Transform

Transform operations: translate, rotate, scale, and mirror applied to a cone.

//! Transform operations: translate, rotate, scale, and mirror applied to a cone.

use cadrum::Solid;
use glam::DVec3;
use std::f64::consts::PI;

fn main() {
    let example_name = std::path::Path::new(file!()).file_stem().unwrap().to_str().unwrap();

    let base = Solid::cone(8.0, 0.0, DVec3::Z, 20.0)
        .color("#888888");

    let solids = [
        // original — reference, no transform
        base.clone(),
        // translate — shift +20 along Z
        base.clone()
            .color("#4a90d9")
            .translate(DVec3::new(40.0, 0.0, 20.0)),
        // rotate — 90° around X axis so the cone tips toward Y
        base.clone()
            .color("#e67e22")
            .rotate_x(PI / 2.0)
            .translate(DVec3::new(80.0, 0.0, 0.0)),
        // scaled — 1.5x from its local origin
        base.clone()
            .color("#2ecc71")
            .scale(DVec3::ZERO, 1.5)
            .translate(DVec3::new(120.0, 0.0, 0.0)),
        // mirror — flip across Z=0 plane so the tip points down
        base.clone()
            .color("#e74c3c")
            .mirror(DVec3::ZERO, DVec3::Z)
            .translate(DVec3::new(160.0, 0.0, 0.0)),
    ];

    let mut f = std::fs::File::create(format!("{example_name}.step")).expect("failed to create file");
    cadrum::io::write_step(&solids, &mut f).expect("failed to write STEP");

    let mut svg = std::fs::File::create(format!("{example_name}.svg")).expect("failed to create SVG file");
    cadrum::io::write_svg(&solids, DVec3::new(1.0, 1.0, 1.0), 0.5, &mut svg).expect("failed to write SVG");
}

• 03_transform.step

• 03_transform.svg