save project

my_game.py

@@ -88,6 +88,14 @@ while True:
     for sprite in bb:
         sprite.rect.x -= 8
         screen.blit(sprite.image,(sprite.rect.x,sprite.rect.y))
+        if sprite.rect.x<=0-sprite.rect.width:
+            sprite.kill()
+
+
+
+
+
+
     # 障碍物消失
 
     screen.blit(aa.image, (aa.rect.x, aa.rect.y))