boxddd 0.3.0

Safe, ergonomic Rust bindings for Box3D
Documentation 
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use boxddd::{BodyDef, BodyType, Recording, ShapeDef, Sphere, World, WorldDef};

#[test]
fn replay_validation_is_explicit_about_worker_count() {
    let mut world = World::new(
        WorldDef::builder()
            .gravity([0.0, -9.8, 0.0])
            .build()
            .unwrap(),
    )
    .unwrap();
    let mut recording = Recording::new().unwrap();
    let mut session = world.record(&mut recording).unwrap();
    let body = session
        .world()
        .create_body(
            BodyDef::builder()
                .body_type(BodyType::Dynamic)
                .position([0.0, 2.0, 0.0])
                .build()
                .unwrap(),
        )
        .unwrap();
    session
        .world()
        .create_sphere_shape(
            body,
            &ShapeDef::builder().density(1.0).build().unwrap(),
            &Sphere::new([0.0, 0.0, 0.0], 0.25),
        )
        .unwrap();
    for _ in 0..6 {
        session.world().step(1.0 / 60.0, 4).unwrap();
    }
    session.finish().unwrap();

    assert!(recording.validate_replay(1).unwrap());
    let mut player = recording.create_player(1).unwrap();
    assert_eq!(player.info().unwrap().worker_count, 1);
    player.set_worker_count(1).unwrap();
    player.restart().unwrap();
    while player.step_frame().unwrap() {}
    assert!(!player.has_diverged().unwrap());
}