QgsChunkedEntity::SceneState _sceneState( QgsCameraController *cameraController )
{
Qt3DRender::QCamera *camera = cameraController->camera();
QgsChunkedEntity::SceneState state;
state.cameraFov = camera->fieldOfView();
state.cameraPos = camera->position();
QRect rect = cameraController->viewport();
state.screenSizePx = std::max( rect.width(), rect.height() ); // TODO: is this correct?
state.viewProjectionMatrix = camera->projectionMatrix() * camera->viewMatrix();
return state;
}
