Method Update

Plugins/NativeXr/Source/NativeXr.cpp:664–700

            }

            void Update(const Napi::CallbackInfo& info, const xr::System::Session::Frame::Space& space, gsl::span<const xr::System::Session::Frame::View> views)
            {
                // Update the transform.
                m_transform.Update(space, true);

                // Update the views array if necessary.
                const auto oldSize = static_cast<uint32_t>(m_views.size());
                const auto newSize = static_cast<uint32_t>(views.size());
                if (oldSize != newSize)
                {
                    auto newViews = Napi::Array::New(m_jsViews.Env(), newSize);
                    m_views.resize(newSize);

                    for (uint32_t idx = 0; idx < newSize; ++idx)
                    {
                        if (idx < oldSize)
                        {
                            newViews.Set(idx, m_jsViews.Value().Get(idx));
                        }
                        else
                        {
                            newViews.Set(idx, XRView::New(info));
                        }

                        m_views[idx] = XRView::Unwrap(newViews.Get(idx).As<Napi::Object>());
                    }

                    m_jsViews = Napi::Persistent(newViews);
                }

                // Update the individual views.
                for (uint32_t idx = 0; idx < static_cast<uint32_t>(views.size()); ++idx)
                {
                    const auto& view = views[idx];
                    m_views[idx]->Update(idx, CreateProjectionMatrix(view), view.Space);
                }
            }

        private:
            Napi::ObjectReference m_jsTransform{};