@davepagurek/flo-mat/node/geometry/get-closest-square-distance-to-rect.js

Medial / Scale Axis Transform (MAT/SAT) Library.

import { squaredDistanceBetween as squaredDistanceBetween_ } from 'flo-vector2d';
const squaredDistanceBetween = squaredDistanceBetween_;
/**
 * @internal
 */
function getClosestSquareDistanceToRect(box, p) {
    const p0 = box[0];
    const p1 = box[1];
    const x0 = p0[0];
    const y0 = p0[1];
    const x1 = p1[0];
    const y1 = p1[1];
    const xp = p[0];
    const yp = p[1];
    //let [[x0,y0],[x1,y1]] = box;
    //let [xp,yp] = p;
    if (xp < x0) {
        if (yp < y0) {
            return squaredDistanceBetween(box[0], p);
        }
        else if (yp > y1) {
            return squaredDistanceBetween([x0, y1], p);
        }
        else {
            return (x0 - xp) ** 2;
        }
    }
    else if (xp > x1) {
        if (yp < y0) {
            return squaredDistanceBetween([x1, y0], p);
        }
        else if (yp > y1) {
            return squaredDistanceBetween(box[1], p);
        }
        else {
            return (xp - x1) ** 2;
        }
    }
    else {
        if (yp < y0) {
            return (y0 - yp) ** 2;
        }
        else if (yp > y1) {
            return (yp - y1) ** 2;
        }
        return 0;
    }
}
export { getClosestSquareDistanceToRect };
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