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Mathias Krafft 2025-03-28 10:50:19 +01:00
parent 1919b3db1a
commit 074445d309
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2 changed files with 318 additions and 167 deletions
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20
packages/math/point.ts
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@ -241,20 +241,20 @@ export const isPointWithinBounds = <P extends GlobalPoint | LocalPoint>(
* @param end - The ending point of the line segment.
* @returns The perpendicular distance from point p to the line segment defined by start and end.
*/
export const perpendicularDistance = <P extends GlobalPoint | LocalPoint> (
export const perpendicularDistance = <P extends GlobalPoint | LocalPoint>(
p: P,
start: P,
end: P):
number => {
const dx = end[0] - start[0];
const dy = end[1] - start[1];
if (dx === 0 && dy === 0) {
return Math.hypot(p[0] - start[0], p[1] - start[1]);
}
// Equation of line distance
const numerator = Math.abs(dy * p[0] - dx * p[1] + end[0] * start[1] - end[1] * start[0]);
const denom = Math.hypot(dx, dy);
return numerator / denom;
const dx = end[0] - start[0];
const dy = end[1] - start[1];
if (dx === 0 && dy === 0) {
return Math.hypot(p[0] - start[0], p[1] - start[1]);
}
// Equation of line distance
const numerator = Math.abs(dy * p[0] - dx * p[1] + end[0] * start[1] - end[1] * start[0]);
const denom = Math.hypot(dx, dy);
return numerator / denom;
}
/** * Calculates the angle between three points in degrees.