Revision: 64310
http://sourceforge.net/p/brlcad/code/64310
Author: starseeker
Date: 2015-02-27 00:53:18 +0000 (Fri, 27 Feb 2015)
Log Message:
-----------
tweak comment
Modified Paths:
--------------
brlcad/trunk/src/libbn/polygon.c
Modified: brlcad/trunk/src/libbn/polygon.c
===================================================================
--- brlcad/trunk/src/libbn/polygon.c 2015-02-27 00:45:32 UTC (rev 64309)
+++ brlcad/trunk/src/libbn/polygon.c 2015-02-27 00:53:18 UTC (rev 64310)
@@ -555,8 +555,8 @@
struct pt_vertex *one_vert = PT_NEXT(vertex_list);
struct pt_vertex *four_vert = PT_NEXT(PT_NEXT(PT_NEXT(one_vert)));
while(one_vert->index != four_vert->index) {
- /* For reasons that are not immediately clear, PT_PREV_REF works in
- * the line below but PT_NEXT_REF does not */
+ /* The next line needs to use PT_PREV_REF so point traversal
+ * happens in the correct order - PT_NEXT_REF doesn't work. */
struct pt_vertex_ref *ear_ref = PT_PREV_REF(lists->ear_list);
PT_ADD_TRI(ear_ref->v);
remove_ear(ear_ref->v, lists, pts);
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