@core-graphics/rect/distance/dist/core-graphics-rect-distance.esm.js

JS utilities for managing rects

import { Point } from '@core-graphics/point';
import { intersects } from '../../intersection/dist/core-graphics-rect-intersection.esm.js';
import { R as Rect } from '../../dist/lite-3fdd983e.esm.js';
import '@core-graphics/size';

/* -----------------------------------------------------------------------------
 * Distance methods
 * -----------------------------------------------------------------------------*/

/**
 * Returns the distance of a rect from a point
 */
function distanceFromPoint(r, p) {
  var x = 0;
  var y = 0;
  if (p.x < r.x) x = r.x - p.x;else if (p.x > r.maxX) x = p.x - r.maxX;
  if (p.y < r.y) y = r.y - p.y;else if (p.y > r.maxY) y = p.y - r.maxY;
  return {
    x: x,
    y: y,
    value: Point.distance({
      x: x,
      y: y
    })
  };
}
/**
 * Returns the distance of a rect from another rect
 */

function distanceFromRect(rA, v) {
  var rB = Rect.cast(v);
  if (intersects(rA, rB)) return {
    x: 0,
    y: 0,
    value: 0
  };
  var left = rA.x < rB.x ? rA : rB;
  var right = rB.x < rA.x ? rA : rB;
  var x = left.x === right.x ? 0 : right.x - left.maxX;
  x = Math.max(0, x);
  var upper = rA.y < rB.y ? rA : rB;
  var lower = rB.y < rA.y ? rA : rB;
  var y = upper.y === lower.y ? 0 : lower.y - upper.maxY;
  y = Math.max(0, y);
  return {
    x: x,
    y: y,
    value: Point.distance({
      x: x,
      y: y
    })
  };
}
/**
 * Returns the inner distance between an outer rect and an inner rect
 */

function edgeDistance(outer, inner) {
  return {
    left: inner.x - outer.x,
    top: inner.y - outer.y,
    right: outer.maxX - inner.maxX,
    bottom: outer.maxY - inner.maxY
  };
}

export { distanceFromPoint, distanceFromRect, edgeDistance };