From 8c3997d16d660e96c3426f17c9395045705ba8ad Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Wed, 2 Nov 2022 13:31:14 -0400
Subject: [PATCH] testing rotation / offset compensation

---
 src/kiri/slice.js  | 3 ++-
 src/kiri/widget.js | 8 ++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/kiri/slice.js b/src/kiri/slice.js
index 7601ab94..df2a6bce 100644
--- a/src/kiri/slice.js
+++ b/src/kiri/slice.js
@@ -47,9 +47,10 @@ class Slice {
         let layers = this.layers = new kiri.Layers();
         if (tracked) {
             let { track } = tracked;
-            let { indexed, indexRad, delta } = track;
+            let { indexed, indexRad, delta, tzoff } = track;
             if (indexed) {
                 layers.setRotation(indexRad);
+                // layers.setPosition(0, -delta.y, delta.z + tzoff);
             }
         }
         return layers;
diff --git a/src/kiri/widget.js b/src/kiri/widget.js
index afadcdbc..39d80115 100644
--- a/src/kiri/widget.js
+++ b/src/kiri/widget.js
@@ -651,12 +651,16 @@ class Widget {
         // if indexed, return points rotated about X and then offset
         let track = this.track;
         if (translate && track.indexed) {
+            // console.log(1, new THREE.Box3().setFromBufferAttribute(pos), track.box);
             let delta = track.delta;
             pos = pos.clone().applyMatrix4(
+                new THREE.Matrix4().makeTranslation(0, 0, -track.box.d/2)
+            ).applyMatrix4(
                 new THREE.Matrix4().makeRotationX(-track.indexRad)
-            // ).applyMatrix4(
-            //     new THREE.Matrix4().makeTranslation(0, -delta.y, -delta.z + track.tzoff)
+            ).applyMatrix4(
+                new THREE.Matrix4().makeTranslation(0, 0, track.box.d/2)
             );
+            // console.log(2, new THREE.Box3().setFromBufferAttribute(pos));
         }
         pos = pos.array;
         if (geo.index && unroll !== false) {