Method tick

aspen/src/application.rs:66–83

(&mut self, window: &'a dyn ContextWindow, event_loop: &'a dyn ContextEventLoop)

    }

    pub fn tick<'a>(&mut self, window: &'a dyn ContextWindow, event_loop: &'a dyn ContextEventLoop) -> Option<Scene> {
        self.refresh_tokens();
        let mut redraw_requested = self.process_mouse_regions(window, event_loop);
        redraw_requested |= self.update(window, event_loop);

        let drawn_scene = if redraw_requested || self.force_redraw {
            let child_lookup = self.layout(window, event_loop);
            let scene = self.draw(child_lookup, window, event_loop);

            Some(scene)
        } else {
            None
        };

        self.event_state.next_frame();

        drawn_scene
    }

    pub fn refresh_tokens(&mut self) {
        let root = self.root.borrow();