[Bf-extensions-cvs] [0974dbb] master: Reverse the winding order of faces when exporting to a left-handed system.

[Chris Foster]

Commit: 0974dbb3cf24d1aff99ba3482549724b8925f814
Author: Chris Foster
Date:   Thu Jul 31 14:07:35 2014 -0400
Branches: master
https://developer.blender.org/rBA0974dbb3cf24d1aff99ba3482549724b8925f814

Reverse the winding order of faces when exporting to a left-handed system.

===================================================================

M	io_scene_x/export_x.py

===================================================================

diff --git a/io_scene_x/export_x.py b/io_scene_x/export_x.py
index 47d30a1..8f7d82d 100644
--- a/io_scene_x/export_x.py
+++ b/io_scene_x/export_x.py
@@ -476,6 +476,9 @@ class MeshExportObject(ExportObject):
             
             self.Exporter.File.Write("{};".format(len(PolygonVertexIndices)))
             
+            if self.Config.CoordinateSystem == 'LEFT_HANDED':
+                PolygonVertexIndices = PolygonVertexIndices[::-1]
+            
             for VertexCountIndex, VertexIndex in \
                 enumerate(PolygonVertexIndices):
 
@@ -584,6 +587,9 @@ class MeshExportObject(ExportObject):
         for Index, Polygon in enumerate(MeshEnumerator.PolygonVertexIndices):
             self.Exporter.File.Write("{};".format(len(Polygon)))
             
+            if self.Config.CoordinateSystem == 'LEFT_HANDED':
+                Polygon = Polygon[::-1]
+            
             for VertexCountIndex, VertexIndex in enumerate(Polygon):
                 if VertexCountIndex == len(Polygon) - 1:
                     self.Exporter.File.Write("{};".format(VertexIndex),
@@ -1373,3 +1379,4 @@ class Util:
             return x.name
         
         return sorted(List, key=SortKey)
+