private void drawCurrentLocation(Graphics2D g2)
    {
        if ("hide".equals(System.getProperty("info.gridworld.gui.selection")))
            return;
        if (currentLocation != null)
        {
            Point p = pointForLocation(currentLocation);
            g2.drawRect(p.x - cellSize / 2 - 2, p.y - cellSize / 2 - 2,
                cellSize + 3, cellSize + 3);
        }
    }