whs.js/modules/AudioModule.js

/* Built for whs v2.1.9 */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('three')) :
  typeof define === 'function' && define.amd ? define(['three'], factory) :
  (global.AudioModule = factory(global.THREE));
}(this, (function (three) { 'use strict';

  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };

  var createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  /**
   * @class PositionalAudioModule
   * @category modules/extra
   * @param {Object} [params={loop: true}] - The parameters object.
   * @memberof module:modules/extra
   * @example <caption>How to create and apply a PositionalAudioModule</caption>
   * const fogModule = const audioModule = new AudioModule({
   *   loop: true
   * });
   *
   * new Sphere({
   *   ...,
   *   modules: [
   *     audioModule
  *    ]
   * };
   */

  var PositionalAudioModule = function () {
    function PositionalAudioModule() {
      var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      classCallCheck(this, PositionalAudioModule);
      this.bridge = {
        mesh: function mesh(_mesh, self) {
          _mesh.add(self.positionalAudio);
          return _mesh;
        }
      };

      this.params = Object.assign({
        loop: true
      }, params);

      this.audioListener = new three.AudioListener();
      this.audioLoader = new three.AudioLoader();

      this.positionalAudio = new three.PositionalAudio(this.audioListener);
      this.positionalAudio.setLoop(this.params.loop);
    }

    /**
     * @method addListener
     * @description Adds the listener of this audio source, usually the camera, origin of the user perspective
     * @param {Object} object The listener object
     * @memberof module:modules/extra.PositionalAudioModule
     */


    createClass(PositionalAudioModule, [{
      key: 'addListener',
      value: function addListener(object) {
        object.native.add(this.audioListener);
      }

      /**
       * @method play
       * @description Plays the given sound
       * @param {String} path The path to the sound file
       * @memberof module:modules/extra.PositionalAudioModule
       */

    }, {
      key: 'play',
      value: function play(path) {
        var sound = this.positionalAudio;

        this.audioLoader.load(path, function (buffer) {
          sound.setBuffer(buffer);
          sound.setRefDistance(50);
          sound.play();
        });
      }
    }]);
    return PositionalAudioModule;
  }();

  return PositionalAudioModule;

})));
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