freesewing/packages/examples/src/utils_curvesintersect.js

export default part => {
  let { Point, points, Path, paths, Snippet, snippets, utils } = part.shorthand()

  points.A = new Point(10, 10)
  points.Acp = new Point(310, 40)
  points.B = new Point(110, 70)
  points.Bcp = new Point(-210, 40)

  points.C = new Point(20, -5)
  points.Ccp = new Point(60, 300)
  points.D = new Point(100, 85)
  points.Dcp = new Point(70, -220)
  paths.curveA = new Path().move(points.A).curve(points.Acp, points.Bcp, points.B)
  paths.curveB = new Path().move(points.C).curve(points.Ccp, points.Dcp, points.D)

  for (let p of utils.curvesIntersect(
    points.A,
    points.Acp,
    points.Bcp,
    points.B,
    points.C,
    points.Ccp,
    points.Dcp,
    points.D
  )) {
    snippets[part.getId()] = new Snippet('notch', p)
  }

  return part
}