line.redraw();
box.setX(rect.getX());
box.setY(rect.getY());
box.setWidth(rect.getWidth());
box.setHeight(rect.getHeight());
box.redraw();
sprite.setTranslation(labelPoint.getX(), labelPoint.getY());
sprite.redraw();
}
} else if (labelPosition == LabelPosition.END) {
rho = Math.sqrt(x * x + y * y) * 2.0;