-        if event.key==locals.K_LEFT and setheading i ="right"；
-            setheading=‘right’
-        if event.key==locals.K_DOWN and setheading i ="down"；
-            setheading=‘right’
-        if event.key==locals.K_UP and setheading i ="up"；
-            setheading=‘right’
+    x+=30
     position.append((x,y))
     position.pop(0)
     # 将背景图画上去