From 815eb4bd78b1d7b4fc030258b822daa33d75129b Mon Sep 17 00:00:00 2001
From: galister <22305755+galister@users.noreply.github.com>
Date: Tue, 6 Feb 2024 02:21:43 +0100
Subject: [PATCH] openxr: prevent invalid poses

---
 src/backend/openxr/helpers.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/backend/openxr/helpers.rs b/src/backend/openxr/helpers.rs
index 376c765..bbb76f9 100644
--- a/src/backend/openxr/helpers.rs
+++ b/src/backend/openxr/helpers.rs
@@ -146,7 +146,10 @@ pub(super) fn transform_to_posef(transform: &Affine3A) -> xr::Posef {
     let norm_mat3 = transform
         .matrix3
         .mul_scalar(1.0 / transform.matrix3.x_axis.length());
-    let rotation = Quat::from_mat3a(&norm_mat3).normalize();
+    let mut rotation = Quat::from_mat3a(&norm_mat3).normalize();
+    if !rotation.is_finite() {
+        rotation = Quat::IDENTITY;
+    }
 
     xr::Posef {
         orientation: xr::Quaternionf {