freesewing/packages/bruce/src/inset.js

import init from "./init";

export default function(part) {
  let {
    store,
    sa,
    Point,
    points,
    Path,
    paths,
    complete,
    paperless,
    macro
  } = 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;
}