glTF exporter: normalize normals for skinned meshes

2 files changed, 2 insertions, 1 deletions

diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index 1fa5b375..afa211ef 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -15,7 +15,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 2, 71),
+    "version": (1, 2, 72),
     'blender': (2, 83, 9),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
index df0552cd..ae79f883 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_extract.py
@@ -77,6 +77,7 @@ def convert_swizzle_normal(loc, armature, blender_object, export_settings):
         apply_matrix = (armature.matrix_world.inverted() @ blender_object.matrix_world).to_3x3().inverted()

         apply_matrix.transpose()

         new_loc = ((armature.matrix_world.to_3x3() @ apply_matrix).to_4x4() @ Matrix.Translation(Vector((loc[0], loc[1], loc[2])))).to_translation()

+        new_loc.normalize()

 

         if export_settings[gltf2_blender_export_keys.YUP]:

             return Vector((new_loc[0], new_loc[2], -new_loc[1]))