bevy-nodes-question.rs

use bevy::prelude::*;

fn main() {
    App::new()
        .insert_resource(ClearColor(Color::BLACK))
        .add_plugins(DefaultPlugins.set(WindowPlugin {
            primary_window: Some(Window {
                title: env!("CARGO_PKG_NAME").to_string(),
                ..Default::default()
            }),
            ..Default::default()
        }))
        .add_systems(Startup, spawn_text)
        .run();
}

fn spawn_text(mut commands: Commands) {
    commands.spawn(Camera2d);

    commands
        .spawn((
            Node {
                width: Val::Percent(100.),
                height: Val::Percent(100.),
                margin: UiRect::all(Val::Percent(2.)),
                padding: UiRect::all(Val::Percent(2.)),
                flex_direction: FlexDirection::Row,
                column_gap: Val::Percent(2.),
                ..Default::default()
            },
            BackgroundColor(Color::srgb(0.25, 0.25, 0.25)),
        ))
        .with_children(|builder| {
            builder.spawn((
                Node {
                    width: Val::Percent(50.),
                    ..Default::default()
                },
                BackgroundColor(Color::srgb(0.25, 0.75, 0.25)),
            ));
            builder.spawn((
                Node {
                    width: Val::Percent(50.),
                    ..Default::default()
                },
                BackgroundColor(Color::srgb(0.75, 0.25, 0.25)),
            ));
        });
}