attenuationY = slider("Attenuation*d", 3);
attenuationZ = slider("Attenuation*d*d", 5);
strength = slider("Strength", 1);
{
Table table = new Table();
table.defaults().space(12);
table.add(useShadow = checkbox(" Use shadow", true));
table.add(useNormals = checkbox(" Use normals", true));
table.add(yInvert = checkbox(" Invert Y", true));
root.add(table).colspan(2).row();
}