 "bloomRadius", 0.1, 2.0).name("bloomRadius").listen();
      bloom.open();

      let color = gui.addFolder("Colors");
      color.addColor(options, "color0").name("ball0");
      color.addColor(options, "color1").name("ball1");
      color.addColor(options, "color2").name("ball2");
      color.addColor(options, "color4").name("steam");
      color.addColor(options, "color5").name("trail");
      color.open();
      gui.close();

      let scene,
        camera,
        renderer,
        controls,
        