lighttroupe/luz-next

class GuiDirectorRenderer < GuiUserObjectRenderer
    ENTER_EXIT_PROGESS_COLOR = [1.0,1.0,0.0,0.8]

    attr_accessor :gui_enter_exit_progress        # (for animate below)

    def gui_render
        return if hidden?

        with_gui_object_properties {
            # Render as cached image
            @object.with_image {
                unit_square
            }

            with_translation(-0.23, -0.5 + 0.1) {
                with_scale(0.5,0.1) {
                    gui_render_label
                }
            }
        }
    end

    def gui_tick
        @object.update_offscreen_buffer! if update_offscreen_buffer?
    end

    #
    # cached rendering (for live previews)
    #
    def update_offscreen_buffer?
        return true if pointer_hovering? || selected?

        directors = $engine.project.directors
        index = directors.index(@object)
        count = directors.count

        ($env[:frame_number] % count) == index        # prevent rendering thumbnails too often
    end
end