Merge pull request #121 from CypherNaught-0x/fix/fillet-keeps-dimensions

Fillet and chamfer keep the dimensions of the corner they replace on a virtual sharp corner

crates/ui-egui/src/viewport.rs

@@ -2112,6 +2112,7 @@ fn overlays(app: &SolveApp, painter: &egui::Painter, proj: &Proj) {
     let Some(ss) = st.sketch(sid) else { return };
     let sk = &ss.sketch;
     let locked = sk.locked_points();
+    let virtual_corners: Vec<usize> = sk.virtual_corners().into_iter().map(|(i, _)| i).collect();
     for (i, p) in sk.points.iter().enumerate() {
         if !solvecraft_engine::view::sketch_point_visible(sk, i) {
             continue;
@@ -2128,6 +2129,9 @@ fn overlays(app: &SolveApp, painter: &egui::Painter, proj: &Proj) {
         };
         if i == 0 {
             painter.circle(sp, 3.5, Color32::from_rgb(240, 200, 60), Stroke::new(1.0, t.body_edge));
+        } else if virtual_corners.contains(&i) {
+            // A virtual sharp corner: an open square, it is not on any drawn curve.
+            painter.rect_stroke(Rect::from_center_size(sp, vec2(6.0, 6.0)), 0.0, Stroke::new(1.2, c), egui::StrokeKind::Middle);
         } else {
             painter.rect_filled(Rect::from_center_size(sp, vec2(5.0, 5.0)), 0.0, c);
         }