From 4accdf78d60599fb91453bb86e57376dea828737 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Thu, 8 Jun 2017 14:34:52 +0800
Subject: [PATCH] refactored

---
 src/hull_polyline3d.scad | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/hull_polyline3d.scad b/src/hull_polyline3d.scad
index 9745b0ab..f773e36a 100644
--- a/src/hull_polyline3d.scad
+++ b/src/hull_polyline3d.scad
@@ -17,10 +17,13 @@ module hull_polyline3d(points, thickness) {
     leng = len(points);
     
     module hull_line3d(index) {
+        point1 = points[index - 1];
+        point2 = points[index];
+
         hull() {
-            translate(points[index - 1]) 
+            translate(point1) 
                 sphere(half_thickness);
-            translate(points[index]) 
+            translate(point2) 
                 sphere(half_thickness);
         }
     }