freesewing/packages/bruce/src/inset.js

import init from "./init";

export default function(part) {
  // prettier-ignore
  let {store, sa, Point, points, Path, paths, Snippet, snippets, options, measurements, complete, paperless, macro, utils} = part.shorthand();

  // Initialize
  init(part);

  // height is 73.5%
  points.topLeft = new Point(0,0);
  points.bottomLeft = points.topLeft.shift(-90, store.get('heightInset'));
  points.bottomRight = new Point(store.get('legInset'), points.bottomLeft.y);
  points.tip = new Point(points.bottomRight.x * 1.111, points.bottomRight.y - store.get('gusset'));
  points.tip = points.bottomRight.shiftTowards(
    points.tip,
    store.get('crotchSeamLength') - store.get('gusset') * (1-store.get('gussetInsetRatio'))
    );
  points.tipCpTop = new Point(store.get('gusset') * 1.2, 0);
  points.tipCpBottom = points.tip.shift(points.bottomRight.angle(points.tip)+90, store.get('gusset') * 1.5);

  // Store cuve length
  store.set('curve', new Path()
    .move(points.tip)
    .curve(points.tipCpBottom, points.tipCpTop, points.topLeft)
    .length()
  );

  // Path
  paths.seam = new Path()
    .move(points.topLeft)
    .line(points.bottomLeft)
    .line(points.bottomRight)
    .line(points.tip)
    .curve(points.tipCpBottom, points.tipCpTop, points.topLeft)
    .close()
    .attr('class', 'fabric');

  // Complete pattern?
  if (complete) {
    if(sa) paths.sa = paths.seam.offset(sa).attr('class', 'fabric sa');
    points.title = points.topLeft.shiftFractionTowards(points.bottomRight, 0.5);
    macro('title', {
      at: points.title.shift(-90, 15),
      nr: 4,
      title: 'inset'
    });
    macro('grainline', {
      from: points.bottomLeft.shift(0, 15),
      to: points.topLeft.shift(0, 15),
    });
  }

  // Paperless?
  if (paperless) {
    macro('vd', {
      from: points.bottomLeft,
      to: points.topLeft,
      x: points.topLeft.x - 15 - sa
    });
    macro('vd', {
      from: points.bottomRight,
      to: points.tip,
      x: points.tip.x + 15 + sa
    });
    macro('hd', {
      from: points.bottomLeft,
      to: points.bottomRight,
      y: points.bottomRight.y + 15 + sa
    });
    macro('hd', {
      from: points.bottomLeft,
      to: points.tip,
      y: points.bottomRight.y + 30 + sa
    });
  }

  return part;
};