Move reference to Surface from Curve to HalfEdge

crates/fj-kernel/src/algorithms/approx/curve.rs

@@ -13,13 +13,13 @@ use std::collections::BTreeMap;
 
 use crate::{
     geometry::path::{GlobalPath, SurfacePath},
-    objects::{Curve, GlobalCurve},
+    objects::{Curve, GlobalCurve, Surface},
     storage::{Handle, ObjectId},
 };
 
 use super::{path::RangeOnPath, Approx, ApproxPoint, Tolerance};
 
-impl Approx for (&Handle<Curve>, RangeOnPath) {
+impl Approx for (&Handle<Curve>, &Surface, RangeOnPath) {
     type Approximation = CurveApprox;
     type Cache = CurveCache;
 
@@ -28,13 +28,14 @@ impl Approx for (&Handle<Curve>, RangeOnPath) {
         tolerance: impl Into<Tolerance>,
         cache: &mut Self::Cache,
     ) -> Self::Approximation {
-        let (curve, range) = self;
+        let (curve, surface, range) = self;
 
         let global_curve = curve.global_form().clone();
         let global_curve_approx = match cache.get(global_curve.clone(), range) {
             Some(approx) => approx,
             None => {
-                let approx = approx_global_curve(curve, range, tolerance);
+                let approx =
+                    approx_global_curve(curve, surface, range, tolerance);
                 cache.insert(global_curve, range, approx)
             }
         };
@@ -53,6 +54,7 @@ impl Approx for (&Handle<Curve>, RangeOnPath) {
 
 fn approx_global_curve(
     curve: &Curve,
+    surface: &Surface,
     range: RangeOnPath,
     tolerance: impl Into<Tolerance>,
 ) -> GlobalCurveApprox {
@@ -62,7 +64,7 @@ fn approx_global_curve(
     // This will probably all be unified eventually, as `SurfacePath` and
     // `GlobalPath` grow APIs that are better suited to implementing this code
     // in a more abstract way.
-    let points = match (curve.path(), curve.surface().geometry().u) {
+    let points = match (curve.path(), surface.geometry().u) {
         (SurfacePath::Circle(_), GlobalPath::Circle(_)) => {
             todo!(
                 "Approximating a circle on a curved surface not supported yet."
@@ -88,8 +90,7 @@ fn approx_global_curve(
                     //    surface point available, so it needs to be computed
                     //    later anyway, in the general case.
 
-                    let point_global = curve
-                        .surface()
+                    let point_global = surface
                         .geometry()
                         .point_from_surface_coords(point_surface);
                     (point_curve, point_global)
@@ -102,17 +103,15 @@ fn approx_global_curve(
                     [curve.path().point_from_path_coords(point_curve).u]
                 }));
 
-            let approx_u = (curve.surface().geometry().u, range_u)
+            let approx_u = (surface.geometry().u, range_u)
                 .approx_with_cache(tolerance, &mut ());
 
             let mut points = Vec::new();
             for (u, _) in approx_u {
                 let t = (u.t - line.origin().u) / line.direction().u;
                 let point_surface = curve.path().point_from_path_coords([t]);
-                let point_global = curve
-                    .surface()
-                    .geometry()
-                    .point_from_surface_coords(point_surface);
+                let point_global =
+                    surface.geometry().point_from_surface_coords(point_surface);
                 points.push((u, point_global));
             }
 
@@ -211,7 +210,7 @@ impl GlobalCurveApprox {
 
 #[cfg(test)]
 mod tests {
-    use std::f64::consts::TAU;
+    use std::{f64::consts::TAU, ops::Deref};
 
     use pretty_assertions::assert_eq;
 
@@ -220,7 +219,7 @@ mod tests {
         builder::{CurveBuilder, SurfaceBuilder},
         geometry::path::GlobalPath,
         insert::Insert,
-        partial::{Partial, PartialCurve, PartialObject, PartialSurface},
+        partial::{PartialCurve, PartialObject, PartialSurface},
         services::Services,
     };
 
