text: AFRAME.registerComponent('size-change', {
      init() {
          this.bindMethods();
          this.el.sceneEl.addEventListener('sliderchanged', this.onSliderChanged);
      },
      bindMethods: function() {
          this.onSliderChanged = this.onSliderChanged.bind(this);
      },
      onSliderChanged(e) {
          const scale = e.detail.value;
          this.el.object3D.scale.set(scale, scale, scale);
      }
  })