private static void paint(final Graphics2D g2d, final float size) {
final Path2D.Float path = new Path2D.Float();
for (float angle = 1f / 3f; angle <= 90f; angle += 1f) {
double angRad = Math.toRadians(angle);
double cos = Math.cos(angRad);
double sin = Math.sin(angRad);
path.reset();
path.moveTo(5f * cos, 5f * sin);
path.lineTo(size * cos, size * sin);
g2d.draw(path);
}
}
