public override void Activity(bool firstTimeCalled)
 {
     if (!IsPaused)
     {
         PongBallInstance.Activity();
         Border1Instance.Activity();
         Border2Instance.Activity();
         Border3Instance.Activity();
         Player1Instance.Activity();
         Player2Instance.Activity();
         HUDInstance.Activity();
         HUD2Instance.Activity();
     }
     else
     {
     }
     base.Activity(firstTimeCalled);
     if (!IsActivityFinished)
     {
         CustomActivity(firstTimeCalled);
     }
 }