resize/
resize.rs

1use std::time::Duration;
2
3use bevy::app::AppExit;
4use bevy::app::ScheduleRunnerPlugin;
5use bevy::log::LogPlugin;
6use bevy::prelude::*;
7use bevy::winit::WinitPlugin;
8use bevy_ratatui::event::KeyEvent;
9use bevy_ratatui::RatatuiPlugins;
10use bevy_ratatui_render::{RatatuiRenderContext, RatatuiRenderPlugin};
11use crossterm::event::{KeyCode, KeyEventKind};
12
13#[derive(Component)]
14pub struct Cube;
15
16fn main() {
17    App::new()
18        .add_plugins((
19            DefaultPlugins
20                .set(ImagePlugin::default_nearest())
21                .disable::<WinitPlugin>()
22                .disable::<LogPlugin>(),
23            ScheduleRunnerPlugin::run_loop(Duration::from_secs_f64(1. / 60.)),
24            RatatuiPlugins::default(),
25            RatatuiRenderPlugin::new("main", (256, 256))
26                .print_full_terminal()
27                .autoresize()
28                .autoresize_conversion_fn(|(width, height)| (width * 4, height * 3)),
29        ))
30        .insert_resource(ClearColor(Color::BLACK))
31        .add_systems(Startup, setup_scene_system)
32        .add_systems(Update, handle_input_system)
33        .add_systems(Update, rotate_cube_system.after(handle_input_system))
34        .run();
35}
36
37fn setup_scene_system(
38    mut commands: Commands,
39    mut meshes: ResMut<Assets<Mesh>>,
40    mut materials: ResMut<Assets<StandardMaterial>>,
41    ratatui_render: Res<RatatuiRenderContext>,
42) {
43    commands.spawn((
44        Cube,
45        Mesh3d(meshes.add(Cuboid::default())),
46        MeshMaterial3d(materials.add(StandardMaterial {
47            base_color: Color::srgb(0.4, 0.54, 0.7),
48            ..Default::default()
49        })),
50    ));
51    commands.spawn((
52        Mesh3d(meshes.add(Cuboid::new(15., 15., 1.))),
53        Transform::from_xyz(0., 0., -6.),
54    ));
55    commands.spawn((
56        PointLight {
57            shadows_enabled: true,
58            ..Default::default()
59        },
60        Transform::from_xyz(3., 4., 6.),
61    ));
62    commands.spawn((
63        Camera3d::default(),
64        Camera {
65            target: ratatui_render.target("main").unwrap(),
66            ..default()
67        },
68        Transform::from_xyz(3., 3., 3.).looking_at(Vec3::ZERO, Vec3::Z),
69    ));
70}
71
72pub fn handle_input_system(
73    mut ratatui_events: EventReader<KeyEvent>,
74    mut exit: EventWriter<AppExit>,
75) {
76    for key_event in ratatui_events.read() {
77        if let KeyEventKind::Press | KeyEventKind::Repeat = key_event.kind {
78            if let KeyCode::Char('q') = key_event.code {
79                exit.send_default();
80            }
81        }
82    }
83}
84
85fn rotate_cube_system(time: Res<Time>, mut cube: Query<&mut Transform, With<Cube>>) {
86    cube.single_mut().rotate_z(time.delta_secs());
87}
resize/resize.rs

resize/
resize.rs
