fj_core/operations/geometry/
half_edge.rs

1use fj_math::Point;
2
3use crate::{
4    geometry::{CurveBoundary, Geometry, HalfEdgeGeometry, SurfacePath},
5    layers::Layer,
6    objects::HalfEdge,
7    operations::insert::Insert,
8    storage::Handle,
9    Core,
10};
11
12/// Update the geometry of a [`HalfEdge`]
13pub trait UpdateHalfEdgeGeometry {
14    /// Set the path of the half-edge
15    fn set_path(
16        self,
17        path: SurfacePath,
18        geometry: &mut Layer<Geometry>,
19    ) -> Self;
20
21    /// Update the path of the half-edge
22    #[must_use]
23    fn update_path(
24        &self,
25        update: impl FnOnce(SurfacePath) -> SurfacePath,
26        core: &mut Core,
27    ) -> Self;
28
29    /// Update the boundary of the half-edge
30    #[must_use]
31    fn update_boundary(
32        &self,
33        update: impl FnOnce(CurveBoundary<Point<1>>) -> CurveBoundary<Point<1>>,
34        core: &mut Core,
35    ) -> Self;
36}
37
38impl UpdateHalfEdgeGeometry for Handle<HalfEdge> {
39    fn set_path(
40        self,
41        path: SurfacePath,
42        geometry: &mut Layer<Geometry>,
43    ) -> Self {
44        geometry.define_half_edge(self.clone(), HalfEdgeGeometry { path });
45        self
46    }
47
48    fn update_path(
49        &self,
50        update: impl FnOnce(SurfacePath) -> SurfacePath,
51        core: &mut Core,
52    ) -> Self {
53        let path = update(core.layers.geometry.of_half_edge(self).path);
54
55        let half_edge = HalfEdge::new(
56            path,
57            self.boundary(),
58            self.curve().clone(),
59            self.start_vertex().clone(),
60        )
61        .insert(core);
62
63        core.layers
64            .geometry
65            .define_half_edge(half_edge.clone(), HalfEdgeGeometry { path });
66
67        half_edge
68    }
69
70    fn update_boundary(
71        &self,
72        update: impl FnOnce(CurveBoundary<Point<1>>) -> CurveBoundary<Point<1>>,
73        core: &mut Core,
74    ) -> Self {
75        HalfEdge::new(
76            core.layers.geometry.of_half_edge(self).path,
77            update(self.boundary()),
78            self.curve().clone(),
79            self.start_vertex().clone(),
80        )
81        .insert(core)
82    }
83}
fj_core/operations/geometry/half_edge.rs

fj_core/operations/geometry/
half_edge.rs
