added bare minimum to render a basic scene

examples/demo/src/main.rs

@@ -1,3 +1,49 @@
+use bevy::{
+    diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin},
+    prelude::{info, App, Startup, Commands, SpatialBundle},
+};
+use bevy_openxr::{xr_input::{debug_gizmos::OpenXrDebugRenderer, trackers::{OpenXRLeftController, OpenXRController, OpenXRTracker, OpenXRRightController}}, DefaultXrPlugins};
+
+mod setup;
+use crate::setup::setup_scene;
+
 fn main() {
-    println!("Hello, world!");
+    color_eyre::install().unwrap();
+
+    info!("Running bevy_openxr demo");
+    App::new()
+        //lets get the usual diagnostic stuff added
+        .add_plugins(LogDiagnosticsPlugin::default())
+        .add_plugins(FrameTimeDiagnosticsPlugin)
+        //lets get the xr defaults added
+        .add_plugins(DefaultXrPlugins)
+        //lets add the debug renderer for the controllers
+        .add_plugins(OpenXrDebugRenderer)
+        //lets setup the starting scene
+        .add_systems(Startup, setup_scene)
+        .add_systems(Startup, spawn_controllers_example) //you need to spawn controllers or it crashes TODO:: Fix this
+        .run();
 }
+
+fn spawn_controllers_example(mut commands: Commands) {
+    //left hand
+    commands.spawn((
+        OpenXRLeftController,
+        OpenXRController,
+        OpenXRTracker,
+        SpatialBundle::default(),
+        // XRRayInteractor,
+        // AimPose(Transform::default()),
+        // XRInteractorState::default(),
+    ));
+    //right hand
+    commands.spawn((
+        OpenXRRightController,
+        OpenXRController,
+        OpenXRTracker,
+        SpatialBundle::default(),
+        // XRDirectInteractor,
+        // XRInteractorState::default(),
+    ));
+}
+

examples/demo/src/setup.rs

@@ -0,0 +1,45 @@
+use bevy::{prelude::{Commands, ResMut, Assets, Mesh, StandardMaterial, PbrBundle, shape, Color, Transform, SpatialBundle, Camera3dBundle, Vec3, PointLight, PointLightBundle}, utils::default};
+
+/// set up a simple 3D scene
+pub fn setup_scene(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // plane
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(shape::Plane::from_size(5.0).into()),
+        material: materials.add(Color::rgb(0.3, 0.5, 0.3).into()),
+        ..default()
+    });
+    // cube
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(Mesh::from(shape::Cube { size: 0.1 })),
+        material: materials.add(Color::rgb(0.8, 0.7, 0.6).into()),
+        transform: Transform::from_xyz(0.0, 0.5, 0.0),
+        ..default()
+    });
+
+    // light
+    commands.spawn(PointLightBundle {
+        point_light: PointLight {
+            intensity: 1500.0,
+            shadows_enabled: true,
+            ..default()
+        },
+        transform: Transform::from_xyz(4.0, 8.0, 4.0),
+        ..default()
+    });
+    // camera
+    commands.spawn((Camera3dBundle {
+        transform: Transform::from_xyz(0.25, 1.25, 0.0).looking_at(
+            Vec3 {
+                x: -0.548,
+                y: -0.161,
+                z: -0.137,
+            },
+            Vec3::Y,
+        ),
+        ..default()
+    },));
+}