def __gather_trans_rot_scale(blender_object, export_settings):
trans, rot, sca = gltf2_blender_extract.decompose_transition(
blender_object.matrix_local, 'NODE', export_settings)
if bpy.app.version < (2, 80, 0):
if blender_object.dupli_type == 'GROUP' and blender_object.dupli_group:
trans = -gltf2_blender_extract.convert_swizzle_location(
blender_object.dupli_group.dupli_offset, export_settings)
else:
if blender_object.instance_type == 'COLLECTION' and blender_object.instance_collection:
trans = -gltf2_blender_extract.convert_swizzle_location(
blender_object.instance_collection.instance_offset,
export_settings)
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 0.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 1.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
if rot[0] != 0.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 1.0:
rotation = [rot[0], rot[1], rot[2], rot[3]]
if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
def __gather_trans_rot_scale(blender_object, export_settings):
if blender_object.parent:
parent = blender_object.parent
if blender_object.parent_type == 'BONE' and blender_object.parent_bone in parent.pose.bones:
p = parent.matrix_world @ parent.pose.bones[
blender_object.parent_bone].matrix
else:
p = parent.matrix_world
m = p.inverted() @ blender_object.matrix_world
else:
m = blender_object.matrix_world
trans, rot, sca = m.decompose()
# make sure the rotation is normalized
rot.normalize()
trans = __convert_swizzle_location(trans, export_settings)
rot = __convert_swizzle_rotation(rot, export_settings)
sca = __convert_swizzle_scale(sca, export_settings)
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 1.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 0.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
# if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
# if rot[0] != 1.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 0.0:
rotation = [rot[1], rot[2], rot[3], rot[0]]
# if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
def __gather_trans_rot_scale(blender_object, export_settings):
if blender_object.matrix_parent_inverse == Matrix.Identity(4):
trans = blender_object.location
if blender_object.rotation_mode in ['QUATERNION', 'AXIS_ANGLE']:
rot = blender_object.rotation_quaternion
else:
rot = blender_object.rotation_euler.to_quaternion()
sca = blender_object.scale
else:
# matrix_local = matrix_parent_inverse*location*rotation*scale
# Decomposing matrix_local gives less accuracy, but is needed if matrix_parent_inverse is not the identity.
if blender_object.matrix_local[3][3] != 0.0:
trans, rot, sca = gltf2_blender_extract.decompose_transition(
blender_object.matrix_local, export_settings)
else:
# Some really weird cases, scale is null (if parent is null when evaluation is done)
print_console(
'WARNING',
'Some nodes are 0 scaled during evaluation. Result can be wrong'
)
trans = blender_object.location
if blender_object.rotation_mode in ['QUATERNION', 'AXIS_ANGLE']:
rot = blender_object.rotation_quaternion
else:
rot = blender_object.rotation_euler.to_quaternion()
sca = blender_object.scale
# make sure the rotation is normalized
rot.normalize()
trans = gltf2_blender_extract.convert_swizzle_location(
trans, None, None, export_settings)
rot = gltf2_blender_extract.convert_swizzle_rotation(rot, export_settings)
sca = gltf2_blender_extract.convert_swizzle_scale(sca, export_settings)
if blender_object.instance_type == 'COLLECTION' and blender_object.instance_collection:
trans -= gltf2_blender_extract.convert_swizzle_location(
blender_object.instance_collection.instance_offset, None, None,
export_settings)
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 1.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 0.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
if rot[0] != 1.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 0.0:
rotation = [rot[1], rot[2], rot[3], rot[0]]
if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
def __gather_trans_rot_scale(blender_object, export_settings):
if blender_object.matrix_parent_inverse == Matrix.Identity(4):
trans = blender_object.location
if blender_object.rotation_mode in ['QUATERNION', 'AXIS_ANGLE']:
rot = blender_object.rotation_quaternion
else:
rot = blender_object.rotation_euler.to_quaternion()
sca = blender_object.scale
else:
