Method update

perro_source/runtime_project/perro_runtime/src/runtime.rs:724–738

(&mut self, delta_time: f32)

            scene_resource_refs_dirty: true,
            scene_resource_refs_scratch: SceneResourceRefsScratch::default(),
            resource_event_scan_pending: false,
            pending_material_invalidations: Vec::new(),
            camera_stream_node_scratch: perro_render_bridge::empty_arc_slice(),
            dirty_world_scratch: AHashSet::new(),
            stream_node_scratch: Vec::new(),
            camera_postfx_cache: AHashMap::new(),
            camera_stream_active: AHashSet::new(),
            stream_retention: world_state::StreamRetention::default(),
            ui_stream_render_info: AHashMap::new(),
            pending_camera_capture_removals: Vec::new(),
            world_membership: RefCell::new(WorldMembershipCache::default()),
            vis_memo: RefCell::new(world_state::VisibilityModulateMemo::default()),
            dirty: DirtyState::new(),
            transforms: TransformRuntimeState::new(),
            internal_updates: InternalUpdateState::new(),
            render_2d: Render2DState::new(),
            render_3d: Render3DState::new(),
            mesh_surface_scratch: Vec::new(),