From 0970987629b1ea468448bd0e6b356bfe4cfa1bcc Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Sun, 7 May 2017 09:41:51 +0800
Subject: [PATCH] extracted out __frags

---
 src/__private__/__frags.scad | 3 +++
 src/circle_path.scad         | 6 +++---
 2 files changed, 6 insertions(+), 3 deletions(-)
 create mode 100644 src/__private__/__frags.scad

diff --git a/src/__private__/__frags.scad b/src/__private__/__frags.scad
new file mode 100644
index 00000000..395b8845
--- /dev/null
+++ b/src/__private__/__frags.scad
@@ -0,0 +1,3 @@
+function __frags(radius) = $fn > 0 ? 
+            ($fn >= 3 ? $fn : 3) : 
+            max(min(360 / $fa, radius * 6.28318 / $fs), 5);
\ No newline at end of file
diff --git a/src/circle_path.scad b/src/circle_path.scad
index cd37eb2f..62af17b4 100644
--- a/src/circle_path.scad
+++ b/src/circle_path.scad
@@ -12,11 +12,11 @@
 *
 **/
 
+include <__private__/__frags.scad>;
+
 function circle_path(radius, n) =
     let(
-        _frags = $fn > 0 ? 
-            ($fn >= 3 ? $fn : 3) : 
-            max(min(360 / $fa, radius * 6.28318 / $fs), 5),
+        _frags = __frags(radius),
         step_a = 360 / _frags,
         end_a = 360 - step_a * ((n == undef || n > _frags) ? 1 : _frags - n + 1)
     )