58 lines
1.9 KiB
Rust
58 lines
1.9 KiB
Rust
//! A simple 3D scene with light shining over a cube sitting on a plane.
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use bevy::{prelude::*, render::pipelined_rendering::PipelinedRenderingPlugin};
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use bevy_mod_openxr::{
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add_xr_plugins,
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graphics::{GraphicsBackend, OxrManualGraphicsConfig},
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};
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fn main() -> AppExit {
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App::new()
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.insert_resource(OxrManualGraphicsConfig {
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fallback_backend: GraphicsBackend::Vulkan(()),
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vk_instance_exts: vec![],
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vk_device_exts: vec![ash::khr::external_memory::NAME],
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})
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.add_plugins(add_xr_plugins(
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// Disabling Pipelined Rendering should reduce latency a little bit for button inputs
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// and increase accuracy for hand tracking, controller positions and similar,
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// the views are updated right before rendering so they are as accurate as possible
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DefaultPlugins.build().disable::<PipelinedRenderingPlugin>(),
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))
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.add_plugins(bevy_mod_xr::hand_debug_gizmos::HandGizmosPlugin)
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.add_systems(Startup, setup)
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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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// circular base
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commands.spawn((
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Mesh3d(meshes.add(Circle::new(4.0))),
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MeshMaterial3d(materials.add(Color::WHITE)),
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Transform::from_rotation(Quat::from_rotation_x(-std::f32::consts::FRAC_PI_2)),
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));
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// cube
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commands.spawn((
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Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
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MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
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Transform::from_xyz(0.0, 0.5, 0.0),
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));
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// light
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commands.spawn((
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PointLight {
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shadows_enabled: true,
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..default()
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},
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Transform::from_xyz(4.0, 8.0, 4.0),
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));
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commands.spawn((
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Camera3d::default(),
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Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
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));
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}
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