auto save

snake.py

@@ -11,6 +11,9 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+left=pygame.image.load("left.png")
+up=pygame.image.load("up.png")
+
 x,y=240,140
 x,y=240,140
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
 while True:
@@ -18,6 +21,15 @@ while True:
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and sethding != "left"
+                setheading='right'
+            if event.key==locals.K_LEFT and setheading !="right"
+                setheading=='left'
+            if event.key==locals.K_UP and setheading !="dowm"
+                setheading=='up'
+            if event.key==locals.K_DOWN and setheading !="up"
+                setheading='dowm'
     x += 30
     x += 30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)