From 3b917459765e8bd830b058f78e4fc6b4911c8a47 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Mon, 29 May 2017 17:18:42 +0800
Subject: [PATCH] refactored

---
 src/hexagons.scad | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hexagons.scad b/src/hexagons.scad
index 47041be6..5bd8415b 100644
--- a/src/hexagons.scad
+++ b/src/hexagons.scad
@@ -16,6 +16,7 @@ module hexagons(radius, spacing, levels) {
     offset_x = radius * cos(30);
     offset_y = radius + radius * sin(30);
     r_hexagon = radius - spacing / 2;
+    offset_step = 2 * offset_x;
 
     module hexagon() {
         rotate(30) 
@@ -23,9 +24,8 @@ module hexagons(radius, spacing, levels) {
     }
     
     module line_hexagons(n) {
-        offset = 2 * offset_x;
         for(i = [0:n - 1]) {
-            offset_p = [i * offset, 0, 0];
+            offset_p = [i * offset_step, 0, 0];
             translate(offset_p) 
                 hexagon();
         }