又一导航菜单的代码分析[7]

       this._yscale = next_scale;

       this._alpha = next_alpha;       //定义剪辑的透明度

       }

this._xscale = min_scale;    //这里应该是影片剪辑回到初始的设置状态

this._yscale = min_scale;

this._alpha = min_alpha;