// 音频处理类;
function Sound() {
  this.lib = library;

  this.music = {};
}

Sound.of = (function () {
  let instance = null;
  return function () {
    if (!instance) {
      instance = new Sound();
    }
    instance.init();
    return instance;
  };
})();

Sound.prototype.init = function () {
  createjs.Sound.alternateExtensions = ['wav'];
  const sounds = [
    { src: 'sounds/beijing.wav', id: 'bgm' },
    { src: 'sounds/daqiu.wav', id: 'daqiu' },
    { src: 'sounds/jinqiu.wav', id: 'jinqiu' },
  ];
  const _this = this;
  createjs.Sound.addEventListener('fileload', function (event) {
    _this.music[event.id] = createjs.Sound.createInstance(event.id);
  });
  createjs.Sound.registerSounds(sounds, './');
  this.playBgm();
};

Sound.prototype.playBgm = function () {
  this.music.bgm && this.music.bgm.play({ loop: -1, volume: 0.3 }); // 播放背景音乐
};

Sound.prototype.playda = function (direction) {
  if (direction === 0) {
    this.music.daqiu && this.music.daqiu.play();
  }
};

Sound.prototype.playjin = function () {
  this.music.jinqiu && this.music.jinqiu.play();
};

// let music = {};
// function initSound() {
//   createjs.Sound.alternateExtensions = ['mp3'];
//   const sounds = [
//     { src: 'public/sounds/bgmMusic.mp3', id: 'bgm' },
//     { src: 'public/sounds/excitationMusic.mp3', id: 'excitation' },
//     { src: 'public/sounds/amazing.mp3', id: 'amazing' },
//     { src: 'public/sounds/unbelievable.mp3', id: 'unbelievable' },
//   ];
//   createjs.Sound.addEventListener('fileload', function (event) {
//     music[event.id] = createjs.Sound.createInstance(event.id);
//   });
//   createjs.Sound.registerSounds(sounds, '../../');
// }