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Rename the Element structure to Sphere

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This makes way for an `Element` trait. Some `Sphere` variables, like the
arguments of the sphere insertion methods, have been renamed to show
that they refer specifically to spheres. Others, like the argument of
`ElementOutlineItem`, have kept their general names, because I expect
them to become `Element` trait objects.
This commit is contained in:
Aaron Fenyes 2025-04-23 01:01:59 -07:00
parent 68abc2ad44
commit a1e23543cb
4 changed files with 41 additions and 41 deletions
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30
app-proto/src/add_remove.rs
View file

@ -4,7 +4,7 @@ use web_sys::{console, wasm_bindgen::JsValue};
use crate::{
engine,
AppState,
assembly::{Assembly, Element, InversiveDistanceRegulator}
assembly::{Assembly, InversiveDistanceRegulator, Sphere}
};
/* DEBUG */
@ -12,7 +12,7 @@ use crate::{
// built a more formal test assembly system
fn load_gen_assemb(assembly: &Assembly) {
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("gemini_a"),
String::from("Castor"),
[1.00_f32, 0.25_f32, 0.00_f32],
@ -20,7 +20,7 @@ fn load_gen_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("gemini_b"),
String::from("Pollux"),
[0.00_f32, 0.25_f32, 1.00_f32],
@ -28,7 +28,7 @@ fn load_gen_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("ursa_major"),
String::from("Ursa major"),
[0.25_f32, 0.00_f32, 1.00_f32],
@ -36,7 +36,7 @@ fn load_gen_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("ursa_minor"),
String::from("Ursa minor"),
[0.25_f32, 1.00_f32, 0.00_f32],
@ -44,7 +44,7 @@ fn load_gen_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("moon_deimos"),
String::from("Deimos"),
[0.75_f32, 0.75_f32, 0.00_f32],
@ -52,7 +52,7 @@ fn load_gen_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("moon_phobos"),
String::from("Phobos"),
[0.00_f32, 0.75_f32, 0.50_f32],
@ -67,7 +67,7 @@ fn load_gen_assemb(assembly: &Assembly) {
fn load_low_curv_assemb(assembly: &Assembly) {
let a = 0.75_f64.sqrt();
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"central".to_string(),
"Central".to_string(),
[0.75_f32, 0.75_f32, 0.75_f32],
@ -75,7 +75,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"assemb_plane".to_string(),
"Assembly plane".to_string(),
[0.75_f32, 0.75_f32, 0.75_f32],
@ -83,7 +83,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"side1".to_string(),
"Side 1".to_string(),
[1.00_f32, 0.00_f32, 0.25_f32],
@ -91,7 +91,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"side2".to_string(),
"Side 2".to_string(),
[0.25_f32, 1.00_f32, 0.00_f32],
@ -99,7 +99,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"side3".to_string(),
"Side 3".to_string(),
[0.00_f32, 0.25_f32, 1.00_f32],
@ -107,7 +107,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"corner1".to_string(),
"Corner 1".to_string(),
[0.75_f32, 0.75_f32, 0.75_f32],
@ -115,7 +115,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
"corner2".to_string(),
"Corner 2".to_string(),
[0.75_f32, 0.75_f32, 0.75_f32],
@ -123,7 +123,7 @@ fn load_low_curv_assemb(assembly: &Assembly) {
)
);
let _ = assembly.try_insert_sphere(
Element::new(
Sphere::new(
String::from("corner3"),
String::from("Corner 3"),
[0.75_f32, 0.75_f32, 0.75_f32],

