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Arc tests

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Mark Tolmacs 2024-09-25 14:22:32 +02:00
parent f79fb899fc
commit 3fe73e79a6
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9 changed files with 80 additions and 76 deletions
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12
packages/math/arc.ts
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@ -6,11 +6,11 @@ import { PRECISION } from "./utils";
/**
* Constructs a symmetric arc defined by the originating circle radius
* the start angle and end angle with 0 radians being the "northest" point
* the start angle and end angle with 0 radians being the most "eastward" point
* of the circle.
*
* @param radius The radius of the circle this arc lies on
* @param startAngle The start angle with 0 radians being the "northest" point
* @param startAngle The start angle with 0 radians being the most "eastward" point
* @param endAngle The end angle with 0 radians being the "northest" point
* @returns The constructed symmetric arc
*/
@ -46,20 +46,20 @@ export function arcIncludesPoint<P extends GenericPoint>(
* Returns the intersection point(s) of a line segment represented by a start
* point and end point and a symmetric arc.
*/
export function interceptOfSymmetricArcAndSegment<Point extends GenericPoint>(
export function arcSegmentInterceptPoint<Point extends GenericPoint>(
a: Readonly<Arc<Point>>,
l: Readonly<Segment<Point>>,
s: Readonly<Segment<Point>>,
): Point[] {
return ellipseSegmentInterceptPoints(
ellipse(a.center, radians(0), a.radius, a.radius),
l,
s,
).filter((candidate) => {
const [candidateRadius, candidateAngle] = cartesian2Polar(
point(candidate[0] - a.center[0], candidate[1] - a.center[1]),
);
return a.startAngle < a.endAngle
? Math.abs(a.radius - candidateRadius) < 0.0000001 &&
? Math.abs(a.radius - candidateRadius) < PRECISION &&
a.startAngle <= candidateAngle &&
a.endAngle >= candidateAngle
: a.startAngle <= candidateAngle || a.endAngle >= candidateAngle;