chore(shin): Ported shin to new measurements. See #416

packages/shin/config/index.js

@@ -1,24 +1,20 @@
-import { version } from "../package.json";
+import { version } from '../package.json'
 
 export default {
-  name: "shin",
+  name: 'shin',
   version: version,
-  design: "Joost De Cock",
-  code: "Joost De Cock",
-  department: "menswear",
-  type: "pattern",
+  design: 'Joost De Cock',
+  code: 'Joost De Cock',
+  department: 'menswear',
+  type: 'pattern',
   difficulty: 2,
-  tags: ["swimwear", "bottom"],
+  tags: ['swimwear', 'bottom'],
   optionGroups: {
-    fit: ["bulge", "backRise", "legReduction", "stretch"],
-    style: ["lengthBonus", "rise"]
+    fit: ['bulge', 'backRise', 'legReduction', 'stretch'],
+    style: ['lengthBonus', 'rise']
   },
-  measurements: [
-    "hipsCircumference",
-    "upperLegCircumference",
-    "hipsToUpperLeg"
-  ],
-  parts: ["back", "front", "waistband"],
+  measurements: ['hipsCircumference', 'upperLegCircumference', 'waistToUpperLeg', 'waistToHips'],
+  parts: ['back', 'front', 'waistband'],
   options: {
     // Constants
     frontFactor: 0.58,
@@ -37,4 +33,4 @@ export default {
     rise: { pct: 0, min: 0, max: 25 },
     backRise: { pct: 5, min: 0, max: 10 }
   }
-};
+}

packages/shin/src/back.js

@@ -27,17 +27,20 @@ export default function(part) {
 
   points.hipSide = new Point(0, 0)
   points.hipCb = new Point(store.get('hipBack'), 0)
-  points.legSide = points.hipSide.shift(-90 - options.angle, measurements.hipsToUpperLeg)
+  points.legSide = points.hipSide.shift(
+    -90 - options.angle,
+    measurements.waistToUpperLeg - measurements.waistToHips
+  )
   points.legSideCp = points.legSide.shift(options.angle * -1 + 7, store.get('legBack'))
   points.legInner = points.legSideCp.shift(options.angle * -1 - 90, store.get('gusset') / 2)
   points.legSideCp = points.legSideCp.shiftFractionTowards(points.legSide, 0.5)
-  let tmp = new Path()
-    .move(points.legInner)
-    ._curve(points.legSideCp, points.legSide)
-    .shiftAlong(2)
+  let tmp = new Path().move(points.legInner)._curve(points.legSideCp, points.legSide).shiftAlong(2)
   let gussetAngle = points.legInner.angle(tmp)
   points.crossSeam = points.legInner.shift(gussetAngle - 90, store.get('gusset'))
-  points.seatCb = points.hipCb.shift(-86, measurements.hipsToUpperLeg * 0.62)
+  points.seatCb = points.hipCb.shift(
+    -86,
+    (measurements.waistToUpperLeg - measurements.waistToHips) * 0.62
+  )
   tmp = utils.beamsIntersect(
     points.crossSeam,
     points.crossSeam.shift(gussetAngle, 20),
@@ -60,7 +63,7 @@ export default function(part) {
 
   // Lengthen the legs
   if (options.legBonus > 0) {
-    let bonus = measurements.hipsToUpperLeg * options.legBonus
+    let bonus = (measurements.waistToUpperLeg - measurements.waistToHips) * options.legBonus
     points.legSide = points.legSide.shift(-90, bonus)
     points.legSideCp = points.legSideCp.shift(-90, bonus)
     points.reducedLegInner = points.reducedLegInner.shift(-90, bonus)
@@ -68,14 +71,14 @@ export default function(part) {
 
   // Rise
   if (options.rise > 0) {
-    let rise = measurements.hipsToUpperLeg * options.rise
+    let rise = (measurements.waistToUpperLeg - measurements.waistToHips) * options.rise
     points.hipSide = points.hipSide.shift(90, rise)
     points.hipCb = points.hipCb.shift(90, rise)
   }
 
   // Back rise
   if (options.backRise > 0) {
-    let backRise = measurements.hipsToUpperLeg * options.backRise
+    let backRise = (measurements.waistToUpperLeg - measurements.waistToHips) * options.backRise
     points.hipCb = points.hipCb.shift(90, backRise)
     points.hipSide = points.hipSide.shift(90, backRise)
     points.hipCbCp = new Point(points.hipCb.x / 2, points.hipCb.y)

packages/shin/src/front.js

@@ -17,15 +17,21 @@ export default function(part) {
   } = part.shorthand()
 
   let angle = -12
-  let bulge = measurements.hipsToUpperLeg * options.bulge
+  let bulge = (measurements.waistToUpperLeg - measurements.waistToHips) * options.bulge
   points.hipSide = new Point(0, 0)
   points.hipCb = new Point(store.get('hipFront'), 0)
-  points.legSide = points.hipSide.shift(-90 - angle, measurements.hipsToUpperLeg)
+  points.legSide = points.hipSide.shift(
+    -90 - angle,
+    measurements.waistToUpperLeg - measurements.waistToHips
+  )
   points.legSideCp = points.legSide.shift(0, store.get('legFront'))
   points.legInner = points.legSideCp.shift(-100, store.get('gusset') / 2)
   points.crossSeam = points.legSideCp.shift(80, store.get('gusset') / 2)
   points.legSideCp = points.legSide.shiftFractionTowards(points.legSideCp, 0.4)
-  points.seatCb = points.hipCb.shift(-90 - angle - 5, measurements.hipsToUpperLeg * 0.67)
+  points.seatCb = points.hipCb.shift(
+    -90 - angle - 5,
+    (measurements.waistToUpperLeg - measurements.waistToHips) * 0.67
+  )
   points._tmp2 = points.crossSeam.shift(angle, 20)
   points._tmp3 = utils.beamsIntersect(points.crossSeam, points._tmp2, points.hipCb, points.seatCb)
   points.seatCp = points.seatCb.shiftFractionTowards(points._tmp3, 0.7)
@@ -58,7 +64,7 @@ export default function(part) {
 
   // Lengthen legs
   if (options.legBonus > 0) {
-    let shift = measurements.hipsToUpperLeg * options.legBonus
+    let shift = (measurements.waistToUpperLeg - measurements.waistToHips) * options.legBonus
     points.legSide = points.legSide.shift(-90, shift)
     points.legSideCp = points.legSideCp.shift(-90, shift)
     points.reducedLegInner = points.reducedLegInner(-90, shift)
@@ -66,14 +72,14 @@ export default function(part) {
 
   // Rise
   if (options.rise > 0) {
-    let shift = measurements.hipsToUpperLeg * options.rise
+    let shift = (measurements.waistToUpperLeg - measurements.waistToHips) * options.rise
     points.hipSide = points.hipSide.shift(90, shift)
     points.hipCb = points.hipCb.shift(0, shift)
   }
 
   // Back rise
   if (options.backRise > 0) {
-    let shift = measurements.hipsToUpperLeg * options.backRise
+    let shift = (measurements.waistToUpperLeg - measurements.waistToHips) * options.backRise
     points.hipSide = points.hipSide.shift(90, shift / 2)
     points.hipCbCp = new Point(points.hipCb.x / 2, points.hipCb.y)
   }