save project

snake.py

@@ -73,6 +73,9 @@ while True:
     text = my_font.render(info,True,(0,0,0))
     text = my_font.render(info,True,(0,0,0))
     screen.blit(text,(500,10))
     screen.blit(text,(500,10))
     # 将果实画上去
     # 将果实画上去
+    if x<0 or x>630 or y<0 or y>450:
+        score=0
+        exit()
     screen.blit(food, (apple_x, apple_y))
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()