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feat: ipd label

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This commit is contained in:
galister
2024-03-28 11:51:10 +01:00
parent 1438d3e7eb
commit 810c0cac63
5 changed files with 39 additions and 3 deletions
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6
src/backend/openxr/helpers.rs
View File

@@ -109,10 +109,12 @@ pub(super) unsafe fn create_overlay_session(
}
}
pub(super) fn hmd_pose_from_views(views: &[xr::View]) -> Affine3A {
pub(super) fn hmd_pose_from_views(views: &[xr::View]) -> (Affine3A, f32) {
let ipd;
let pos = {
let pos0: Vec3 = unsafe { std::mem::transmute(views[0].pose.position) };
let pos1: Vec3 = unsafe { std::mem::transmute(views[1].pose.position) };
ipd = (pos0.distance(pos1) * 1000.0).round() * 0.1;
(pos0 + pos1) * 0.5
};
let rot = {
@@ -121,7 +123,7 @@ pub(super) fn hmd_pose_from_views(views: &[xr::View]) -> Affine3A {
quat_lerp(rot0, rot1, 0.5)
};
Affine3A::from_rotation_translation(rot, pos)
(Affine3A::from_rotation_translation(rot, pos), ipd)
}
fn quat_lerp(a: Quat, mut b: Quat, t: f32) -> Quat {

3
src/backend/openxr/mod.rs
View File

@@ -220,7 +220,8 @@ pub fn openxr_run(running: Arc<AtomicBool>) -> Result<(), BackendError> {
&xr_state.stage,
)?;
app_state.input_state.hmd = helpers::hmd_pose_from_views(&views);
(app_state.input_state.hmd, app_state.input_state.ipd) =
helpers::hmd_pose_from_views(&views);
overlays
.iter_mut()