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feat: replace Axes with cube wireframe representation for tracked nodes in reify

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MayaTheShy
2025-11-08 15:06:16 -05:00
parent 252c33a378
commit 1a064440fb
1 changed files with 25 additions and 5 deletions
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30
bridge/src/lib.rs
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@@ -10,7 +10,7 @@ use glam::Mat4;
use stardust_xr_asteroids as ast; // alias for brevity
use stardust_xr_asteroids::{
client::ClientState,
elements::{PlaySpace, Axes},
elements::{PlaySpace, Lines},
Migrate, Reify,
};
use stardust_xr_asteroids::{CustomElement, Transformable};
@@ -53,15 +53,35 @@ impl ClientState for BridgeState {
impl Reify for BridgeState {
fn reify(&self) -> impl ast::Element<Self> {
// Root playspace. Attach a visible Axes element per tracked node id.
// Root playspace. Attach a visible cube wireframe per tracked node id.
let children = self.nodes.iter().map(|(id, node)| {
// Decompose transform into TRS
let (scale, rot, trans) = node.transform.to_scale_rotation_translation();
// Make axes much larger and visible: default is 1cm, scale up to 20cm
let vis_scale = glam::Vec3::splat(20.0) * scale.x;
// Visible cube size: 20cm, scaled by node scale
let vis_scale = glam::Vec3::splat(0.20) * scale.x;
// Build cube edges as 12 line segments
use stardust_xr_molecules::lines::{line_from_points, LineExt};
use stardust_xr_fusion::values::color::rgba_linear;
let t = 0.004; // thickness
let c = rgba_linear!(0.8, 0.8, 0.9, 1.0);
let hs = 0.5f32; // half size in model space (unit cube)
let mut seg = |a: [f32;3], b: [f32;3]| {
line_from_points(vec![a, b]).thickness(t).color(c)
};
let corners = [
[-hs, -hs, -hs], [ hs, -hs, -hs], [ hs, hs, -hs], [-hs, hs, -hs],
[-hs, -hs, hs], [ hs, -hs, hs], [ hs, hs, hs], [-hs, hs, hs],
];
// Edges: 0-1-2-3-0 (bottom), 4-5-6-7-4 (top), verticals 0-4,1-5,2-6,3-7
let lines = vec![
seg(corners[0], corners[1]), seg(corners[1], corners[2]), seg(corners[2], corners[3]), seg(corners[3], corners[0]),
seg(corners[4], corners[5]), seg(corners[5], corners[6]), seg(corners[6], corners[7]), seg(corners[7], corners[4]),
seg(corners[0], corners[4]), seg(corners[1], corners[5]), seg(corners[2], corners[6]), seg(corners[3], corners[7]),
];
(
*id,
Axes::default()
Lines::new(lines)
.pos([trans.x, trans.y, trans.z])
.rot([rot.x, rot.y, rot.z, rot.w])
.scl([vis_scale.x, vis_scale.y, vis_scale.z])