@thi.ng/geom-arc/closest-point.js

2D circular / elliptic arc operations

import { fit01 } from "@thi.ng/math/fit";
import { minError } from "@thi.ng/math/min-error";
import { distSq2 } from "@thi.ng/vectors/distsq";
import { pointAtTheta } from "./point-at.js";
const closestPoint = (p, o, r, axis, start, end, out = [], res, iter) => {
  const fn = (t) => pointAtTheta(o, r, axis, fit01(t, start, end), out);
  return fn(minError(fn, distSq2, p, res, iter));
};
export {
  closestPoint
};