bevy_codex/splash/
systems.rs

1use bevy::{prelude::*, window::PrimaryWindow};
2use bevy_lunex::{
3    prelude::{MainUi, Rl, UiNodeTreeInitTrait, UiTree},
4    Base, MovableByCamera, PackageLayout, UiImage2dBundle, UiLayout, UiLink, UiTreeBundle,
5};
6
7use super::components::{SplashScreen, SplashTimer};
8use crate::{main_menu::components::MainMenu, UiState};
9
10pub fn build_splash(
11    mut commands: Commands,
12    assets: Res<AssetServer>,
13    window: Query<&Window, With<PrimaryWindow>>,
14    query: Query<Entity, Added<SplashScreen>>,
15) {
16    for route_entity in &query {
17        if let Ok(resolution) = window.get_single() {
18            let r_size = (resolution.width(), resolution.height());
19            commands
20                .entity(route_entity)
21                .insert(SpatialBundle::default())
22                .with_children(|route| {
23                    route
24                        .spawn((
25                            UiTreeBundle::<MainUi>::from(UiTree::new2d("MainMenu")),
26                            MovableByCamera,
27                        ))
28                        .with_children(|ui| {
29                            let root = UiLink::<MainUi>::path("Root");
30                            ui.spawn((
31                                root.clone(),
32                                UiLayout::window().size(r_size).pack::<Base>(),
33                            ));
34                            // Spawn the background
35                            ui.spawn((
36                                UiLink::<MainUi>::path("Background"), // You can see here that we used existing "root" link to create chained link (same as "Root/Background")
37                                UiLayout::boundary()
38                                    .pos1(Rl(40.0))
39                                    .pos2(Rl(60.0))
40                                    .pack::<Base>(),
41                                UiImage2dBundle::from(assets.load("branding/icon.png")), // We use this bundle to add background image to our node
42                            ));
43                        });
44                });
45        }
46    }
47}
48pub fn count_down(
49    mut commands: Commands,
50    mut state: ResMut<NextState<UiState>>,
51    mut timer: ResMut<SplashTimer>,
52    splash: Query<Entity, With<SplashScreen>>,
53    time: Res<Time>,
54) {
55    timer.0.tick(time.delta());
56    if timer.finished() {
57        state.set(UiState::MainMenu);
58        for route_entity in &splash {
59            println!("despawn splash");
60            commands.entity(route_entity).despawn_recursive();
61        }
62        commands.spawn(MainMenu);
63    }
64}
bevy_codex/splash/systems.rs

bevy_codex/splash/
systems.rs
