code: function (evt) {
      var currentIntersection;
      var cursorEl = this.el;
      var index;
      var intersectedEl;
      var intersection;
  
      // Select closest object, excluding the cursor.
      index = evt.detail.els[0] === cursorEl ? 1 : 0;
      intersection = evt.detail.intersections[index];
      intersectedEl = evt.detail.els[index];
  
      // If cursor is the only intersected object, ignore the event.
      if (!intersectedEl) { return; }
  
      // Already intersecting this entity.
      if (this.intersectedEl === intersectedEl) { return; }
  
      // Ignore events further away than active intersection.
      if (this.intersectedEl) {
        currentIntersection = this.el.components.raycaster.getIntersection(this.intersectedEl);
        if (currentIntersection && currentIntersection.distance <= intersection.distance) { return; }
      }
  
      // Unset current intersection.
      this.clearCurrentIntersection(true);
  
      this.setIntersection(intersectedEl, intersection);
    }
docs: Handle intersection.