app-proto/full-interface/src/add_remove.rs

@@ -1,227 +1,21 @@
-use std::collections::BTreeSet; /* DEBUG */
 use sycamore::prelude::*;
-use web_sys::{console, wasm_bindgen::JsValue};
+use web_sys::{MouseEvent, console, wasm_bindgen::JsValue};
 
-use crate::{engine, AppState, assembly::{Assembly, Constraint, Element}};
-
-/* DEBUG */
-fn load_gen_assemb(assembly: &Assembly) {
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("gemini_a"),
-            label: String::from("Castor"),
-            color: [1.00_f32, 0.25_f32, 0.00_f32],
-            rep: engine::sphere(0.5, 0.5, 0.0, 1.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("gemini_b"),
-            label: String::from("Pollux"),
-            color: [0.00_f32, 0.25_f32, 1.00_f32],
-            rep: engine::sphere(-0.5, -0.5, 0.0, 1.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("ursa_major"),
-            label: String::from("Ursa major"),
-            color: [0.25_f32, 0.00_f32, 1.00_f32],
-            rep: engine::sphere(-0.5, 0.5, 0.0, 0.75),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("ursa_minor"),
-            label: String::from("Ursa minor"),
-            color: [0.25_f32, 1.00_f32, 0.00_f32],
-            rep: engine::sphere(0.5, -0.5, 0.0, 0.5),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("moon_deimos"),
-            label: String::from("Deimos"),
-            color: [0.75_f32, 0.75_f32, 0.00_f32],
-            rep: engine::sphere(0.0, 0.15, 1.0, 0.25),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("moon_phobos"),
-            label: String::from("Phobos"),
-            color: [0.00_f32, 0.75_f32, 0.50_f32],
-            rep: engine::sphere(0.0, -0.15, -1.0, 0.25),
-            constraints: BTreeSet::default()
-        }
-    );
-    assembly.insert_constraint(
-        Constraint {
-            args: (
-                assembly.elements_by_id.with_untracked(|elts_by_id| elts_by_id["gemini_a"]),
-                assembly.elements_by_id.with_untracked(|elts_by_id| elts_by_id["gemini_b"])
-            ),
-            rep: 0.5
-        }
-    );
-}
-
-/* DEBUG */
-fn load_low_curv_assemb(assembly: &Assembly) {
-    let a = 0.75_f64.sqrt();
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "central".to_string(),
-            label: "Central".to_string(),
-            color: [0.75_f32, 0.75_f32, 0.75_f32],
-            rep: engine::sphere(0.0, 0.0, 0.0, 1.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "assemb_plane".to_string(),
-            label: "Assembly plane".to_string(),
-            color: [0.75_f32, 0.75_f32, 0.75_f32],
-            rep: engine::sphere_with_offset(0.0, 0.0, 1.0, 0.0, 0.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "side1".to_string(),
-            label: "Side 1".to_string(),
-            color: [1.00_f32, 0.00_f32, 0.25_f32],
-            rep: engine::sphere_with_offset(1.0, 0.0, 0.0, 1.0, 0.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "side2".to_string(),
-            label: "Side 2".to_string(),
-            color: [0.25_f32, 1.00_f32, 0.00_f32],
-            rep: engine::sphere_with_offset(-0.5, a, 0.0, 1.0, 0.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "side3".to_string(),
-            label: "Side 3".to_string(),
-            color: [0.00_f32, 0.25_f32, 1.00_f32],
-            rep: engine::sphere_with_offset(-0.5, -a, 0.0, 1.0, 0.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "corner1".to_string(),
-            label: "Corner 1".to_string(),
-            color: [0.75_f32, 0.75_f32, 0.75_f32],
-            rep: engine::sphere(-4.0/3.0, 0.0, 0.0, 1.0/3.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: "corner2".to_string(),
-            label: "Corner 2".to_string(),
-            color: [0.75_f32, 0.75_f32, 0.75_f32],
-            rep: engine::sphere(2.0/3.0, -4.0/3.0 * a, 0.0, 1.0/3.0),
-            constraints: BTreeSet::default()
-        }
-    );
-    let _ = assembly.try_insert_element(
-        Element {
-            id: String::from("corner3"),
-            label: String::from("Corner 3"),
-            color: [0.75_f32, 0.75_f32, 0.75_f32],
-            rep: engine::sphere(2.0/3.0, 4.0/3.0 * a, 0.0, 1.0/3.0),
-            constraints: BTreeSet::default()
-        }
-    );
-}
+use crate::AppState;
+use crate::Constraint;
 
