From e80cdf3f08fa30e9742fd57c3e2caf1dc3731320 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sat, 24 Dec 2011 07:56:06 +0000
Subject: [PATCH] fix for change to row major matrices
---
io_scene_fbx/export_fbx.py | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/io_scene_fbx/export_fbx.py b/io_scene_fbx/export_fbx.py
index e7c61f18f..a310325a3 100644
--- a/io_scene_fbx/export_fbx.py
+++ b/io_scene_fbx/export_fbx.py
@@ -128,7 +128,12 @@ def sane_groupname(data):
def mat4x4str(mat):
- return '%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f' % tuple([f for v in mat for f in v])
+ # blender matrix is row major, fbx is col major so transpose on write
+ return ("%.15f,%.15f,%.15f,%.15f,"
+ "%.15f,%.15f,%.15f,%.15f,"
+ "%.15f,%.15f,%.15f,%.15f,"
+ "%.15f,%.15f,%.15f,%.15f" %
+ tuple([f for v in mat.transposed() for f in v]))
def action_bone_names(obj, action):
--
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