A-Frame component - which-controller-present

gistfile1.txt

// by: @machenmusik

AFRAME.registerComponent('which-controller-present', {
    init: function () {
      this.el.addEventListener('componentinitialized', (function (evt) {
        if (evt.detail.name !== 'tracked-controls') { return; }
        // Determine which, if any, higher level controller component says controllerPresent.
        // WARNING!  If a dummy tracked-controls instance is already present,
        // then componentinitialized may not fire for true injection!
        Object.keys(this.el.components).forEach((name) => {
          const component = this.el.components[name];
          if (component.controllerPresent) {
            // Log name, component data, and tracked-controls data.
            console.log(name + ' ' +  JSON.stringify(component.data) + ' => ' + JSON.stringify(event.detail.data));
            
            // Emit controllerpresent event.
            this.el.emit('controllerpresent', {name: name, component: component});
          }
        });
      }).bind(this));
    }
  });