Method draw

src/visualization/stage.cpp:193–229

}

void Stage::draw() {
    auto ordered_components = std::set<Component*, CompareRenderOrder>{};

    // TODO: use camera tags so I can have multiple cameras (useful for drawing
    // GUI)

    const auto camera_it = all_game_objects.find("camera");
    if (camera_it == all_game_objects.end() || !camera_it->second)
        [[unlikely]] {
        std::cerr << "[Error] Camera game object not found" << std::endl;
        return;
    }

    const auto& [camera_name, camera_shared_ptr] = *camera_it;
    const auto camera_obj = camera_shared_ptr.get();
    const auto camera_component_opt =
        camera_obj->get_component<Camera>("camera_component");

    if (!camera_component_opt.has_value()) [[unlikely]] {
        std::cerr << "[Error] Camera component not found" << std::endl;
        return;
    }

    const auto& camera_component = camera_component_opt->get();
    const auto view_inv = camera_obj->get_pose().inv();

    for (const auto& game_obj : all_game_objects | std::views::values) {
        for (const auto& component :
             game_obj->get_components() | std::views::values) {
            ordered_components.insert(component.get());
        }
    }

    for (const auto& component : ordered_components) {
        component->draw(camera_component.projection(), view_inv);
    }
}

void Stage::scroll_callback(const float delta) const {
    const auto camera_component_opt = get_camera_component(all_game_objects);