From a6eeb5025cd0cb9764b68553bdf9606efad013f2 Mon Sep 17 00:00:00 2001
From: Adrian Mariano <avm4@cornell.edu>
Date: Thu, 7 Oct 2021 21:32:58 -0400
Subject: [PATCH] don't deduplicate in is_polygon_clockwise

---
 geometry.scad | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/geometry.scad b/geometry.scad
index 8dae42f..ab10f1a 100644
--- a/geometry.scad
+++ b/geometry.scad
@@ -1696,7 +1696,7 @@ function _is_cw2(a,b,c,eps=EPSILON) = cross(a-c,b-c)<eps*norm(a-c)*norm(b-c);
 
 // For algorithm see 2.07 here: http://www.faqs.org/faqs/graphics/algorithms-faq/
 function is_polygon_clockwise(poly) =
-let(    poly=deduplicate(poly))
+let(  
     assert(is_path(poly,dim=2), "Input should be a 2d path")
     let(
         minx = min(poly*[1,0]),