From 88f1b8cafd1c98c564a3bc7a38ba1164be54dfce Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart@neuron.com>
Date: Sun, 5 Jul 2020 21:15:17 -0400
Subject: [PATCH] fix center calc for tabs in non-circle-like polygons

---
 src/geo/bounds.js      | 4 ++++
 src/mode/cam/driver.js | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/geo/bounds.js b/src/geo/bounds.js
index 9b6b6744..87798cf8 100644
--- a/src/geo/bounds.js
+++ b/src/geo/bounds.js
@@ -116,6 +116,10 @@
         return this.maxy - this.miny;
     };
 
+    PRO.center = function(z) {
+        return BASE.newPoint(this.centerx(), this.centery(), z);
+    };
+
     PRO.centerx = function() {
         return this.minx + this.width() / 2;
     };
diff --git a/src/mode/cam/driver.js b/src/mode/cam/driver.js
index 92352e24..bf9ddd63 100644
--- a/src/mode/cam/driver.js
+++ b/src/mode/cam/driver.js
@@ -919,7 +919,7 @@
                 let count = proc.camTabsCount,
                     angle = proc.camTabsAngle,
                     angle_inc = 360 / count,
-                    center = trace.circleCenter(),//BASE.newPoint(0,0,slice.z),
+                    center = trace.bounds.center(slice.z),
                     offset = (tabWidth + toolDiam) / 2,
                     ints = [],
                     segs = [];