constructor(conf = { list: [] }) {
    super({ type: 'album', ...conf });

    if (!conf.width)
      FFLogger.error({ pos: 'FFAlbum', error: 'This component must enter the width!' });

    this.tweens = [];
    this.children = [];
    this.list = conf.list;
    this.width = conf.width;
    this.height = conf.height;
    this.showCover = conf.showCover;

    this.setDuration(conf.duration);
    this.setTransition(conf.transition);
    this.setTransTime(conf.time || conf.transTime);
  }
FFAlbum - A picture album component that supports multiple switching animation effects

####Example:

    const album = new FFAlbum({
       list: [a01, a02, a03, a04],
       x: 100,
       y: 100,
       width: 500,
       height: 300
   });

@class