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Add surface_aabb_from_bounded_curve

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Hanno Braun 2024-10-10 18:49:24 +02:00
parent 27179edb8f
commit 671ffc169a
1 changed files with 19 additions and 2 deletions
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21
crates/fj-core/src/geometry/util.rs
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@ -7,9 +7,9 @@
//! module provides an easy place to put new things, before it's clear what to //! module provides an easy place to put new things, before it's clear what to
//! do with them long-term. //! do with them long-term.
use fj_math::Point; use fj_math::{Aabb, Point};
use super::{traits::GenPolyline, Tolerance}; use super::{traits::GenPolyline, CurveBoundary, Tolerance};
/// # Convert a point on a curve from curve coordinates to surface coordinates /// # Convert a point on a curve from curve coordinates to surface coordinates
pub fn curve_point_to_surface_point( pub fn curve_point_to_surface_point(
@ -25,3 +25,20 @@ pub fn curve_point_to_surface_point(
line.point_from_line_coords(point_curve) line.point_from_line_coords(point_curve)
} }
/// # Generate a 2D axis-aligned bounding box for a curve in a given range
pub fn surface_aabb_from_bounded_curve(
curve: &dyn GenPolyline<2>,
boundary: impl Into<CurveBoundary<Point<1>>>,
tolerance: impl Into<Tolerance>,
) -> Aabb<2> {
let boundary = boundary.into();
let tolerance = tolerance.into();
let points_curve = curve.generate_polyline(boundary, tolerance);
let points_surface = points_curve.into_iter().map(|point_curve| {
curve_point_to_surface_point(curve, point_curve, tolerance)
});
Aabb::<2>::from_points(points_surface)
}