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Rectangle distance and tests

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Mark Tolmacs 2024-09-25 15:04:46 +02:00
parent 9a8aabbeca
commit 47cc842415
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5 changed files with 72 additions and 25 deletions
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30
packages/math/rectangle.ts
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@ -1,19 +1,19 @@
import { invariant } from "../excalidraw/utils";
import { point } from "./point";
import { segment, segmentDistanceToPoint } from "./segment";
import type { GenericPoint, Rectangle } from "./types";
export function rectangle<P extends GenericPoint>(
a: P,
b: P,
c: P,
d: P,
topLeft: P,
bottomRight: P,
): Rectangle<P> {
return [a, b, c, d] as Rectangle<P>;
return [topLeft, bottomRight] as Rectangle<P>;
}
export function rectangleFromQuad<P extends GenericPoint>(
quad: [a: P, b: P, c: P, d: P],
export function rectangleFromPair<P extends GenericPoint>(
pair: [a: P, b: P],
): Rectangle<P> {
return quad as Rectangle<P>;
return pair as Rectangle<P>;
}
export function rectangleFromArray<P extends GenericPoint>(
@ -26,3 +26,17 @@ export function rectangleFromArray<P extends GenericPoint>(
return pointArray as Rectangle<P>;
}
export function rectangleDistanceFromPoint<Point extends GenericPoint>(
r: Rectangle<Point>,
p: Point,
): number {
const sides = [
segment(point(r[0][0], r[0][1]), point(r[1][0], r[0][1])),
segment(point(r[1][0], r[0][1]), point(r[1][0], r[1][1])),
segment(point(r[1][0], r[1][1]), point(r[0][0], r[1][1])),
segment(point(r[0][0], r[1][1]), point(r[0][0], r[0][1])),
];
return Math.min(...sides.map((side) => segmentDistanceToPoint(p, side)));
}