freesewing/packages/brian/src/sleeve.js

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

  // Wrist
  let top = paths.sleevecap.bbox().topLeft.y;
  debug({
    style: "info",
    label: "🗸 Sleevecap height",
    msg: units(Math.abs(top))
  });
  debug({
    style: "info",
    label: "🗸 Sleevecap width",
    msg: units(points.bicepsRight.x * 2)
  });
  points.centerWrist = new Point(
    0,
    top + measurements.shoulderToWrist * (1 + options.sleeveLengthBonus)
  );
  points.wristRight = points.centerWrist.shift(
    0,
    (measurements.wristCircumference * (1 + options.cuffEase)) / 2
  );
  points.wristLeft = points.wristRight.rotate(180, points.centerWrist);
  points.sleeveTip = paths.sleevecap.shiftFractionAlong(0.5);

  // Paths
  paths.sleevecap.render = false;
  paths.seam = new Path()
    .move(points.bicepsLeft)
    .move(points.wristLeft)
    .move(points.wristRight)
    .line(points.bicepsRight)
    .join(paths.sleevecap)
    .close()
    .attr("class", "fabric");

  // Anchor point for sampling
  points.gridAnchor = new Point(0, 0);

  // Complete pattern?
  if (complete) {
    points.logo = points.centerBiceps.shiftFractionTowards(
      points.centerWrist,
      0.3
    );
    snippets.logo = new Snippet("logo", points.logo);
    macro("title", { at: points.centerBiceps, nr: 3, title: "sleeve" });
    macro("grainline", { from: points.centerWrist, to: points.centerBiceps });
    points.scaleboxAnchor = points.scalebox = points.centerBiceps.shiftFractionTowards(
      points.centerWrist,
      0.5
    );
    macro("scalebox", { at: points.scalebox });

    points.frontNotch = paths.sleevecap.shiftAlong(
      paths.sleevecap.length() / 2 -
        store.get("frontShoulderToArmholePitch") -
        store.get("sleevecapEase") / 2
    );
    points.backNotch = paths.sleevecap.shiftAlong(
      paths.sleevecap.length() / 2 +
        store.get("backShoulderToArmholePitch") +
        store.get("sleevecapEase") / 2
    );
    snippets.frontNotch = new Snippet("notch", points.frontNotch);
    snippets.backNotch = new Snippet("bnotch", points.backNotch);
    if (sa) paths.sa = paths.seam.offset(sa).attr("class", "fabric sa");
  }

  // Paperless?
  if (paperless) {
    macro("vd", {
      from: points.wristLeft,
      to: points.bicepsLeft,
      x: points.bicepsLeft.x - sa - 15
    });
    macro("vd", {
      from: points.wristLeft,
      to: points.sleeveTip,
      x: points.bicepsLeft.x - sa - 30
    });
    macro("hd", {
      from: points.bicepsLeft,
      to: points.bicepsRight,
      y: points.sleeveTip.y - sa - 30
    });
    macro("hd", {
      from: points.wristLeft,
      to: points.wristRight,
      y: points.wristLeft.y + sa + 30
    });
    macro("pd", {
      path: paths.sleevecap.reverse(),
      d: -1 * sa - 15
    });
  }
  return part;
};