fix tab dissociation in rotated asymmetric parts

notes.md

@@ -58,7 +58,6 @@
 * `B` starting export during animation unleashes chaos
 * `B` climb vs conventional not fully consistent after refactor
 * `B` outside cutting direction in roughing mode inverted
-* `B` on rotation, tabs dissociate from parts whose center changes with rotation
 
 * `F` new registration style: offset cutout
 * `F` add climb/conventional into each operation

src/kiri/widget.js

@@ -349,6 +349,7 @@
             dx = bm.x + bd.x,
             dy = bm.y + bd.y,
             dz = bm.z;
+        this.track.center = { dx, dy, dz };
         // move mesh for each widget in group
         if (!init) {
             this.group.forEach(w => {

src/mode/cam/client.js

@@ -742,6 +742,7 @@
             let tabs = API.widgets.annotate(widget.id).tab || [];
             tabs.forEach(rec => {
                 let { id, pos, rot } = rec;
+                let coff = widget.track.center;
                 let tab = widget.tabs[id];
                 let m4 = new THREE.Matrix4().makeRotationFromEuler(new THREE.Euler(x || 0, y || 0, z || 0));
                 // update position vector
@@ -752,8 +753,8 @@
                     new THREE.Quaternion().setFromRotationMatrix(m4)
                 );
                 tab.box.geometry.applyMatrix4(m4);
-                tab.box.position.x = pos.x = vc.x;
+                tab.box.position.x = pos.x = vc.x - coff.dx;
-                tab.box.position.y = pos.y = vc.y;
+                tab.box.position.y = pos.y = vc.y - coff.dy;
                 tab.box.position.z = pos.z = vc.z;
             });
             SPACE.update();