@@ -231,17 +230,14 @@ mod tests {
         let mut services = Services::new();
 
         let surface = services.objects.surfaces.xz_plane();
-        let mut curve = PartialCurve {
-            surface: Partial::from(surface),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[1., 1.], [2., 1.]]);
         let curve = curve
             .build(&mut services.objects)
             .insert(&mut services.objects);
         let range = RangeOnPath::from([[0.], [1.]]);
 
-        let approx = (&curve, range).approx(1.);
+        let approx = (&curve, surface.deref(), range).approx(1.);
 
         assert_eq!(approx, CurveApprox::empty());
     }
@@ -256,17 +252,14 @@ mod tests {
         )
         .build(&mut services.objects)
         .insert(&mut services.objects);
-        let mut curve = PartialCurve {
-            surface: Partial::from(surface),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[1., 1.], [1., 2.]]);
         let curve = curve
             .build(&mut services.objects)
             .insert(&mut services.objects);
         let range = RangeOnPath::from([[0.], [1.]]);
 
-        let approx = (&curve, range).approx(1.);
+        let approx = (&curve, surface.deref(), range).approx(1.);
 
         assert_eq!(approx, CurveApprox::empty());
     }
@@ -279,10 +272,7 @@ mod tests {
         let surface = PartialSurface::from_axes(path, [0., 0., 1.])
             .build(&mut services.objects)
             .insert(&mut services.objects);
-        let mut curve = PartialCurve {
-            surface: Partial::from(surface.clone()),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[0., 1.], [1., 1.]]);
         let curve = curve
             .build(&mut services.objects)
@@ -291,7 +281,7 @@ mod tests {
         let range = RangeOnPath::from([[0.], [TAU]]);
         let tolerance = 1.;
 
-        let approx = (&curve, range).approx(tolerance);
+        let approx = (&curve, surface.deref(), range).approx(tolerance);
 
         let expected_approx = (path, range)
             .approx(tolerance)
@@ -312,27 +302,22 @@ mod tests {
         let mut services = Services::new();
 
         let surface = services.objects.surfaces.xz_plane();
-        let mut curve = PartialCurve {
-            surface: Partial::from(surface),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_circle_from_radius(1.);
         let curve = curve
             .build(&mut services.objects)
             .insert(&mut services.objects);
 
         let range = RangeOnPath::from([[0.], [TAU]]);
         let tolerance = 1.;
-        let approx = (&curve, range).approx(tolerance);
+        let approx = (&curve, surface.deref(), range).approx(tolerance);
 
         let expected_approx = (curve.path(), range)
             .approx(tolerance)
             .into_iter()
             .map(|(_, point_surface)| {
-                let point_global = curve
-                    .surface()
-                    .geometry()
-                    .point_from_surface_coords(point_surface);
+                let point_global =
+                    surface.geometry().point_from_surface_coords(point_surface);
                 ApproxPoint::new(point_surface, point_global)
             })
             .collect::<Vec<_>>();

crates/fj-kernel/src/algorithms/approx/edge.rs

@@ -5,6 +5,8 @@
 //! approximations are usually used to build cycle approximations, and this way,
 //! the caller doesn't have to call with duplicate vertices.
 
+use std::ops::Deref;
+
 use crate::{objects::HalfEdge, storage::Handle};
 
 use super::{
@@ -30,8 +32,8 @@ impl Approx for &Handle<HalfEdge> {
             self.start_vertex().global_form().position(),
         )
         .with_source((self.clone(), self.boundary()[0]));
-        let curve_approx =
-            (self.curve(), range).approx_with_cache(tolerance, cache);
+        let curve_approx = (self.curve(), self.surface().deref(), range)
+            .approx_with_cache(tolerance, cache);
 
