From d2fcf4e1bf5094c2dff7984b5e62624c1c35a4f5 Mon Sep 17 00:00:00 2001
From: Joost De Cock <joost@joost.at>
Date: Wed, 10 Mar 2021 20:27:50 +0100
Subject: [PATCH] wip(charlie): First draft of front panel

---
 packages/charlie/config/index.js |   2 +-
 packages/charlie/src/front.js    | 116 ++++++++++++++++++++++++-------
 2 files changed, 91 insertions(+), 27 deletions(-)

diff --git a/packages/charlie/config/index.js b/packages/charlie/config/index.js
index 1e6b8eb2cc0..ec040212d9c 100644
--- a/packages/charlie/config/index.js
+++ b/packages/charlie/config/index.js
@@ -90,7 +90,7 @@ export default {
     // Back pockets
     backPocketVerticalPlacement: { pct: 24, min: 18, max: 30 },
     backPocketHorizontalPlacement: { pct: 55, min: 48, max: 62 },
-    backPocketWidth: { pct: 55, min: 10, max: 90 },
+    backPocketWidth: { pct: 55, min: 50, max: 60 },
     backPocketDepth: { pct: 20, min: 10, max: 40 },
 
     // Back pockets
diff --git a/packages/charlie/src/front.js b/packages/charlie/src/front.js
index b32f011f74a..598d177b5d1 100644
--- a/packages/charlie/src/front.js
+++ b/packages/charlie/src/front.js
@@ -1,4 +1,58 @@
 export default (part) => {
+  // Helper method to draw the outseam path
+  const drawOutseam = () => {
+    // Helper object holding the Titan side seam path
+    let sideSeam =
+      points.waistOut.x < points.seatOut.x
+        ? new Path()
+            .move(points.styleWaistOut)
+            .curve(points.seatOut, points.kneeOutCp1, points.floorOut)
+        : new Path()
+            .move(points.styleWaistOut)
+            ._curve(points.seatOutCp1, points.seatOut)
+            .curve(points.seatOutCp2, points.kneeOutCp1, points.floorOut)
+    // Draw in pocket slant
+    points.pocketSlantTop = points.styleWaistIn.shiftFractionTowards(
+      points.styleWaistOut,
+      1 - options.frontPocketSlantWidth
+    )
+    // Find lowest possible pocket slant point
+    points.pocketSlantLowest = sideSeam.intersectsY(points.fork.y).pop()
+    // Length to lowest possible slant point
+    store.set(
+      'slantLength',
+      sideSeam.split(points.pocketSlantLowest).shift().length() * options.frontPocketSlantDepth
+    )
+    // Create actual slant point
+    points.pocketSlantBottom = sideSeam.shiftAlong(store.get('slantLength'))
+
+    // Handy for later
+    store.set('frontSideSeam', sideSeam)
+
+    return new Path()
+      .move(points.pocketSlantTop)
+      .line(points.pocketSlantBottom)
+      .join(sideSeam.split(points.pocketSlantBottom).pop())
+  }
+
+  // Helper method to draw the outline path
+  const drawPath = () =>
+    drawOutseam()
+      .line(points.floorIn)
+      .curve(points.kneeInCp2, points.forkCp1, points.fork)
+      .join(
+        new Path()
+          .move(points.fork)
+          .curve(points.crotchSeamCurveCp1, points.crotchSeamCurveCp2, points.crotchSeamCurveStart)
+          .split(points.flyBottom)
+          .shift()
+      )
+      .curve(points.flyCurveCp1, points.flyCurveCp2, points.flyCurveStart)
+      .line(points.flyTop)
+      .line(points.styleWaistIn)
+      .line(points.pocketSlantTop)
+      .close()
+
   // Shorthand
   let {
     points,
@@ -37,34 +91,44 @@ export default (part) => {
   points.flyCurveCp1 = points.flyBottom.shiftFractionTowards(points.flyCorner, options.flyCurve)
   points.flyCurveCp2 = points.flyCurveStart.shiftFractionTowards(points.flyCorner, options.flyCurve)
 
-  // Draw in pocket slant
-  points.pocketSlantTop = points.styleWaistIn.shiftFractionTowards(
-    points.styleWaistOut,
-    1 - options.frontPocketSlantWidth
-  )
-  // FIXME: This won't always describe the right curve, will it?
-  points.pocketSlantLowest = utils.lineIntersectsCurve(
-    points.fork,
-    points.fork.shiftFractionTowards(points.crotchSeamCurveCp1, 25),
-    points.styleWaistOut,
-    points.seatOut,
-    points.kneeOutCp1,
-    points.floorOut
-  )
-  let sideSeam = new Path()
-    .move(points.styleWaistOut)
-    .curve(points.seatOut, points.kneeOutCp1, points.floorOut)
-  let slantDistOnCurve = sideSeam.split(points.pocketSlantLowest).shift().length()
-  points.pocketSlantBottom = sideSeam.shiftAlong(slantDistOnCurve * options.frontPocketSlantDepth)
-
-  paths.fly = new Path()
-    .move(points.styleWaistIn)
-    .line(points.flyTop)
-    .line(points.flyCurveStart)
-    .curve(points.flyCurveCp2, points.flyCurveCp1, points.flyBottom)
-  paths.slant = new Path().move(points.pocketSlantTop).line(points.pocketSlantBottom)
+  // Draw path
+  paths.seam = drawPath().attr('class', 'fabric')
 
   if (complete) {
+    points.titleAnchor = new Point(points.knee.x, points.fork.y)
+    macro('title', {
+      at: points.titleAnchor,
+      nr: 2,
+      title: 'front'
+    })
+    snippets.logo = new Snippet('logo', points.titleAnchor.shiftFractionTowards(points.knee, 0.5))
+    points.topPleat = utils.beamsIntersect(
+      points.styleWaistIn,
+      points.styleWaistOut,
+      points.knee,
+      points.grainlineBottom
+    )
+    macro('sprinkle', {
+      snippet: 'notch',
+      on: ['styleWaistIn', 'pocketSlantBottom', 'topPleat', 'grainlineBottom']
+    })
+    paths.flyHint = new Path()
+      .move(points.styleWaistIn)
+      .line(points.crotchSeamCurveStart)
+      .join(
+        new Path()
+          .move(points.crotchSeamCurveStart)
+          .curve(points.crotchSeamCurveCp2, points.crotchSeamCurveCp1, points.fork)
+          .split(points.flyBottom)
+          .shift()
+      )
+      .attr('class', 'fabric stoke-sm dashed')
+    paths.slantHint = new Path()
+      .move(points.pocketSlantTop)
+      .line(points.styleWaistOut)
+      .join(store.get('frontSideSeam').split(points.pocketSlantBottom).shift())
+      .attr('class', 'fabric stoke-sm dashed')
+
     if (sa) {
     }