only add hand resource if we support the ext

2023-11-08 14:21:03 -05:00
parent 4f9b57f6b9
commit de0807d308
1 changed files with 5 additions and 2 deletions
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -144,8 +144,11 @@ impl Plugin for OpenXrPlugin {
                .insert_resource(input.clone())
                .insert_resource(views.clone())
                .insert_resource(frame_state.clone())
-                .insert_resource(action_sets.clone())
-                .insert_resource(HandTrackingTracker::new(&session).unwrap());
+                .insert_resource(action_sets.clone());
+            let hands = xr_instance.exts().ext_hand_tracking.is_some();
+            if hands {
+                app.insert_resource(HandTrackingTracker::new(&session).unwrap());
+            }

            let (left, right) = swapchain.get_render_views();
            let left = ManualTextureView {