renamed example

crates/bevy_openxr/examples/tracking_utils.rs

@@ -0,0 +1,119 @@
+//! A simple 3D scene with light shining over a cube sitting on a plane.
+
+use bevy::prelude::*;
+use bevy_mod_openxr::add_xr_plugins;
+use bevy_mod_xr::session::{XrSessionCreated, XrTrackingRoot};
+use bevy_xr_utils::tracking_utils::{
+    TrackingUtilitiesPlugin, XRTrackedLeftGrip, XRTrackedLocalFloor, XRTrackedRightGrip,
+    XRTrackedStage, XRTrackedView,
+};
+
+fn main() {
+    let mut app = App::new();
+    app.add_plugins(add_xr_plugins(DefaultPlugins));
+    app.add_systems(Startup, setup);
+
+    //things?
+    app.add_systems(XrSessionCreated, spawn_hands);
+
+    //tracking utils plugin
+    app.add_plugins(TrackingUtilitiesPlugin);
+
+    app.run();
+}
+
+/// set up a simple 3D scene
+fn setup(
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    // circular base
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(Circle::new(4.0)),
+        material: materials.add(Color::WHITE),
+        transform: Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
+        ..default()
+    });
+    // light
+    commands.spawn(PointLightBundle {
+        point_light: PointLight {
+            shadows_enabled: true,
+            ..default()
+        },
+        transform: Transform::from_xyz(4.0, 8.0, 4.0),
+        ..default()
+    });
+    commands.spawn(Camera3dBundle {
+        transform: Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
+        ..default()
+    });
+}
+
+fn spawn_hands(
+    mut cmds: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<StandardMaterial>>,
+) {
+    let left = cmds
+        .spawn((
+            PbrBundle {
+                mesh: meshes.add(Cuboid::new(0.1, 0.1, 0.05)),
+                material: materials.add(Color::srgb_u8(124, 144, 255)),
+                transform: Transform::from_xyz(0.0, 0.5, 0.0),
+                ..default()
+            },
+            XRTrackedLeftGrip,
+        ))
+        .id();
+    let bundle = (
+        PbrBundle {
+            mesh: meshes.add(Cuboid::new(0.1, 0.1, 0.05)),
+            material: materials.add(Color::srgb_u8(124, 144, 255)),
+            transform: Transform::from_xyz(0.0, 0.5, 0.0),
+            ..default()
+        },
+        XRTrackedRightGrip,
+    );
+    let right = cmds.spawn(bundle).id();
+    //head?
+
+    let head = cmds
+        .spawn((
+            PbrBundle {
+                mesh: meshes.add(Cuboid::new(0.2, 0.2, 0.2)),
+                material: materials.add(Color::srgb_u8(255, 144, 144)),
+                transform: Transform::from_xyz(0.0, 0.0, 0.0),
+                ..default()
+            },
+            XRTrackedView,
+        ))
+        .id();
+    //local_floor? emulated
+    let local_floor = cmds
+        .spawn((
+            PbrBundle {
+                mesh: meshes.add(Cuboid::new(0.5, 0.1, 0.5)),
+                material: materials.add(Color::srgb_u8(144, 255, 144)),
+                transform: Transform::from_xyz(0.0, 0.0, 0.0),
+                ..default()
+            },
+            XRTrackedLocalFloor,
+        ))
+        .id();
+
+    let rooter = cmds
+        .spawn((
+            PbrBundle {
+                mesh: meshes.add(Cuboid::new(0.5, 0.1, 0.5)),
+                material: materials.add(Color::srgb_u8(144, 255, 255)),
+                transform: Transform::from_xyz(0.0, 0.0, 0.0),
+                ..default()
+            },
+            XRTrackedStage,
+        ))
+        .id();
+
+    cmds.entity(rooter)
+        .push_children(&[left, right, head, local_floor]);
+}