 #[component]
 pub fn AddRemove() -> View {
-    /* DEBUG */
-    let assembly_name = create_signal("general".to_string());
-    create_effect(move || {
-        // get name of chosen assembly
-        let name = assembly_name.get_clone();
-        console::log_1(
-            &JsValue::from(format!("Showing assembly \"{}\"", name.clone()))
-        );
-        
-        batch(|| {
-            let state = use_context::<AppState>();
-            let assembly = &state.assembly;
-            
-            // clear state
-            assembly.elements.update(|elts| elts.clear());
-            assembly.elements_by_id.update(|elts_by_id| elts_by_id.clear());
-            state.selection.update(|sel| sel.clear());
-            
-            // load assembly
-            match name.as_str() {
-                "general" => load_gen_assemb(assembly),
-                "low-curv" => load_low_curv_assemb(assembly),
-                _ => ()
-            };
-        });
-    });
+    let state = use_context::<AppState>();
     
     view! {
         div(id="add-remove") {
             button(
-                on:click=|_| {
-                    let state = use_context::<AppState>();
-                    state.assembly.insert_new_element();
-                    
-                    /* DEBUG */
-                    // print updated list of elements by identifier
-                    console::log_1(&JsValue::from("elements by identifier:"));
-                    for (id, key) in state.assembly.elements_by_id.get_clone().iter() {
-                        console::log_3(
-                            &JsValue::from(" "),
-                            &JsValue::from(id),
-                            &JsValue::from(*key)
-                        );
-                    }
-                }
-            ) { "+" }
-            button(
-                disabled={
-                    let state = use_context::<AppState>();
-                    state.selection.with(|sel| sel.len() != 2)
-                },
-                on:click=|_| {
-                    let state = use_context::<AppState>();
-                    let args = state.selection.with(
-                        |sel| {
-                            let arg_vec: Vec<_> = sel.into_iter().collect();
-                            (arg_vec[0].clone(), arg_vec[1].clone())
-                        }
-                    );
-                    state.assembly.insert_constraint(Constraint {
-                        args: args,
-                        rep: 0.0
-                    });
-                    state.selection.update(|sel| sel.clear());
-                    
-                    /* DEBUG */
-                    // print updated constraint list
+                on:click=move |event: MouseEvent| {
                     console::log_1(&JsValue::from("constraints:"));
                     state.assembly.constraints.with(|csts| {
                         for (_, cst) in csts.into_iter() {
-                            console::log_5(
-                                &JsValue::from(" "),
+                            console::log_4(
                                 &JsValue::from(cst.args.0),
                                 &JsValue::from(cst.args.1),
                                 &JsValue::from(":"),
@@ -230,11 +24,32 @@ pub fn AddRemove() -> View {
                         }
                     });
                 }
+            ) { "+" }
+            button(
+                disabled={
+                    state.selection.with(|sel| sel.len() != 2)
+                },
+                on:click=move |event: MouseEvent| {
+                    let args = state.selection.with(
+                        |sel| {
+                            let arg_vec: Vec<_> = sel.into_iter().collect();
+                            (arg_vec[0].clone(), arg_vec[1].clone())
+                        }
+                    );
+                    console::log_5(
+                        &JsValue::from("add constraint"),
+                        &JsValue::from(args.0),
+                        &JsValue::from(args.1),
+                        &JsValue::from(":"),
+                        &JsValue::from(0.0)
+                    );
+                    state.assembly.insert_constraint(Constraint {
+                        args: args,
+                        rep: 0.0
+                    });
+                    state.selection.update(|sel| sel.clear());
+                }
             ) { "🔗" }
-            select(bind:value=assembly_name) { /* DEBUG */
-                option(value="general") { "General" }
-                option(value="low-curv") { "Low-curvature" }
-            }
         }
     }
 }

app-proto/full-interface/src/assembly.rs

@@ -1,7 +1,6 @@
 use nalgebra::DVector;
-use rustc_hash::FxHashMap;
+use rustc_hash::FxHashSet;
 use slab::Slab;
-use std::collections::BTreeSet;
 use sycamore::prelude::*;
 
 #[derive(Clone, PartialEq)]
@@ -10,7 +9,7 @@ pub struct Element {
     pub label: String,
     pub color: [f32; 3],
     pub rep: DVector<f64>,
-    pub constraints: BTreeSet<usize>
+    pub constraints: FxHashSet<usize>
 }
 
