From a90c2410fb8b5fab7f0558c75505732fe5e4f77b Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Thu, 25 May 2017 09:46:36 +0800
Subject: [PATCH] refactored

---
 src/pie.scad | 26 ++------------------------
 1 file changed, 2 insertions(+), 24 deletions(-)

diff --git a/src/pie.scad b/src/pie.scad
index 31923969..a59b3c33 100644
--- a/src/pie.scad
+++ b/src/pie.scad
@@ -13,30 +13,8 @@
 include <__private__/__frags.scad>;
 include <__private__/__is_vector.scad>;
 include <__private__/__ra_to_xy.scad>;
+include <__private__/__shape_pie.scad>;
  
 module pie(radius, angle) {
-    
-    a_step = 360 / __frags(radius);
-    
-    angles = __is_vector(angle) ? angle : [0, angle];
-
-    m = floor(angles[0] / a_step) + 1;
-    n = floor(angles[1] / a_step);
-    
-    half_a_step = a_step / 2;
-    leng = radius * cos(half_a_step);    
-
-    function edge_r_begin(a) =
-        leng / cos((m - 0.5) * a_step - a);
-
-    function edge_r_end(a) =      
-        leng / cos((n + 0.5) * a_step - a);    
-    
-    points = concat(
-        [[0, 0], __ra_to_xy(edge_r_begin(angles[0]), angles[0])],
-        m > n ? [] : [for(i = [m:n]) __ra_to_xy(radius, a_step * i)],
-        angles[1] == a_step * n ? [] : [__ra_to_xy(edge_r_end(angles[1]), angles[1])]
-    );
-
-    polygon(points);
+    polygon(__shape_pie(radius, angle));
 }
\ No newline at end of file