         HalfEdgeApprox {
             first,

crates/fj-kernel/src/algorithms/intersect/curve_edge.rs

@@ -87,10 +87,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            surface: surface.clone(),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -118,10 +115,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            surface: surface.clone(),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -149,10 +143,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            surface: surface.clone(),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {
@@ -175,10 +166,7 @@ mod tests {
         let mut services = Services::new();
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
-        let mut curve = PartialCurve {
-            surface: surface.clone(),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_u_axis();
         let curve = curve.build(&mut services.objects);
         let half_edge = {

crates/fj-kernel/src/algorithms/intersect/curve_face.rs

@@ -163,10 +163,7 @@ mod tests {
 
         let surface = Partial::from(services.objects.surfaces.xy_plane());
 
-        let mut curve = PartialCurve {
-            surface: surface.clone(),
-            ..Default::default()
-        };
+        let mut curve = PartialCurve::default();
         curve.update_as_line_from_points([[-3., 0.], [-2., 0.]]);
         let curve = curve.build(&mut services.objects);
 

crates/fj-kernel/src/algorithms/intersect/face_face.rs

@@ -132,11 +132,8 @@ mod tests {
         let intersection =
             FaceFaceIntersection::compute([&a, &b], &mut services.objects);
 
-        let expected_curves = surfaces.map(|surface| {
-            let mut curve = PartialCurve {
-                surface: Partial::from(surface),
-                ..Default::default()
-            };
+        let expected_curves = surfaces.map(|_| {
+            let mut curve = PartialCurve::default();
             curve.update_as_line_from_points([[0., 0.], [1., 0.]]);
             curve
                 .build(&mut services.objects)

crates/fj-kernel/src/algorithms/intersect/surface_surface.rs

@@ -27,14 +27,10 @@ impl SurfaceSurfaceIntersection {
         // Adaptations were made to get the intersection curves in local
         // coordinates for each surface.
 
-        let surfaces_and_planes = surfaces.map(|surface| {
-            let plane = plane_from_surface(&surface);
-            (surface, plane)
-        });
-        let [a, b] = surfaces_and_planes.clone().map(|(_, plane)| plane);
+        let planes = surfaces.map(|surface| plane_from_surface(&surface));
 
-        let (a_distance, a_normal) = a.constant_normal_form();
-        let (b_distance, b_normal) = b.constant_normal_form();
+        let [(a_distance, a_normal), (b_distance, b_normal)] =
+            planes.map(|plane| plane.constant_normal_form());
 
         let direction = a_normal.cross(&b_normal);
 
@@ -57,11 +53,11 @@ impl SurfaceSurfaceIntersection {
 
         let line = Line::from_origin_and_direction(origin, direction);
 
-        let curves = surfaces_and_planes.map(|(surface, plane)| {
+        let curves = planes.map(|plane| {
             let path = SurfacePath::Line(plane.project_line(&line));
             let global_form = GlobalCurve.insert(objects);
 
-            Curve::new(surface, path, global_form).insert(objects)
+            Curve::new(path, global_form).insert(objects)
         });
 
         Some(Self {
@@ -92,7 +88,7 @@ mod tests {
         algorithms::transform::TransformObject,
         builder::CurveBuilder,
         insert::Insert,
-        partial::{Partial, PartialCurve, PartialObject},
+        partial::{PartialCurve, PartialObject},
         services::Services,
     };
 
@@ -120,18 +116,13 @@ mod tests {
             None,
         );
 
-        let mut expected_xy = PartialCurve {
-            surface: Partial::from(xy.clone()),
-            ..Default::default()
-        };
+        let mut expected_xy = PartialCurve::default();
         expected_xy.update_as_u_axis();
         let expected_xy = expected_xy
             .build(&mut services.objects)
             .insert(&mut services.objects);
-        let mut expected_xz = PartialCurve {
-            surface: Partial::from(xz.clone()),
-            ..Default::default()
-        };
+
+        let mut expected_xz = PartialCurve::default();
         expected_xz.update_as_u_axis();
         let expected_xz = expected_xz
             .build(&mut services.objects)

crates/fj-kernel/src/algorithms/reverse/edge.rs

@@ -19,6 +19,7 @@ impl Reverse for Handle<HalfEdge> {
         };
 
         HalfEdge::new(
+            self.surface().clone(),
             self.curve().clone(),
             vertices,
             self.global_form().clone(),