# matrix_local = matrix_parent_inverse*location*rotation*scale
# Decomposing matrix_local gives less accuracy, but is needed if matrix_parent_inverse is not the identity.
trans, rot, sca = gltf2_blender_extract.decompose_transition(
blender_object.matrix_local, export_settings)
trans = gltf2_blender_extract.convert_swizzle_location(
trans, None, None, export_settings)
rot = gltf2_blender_extract.convert_swizzle_rotation(rot, export_settings)
sca = gltf2_blender_extract.convert_swizzle_scale(sca, export_settings)
if bpy.app.version < (2, 80, 0):
if blender_object.dupli_type == 'GROUP' and blender_object.dupli_group:
trans = -gltf2_blender_extract.convert_swizzle_location(
blender_object.dupli_group.dupli_offset, None, None,
export_settings)
else:
if blender_object.instance_type == 'COLLECTION' and blender_object.instance_collection:
trans = -gltf2_blender_extract.convert_swizzle_location(
blender_object.instance_collection.instance_offset, None, None,
export_settings)
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 1.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 0.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
if rot[0] != 1.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 0.0:
rotation = [rot[1], rot[2], rot[3], rot[0]]
if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
def __gather_trans_rot_scale(vnode, export_settings):
if vnode.parent_uuid is None:
# No parent, so matrix is world matrix
trans, rot, sca = vnode.matrix_world.decompose()
else:
# calculate local matrix
trans, rot, sca = (
export_settings['vtree'].nodes[vnode.parent_uuid].matrix_world.
inverted_safe() @ vnode.matrix_world).decompose()
# make sure the rotation is normalized
rot.normalize()
trans = __convert_swizzle_location(trans, export_settings)
rot = __convert_swizzle_rotation(rot, export_settings)
sca = __convert_swizzle_scale(sca, export_settings)
if vnode.blender_object.instance_type == 'COLLECTION' and vnode.blender_object.instance_collection:
offset = -__convert_swizzle_location(
vnode.blender_object.instance_collection.instance_offset,
export_settings)
s = Matrix.Diagonal(sca).to_4x4()
r = rot.to_matrix().to_4x4()
t = Matrix.Translation(trans).to_4x4()
o = Matrix.Translation(offset).to_4x4()
m = t @ r @ s @ o
trans = m.translation
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 1.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 0.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
if rot[0] != 1.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 0.0:
rotation = [rot[1], rot[2], rot[3], rot[0]]
if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
def __gather_trans_rot_scale(blender_object, export_settings):
trans = gltf2_blender_extract.convert_swizzle_location(
blender_object.location, export_settings)
if blender_object.rotation_mode in ['QUATERNION', 'AXIS_ANGLE']:
rotation = blender_object.rotation_quaternion
else:
rotation = blender_object.rotation_euler.to_quaternion()
rotation = gltf2_blender_extract.convert_swizzle_rotation(
rotation, export_settings)
# Put w at the end.
rot = Quaternion((rotation[1], rotation[2], rotation[3], rotation[0]))
sca = gltf2_blender_extract.convert_swizzle_scale(blender_object.scale,
export_settings)
if blender_object.instance_type == 'COLLECTION' and blender_object.instance_collection:
trans = -gltf2_blender_extract.convert_swizzle_location(
blender_object.instance_collection.instance_offset,
export_settings)
translation, rotation, scale = (None, None, None)
trans[0], trans[1], trans[2] = gltf2_blender_math.round_if_near(trans[0], 0.0), gltf2_blender_math.round_if_near(trans[1], 0.0), \
gltf2_blender_math.round_if_near(trans[2], 0.0)
rot[0], rot[1], rot[2], rot[3] = gltf2_blender_math.round_if_near(rot[0], 0.0), gltf2_blender_math.round_if_near(rot[1], 0.0), \
gltf2_blender_math.round_if_near(rot[2], 0.0), gltf2_blender_math.round_if_near(rot[3], 1.0)
sca[0], sca[1], sca[2] = gltf2_blender_math.round_if_near(sca[0], 1.0), gltf2_blender_math.round_if_near(sca[1], 1.0), \
gltf2_blender_math.round_if_near(sca[2], 1.0)
if trans[0] != 0.0 or trans[1] != 0.0 or trans[2] != 0.0:
translation = [trans[0], trans[1], trans[2]]
if rot[0] != 0.0 or rot[1] != 0.0 or rot[2] != 0.0 or rot[3] != 1.0:
rotation = [rot[0], rot[1], rot[2], rot[3]]
if sca[0] != 1.0 or sca[1] != 1.0 or sca[2] != 1.0:
scale = [sca[0], sca[1], sca[2]]
return translation, rotation, scale
