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.
animated_material.rs:
use bevy::prelude::*;
fn main() {
App::new()
.add_plugins(DefaultPlugins)
.add_systems(Startup, setup)
.add_systems(Update, animate_materials)
.run();
}
fn setup(
mut commands: Commands,
asset_server: Res<AssetServer>,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
commands.spawn((
Camera3dBundle {
transform: Transform::from_xyz(3.0, 1.0, 3.0)
.looking_at(Vec3::new(0.0, -0.5, 0.0), Vec3::Y),
..default()
},
EnvironmentMapLight {
diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
intensity: 2_000.0,
},
));
let cube = meshes.add(Cuboid::new(0.5, 0.5, 0.5));
const GOLDEN_ANGLE: f32 = 137.507_77;
let mut hsla = Hsla::hsl(0.0, 1.0, 0.5);
for x in -1..2 {
for z in -1..2 {
commands.spawn(PbrBundle {
mesh: cube.clone(),
material: materials.add(Color::from(hsla)),
transform: Transform::from_translation(Vec3::new(x as f32, 0.0, z as f32)),
..default()
});
hsla = hsla.rotate_hue(GOLDEN_ANGLE);
}
}
}
fn animate_materials(
material_handles: Query<&Handle<StandardMaterial>>,
time: Res<Time>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
for material_handle in material_handles.iter() {
if let Some(material) = materials.get_mut(material_handle) {
if let Color::Hsla(ref mut hsla) = material.base_color {
*hsla = hsla.rotate_hue(time.delta_seconds() * 100.0);
}
}
}
}