 #[derive(Clone)]
@@ -22,65 +21,18 @@ pub struct Constraint {
 // a complete, view-independent description of an assembly
 #[derive(Clone)]
 pub struct Assembly {
-    // elements and constraints
     pub elements: Signal<Slab<Element>>,
-    pub constraints: Signal<Slab<Constraint>>,
-    
-    // indexing
-    pub elements_by_id: Signal<FxHashMap<String, usize>>
+    pub constraints: Signal<Slab<Constraint>>
 }
 
 impl Assembly {
     pub fn new() -> Assembly {
         Assembly {
             elements: create_signal(Slab::new()),
-            constraints: create_signal(Slab::new()),
-            elements_by_id: create_signal(FxHashMap::default())
+            constraints: create_signal(Slab::new())
         }
     }
     
-    // insert an element 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_element_unchecked(&self, elt: Element) {
-        let id = elt.id.clone();
-        let key = self.elements.update(|elts| elts.insert(elt));
-        self.elements_by_id.update(|elts_by_id| elts_by_id.insert(id, key));
-    }
-    
-    pub fn try_insert_element(&self, elt: Element) -> bool {
-        let can_insert = self.elements_by_id.with_untracked(
-            |elts_by_id| !elts_by_id.contains_key(&elt.id)
-        );
-        if can_insert {
-            self.insert_element_unchecked(elt);
-        }
-        can_insert
-    }
-    
-    pub fn insert_new_element(&self) {
-        // find the next unused identifier in the default sequence
-        let mut id_num = 1;
-        let mut id = format!("sphere{}", id_num);
-        while self.elements_by_id.with_untracked(
-            |elts_by_id| elts_by_id.contains_key(&id)
-        ) {
-            id_num += 1;
-            id = format!("sphere{}", id_num);
-        }
-        
-        // create and insert a new element
-        self.insert_element_unchecked(
-            Element {
-                id: id,
-                label: format!("Sphere {}", id_num),
-                color: [0.75_f32, 0.75_f32, 0.75_f32],
-                rep: DVector::<f64>::from_column_slice(&[0.0, 0.0, 0.0, 0.5, -0.5]),
-                constraints: BTreeSet::default()
-            }
-        );
-    }
-    
     pub fn insert_constraint(&self, constraint: Constraint) {
         let args = constraint.args;
         let key = self.constraints.update(|csts| csts.insert(constraint));

app-proto/full-interface/src/display.rs

@@ -98,12 +98,10 @@ pub fn Display() -> View {
     let roll_cw = create_signal(0.0);
     let zoom_in = create_signal(0.0);
     let zoom_out = create_signal(0.0);
-    let turntable = create_signal(false); /* BENCHMARKING */
     
     // change listener
     let scene_changed = create_signal(true);
     create_effect(move || {
-        state.assembly.elements.track();
         state.selection.track();
         scene_changed.set(true);
     });
@@ -121,7 +119,6 @@ pub fn Display() -> View {
         // viewpoint
         const ROT_SPEED: f64 = 0.4; // in radians per second
         const ZOOM_SPEED: f64 = 0.15; // multiplicative rate per second
-        const TURNTABLE_SPEED: f64 = 0.1; /* BENCHMARKING */
         let mut orientation = DMatrix::<f64>::identity(5, 5);
         let mut rotation = DMatrix::<f64>::identity(5, 5);
         let mut location_z: f64 = 5.0;
@@ -244,7 +241,6 @@ pub fn Display() -> View {
             let roll_cw_val = roll_cw.get();
             let zoom_in_val = zoom_in.get();
             let zoom_out_val = zoom_out.get();
-            let turntable_val = turntable.get(); /* BENCHMARKING */
             
