From 5a39e75ade29b22bb394c0432da1e3101fe6ed76 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Sat, 22 Apr 2017 17:18:53 +0800
Subject: [PATCH] refactored

---
 src/circle_path.scad | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/circle_path.scad b/src/circle_path.scad
index bce411a6..0f6f0565 100644
--- a/src/circle_path.scad
+++ b/src/circle_path.scad
@@ -12,15 +12,14 @@
 *
 **/
 
-
-    
 function circle_path(radius) =
     let(
         _frags = $fn > 0 ? 
             ($fn >= 3 ? $fn : 3) : 
-            max(min(360 / $fa, radius * 2 * 3.14159 / $fs), 5)
+            max(min(360 / $fa, radius * 2 * 3.14159 / $fs), 5),
+        step_a = 360 / _frags
     )
     [
-        for(a = [0 : 360 / _frags : 360 - 360 / _frags]) 
+        for(a = [0 : step_a : 360 - step_a]) 
             [radius * cos(a), radius * sin(a)]
     ];