[Bf-extensions-cvs] SVN commit: /data/svn/bf-extensions [3955] trunk/py/scripts/addons/ io_scene_x3d/export_x3d.py: alternate fix for patch [#30572] X3D exporter outputs invalid Viewpoint.orientation = zero

[Campbell Barton]

Revision: 3955
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-extensions&revision=3955
Author:   campbellbarton
Date:     2012-11-12 02:27:26 +0000 (Mon, 12 Nov 2012)
Log Message:
-----------
alternate fix for patch [#30572] X3D exporter outputs invalid Viewpoint.orientation = zero
by Michalis Kamburelis (kambi)

Normalize the axis before writing to avoid small values writing as a zero'd axis.

Modified Paths:
--------------
    trunk/py/scripts/addons/io_scene_x3d/export_x3d.py

Modified: trunk/py/scripts/addons/io_scene_x3d/export_x3d.py
===================================================================
--- trunk/py/scripts/addons/io_scene_x3d/export_x3d.py	2012-11-12 02:03:34 UTC (rev 3954)
+++ trunk/py/scripts/addons/io_scene_x3d/export_x3d.py	2012-11-12 02:27:26 UTC (rev 3955)
@@ -369,7 +369,7 @@
 
         loc, rot, scale = matrix.decompose()
         rot = rot.to_axis_angle()
-        rot = rot[0][:] + (rot[1], )
+        rot = rot[0].normalized()[:] + (rot[1], )
 
         ident_step = ident + (' ' * (-len(ident) + \
         fw('%s<Viewpoint ' % ident)))