68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
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/**
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* This calculates a bunch of helper variables and stores them
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*/
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export const calculateRatios = part => {
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let { store, measurements, options } = part.shorthand();
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// Make sure collar height makes sense
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if (options.collarHeight * 2 < options.rollLineCollarHeight) options.rollLineCollarHeight = options.collarHeight * 2;
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// Calculate different values for reducing from chest to hips via waist
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store.set("chest", measurements.chestCircumference * (1 + options.chestEase));
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store.set("waist", measurements.naturalWaist * (1 + options.waistEase));
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store.set("hips", measurements.hipsCircumference * (1 + options.hipsEase));
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store.set("waistReduction", store.get("chest") - store.get("waist"));
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store.set("hipsReduction", store.get("chest") - store.get("hips"));
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};
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/**
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* Draws the line seperating side panel (back-side boundary, aka bs)
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* Note that this is without shaping, but rather the style line
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* that will be the starting point for shaping the back/side seam
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*
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* On the back, this will be drawn as-is. On the front, it will be
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* drawn, than mirrored so the part that's cut off from the back is
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* added to the front (to become the side later).
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*
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* The optional flip parameter mirrors this for the front part
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*/
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export const backSideBoundary = (part, flip=false) => {
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let { points, Point, paths, Path } = part.shorthand();
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points.bsArmholeHollow = points.armholeHollow.clone();
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points.bsArmholeHollowCp2 = points.armholeHollowCp2.rotate(90, points.armholeHollow);
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points.bsWaist = new Point(
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points.bsArmholeHollowCp2.x,
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points.waist.y
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);
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points.bsHips = new Point(points.bsWaist.x, points.hips.y);
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points.bsHem = new Point(points.bsWaist.x, points.hem.y);
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if (flip) {
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points.bsArmholeHollowCp1 = points.armholeHollowCp1.clone();
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points.bsArmholeCp2 = points.armholeCp2.clone();
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for (let p of [
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"bsArmholeHollow",
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"bsArmholeHollowCp2",
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"bsWaist",
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"bsHips",
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"bsHem",
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"bsArmholeHollowCp1",
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"bsArmholeCp2"
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]) {
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points[p] = points[p].flipX(points.armhole);
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}
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}
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/** Uncomment this to see the style line without shaping
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*/
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paths.bs = new Path()
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.move(points.bsHem)
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.line(points.bsWaist)
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._curve(points.bsArmholeHollowCp2, points.bsArmholeHollow)
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.attr("class", "stroke-xl lining lashed")
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if (flip) paths.bs.curve(points.bsArmholeHollowCp1, points.bsArmholeCp2, points.armhole);
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}
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