freesewing/packages/bruce/src/inset.js

import { init } from "./shared";

var back = {
  draft: function(part) {
    // prettier-ignore
    let {store, sa, Point, points, Path, paths, Snippet, snippets, options, measurements, final, 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');

    // Final?
    if (final) {
      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;
  }
};

export default back;