             // update the assembly's orientation
             let ang_vel = {
@@ -256,10 +252,6 @@ pub fn Display() -> View {
                 } else {
                     Vector3::zeros()
                 }
-            } /* BENCHMARKING */ + if turntable_val {
-                Vector3::new(0.0, TURNTABLE_SPEED, 0.0)
-            } else {
-                Vector3::zeros()
             };
             let mut rotation_sp = rotation.fixed_view_mut::<3, 3>(0, 0);
             rotation_sp.copy_from(
@@ -359,7 +351,6 @@ pub fn Display() -> View {
                     || roll_ccw_val != 0.0
                     || zoom_in_val != 0.0
                     || zoom_out_val != 0.0
-                    || turntable_val /* BENCHMARKING */
                 );
             } else {
                 frames_since_last_sample = 0;
@@ -409,10 +400,6 @@ pub fn Display() -> View {
                     pitch_up.set(0.0);
                     pitch_down.set(0.0);
                 } else {
-                    if event.key() == "Enter" { /* BENCHMARKING */
-                        turntable.set_fn(|turn| !turn);
-                        scene_changed.set(true);
-                    }
                     set_nav_signal(event, 1.0);
                 }
             },

app-proto/full-interface/src/engine.rs

@@ -1,27 +0,0 @@
-use nalgebra::DVector;
-
-// the sphere with the given center and radius, with inward-pointing normals
-pub fn sphere(center_x: f64, center_y: f64, center_z: f64, radius: f64) -> DVector<f64> {
-    let center_norm_sq = center_x * center_x + center_y * center_y + center_z * center_z;
-    DVector::from_column_slice(&[
-        center_x / radius,
-        center_y / radius,
-        center_z / radius,
-        0.5 / radius,
-        0.5 * (center_norm_sq / radius - radius)
-    ])
-}
-
-// the sphere of curvature `curv` whose closest point to the origin has position
-// `off * dir` and normal `dir`, where `dir` is a unit vector. setting the
-// curvature to zero gives a plane
-pub fn sphere_with_offset(dir_x: f64, dir_y: f64, dir_z: f64, off: f64, curv: f64) -> DVector<f64> {
-    let norm_sp = 1.0 + off * curv;
-    DVector::from_column_slice(&[
-        norm_sp * dir_x,
-        norm_sp * dir_y,
-        norm_sp * dir_z,
-        0.5 * curv,
-        off * (1.0 + 0.5 * off * curv)
-    ])
-}

app-proto/full-interface/src/main.rs

@@ -1,14 +1,14 @@
 mod add_remove;
 mod assembly;
 mod display;
-mod engine;
 mod outline;
 
+use nalgebra::DVector;
 use rustc_hash::FxHashSet;
 use sycamore::prelude::*;
 
 use add_remove::AddRemove;
-use assembly::Assembly;
+use assembly::{Assembly, Constraint, Element};
 use display::Display;
 use outline::Outline;
 
@@ -29,7 +29,45 @@ impl AppState {
 
 fn main() {
     sycamore::render(|| {
-        provide_context(AppState::new());
+        let state = AppState::new();
+        let key_a = state.assembly.elements.update(
+            |elts| elts.insert(
+                Element {
+                    id: String::from("wing_a"),
+                    label: String::from("Wing A"),
+                    color: [1.00_f32, 0.25_f32, 0.00_f32],
+                    rep: DVector::<f64>::from_column_slice(&[0.5, 0.5, 0.0, 0.5, -0.25]),
+                    constraints: FxHashSet::default()
+                }
+            )
+        );
+        let key_b = state.assembly.elements.update(
+            |elts| elts.insert(
+                Element {
+                    id: String::from("wing_b"),
+                    label: String::from("Wing B"),
+                    color: [0.00_f32, 0.25_f32, 1.00_f32],
+                    rep: DVector::<f64>::from_column_slice(&[-0.5, -0.5, 0.0, 0.5, -0.25]),
+                    constraints: FxHashSet::default()
+                },
+            )
+        );
+        state.assembly.elements.update(
+            |elts| elts.insert(
+                Element {
+                    id: String::from("central"),
+                    label: String::from("Central"),
+                    color: [0.75_f32, 0.75_f32, 0.75_f32],
+                    rep: DVector::<f64>::from_column_slice(&[0.0, 0.0, 0.0, 0.4, -0.625]),
+                    constraints: FxHashSet::default()
+                }
+            )
+        );
+        state.assembly.insert_constraint(Constraint {
+            args: (key_a, key_b),
+            rep: 0.5
+        });
+        provide_context(state);
         
         view! {
             div(id="sidebar") {

app-proto/full-interface/src/outline.rs

@@ -148,12 +148,7 @@ pub fn Outline() -> View {
                         }
                     }
                 },
-                key=|(key, elt)| (
-                    key.clone(),
-                    elt.id.clone(),
-                    elt.label.clone(),
-                    elt.constraints.clone()
-                )
+                key=|(key, _)| key.clone()
             )
         }
     }