auto save

snake.py

@@ -12,27 +12,52 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left=pygame.image.load("left.png")
+up=pygame.image.load("up.png")
+down=pygame.image.load("down.png")
+
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
-
-
+sethideing="right"
+snack_head=right
 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
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and sethideing != "left":
+                sethideing="right"
+                snack_head=right
+            if event.key==locals.K_LEFT and sethideing != "right":
+                sethideing="left"
+                snack_head=left
+            if event.key==locals.K_UP and sethideing != "down":
+                sethideing="up"
+                snack_head=up
+            if event.key==locals.K_DOWN and sethideing != "up":
+                sethideing="down"
+                snack_head=down
+            
+    if sethideing=="right":
+        x+=30
+    elif sethideing=="left":
+        x-=30
+    elif sethideing=="up":
+        y-=30
+    else:
+        y+=30
     # 将背景图画上去
     position.append((x,y))
     position.pop(0)
     screen.blit(background, (0, 0))
-    screen.blit(right,position[-1])
+    screen.blit(snack_head,position[-1])
     for i in range(len(position)-1):
         screen.blit(body,position[i])
     # 将贪吃蛇画上去
     # 将贪吃蛇的身体画上去
-   
+    screen.blit(food,(360,300))
     # 刷新画面
     pygame.display.update()
     fbsclock.tick(3)
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