App: rename directory

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

@@ -0,0 +1,44 @@
+use nalgebra::DVector;
+use rustc_hash::FxHashSet;
+use slab::Slab;
+use sycamore::prelude::*;
+
+#[derive(Clone, PartialEq)]
+pub struct Element {
+    pub id: String,
+    pub label: String,
+    pub color: [f32; 3],
+    pub rep: DVector<f64>,
+    pub constraints: FxHashSet<usize>
+}
+
+#[derive(Clone)]
+pub struct Constraint {
+    pub args: (usize, usize),
+    pub rep: f64
+}
+
+// a complete, view-independent description of an assembly
+#[derive(Clone)]
+pub struct Assembly {
+    pub elements: Signal<Slab<Element>>,
+    pub constraints: Signal<Slab<Constraint>>
+}
+
+impl Assembly {
+    pub fn new() -> Assembly {
+        Assembly {
+            elements: create_signal(Slab::new()),
+            constraints: create_signal(Slab::new())
+        }
+    }
+    
+    pub fn insert_constraint(&self, constraint: Constraint) {
+        let args = constraint.args;
+        let key = self.constraints.update(|csts| csts.insert(constraint));
+        self.elements.update(|elts| {
+            elts[args.0].constraints.insert(key);
+            elts[args.1].constraints.insert(key);
+        })
+    }
+}