diff options
Diffstat (limited to 'io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py')
| -rwxr-xr-x | io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py | 17 |
1 files changed, 17 insertions, 0 deletions
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 3bf5b97c..932ea25e 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 @@ -22,6 +22,7 @@ from io_scene_gltf2.blender.exp import gltf2_blender_get from io_scene_gltf2.blender.exp.gltf2_blender_gather_drivers import get_sk_drivers, get_sk_driver_values from . import gltf2_blender_export_keys from io_scene_gltf2.io.com import gltf2_io_debug +import numpy as np class Keyframe: @@ -193,6 +194,7 @@ def gather_keyframes(blender_object_if_armature: typing.Optional[bpy.types.Objec bake_range_end, action_name: str, driver_obj, + node_channel_is_animated: bool, export_settings ) -> typing.List[Keyframe]: """Convert the blender action groups' fcurves to keyframes for use in glTF.""" @@ -309,6 +311,21 @@ def gather_keyframes(blender_object_if_armature: typing.Optional[bpy.types.Objec keyframes.append(key) + # For armature only + # Check if all values are the same + # In that case, if there is no real keyframe on this channel for this given bone, + # We can ignore this keyframes + # if there are some fcurve, we can keep only 2 keyframes, first and last + if blender_object_if_armature is not None: + std = np.ptp(np.ptp([[k.value[i] for i in range(len(keyframes[0].value))] for k in keyframes], axis=0)) + + if node_channel_is_animated is True: # fcurve on this bone for this property + # Keep animation, but keep only 2 keyframes if data are not changing + return [keyframes[0], keyframes[-1]] if std < 0.0001 and len(keyframes) >= 2 else keyframes + else: # bone is not animated (no fcurve) + # Not keeping if not changing property + return None if std < 0.0001 else keyframes + return keyframes |