From faae2c7603eba75ef28f055347ce87e26f87a322 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Sat, 22 Apr 2017 17:18:04 +0800
Subject: [PATCH] reduced private function

---
 src/circle_path.scad | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/circle_path.scad b/src/circle_path.scad
index 30a53bbd..bce411a6 100644
--- a/src/circle_path.scad
+++ b/src/circle_path.scad
@@ -12,12 +12,15 @@
 *
 **/
 
-function _frags(radius) = $fn > 0 ? 
-        ($fn >= 3 ? $fn : 3) : 
-        max(min(360 / $fa, radius * 2 * 3.14159 / $fs), 5);
+
     
 function circle_path(radius) =
+    let(
+        _frags = $fn > 0 ? 
+            ($fn >= 3 ? $fn : 3) : 
+            max(min(360 / $fa, radius * 2 * 3.14159 / $fs), 5)
+    )
     [
-        for(a = [0 : 360 / _frags(radius) : 360 - 360 / _frags(radius)]) 
+        for(a = [0 : 360 / _frags : 360 - 360 / _frags]) 
             [radius * cos(a), radius * sin(a)]
     ];