aframe-gui/examples/visualizer/third-party/components/audioanalyser-volume-bind.js

A-Frame GUI components

/**
 *
 */
AFRAME.registerComponent('audioanalyser-volume-bind', {
  schema: {
    analyserEl: {type: 'selector'},
    component: {type: 'string'},
    property: {type: 'string'},
    max: {type: 'number'},
    multiplier: {type: 'number'},
  },

  tick: function () {
    var analyserComponent;
    var data = this.data;
    var el = this.el;
    var value;

    analyserComponent = data.analyserEl.components.audioanalyser;
    if (!analyserComponent.analyser) { return; }

    value = Math.min(data.max, analyserComponent.volume * data.multiplier);
    el.setAttribute(data.component, data.property, value);
  }
});