freesewing/packages/carlton/src/tail.js

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

  let length = store.get("waistToHem") - store.get("beltWidth")/2;

  points.cbTop = new Point(0,0);
  points.fold1Top = points.cbTop.shift(0, store.get("cbToDart")/2);
  points.fold2Top = points.cbTop.shift(0, store.get("cbToDart"));
  points.fold3Top = points.cbTop.shift(0, store.get("cbToDart")*2);
  points.fold4Top = points.fold3Top.shift(0, store.get("cbToDart")/2);
  points.waistTop = points.fold4Top.shift(0, store.get("dartToSide"));

  // 12cm will do as we're just drawing a rectangle.
  // But check that lenght > 12cm because doll clothes.
  let drawnLength = length < 120 ? length : 120;

  for (let i of ["cb", "fold1", "fold2", "fold3", "fold4", "waist"]) {
    points[i+"Bottom"] = points[i+"Top"].shift(-90, drawnLength);
    if (i === "cb" || i === "waist") {
      points[i+"MidTop"] = points[i+"Top"].shift(-90, drawnLength * 0.4);
      points[i+"MidBottom"] = points[i+"Top"].shift(-90, drawnLength * 0.6);
    }
  }

  paths.seam = new Path()
    .move(points.cbTop)
    .line(points.cbMidTop)
    .move(points.cbMidBottom)
    .line(points.cbBottom)
    .line(points.waistBottom)
    .line(points.waistMidBottom)
    .move(points.waistMidTop)
    .line(points.waistTop)
    .line(points.cbTop)
    .attr("class", "fabric");

  paths.folds = new Path()
    .move(points.fold1Top)
    .line(points.fold1Bottom)
    .move(points.fold2Top)
    .line(points.fold2Bottom)
    .move(points.fold3Top)
    .line(points.fold3Bottom)
    .move(points.fold4Top)
    .line(points.fold4Bottom)
    .attr("class", "lashed");

  paths.hint = new Path()
    .move(points.cbMidTop)
    .line(points.cbMidBottom)
    .move(points.waistMidBottom)
    .line(points.waistMidTop)
    .attr("class", "fabric dashed");

  if (complete) {
    points.title = points.fold4Top.shiftFractionTowards(points.waistBottom, 0.5);
    macro("title", {
      at: points.title,
      nr: 3,
      title: "tail"
    });

    macro("grainline", {
      from: points.fold2Bottom.shift(0, 10),
      to: points.fold2Top.shift(0, 10)
    });

    if (sa) paths.sa = paths.seam.offset(sa).close().attr("class", "fabric sa");
    macro("vd", {
      from: points.fold4Bottom.shift(0, 15),
      to: points.fold4Top.shift(0, 15),
      text: units(length)
    });

    if (paperless) {
      macro("hd", {
        from: points.cbBottom,
        to: points.fold1Bottom,
        y: points.cbBottom.y + sa + 15
      });
      macro("hd", {
        from: points.fold1Bottom,
        to: points.fold2Bottom,
        y: points.cbBottom.y + sa + 15
      });
      macro("hd", {
        from: points.fold2Bottom,
        to: points.fold3Bottom,
        y: points.cbBottom.y + sa + 15
      });
      macro("hd", {
        from: points.fold3Bottom,
        to: points.fold4Bottom,
        y: points.cbBottom.y + sa + 15
      });
      macro("hd", {
        from: points.fold4Bottom,
        to: points.waistBottom,
        y: points.cbBottom.y + sa + 15
      });
      macro("hd", {
        from: points.cbBottom,
        to: points.waistBottom,
        y: points.cbBottom.y + sa + 30
      });
    }
  }

  return part;
}