use bevy::prelude::*;
use bevy_egui::{egui, EguiContexts, EguiPlugin, EguiPrimaryContextPass};
use bevy_panorbit_camera::{PanOrbitCamera, PanOrbitCameraPlugin};
fn main() {
let mut app = App::new();
app.add_plugins(DefaultPlugins)
.add_plugins(EguiPlugin::default())
.add_plugins(PanOrbitCameraPlugin)
.add_systems(Startup, setup)
.add_systems(EguiPrimaryContextPass, ui_example_system);
app.run();
}
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
commands.spawn((
Mesh3d(meshes.add(Plane3d::default().mesh().size(5.0, 5.0))),
MeshMaterial3d(materials.add(Color::srgb(0.3, 0.5, 0.3))),
));
commands.spawn((
Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
MeshMaterial3d(materials.add(Color::srgb(0.8, 0.7, 0.6))),
Transform::from_xyz(0.0, 0.5, 0.0),
));
commands.spawn((
PointLight {
shadows_enabled: true,
..default()
},
Transform::from_xyz(4.0, 8.0, 4.0),
));
commands.spawn((
Transform::from_translation(Vec3::new(0.0, 1.5, 5.0)),
PanOrbitCamera::default(),
));
}
fn ui_example_system(mut contexts: EguiContexts) -> Result {
egui::SidePanel::left("left_panel")
.resizable(true)
.show(contexts.ctx_mut()?, |ui| {
ui.label("Left resizeable panel");
});
egui::Window::new("Movable Window").show(contexts.ctx_mut()?, |ui| {
ui.label("Hello world");
});
egui::Window::new("Immovable Window")
.movable(false)
.show(contexts.ctx_mut()?, |ui| {
ui.label("Hello world");
});
Ok(())
}