def execute(self):
BlenderSceneManipulator().clear_scene()
home_transform = TransformNode()
first_keyframe = 0
second_keyframe = 5
test_armature_obj, test_armature_tree_hierarchy = \
BlenderArmatureBuilder() \
.with_armature_name(armature_name="TEST_ARMATURE") \
.with_bone(name="BONE_A", transform=home_transform) \
.with_bone(name="BONE_B", transform=home_transform) \
.build()
animated_armature_tree_hierarchies = BlenderArmatureAnimator \
.for_armature(test_armature_obj, test_armature_tree_hierarchy) \
.animate_bone(name="BONE_A",
local_transform=
TransformNode.construct_with(
position=Vector3d(0.3, 0.5, 0.7),
rotation=Quaternion(),
scale=Vector3d(0.2, 0.4, 0.6)
),
keyframe_number=first_keyframe) \
.animate_bone(name="BONE_A",
local_transform=
TransformNode.construct_with(
position=Vector3d(0.9, 0.1, 0.3),
rotation=Quaternion(),
scale=Vector3d(0.6, 1.6, 1.3)
),
keyframe_number=second_keyframe) \
.commit()
calculated_bone_animation_world_matrix_a = BoneMatrixHelper.get_world_matrix_for_bone(
"BONE_A", animated_armature_tree_hierarchies[0]) # type: Matrix4x4
calculated_bone_animation_world_matrix_b = BoneMatrixHelper.get_world_matrix_for_bone(
"BONE_A", animated_armature_tree_hierarchies[1]) # type: Matrix4x4
BlenderArmatureAnimator \
.for_armature(test_armature_obj, test_armature_tree_hierarchy) \
.animate_bone(
name="BONE_B",
local_transform=TransformNode.from_matrix4x4(calculated_bone_animation_world_matrix_a),
keyframe_number=first_keyframe) \
.animate_bone(
name="BONE_B",
local_transform=TransformNode.from_matrix4x4(calculated_bone_animation_world_matrix_b),
keyframe_number=second_keyframe) \
.commit()
def get_displaced_transforms_for(cls, bones_count: int,
seed: int) -> List[TransformNode]:
random.seed(seed)
displaced_coordinates = [
random.uniform(-1.0, 1.0) for _ in range(bones_count)
]
displaced_scale_coordinates = [
random.uniform(0.5, 1.2) for _ in range(bones_count)
]
result = [] # type: List[TransformNode]
home_rotation = Quaternion()
for index in range(bones_count):
result.append(
TransformNode.construct_with(
position=Vector3d(displaced_coordinates[index],
displaced_coordinates[index],
displaced_coordinates[index]),
rotation=home_rotation,
scale=Vector3d(displaced_scale_coordinates[index],
displaced_scale_coordinates[index],
displaced_scale_coordinates[index])))
return result
def get_armature_chained_bones_transforms_for(
cls, bones_count: int) -> List[TransformNode]:
result = [] # type: List[TransformNode]
current_position = Vector3d()
home_rotation = Quaternion()
home_scale = Vector3d(1.0, 1.0, 1.0)
for _ in range(bones_count):
current_position += Vector3d(x=0.0, y=1.0, z=0.0)
result.append(TransformNode.construct_with(
position=current_position, rotation=home_rotation, scale=home_scale))
return result
