public void zoom(ScrollEvent scrollEvent) {

        if (scrollEvent.getDeltaY() < 0) {
            zoomLevel -= 0.01;
        } else {
            zoomLevel += 0.01;
        }
        plancheDeJeuHockey.setScaleX(zoomLevel);
        plancheDeJeuHockey.setScaleY(zoomLevel);
        pourcentageZoom.setText(new DecimalFormat("###.##").format(zoomLevel * 100) + "%");

    }