46
app-proto/src/assembly.rs
View file

@ -33,11 +33,11 @@ pub type ElementColor = [f32; 3];
static NEXT_ELEMENT_SERIAL: AtomicU64 = AtomicU64::new(0);
pub trait ProblemPoser {
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Element>);
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Sphere>);
}
#[derive(Clone, PartialEq)]
pub struct Element {
pub struct Sphere {
pub id: String,
pub label: String,
pub color: ElementColor,
@ -57,7 +57,7 @@ pub struct Element {
column_index: Option<usize>
}
impl Element {
impl Sphere {
const CURVATURE_COMPONENT: usize = 3;
pub fn new(
@ -65,7 +65,7 @@ impl Element {
label: String,
color: ElementColor,
representation: DVector<f64>
) -> Element {
) -> Sphere {
// take the next serial number, panicking if that was the last number we
// had left. the technique we use to panic on overflow is taken from
// _Rust Atomics and Locks_, by Mara Bos
@ -77,7 +77,7 @@ impl Element {
|serial| serial.checked_add(1)
).expect("Out of serial numbers for elements");
Element {
Sphere {
id: id,
label: label,
color: color,
@ -132,10 +132,10 @@ impl Element {
}
}
impl ProblemPoser for Element {
fn pose(&self, problem: &mut ConstraintProblem, _elts: &Slab<Element>) {
impl ProblemPoser for Sphere {
fn pose(&self, problem: &mut ConstraintProblem, _elts: &Slab<Sphere>) {
let index = self.column_index.expect(
format!("Element \"{}\" should be indexed before writing problem data", self.id).as_str()
format!("Sphere \"{}\" should be indexed before writing problem data", self.id).as_str()
);
problem.gram.push_sym(index, index, 1.0);
problem.guess.set_column(index, &self.representation.get_clone_untracked());
@ -198,7 +198,7 @@ impl Regulator for InversiveDistanceRegulator {
}
impl ProblemPoser for InversiveDistanceRegulator {
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Element>) {
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Sphere>) {
self.set_point.with_untracked(|set_pt| {
if let Some(val) = set_pt.value {
let [row, col] = self.subjects.map(
@ -222,7 +222,7 @@ impl HalfCurvatureRegulator {
pub fn new(subject: ElementKey, assembly: &Assembly) -> HalfCurvatureRegulator {
let measurement = assembly.elements.map(
move |elts| elts[subject].representation.with(
|rep| rep[Element::CURVATURE_COMPONENT]
|rep| rep[Sphere::CURVATURE_COMPONENT]
)
);
@ -262,13 +262,13 @@ impl Regulator for HalfCurvatureRegulator {
}
impl ProblemPoser for HalfCurvatureRegulator {
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Element>) {
fn pose(&self, problem: &mut ConstraintProblem, elts: &Slab<Sphere>) {
self.set_point.with_untracked(|set_pt| {
if let Some(val) = set_pt.value {
let col = elts[self.subject].column_index.expect(
"Subject should be indexed before half-curvature regulator writes problem data"
);
problem.frozen.push(Element::CURVATURE_COMPONENT, col, val);
problem.frozen.push(Sphere::CURVATURE_COMPONENT, col, val);
}
});
}
@ -286,7 +286,7 @@ type AssemblyMotion<'a> = Vec<ElementMotion<'a>>;
#[derive(Clone)]
pub struct Assembly {
// elements and regulators
pub elements: Signal<Slab<Element>>,
pub elements: Signal<Slab<Sphere>>,
pub regulators: Signal<Slab<Rc<dyn Regulator>>>,
// solution variety tangent space. the basis vectors are stored in
@ -320,10 +320,10 @@ impl Assembly {
// insert a sphere into the assembly without checking whether we already
// have an element with the same identifier. any element that does have the
// same identifier will get kicked out of the `elements_by_id` index
fn insert_sphere_unchecked(&self, elt: Element) -> ElementKey {
fn insert_sphere_unchecked(&self, sphere: Sphere) -> ElementKey {
// insert the sphere
let id = elt.id.clone();
let key = self.elements.update(|elts| elts.insert(elt));
let id = sphere.id.clone();
let key = self.elements.update(|elts| elts.insert(sphere));
self.elements_by_id.update(|elts_by_id| elts_by_id.insert(id, key));
// regulate the sphere's curvature
@ -332,12 +332,12 @@ impl Assembly {
key
}
pub fn try_insert_sphere(&self, elt: Element) -> Option<ElementKey> {
pub fn try_insert_sphere(&self, sphere: Sphere) -> Option<ElementKey> {
let can_insert = self.elements_by_id.with_untracked(
|elts_by_id| !elts_by_id.contains_key(&elt.id)
|elts_by_id| !elts_by_id.contains_key(&sphere.id)
);
if can_insert {
Some(self.insert_sphere_unchecked(elt))
Some(self.insert_sphere_unchecked(sphere))
} else {
None
}
@ -356,7 +356,7 @@ impl Assembly {
// create and insert a sphere
let _ = self.insert_sphere_unchecked(
Element::new(
Sphere::new(
id,
format!("Sphere {}", id_num),
[0.75_f32, 0.75_f32, 0.75_f32],
@ -607,10 +607,10 @@ mod tests {
use super::*;
#[test]
#[should_panic(expected = "Element \"sphere\" should be indexed before writing problem data")]
#[should_panic(expected = "Sphere \"sphere\" should be indexed before writing problem data")]
fn unindexed_element_test() {
let _ = create_root(|| {
Element::new(
Sphere::new(
"sphere".to_string(),
"Sphere".to_string(),
[1.0_f32, 1.0_f32, 1.0_f32],
@ -626,7 +626,7 @@ mod tests {
let mut elts = Slab::new();
let subjects = [0, 1].map(|k| {
elts.insert(
Element::new(
Sphere::new(
format!("sphere{k}"),
format!("Sphere {k}"),
[1.0_f32, 1.0_f32, 1.0_f32],

4
app-proto/src/display.rs
View file

@ -14,7 +14,7 @@ use web_sys::{
wasm_bindgen::{JsCast, JsValue}
};
use crate::{AppState, assembly::{Element, ElementKey, ElementColor, ElementMotion}};
use crate::{AppState, assembly::{ElementKey, ElementColor, ElementMotion, Sphere}};
// --- scene data ---
@ -74,7 +74,7 @@ trait DisplayItem {
fn show(&self, scene: &mut Scene, selected: bool);
}
impl DisplayItem for Element {
impl DisplayItem for Sphere {
fn show(&self, scene: &mut Scene, selected: bool) {
const HIGHLIGHT: f32 = 0.2; /* SCAFFOLDING */
let representation = self.representation.get_clone_untracked();

2
app-proto/src/outline.rs
View file

@ -141,7 +141,7 @@ fn RegulatorOutlineItem(regulator_key: RegulatorKey, element_key: ElementKey) ->
// a list item that shows an element in an outline view of an assembly
#[component(inline_props)]
fn ElementOutlineItem(key: ElementKey, element: assembly::Element) -> View {
fn ElementOutlineItem(key: ElementKey, element: assembly::Sphere) -> View {
let state = use_context::<AppState>();
let class = state.selection.map(
move |sel| if sel.contains(&key) { "selected" } else { "" }