void CustomLayer::render(const TransformState& state) const { assert(renderFn); CustomLayerRenderParameters parameters; parameters.width = state.getWidth(); parameters.height = state.getHeight(); parameters.latitude = state.getLatLng().latitude; parameters.longitude = state.getLatLng().longitude; parameters.zoom = state.getZoom(); parameters.bearing = -state.getAngle() * util::RAD2DEG; parameters.pitch = state.getPitch(); parameters.altitude = state.getAltitude(); renderFn(context, parameters); }