save project

snake.py

@@ -13,11 +13,26 @@ 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')
+down=pygame.image.load('down.png')
+up=pygame.image.load('up.png')
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 
+setheading=right
+
+
+if event.key==locus.K_UPand setheading != "down"
+    setheading='up'
+    snake_head
+K_DOWN
+
+K_RIGHT
+
+K_LEFT
 while True:
     for event in pygame.event.get():
+        print()
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()