[Bf-extensions-cvs] [a674a928] gltf_vtree: glTF exporter: fix animation of parented to bone objects
Julien Duroure
noreply at git.blender.org
Sun Feb 6 09:55:15 CET 2022
Commit: a674a9280065daa3c35280caf8b06c014933695a
Author: Julien Duroure
Date: Sun Feb 6 09:55:03 2022 +0100
Branches: gltf_vtree
https://developer.blender.org/rBAa674a9280065daa3c35280caf8b06c014933695a
glTF exporter: fix animation of parented to bone objects
===================================================================
M io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
===================================================================
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
index 2d099a5c..33dd08c9 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
@@ -163,7 +163,7 @@ def get_object_matrix(blender_obj_uuid: str,
while frame <= end_frame:
bpy.context.scene.frame_set(int(frame))
- for obj_uuid in [uid for (uid, n) in export_settings['vtree'].nodes.items() if n.blender_type != [VExportNode.BONE]]:
+ for obj_uuid in [uid for (uid, n) in export_settings['vtree'].nodes.items() if n.blender_type not in [VExportNode.BONE]]:
blender_obj = export_settings['vtree'].nodes[obj_uuid].blender_object
# if this object is not animated, do not skip :
@@ -173,8 +173,17 @@ def get_object_matrix(blender_obj_uuid: str,
if export_settings['vtree'].nodes[obj_uuid].parent_uuid is None:
parent_mat = mathutils.Matrix.Identity(4).freeze()
else:
- parent_mat = export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_uuid].blender_object.matrix_world
-
+ if export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_uuid].blender_type not in [VExportNode.BONE]:
+ parent_mat = export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_uuid].blender_object.matrix_world
+ else:
+ # Object animated is parented to a bone
+ blender_bone = export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_bone_uuid].blender_bone
+ armature_object = export_settings['vtree'].nodes[export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_bone_uuid].armature].blender_object
+ axis_basis_change = mathutils.Matrix(
+ ((1.0, 0.0, 0.0, 0.0), (0.0, 0.0, 1.0, 0.0), (0.0, -1.0, 0.0, 0.0), (0.0, 0.0, 0.0, 1.0)))
+
+ parent_mat = armature_object.matrix_world @ blender_bone.matrix @ axis_basis_change
+
#For object inside collection (at root), matrix world is already expressed regarding collection parent
if export_settings['vtree'].nodes[obj_uuid].parent_uuid is not None and export_settings['vtree'].nodes[export_settings['vtree'].nodes[obj_uuid].parent_uuid].blender_type == VExportNode.COLLECTION:
parent_mat = mathutils.Matrix.Identity(4).freeze()
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