pub fn to_radian(deg: f32) -> f32
Examples found in repository?
examples/pbr.rs (line 52)
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fn create_scene(
mut cmd: Write<CommandBuffer>,
mut asset_manager: Write<AssetManager>,
){
let diffuse = asset_manager.create_texture("assets/pbr_test/diffuse.jpg", Filter::Linear);
cmd.spawn(
ModelBundle::builder()
.mesh(Mesh::plane())
.material(asset_manager.create_material(
DefaultMat::builder()
.albedo(diffuse)
.metallic(0.0)
.roughness(0.5)
.build()
))
.transform(Transform::from_rotation(UnitQuaternion::from_axis_angle(&Vector3::x_axis(), to_radian(-45.0))))
.build()
);
cmd.spawn((
Camera::builder()
.is_active(true)
.camera_type(CameraType::FirstPerson)
.build(),
Transform::from_translation(Vector3::new(0.0, 0.0, 3.0)),
CameraConfiguration {
limit: (-85.0, 85.0),
..Default::default()
},
));
cmd.spawn((
DirectionalLight {
direction: Vector3::new(-1., -1., 0.),
illuminance: [0.5, 0.5, 0.5],
},
));
let sky_tex = asset_manager.create_texture("assets/StandardCubeMap.png", Filter::Linear);
cmd.spawn(
ModelBundle::builder()
.mesh(Mesh::load_obj("assets/skybox.obj").swap_remove(0))
.material(
asset_manager.create_material(
DefaultMat::builder()
.albedo(sky_tex)
.build()
)
)
.transform(Transform::default())
.build()
);
}
fn process_scene(
camera_world: SubWorld<(&Camera, &mut CameraConfiguration, &mut Transform)>,
gui_events: Read<EventHandler<GuiContext>>,
time: Read<Time>,
){
if let Some(ctx) = gui_events.read() {
if let Some(current) = ctx.pointer_hover_pos() {
for (_, (_, mut conf, mut t)) in &mut camera_world.query::<(&Camera, &mut CameraConfiguration, &mut Transform)>(){
let (delta_x, delta_y) = {
if conf.latest_pos == Point2::origin() {
(0.0, 0.0)
} else {
(current.x - conf.latest_pos.x, current.y - conf.latest_pos.y)
}
};
conf.latest_pos = Point2::new(current.x, current.y);
let local_x = t.local_x();
let (tx, ty) = (conf.target_x.clone(), conf.target_y.clone());
conf.target_x += delta_y * 0.0005 * time.delta_time().as_millis() as f32;
conf.target_y -= delta_x * 0.0005 * time.delta_time().as_millis() as f32;
conf.target_x = conf.target_x.clamp(to_radian(conf.limit.0), to_radian(conf.limit.1));
t.rotation *=
UnitQuaternion::from_axis_angle(&local_x, conf.target_x - tx) *
UnitQuaternion::from_axis_angle(&Vector3::y_axis(), conf.target_y - ty);
}
}
}
}
More examples
examples/serde.rs (line 70)
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fn gui_system(
gui_events: Read<EventHandler<GuiContext>>,
world: Read<World>,
mut cmd: Write<CommandBuffer>,
mut asset_manager: Write<AssetManager>,
model_world: SubWorld<Without<&mut Transform, &Camera>>,
scene_world: SubWorld<(&u32, &Transform)>,
){
for (_, mut t) in &mut model_world.query::<Without<&mut Transform, &Camera>>(){
t.rotation *= UnitQuaternion::from_axis_angle(&Unit::new_normalize(Vector3::new(1.0, 1.0, 1.0)), to_radian(1.0));
}
if let Some(ctx) = gui_events.read() {
gui::SidePanel::left("my_panel").show(&ctx, |ui| {
ui.label("World (de-)serialization test");
let mut ws = WorldSaver::new();
if ui.button("Save world").clicked() {
match ws.save("assets/world.ron", &world) {
Ok(()) => info!("World saved!"),
Err(e) => error!("World not saved: {:?}", e),
};
}
if ui.button("Load world").clicked() {
cmd.write(move |world: &mut World| {
match ws.load("assets/world.ron", world) {
Ok(()) => info!("World loaded!"),
Err(e) => error!("World not loaded: {:?}", e),
}
})
}
ui.separator();
ui.label("Serializable scene structure:");
if ui.button("Save scene to file").clicked() {
let scene = Scene {
assets: AssetManager::default(),
entities: vec![
SerializableEntity {
components: vec![
Arc::new(16u32),
Arc::new(Transform::default())
],
},
],
};
scene.save("assets/my_scene.ron").expect("Cannot save the scene");
}
if ui.button("Load scene from file").clicked() {
let scene = Scene::load("assets/my_scene.ron").expect("Cannot load the scene");
cmd.spawn_scene(scene, &mut asset_manager);
}
ui.separator();
for (_, (_, _)) in &mut scene_world.query::<(&u32, &Transform)>(){
ui.label("Scene successfully loaded!");
}
});
}
}