Run(){
            if(this._timerID > -1){
                return;
            }
            let time = 1000 / (this._fps);
            this._gameClock.Start();
            this._timerID = setInterval(()=>{
                if(this._gameClock.ElapsedMilliseconds >= time){
                    this._gameClock.Restart();
                    this.Update();
                    this.Draw();
                }
            },16);
        }