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freesewing/packages/simon/src/front.js
2021-09-12 15:29:59 +02:00

128 lines
4.5 KiB
JavaScript

import { calculateReduction } from './shared'
export default (part) => {
const { store, measurements, sa, Point, points, Path, paths, complete, macro, snippets, options } =
part.shorthand()
// Clean up
for (const i in paths) {
if (['frontArmhole', 'frontCollar'].indexOf(i) === -1) delete paths[i]
}
for (const i in snippets) {
if (i.indexOf('otch')) delete snippets[i]
}
// Populare store with data we need
calculateReduction(part)
store.set(
'frontArmholeLength',
new Path()
.move(points.armhole)
.curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
.curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
.join(paths.frontArmhole)
.length()
)
// Hip shaping
points.hips = points.hips.shift(180, store.get('hipsReduction') / 4)
points.hem = points.hem.shift(180, store.get('hipsReduction') / 4)
// Waist shaping
let reduce = store.get('waistReduction')
if (store.get('backDarts')) reduce = (reduce * (1 - options.backDartShaping)) / 4
else reduce = reduce / 4
points.waist = points.waist.shift(180, reduce)
points.waistCp1 = points.waist.shift(-90, measurements.waistToHips * 0.5)
points.waistCp2 = points.waist.shift(90, points.armhole.dy(points.waist) / 2)
points.hipsCp2 = points.hips.shift(90, points.waist.dy(points.hips) / 4)
// Never make the hips more narrow than the waist because that looks silly
if (points.hem.x < points.waist.x) {
points.hem.x = points.waist.x
points.hips.x = points.waist.x
points.hipsCp2.x = points.waist.x
}
// Draft hem
paths.saBaseFromHips = new Path()
.move(points.hips)
.curve(points.hipsCp2, points.waistCp1, points.waist)
.curve_(points.waistCp2, points.armhole)
paths.saBaseFromArmhole = new Path()
.move(points.armhole)
.curve(points.armholeCp2, points.armholeHollowCp1, points.armholeHollow)
.curve(points.armholeHollowCp2, points.armholePitchCp1, points.armholePitch)
.join(paths.frontArmhole)
.line(points.s3CollarSplit)
.join(paths.frontCollar)
switch (options.hemStyle) {
case 'baseball':
points.bballStart = points.cfHem.shiftFractionTowards(points.hem, 0.5)
points.bballEnd = points.hem.shiftFractionTowards(points.hips, options.hemCurve)
points.bballCp1 = points.bballStart.shiftFractionTowards(points.hem, 0.5)
points.bballCp2 = new Point(points.bballCp1.x, points.bballEnd.y)
paths.saBase = new Path().move(points.bballEnd).line(points.hips).join(paths.saBaseFromHips)
paths.hemBase = new Path()
.move(points.cfHem)
.line(points.bballStart)
.curve(points.bballCp1, points.bballCp2, points.bballEnd)
break
case 'slashed':
macro('round', {
from: points.hips,
to: points.cfHem,
via: points.hem,
radius: points.hips.dist(points.hem) * options.hemCurve,
prefix: 'slash',
})
paths.saBase = new Path().move(points.hips).join(paths.saBaseFromHips)
paths.hemBase = new Path()
.move(points.cfHem)
.line(points.slashEnd)
.curve(points.slashCp2, points.slashCp1, points.slashStart)
break
default:
paths.saBase = new Path().move(points.hem).line(points.hips).join(paths.saBaseFromHips)
paths.hemBase = new Path().move(points.cfHem).line(points.hem)
}
// Paths
paths.saBase.render = false
paths.saBaseFromHips.render = false
paths.saBaseFromArmhole.render = false
paths.hemBase.render = false
paths.seam = paths.hemBase
.join(paths.saBase)
.join(paths.saBaseFromArmhole)
.attr('class', 'fabric')
// Complete pattern?
if (complete) {
delete paths.cutonfold
macro('grainline', {
from: points.cfHem.shift(0, 45),
to: points.cfNeck.shift(0, 45),
})
macro('title', { at: points.title, nr: 'X', title: 'front' })
macro('sprinkle', {
snippet: 'notch',
on: ['waist', 'armholePitch', 'hips', 'cfHips', 'cfWaist', 'armhole', 'cfArmhole'],
})
if (sa) {
paths.saFrench = paths.saBase.offset(sa * options.ffsa).attr('class', 'fabric sa')
paths.saFromArmhole = paths.saBaseFromArmhole.offset(sa).attr('class', 'fabric sa')
paths.hemSa = paths.hemBase.offset(sa * 3).attr('class', 'fabric sa')
paths.saConnect = new Path()
.move(paths.hemSa.end())
.line(paths.saFrench.start())
.move(paths.saFrench.end())
.line(paths.saFromArmhole.start())
.attr('class', 'fabric sa')
delete paths.sa
}
}
return part
}