/**
 * 再玩一次类
 * @property {object} lib 库对象
 * @property {object} btnAgain 面板元素对象
 */
function Again() {
  this.lib = library;

  this.btnAgain = null;
}

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

// 初始化
Again.prototype.init = function () {
  this.showAgainBtn();
};

// 渲染背景面板
Again.prototype.showAgainBtn = function () {
  const lib = this.lib;
  const btnAgain = new lib.btnAgain();
  btnAgain.x = lib.properties.width / 2;
  btnAgain.y = lib.properties.height / 2 + 150;
  this.btnAgain = btnAgain;
  this.btnAgain.addEventListener(
    'click',
    function () {
      if (config.mode === 0) {
        againMessage();
      } else {
        location.reload();
      }
    },
    false,
  );
  stage.addChild(btnAgain);
};