add overlay example

Signed-off-by: Schmarni <marnistromer@gmail.com>
2024-06-25 19:25:06 +02:00
parent 006e2c1da3
commit 3c88b0812d
1 changed files with 95 additions and 0 deletions
--- a/crates/bevy_openxr/examples/overlay.rs
+++ b/crates/bevy_openxr/examples/overlay.rs
@@ -0,0 +1,95 @@
+//! A simple 3D scene with light shining over a cube sitting on a plane.
+
+use bevy::prelude::*;
+use bevy_openxr::{add_xr_plugins, init::OxrInitPlugin, types::OxrExtensions};
+use bevy_xr::session::XrStatus;
+use openxr::EnvironmentBlendMode;
+use wgpu::TextureFormat;
+
+fn main() {
+    App::new()
+        .add_plugins(add_xr_plugins(DefaultPlugins).build().set(OxrInitPlugin {
+            exts: {
+                let mut exts = OxrExtensions::default();
+                exts.enable_hand_tracking();
+                exts.other.push("XR_EXTX_overlay\0".into());
+                exts
+            },
+            // blend_modes: Some({
+            //     let mut v = Vec::new();
+            //     v.push(EnvironmentBlendMode::ALPHA_BLEND);
+            //     v.push(EnvironmentBlendMode::ADDITIVE);
+            //     v.push(EnvironmentBlendMode::OPAQUE);
+            //     v
+            // }),
+            // formats: Some({
+            //     let mut v = Vec::new();
+            //     // v.push(TextureFormat::Rgba8Uint);
+            //     v.push(TextureFormat::Rgba8Unorm);
+            //     v.push(TextureFormat::Rgba8UnormSrgb);
+            //     v
+            // }),
+            ..OxrInitPlugin::default()
+        }))
+        .insert_resource(ClearColor(Color::NONE))
+        .add_plugins(bevy_xr_utils::hand_gizmos::HandGizmosPlugin)
+        .add_systems(Startup, setup)
+        .add_systems(Update, handle_input)
+        .run();
+}
+
+fn handle_input(
+    keys: Res<ButtonInput<KeyCode>>,
+    mut end: EventWriter<bevy_xr::session::EndXrSession>,
+    mut _destroy: EventWriter<bevy_xr::session::DestroyXrSession>,
+    mut _begin: EventWriter<bevy_xr::session::BeginXrSession>,
+    mut create: EventWriter<bevy_xr::session::CreateXrSession>,
+    state: Res<XrStatus>,
+) {
+    if keys.just_pressed(KeyCode::KeyE) {
+        info!("sending end");
+        end.send_default();
+    }
+    if keys.just_pressed(KeyCode::KeyC) {
+        info!("sending create");
+        create.send_default();
+    }
+    if keys.just_pressed(KeyCode::KeyI) {
+        info!("current state: {:?}", *state);
+    }
+}
+
+/// 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()
+    // });
+    // cube
+    commands.spawn(PbrBundle {
+        mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
+        material: materials.add(Color::rgb_u8(124, 144, 255)),
+        transform: Transform::from_xyz(0.0, 2.5, 0.0),
+        ..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()
+    });
+}