107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
import { calculateRatios, backSideBoundary } from './shared.mjs'
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import { back as bentBack } from '@freesewing/bent'
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import { hidePresets } from '@freesewing/core'
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import {
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centerBackDart,
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hipsEase,
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waistEase,
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rollLineCollarHeight,
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reduceWaistStandardFraction,
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reduceWaistDartFraction,
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reduceHipsStandardFraction,
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lengthBonus,
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} from './options.mjs'
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function jaegerBackBase({ store, points, measurements, options, Point, paths, Path, part }) {
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calculateRatios(part)
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/**
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* Shaping the back seam
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*/
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points.cbChest = new Point(0, points.armholePitchCp1.y)
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if (options.centerBackDart > 0) {
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points.cbChestCp1 = points.cbChest.shiftFractionTowards(points.cbNeck, 0.5)
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points.cbNeck = points.cbNeck.shift(0, measurements.chest * options.centerBackDart)
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}
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points.cbChestCp2 = points.cbChest.shift(-90, points.cbChest.dy(points.cbWaist) / 3)
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points.cbWaist = points.cbWaist.shift(
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0,
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store.get('waistReduction') * options.reduceWaistStandardFraction
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)
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points.cbWaistCp1 = points.cbWaist.shift(90, points.cbChest.dy(points.cbWaist) / 3)
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points.cbHips = points.cbHips.shift(
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0,
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store.get('hipsReduction') * options.reduceHipsStandardFraction
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)
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points.cbHem = points.cbHem.shift(
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0,
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store.get('hipsReduction') * options.reduceHipsStandardFraction
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)
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points.cbWaistCp2 = points.cbWaist.shift(-90, points.cbWaist.dy(points.cbHips) / 3)
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points.cbHipsCp1 = points.cbHips.shift(90, points.cbWaist.dy(points.cbHips) / 3)
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/**
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* Shaping the side seam
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*/
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backSideBoundary(part)
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// Divide reduction by 4: two side panels x two sides per panel = 4
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points.waist = points.bsWaist.shift(
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180,
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store.get('waistReduction') * options.reduceWaistStandardFraction
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)
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points.waistCp2 = points.waist.shift(90, points.cbChest.dy(points.waist) / 3)
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points.hips = points.bsHips.shift(
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180,
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store.get('hipsReduction') * options.reduceHipsStandardFraction
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)
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points.waistCp1 = points.waist.shift(-90, points.waist.dy(points.hips) / 3)
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points.hipsCp2 = points.hips.shift(90, points.waist.dy(points.hips) / 3)
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points.hem = new Point(points.hips.x, points.hem.y)
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// Store length of back collar
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store.set(
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'backCollarLength',
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new Path().move(points.cbNeck)._curve(points.neckCp2, points.neck).length()
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)
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// Paths
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paths.cb = new Path().move(points.cbNeck)
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if (options.centerBackDart > 0) paths.cb._curve(points.cbChestCp1, points.cbChest)
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else paths.cb.line(points.cbChest)
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paths.cb
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.curve(points.cbChestCp2, points.cbWaistCp1, points.cbWaist)
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.curve(points.cbWaistCp2, points.cbHipsCp1, points.cbHips)
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.line(points.cbHem)
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.attr('class', 'stroke-xl lining')
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paths.bss = new Path()
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.move(points.armholeHollow)
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.curve(points.bsArmholeHollowCp2, points.waistCp2, points.waist)
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.curve(points.waistCp1, points.hipsCp2, points.hips)
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.line(points.hem)
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.attr('class', 'stroke-xl lining')
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return part
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}
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export const backBase = {
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name: 'jaeger.backBase',
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measurements: ['hips', 'waist'],
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from: bentBack,
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hide: hidePresets.HIDE_ALL,
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options: {
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centerBackDart,
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hipsEase,
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waistEase,
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rollLineCollarHeight,
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reduceWaistStandardFraction,
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reduceWaistDartFraction,
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reduceHipsStandardFraction,
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lengthBonus,
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},
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draft: jaegerBackBase,
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}
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