while( !fQuit ) {

    if( keys[ VK_ESCAPE ] ) fQuit = true;

    if( !fFrozen ) {
      user->movVect[ 0 ] = 0.0f;
      if( keys[ VK_UP ] && ( user->yPosition + user->yHeight / 2.0f <= background->yTop ) ) user->movVect[ 0 ] += 0.3f;
      if( keys[ VK_DOWN ] && ( user->yPosition - user->yHeight / 2.0f >= background->yBottom ) ) user->movVect[ 0 ] -= 0.3f;
      if( !keys[ VK_UP ] && !keys[ VK_DOWN ] ) user->movVect[ 0 ] = 0.0f;

      tball->xPosition += BallVector[ 0 ] * 5 / CurrentFps;
      tball->yPosition += BallVector[ 1 ] * 5 / CurrentFps;

      user->yPosition += ( user->movVect[ 0 ] ) * 5 / CurrentFps;

      cpu->yPosition += ( cpu->movVect[ 0 ] ) * 5 / CurrentFps;
    }

#ifdef PONG_RENDER_CONSOLE
    if( keys[ VK_TAB ] ) {
      fDrawConsole = false;
      fFrozen = false;
    }
    if( keys[ VK_SPACE ] && !fDrawConsole ) {
      fDrawConsole = true;
      fFrozen = true;
      Console->Reset();
    }
#endif

    if( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE )  ) {
      // If there are messages to be handled, handle or dispatch them.
      if ( msg.message == WM_QUIT ) {
        // If the program is asked to quit, quit.
        fQuit = true;
      } else {
        // Else dispatch.
        TranslateMessage( &msg );
        DispatchMessage( &msg );
      }
    } else {
      if( !fFrozen ) {
        Collide( cpu );
        Collide( user );
        ai->think();
      }
      Render( hDC );
      QueryPerformanceCounter( &nPerfCount );
      nNumPerfCounts++;
      nPerfDiff = nPerfCount.QuadPart - nPrevPerfCount.QuadPart;
      CurrentFps = nCountFreq.QuadPart / nPerfDiff;
      nPrevPerfCount = nPerfCount;
    }
  }