shortcut/
shortcut.rs

1use std::time::Duration;
2
3use bevy::app::AppExit;
4use bevy::log::LogPlugin;
5use bevy::winit::WinitPlugin;
6use bevy::{app::ScheduleRunnerPlugin, prelude::*};
7use bevy_ratatui::event::KeyEvent;
8use bevy_ratatui::RatatuiPlugins;
9use bevy_ratatui_render::{RatatuiRenderContext, RatatuiRenderPlugin};
10use crossterm::event::{KeyCode, KeyEventKind};
11
12#[derive(Component)]
13pub struct Cube;
14
15fn main() {
16    App::new()
17        .add_plugins((
18            DefaultPlugins
19                .set(ImagePlugin::default_nearest())
20                .disable::<WinitPlugin>()
21                .disable::<LogPlugin>(),
22            ScheduleRunnerPlugin::run_loop(Duration::from_secs_f64(1. / 60.)),
23            RatatuiPlugins::default(),
24            RatatuiRenderPlugin::new("main", (256, 256))
25                .print_full_terminal()
26                .autoresize(),
27        ))
28        .insert_resource(ClearColor(Color::BLACK))
29        .add_systems(Startup, setup_scene_system)
30        .add_systems(Update, handle_input_system)
31        .add_systems(Update, rotate_cube_system.after(handle_input_system))
32        .run();
33}
34
35fn setup_scene_system(
36    mut commands: Commands,
37    mut meshes: ResMut<Assets<Mesh>>,
38    mut materials: ResMut<Assets<StandardMaterial>>,
39    ratatui_render: Res<RatatuiRenderContext>,
40) {
41    commands.spawn((
42        Cube,
43        Mesh3d(meshes.add(Cuboid::default())),
44        MeshMaterial3d(materials.add(StandardMaterial {
45            base_color: Color::srgb(0.4, 0.54, 0.7),
46            ..Default::default()
47        })),
48    ));
49    commands.spawn((
50        Mesh3d(meshes.add(Cuboid::new(15., 15., 1.))),
51        Transform::from_xyz(0., 0., -6.),
52    ));
53    commands.spawn((
54        PointLight {
55            shadows_enabled: true,
56            ..Default::default()
57        },
58        Transform::from_xyz(3., 4., 6.),
59    ));
60    commands.spawn((
61        Camera3d::default(),
62        Camera {
63            target: ratatui_render.target("main").unwrap(),
64            ..default()
65        },
66        Transform::from_xyz(3., 3., 3.).looking_at(Vec3::ZERO, Vec3::Z),
67    ));
68}
69
70pub fn handle_input_system(mut rat_events: EventReader<KeyEvent>, mut exit: EventWriter<AppExit>) {
71    for key_event in rat_events.read() {
72        if let KeyEventKind::Press | KeyEventKind::Repeat = key_event.kind {
73            if let KeyCode::Char('q') = key_event.code {
74                exit.send_default();
75            }
76        }
77    }
78}
79
80fn rotate_cube_system(time: Res<Time>, mut cube: Query<&mut Transform, With<Cube>>) {
81    cube.single_mut().rotate_z(time.delta_secs());
82}
shortcut/shortcut.rs

shortcut/
shortcut.rs
