openxr: toggle for space rotate axis lock

src/backend/openxr/playspace.rs

@@ -77,19 +77,20 @@ impl PlayspaceMover {
                 Quat::from_affine3(&(data.pose * state.input_state.pointers[data.hand].raw_pose));
 
             let dq = new_hand * data.hand_pose.conjugate();
-            let rel_y = f32::atan2(
+            let mut space_transform = if state.session.config.space_rotate_unlocked {
-                2.0 * (dq.y * dq.w + dq.x * dq.z),
+                Affine3A::from_quat(dq)
-                (2.0 * (dq.w * dq.w + dq.x * dq.x)) - 1.0,
+            } else {
-            );
+                let rel_y = f32::atan2(
+                    2.0 * (dq.y * dq.w + dq.x * dq.z),
+                    (2.0 * (dq.w * dq.w + dq.x * dq.x)) - 1.0,
+                );
 
-            //let mut space_transform = Affine3A::from_rotation_translation(dq, Vec3::ZERO);
+                Affine3A::from_rotation_y(rel_y)
-            let mut space_transform = Affine3A::from_rotation_y(rel_y);
+            };
             let offset = (space_transform.transform_vector3a(state.input_state.hmd.translation)
                 - state.input_state.hmd.translation)
                 * -1.0;
-            let mut overlay_transform = Affine3A::from_rotation_y(-rel_y);
 
-            overlay_transform.translation = offset;
             space_transform.translation = offset;
 
             data.pose *= space_transform;

src/config.rs

@@ -270,6 +270,9 @@ pub struct GeneralConfig {
 
     #[serde(default = "def_point3")]
     pub pointer_lerp_factor: f32,
+
+    #[serde(default = "def_false")]
+    pub space_rotate_unlocked: bool,
 }
 
 impl GeneralConfig {

src/gui/modular/button.rs

@@ -47,6 +47,7 @@ pub enum HighlightTest {
     AutoRealign,
     NotificationSounds,
     Notifications,
+    RorateLock,
 }
 
 #[derive(Deserialize, Clone)]
@@ -55,6 +56,7 @@ pub enum SystemAction {
     ToggleAutoRealign,
     ToggleNotificationSounds,
     ToggleNotifications,
+    ToggleRotateLock,
     PlayspaceResetOffset,
     PlayspaceFixFloor,
     RecalculateExtent,
@@ -298,6 +300,7 @@ fn modular_button_highlight(
             HighlightTest::AutoRealign => app.session.config.realign_on_showhide,
             HighlightTest::NotificationSounds => app.session.config.notifications_sound_enabled,
             HighlightTest::Notifications => app.session.config.notifications_enabled,
+            HighlightTest::RorateLock => !app.session.config.space_rotate_unlocked,
         };
 
         if lit {
@@ -369,6 +372,19 @@ fn run_system(action: &SystemAction, app: &mut AppState) {
             )
             .submit(app);
         }
+        SystemAction::ToggleRotateLock => {
+            app.session.config.space_rotate_unlocked = !app.session.config.space_rotate_unlocked;
+            Toast::new(
+                ToastTopic::System,
+                format!(
+                    "Space rotate axis lock now {}.",
+                    ENABLED_DISABLED[!app.session.config.space_rotate_unlocked as usize]
+                )
+                .into(),
+                "".into(),
+            )
+            .submit(app);
+        }
         SystemAction::PlayspaceResetOffset => {
             app.tasks
                 .enqueue(TaskType::System(SystemTask::ResetPlayspace));