code: function(){
  
      var self = this;
  
      var camera = self.el.sceneEl.camera;
  
      if(camera) {
  
          var camera_rotation = camera.el.getAttribute("rotation");
  
          var camera_yaw = camera_rotation.y;
  
          // Set position of menu based on camera yaw and data.pitch
  
          // Have to add 1.6m to camera.position.y (????)
  
          self.y_position = camera.position.y + 1.6;
          self.x_position = -self.data.distance * Math.sin(camera_yaw * Math.PI / 180.0);
          self.z_position = -self.data.distance * Math.cos(camera_yaw * Math.PI / 180.0);
  
          self.el.setAttribute("position", [self.x_position, self.y_position, self.z_position].join(" "));
  
          // and now, make our controls rotate towards origin
  
          this.el.object3D.lookAt(new THREE.Vector3(camera.position.x, camera.position.y + 1.6, camera.position.z));
  
      }
  
    }
docs: Puts the control in from of the camera, at this.data.distance, facing it...