From 5a71b25cdbbbb31ccdd2913e0e2ac2cfef60fd7f Mon Sep 17 00:00:00 2001
From: Stewart Allen <sa@grid.space>
Date: Mon, 24 Feb 2025 00:45:04 -0500
Subject: [PATCH] rename and comment top and noodle fields

---
 src/geo/polygon.js         | 8 ++++----
 src/kiri-mode/fdm/post.js  | 6 +++---
 src/kiri-mode/fdm/slice.js | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/geo/polygon.js b/src/geo/polygon.js
index 2a3449e0..d00fbbbe 100644
--- a/src/geo/polygon.js
+++ b/src/geo/polygon.js
@@ -265,23 +265,23 @@ class Polygon {
         // inset outer polygon
         let inner = this.inner;
         let inset = this.clone().offset(width);
-        let noodle = [ this.clone().setInner(inset) ];
+        let noodot = [ this.clone().setInner(inset) ];
         let noodin = [];
         // subtract inners from the inset
         if (inner) {
-            noodle = POLY.subtract(noodle, inner, []);
+            noodot = POLY.subtract(noodot, inner, []);
             // for each inner, offset and subtract noodle + itself
             let nood = [];
             for (let innie of inner) {
                 let inexp = innie.clone().offset(-width);
                 let intrm = POLY.trimTo(inexp, [ this ]);
-                let inood = POLY.subtract(intrm, [ ...noodle, innie ], []);
+                let inood = POLY.subtract(intrm, [ ...noodot, innie ], []);
                 nood.push(...inood);
             }
             noodin = POLY.union(nood, 0, true);
         }
         // unify inner noodles and outer noodle
-        noodle = POLY.union([ ...noodle, ...noodin ], 0, true);
+        let noodle = POLY.union([ ...noodot, ...noodin ], 0, true);
         // subtract noodle from poly for next noodle calc
         let remain = POLY.subtract([ this ], noodle, []);
         return { noodle, remain };
diff --git a/src/kiri-mode/fdm/post.js b/src/kiri-mode/fdm/post.js
index d601cb1d..5385f041 100644
--- a/src/kiri-mode/fdm/post.js
+++ b/src/kiri-mode/fdm/post.js
@@ -210,9 +210,9 @@ FDM.doTopShells = function(z, top, count, offset1, offsetN, fillOffset, opt = {}
         top.poly = top.poly.clone(false);
     }
 
-    top.shells = [];
-    top.fill_off = [];
-    top.fill_lines = [];
+    top.shells = [];        // strategies output shells here
+    top.fill_off = [];      // offset from innermost shell for infill
+    top.fill_lines = [];    // fill lines inside fill_off
 
     let last = [],
         gaps = [];
diff --git a/src/kiri-mode/fdm/slice.js b/src/kiri-mode/fdm/slice.js
index 22e2ba50..8077c4ed 100644
--- a/src/kiri-mode/fdm/slice.js
+++ b/src/kiri-mode/fdm/slice.js
@@ -41,7 +41,7 @@ const POLY = polygons,
         fill: { check: 0x008855, face: 0x008855, line: 0x008855, opacity, lopacity, fat },
         infill: { check: 0x3322bb, face: 0x3322bb, line: 0x3322bb, opacity, lopacity, fat },
         inset: { line: 0x555555, check: 0x555555 },
-        part: { line: 0x999999, check: 0x999999, face: 0  },
+        part: { line: 0x777777, check: 0x777777, face: 0  },
         thin: { check: 0xbb8800, face: 0xbb8800, line: 0xbb8800, opacity, lopacity, fat },
     }),
     PROTO = Object.clone(COLOR),