From de0807d308d5acbf14e17f5f32106da704980f1e Mon Sep 17 00:00:00 2001
From: Jay Christy <fortehlose@gmail.com>
Date: Wed, 8 Nov 2023 14:21:03 -0500
Subject: [PATCH] only add hand resource if we support the ext

---
 src/lib.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 494d25f..888d730 100644
--- 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 {