save project

snake.py

@@ -20,7 +20,7 @@ while True:
             exit()
             exit()
     x+=30
     x+=30
     # 将背景图画上去
     # 将背景图画上去
-    screen.blit(background, (0, 0))
+    screen.blit(background, (x, y))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
     screen.blit(right, (240, 120))
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去