save project

my_game.py

@@ -85,7 +85,9 @@ while True:
             block_list.add(aa)
             block_list.add(aa)
     for sprite in block_list:
     for sprite in block_list:
         sprite.rect.x-=8
         sprite.rect.x-=8
-        screen.blit(aa.image, (sprite.rect.x, sprite.rect.y)) 
+        screen.blit(aa.image, (sprite.rect.x, sprite.rect.y))
+        if sprite.rect.x < 0 - sprite.rect.width:
+            sprite.kill() 
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPS.tick(60)
     FPS.tick(60)
\ No newline at end of file