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Prepare for follow-on change

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Hanno Braun 2024-06-21 20:40:42 +02:00
parent 77183637a3
commit 93be464872
1 changed files with 33 additions and 16 deletions
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49
crates/fj-core/src/algorithms/approx/curve.rs
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@ -26,23 +26,40 @@ impl Approx for (&Handle<Curve>, &Handle<Surface>, CurveBoundary<Point<1>>) {
) -> Self::Approximation { ) -> Self::Approximation {
let (curve, surface, boundary) = self; let (curve, surface, boundary) = self;
match cache.get(curve, boundary) { approx_curve_with_cache(
Some(approx) => approx, curve, surface, boundary, tolerance, cache, geometry,
None => { )
let approx = approx_curve( }
&geometry }
.of_curve(curve)
.unwrap()
.local_on(surface)
.unwrap()
.path,
geometry.of_surface(surface),
boundary,
tolerance,
);
cache.insert(curve.clone(), boundary, approx) /// Approximate the provided curve
} ///
/// The approximation is cached, and cached approximations are used, where
/// possible.
pub fn approx_curve_with_cache(
curve: &Handle<Curve>,
surface: &Handle<Surface>,
boundary: CurveBoundary<Point<1>>,
tolerance: impl Into<Tolerance>,
cache: &mut CurveApproxCache,
geometry: &Geometry,
) -> CurveApprox {
match cache.get(curve, boundary) {
Some(approx) => approx,
None => {
let approx = approx_curve(
&geometry
.of_curve(curve)
.unwrap()
.local_on(surface)
.unwrap()
.path,
geometry.of_surface(surface),
boundary,
tolerance,
);
cache.insert(curve.clone(), boundary, approx)
} }
} }
} }