Calculate standingMatrix using local floor relative pose transform (#…

…3078)
MozillaReality · Apr 1, 2020 · 44406be · 44406be
1 parent 007d7be
commit 44406be
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/app/src/oculusvr/cpp/DeviceDelegateOculusVR.cpp b/app/src/oculusvr/cpp/DeviceDelegateOculusVR.cpp
@@ -901,6 +901,9 @@ DeviceDelegateOculusVR::StartFrame(const FramePrediction aPrediction) {
                                    device::InlineSession | device::ImmersiveVRSession;
     if (m.predictedTracking.Status & VRAPI_TRACKING_STATUS_POSITION_TRACKED) {
       caps |= device::Position;
+      auto standing = vrapi_LocateTrackingSpace(m.ovr, VRAPI_TRACKING_SPACE_LOCAL_FLOOR);
+      vrb::Vector translation(-standing.Position.x, -standing.Position.y, -standing.Position.z);
+      m.immersiveDisplay->SetSittingToStandingTransform(vrb::Matrix::Translation(translation));
     } else {
       caps |= device::PositionEmulated;
     }