math2 0.0.2

Geometry, layout and rasterization utilities powering the Grida canvas
Documentation 
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use math2::{
    AxisAlignedPoint, Snap1DResult, Snap2DAxisConfig, axis_locked_by_dominance, movement_normalize,
    snap1d, snap2d_axis_aligned,
};

#[test]
fn snap1d_basic() {
    let r = snap1d(&[8.0], &[0.0, 10.0], 5.0, 0.0);
    assert_eq!(r.distance, 2.0);
    assert_eq!(r.hit_agent_indices, vec![0]);
    assert_eq!(r.hit_anchor_indices, vec![1]);
}

#[test]
fn snap2d_axis() {
    let agents = [[5.0, 5.0]];
    let anchors: [AxisAlignedPoint; 2] = [(Some(10.0), Some(5.0)), (None, Some(2.0))];
    let res = snap2d_axis_aligned(
        &agents,
        &anchors,
        Snap2DAxisConfig {
            x: Some(6.0),
            y: Some(4.0),
        },
        0.0,
    );
    assert!(res.x.is_some());
    assert!(res.y.is_some());
}

#[test]
fn movement_helpers() {
    let v = movement_normalize((Some(2.0), None));
    assert_eq!(v, [2.0, 0.0]);
    let locked = axis_locked_by_dominance((Some(3.0), Some(1.0)));
    assert_eq!(locked, (Some(3.0), None));
}