Eegeo::Streaming::IStreamingVolume& MobileExampleApp::GetUpdatedStreamingVolume(const Eegeo::Camera::CameraState& cameraState,
const Eegeo::Camera::RenderCamera& renderCamera)
{
std::vector<Eegeo::Geometry::Plane> frustumPlanes(Eegeo::Geometry::Frustum::PLANES_COUNT);
BuildFrustumPlanesFromViewProjection(frustumPlanes, renderCamera.GetViewProjectionMatrix());
const double d = renderCamera.GetAltitude() * Eegeo::Streaming::StreamingVolumeController::CAMERA_ALTITUDE_TO_FAR_PLANE_DISTANCE_MULTIPLIER;
const double cameraFarPlaneD = fmin(fmax(d, Eegeo::Streaming::StreamingVolumeController::MIN_STREAMING_FAR_PLANE_DISTANCE),
frustumPlanes[Eegeo::Geometry::Frustum::PLANE_FAR].d);
frustumPlanes[Eegeo::Geometry::Frustum::PLANE_FAR].d = static_cast<float>(cameraFarPlaneD);
m_pStreamingVolume->updateStreamingVolume(renderCamera.GetEcefLocation(), frustumPlanes, renderCamera.GetFOV());
m_pStreamingVolume->ResetVolume(cameraState.InterestPointEcef());
return *m_pStreamingVolume;
}
void VRCameraStreamingController::UpdateStreamingVolume()
{
Eegeo::Camera::CameraState cameraState(m_vrRenderCamera.GetCameraState());
Eegeo::Camera::RenderCamera& renderCamera = m_vrRenderCamera.GetCamera();
std::vector<Eegeo::Geometry::Plane> frustumPlanes(Eegeo::Geometry::Frustum::PLANES_COUNT);
BuildFrustumPlanesFromViewProjection(frustumPlanes, renderCamera.GetViewProjectionMatrix());
const double d = renderCamera.GetAltitude() * Eegeo::Streaming::StreamingVolumeController::CAMERA_ALTITUDE_TO_FAR_PLANE_DISTANCE_MULTIPLIER;
const double cameraFarPlaneD = fmin(fmax(d, Eegeo::Streaming::StreamingVolumeController::MIN_STREAMING_FAR_PLANE_DISTANCE), frustumPlanes[Eegeo::Geometry::Frustum::PLANE_FAR].d);
frustumPlanes[Eegeo::Geometry::Frustum::PLANE_FAR].d = static_cast<float>(cameraFarPlaneD);
//Workaround: added 100.0f to FOV to load textures for surroundings even when camera is not looking at it to fix interior loading crash.
//m_pStreamingVolume->updateStreamingVolume(renderCamera.GetEcefLocation(), frustumPlanes, renderCamera.GetFOV());
m_pStreamingVolume->updateStreamingVolume(renderCamera.GetEcefLocation(), frustumPlanes, renderCamera.GetFOV()+100.0f);
m_pStreamingVolume->ResetVolume(cameraState.InterestPointEcef());
}
