solidcraft-upstream/vendor/truck-shapeops/examples/punched-cube-shapeops.rs

//! A punched cube generated by shape operator `AND`.

use truck_modeling::*;

fn main() {
    let v = builder::vertex(Point3::origin());
    let e = builder::tsweep(&v, Vector3::unit_x());
    let f = builder::tsweep(&e, Vector3::unit_y());
    let cube = builder::tsweep(&f, Vector3::unit_z());

    let v = builder::vertex(Point3::new(0.5, 0.25, -0.5));
    let w = builder::rsweep(&v, Point3::new(0.5, 0.5, 0.0), Vector3::unit_z(), Rad(7.0));
    let f = builder::try_attach_plane(&[w]).unwrap();
    let mut cylinder = builder::tsweep(&f, Vector3::unit_z() * 2.0);
    cylinder.not();
    let and = truck_shapeops::and(&cube, &cylinder, 0.05).unwrap();
    and.edge_iter().for_each(|edge| {
        let mut curve = edge.curve();
        if let Curve::IntersectionCurve(inter) = &curve {
            if matches! { inter.leader(), Leader::Polyline(_) } {
                let flag = curve.to_bspline_leader(0.01, 0.1, 20);
                println!("{flag}");
            }
        }
        edge.set_curve(curve);
    });

    let json = serde_json::to_vec_pretty(&and).unwrap();
    std::fs::write("punched-cube-shapeops.json", json).unwrap();
}