121 lines
4.1 KiB
Rust
121 lines
4.1 KiB
Rust
use bevy::diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin};
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use bevy::prelude::*;
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use bevy::transform::components::Transform;
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use bevy_openxr::input::XrInput;
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use bevy_openxr::resources::{XrFrameState, XrInstance, XrSession, XrViews};
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use bevy_openxr::xr_input::debug_gizmos::OpenXrDebugRenderer;
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use bevy_openxr::xr_input::oculus_touch::OculusController;
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use bevy_openxr::xr_input::{Hand, QuatConv, TrackingRoot};
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use bevy_openxr::DefaultXrPlugins;
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fn main() {
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color_eyre::install().unwrap();
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info!("Running `openxr-6dof` skill");
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App::new()
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.add_plugins(DefaultXrPlugins)
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.add_plugins(OpenXrDebugRenderer) //new debug renderer adds gizmos to
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.add_plugins(LogDiagnosticsPlugin::default())
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.add_plugins(FrameTimeDiagnosticsPlugin)
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.add_systems(Startup, setup)
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.add_systems(Update, proto_locomotion)
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.run();
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}
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/// set up a simple 3D scene
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fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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) {
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// plane
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commands.spawn(PbrBundle {
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mesh: meshes.add(shape::Plane::from_size(5.0).into()),
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material: materials.add(Color::rgb(0.3, 0.5, 0.3).into()),
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..default()
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});
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// cube
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commands.spawn(PbrBundle {
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mesh: meshes.add(Mesh::from(shape::Cube { size: 0.1 })),
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material: materials.add(Color::rgb(0.8, 0.7, 0.6).into()),
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transform: Transform::from_xyz(0.0, 0.5, 0.0),
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..default()
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});
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// cube
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commands.spawn(PbrBundle {
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mesh: meshes.add(Mesh::from(shape::Cube { size: 0.1 })),
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material: materials.add(Color::rgb(0.8, 0.0, 0.0).into()),
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transform: Transform::from_xyz(0.0, 0.5, 1.0),
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..default()
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});
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// light
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commands.spawn(PointLightBundle {
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point_light: PointLight {
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intensity: 1500.0,
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shadows_enabled: true,
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..default()
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},
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transform: Transform::from_xyz(4.0, 8.0, 4.0),
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..default()
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});
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// camera
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commands.spawn((Camera3dBundle {
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transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
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..default()
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},));
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}
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pub enum LocomotionType {
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Head,
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Hand,
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}
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fn proto_locomotion(
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time: Res<Time>,
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mut tracking_root_query: Query<(&mut Transform, With<TrackingRoot>)>,
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oculus_controller: Res<OculusController>,
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frame_state: Res<XrFrameState>,
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xr_input: Res<XrInput>,
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instance: Res<XrInstance>,
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session: Res<XrSession>,
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views: ResMut<XrViews>,
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) {
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//lock frame
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let frame_state = *frame_state.lock().unwrap();
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//get controller
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let controller = oculus_controller.get_ref(&instance, &session, &frame_state, &xr_input);
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let root = tracking_root_query.get_single_mut();
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match root {
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Ok(mut position) => {
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//get the stick input and do some maths
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let stick = controller.thumbstick(Hand::Left);
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let input = Vec3::new(stick.x, 0.0, -stick.y);
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let speed = 1.0;
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//now the question is how do we do hmd based locomotion
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//or controller based for that matter
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let locomotion_type = LocomotionType::Hand;
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let mut reference_quat = Quat::IDENTITY;
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match locomotion_type {
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LocomotionType::Head => {
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let v = views.lock().unwrap();
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let views = v.get(0);
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match views {
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Some(view) => {
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reference_quat = view.pose.orientation.to_quat();
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}
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None => return,
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}
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}
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LocomotionType::Hand => {
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let grip = controller.grip_space(Hand::Left);
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reference_quat = grip.0.pose.orientation.to_quat();
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}
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}
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let mut locomotion_vec = reference_quat.mul_vec3(input);
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locomotion_vec.y = 0.0;
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position.0.translation += locomotion_vec * speed * time.delta_seconds()
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}
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Err(_) => info!("too many tracking roots"),
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}
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}
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