Support Warning
WebGPU is currently only supported on Chrome starting with version 113, and only on desktop. If they don't work on your configuration, you can check the WebGL2 examples
here.
Support for WebGPU in Bevy hasn't been released yet, this example has been compiled using the main branch.
use bevy::{
math::{cubic_splines::CubicCurve, vec3},
prelude::*,
};
#[derive(Component)]
pub struct Curve(CubicCurve<Vec3>);
fn main() {
App::new()
.add_plugins(DefaultPlugins)
.add_systems(Startup, setup)
.add_systems(Update, animate_cube)
.run();
}
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
let points = [[
vec3(-6., 2., 0.),
vec3(12., 8., 0.),
vec3(-12., 8., 0.),
vec3(6., 2., 0.),
]];
let bezier = Bezier::new(points).to_curve();
commands.spawn((
PbrBundle {
mesh: meshes.add(shape::Cube::default().into()),
material: materials.add(Color::ORANGE.into()),
transform: Transform::from_translation(points[0][0]),
..default()
},
Curve(bezier),
));
commands.spawn(PointLightBundle {
point_light: PointLight {
intensity: 9000.,
range: 100.,
shadows_enabled: true,
..default()
},
transform: Transform::from_xyz(8., 16., 8.),
..default()
});
commands.spawn(PbrBundle {
mesh: meshes.add(shape::Plane::from_size(50.).into()),
material: materials.add(Color::SILVER.into()),
..default()
});
commands.spawn(Camera3dBundle {
transform: Transform::from_xyz(0., 6., 12.).looking_at(Vec3::new(0., 3., 0.), Vec3::Y),
..default()
});
}
pub fn animate_cube(
time: Res<Time>,
mut query: Query<(&mut Transform, &Curve)>,
mut gizmos: Gizmos,
) {
let t = (time.elapsed_seconds().sin() + 1.) / 2.;
for (mut transform, cubic_curve) in &mut query {
gizmos.linestrip(cubic_curve.0.iter_positions(50), Color::WHITE);
transform.translation = cubic_curve.0.position(t);
}
}