save project

snake.py

@@ -12,6 +12,9 @@ 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)]
 while True:
@@ -19,18 +22,20 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        if event.type==locals.KEYOWN:
+            if event.key==locals.k_RIGHT and 
     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))
+    screen.blit(right, (position[-1]))
     # 将贪吃蛇的身体画上去
-    #screen.blit(body, (210, 120))
-    #screen.blit(body, (180, 120))
-    #screen.blit(body, (180, 90))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    Clock.
\ No newline at end of file
+    Clock.tick(3)
\ No newline at end of file