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Add SurfaceGeom::generate_tri_mesh

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This commit is contained in:
Hanno Braun 2024-10-10 19:05:53 +02:00
parent 671ffc169a
commit eeb2eb1786
1 changed files with 25 additions and 1 deletions
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26
crates/fj-core/src/geometry/surface.rs
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@ -1,6 +1,6 @@
//! The geometry that defines a surface
use fj_math::{Point, Scalar, Transform, Triangle, Vector};
use fj_math::{Aabb, Point, Scalar, Transform, Triangle, Vector};
use super::{traits::GenPolyline, Path, Tolerance};
@ -76,6 +76,30 @@ impl SurfaceGeom {
(triangle, barycentric_coords)
}
/// # Generated a triangle mesh within the provided boundary
pub fn generate_tri_mesh(
&self,
boundary: Aabb<2>,
tolerance: Tolerance,
) -> Vec<Point<2>> {
let boundary_curve = [[boundary.min.u], [boundary.max.u]];
let points_curve =
self.u.generate_polyline(boundary_curve.into(), tolerance);
points_curve
.iter()
.copied()
.map(|point| [point.t, Scalar::ZERO])
.chain(
points_curve
.iter()
.copied()
.map(|point| [point.t, self.v.magnitude()]),
)
.map(Point::from)
.collect()
}
/// Convert a point in surface coordinates to model coordinates
pub fn point_from_surface_coords(
&self,