framework/rcg_pipeline/rcg_pipeline/utils/object_transforms.py
2024-04-09 11:52:13 +00:00

88 lines
3 KiB
Python

# ***** BEGIN GPL LICENSE BLOCK *****
#
# Copyright (C) 2024 Ilia Kurochkin <brothermechanic@yandex.com>
#
# Created by Ilia Kurochkin (brothermechanic)
# contact: brothermechanic@yandex.com
#
# This is free software;
# you can redistribute it and/or modify
# it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses/>.
#
# ***** END GPL LICENSE BLOCK *****
#
# coding: utf-8
'''
DESCRIPTION.
Blender object transforms functions.
'''
__version__ = '0.3'
from mathutils import Matrix, Vector, Quaternion
import bpy
def apply_transforms(obj, location=False, rotation=False, scale=False):
''' bake local object transforms '''
# original idea from https://github.com/machin3io/MACHIN3tools
# update database
bpy.context.view_layer.update()
def get_loc_matrix(location):
return Matrix.Translation(location)
def get_rot_matrix(rotation):
return rotation.to_matrix().to_4x4()
def get_sca_matrix(scale):
scene_scale_martix = Matrix()
for i in range(3):
scene_scale_martix[i][i] = scale[i]
return scene_scale_martix
if location and rotation and scale:
loc, rot, sca = obj.matrix_world.decompose()
mesh_martix = get_loc_matrix(loc) @ get_rot_matrix(
rot) @ get_sca_matrix(sca)
obj.data.transform(mesh_martix)
apply_matrix = get_loc_matrix(Vector.Fill(3, 0)) @ get_rot_matrix(Quaternion()) @ get_sca_matrix(Vector.Fill(3, 1))
obj.matrix_world = apply_matrix
else:
if location:
raise Exception(
'Location only applies with all transformations (rotate and scale) together!'
)
if rotation:
loc, rot, sca = obj.matrix_world.decompose()
mesh_martix = get_rot_matrix(rot)
obj.data.transform(mesh_martix)
apply_matrix = get_loc_matrix(loc) @ get_rot_matrix(Quaternion()) @ get_sca_matrix(sca)
obj.matrix_world = apply_matrix
if scale:
loc, rot, sca = obj.matrix_world.decompose()
mesh_martix = get_sca_matrix(sca)
obj.data.transform(mesh_martix)
apply_matrix = get_loc_matrix(loc) @ get_rot_matrix(rot) @ get_sca_matrix(Vector.Fill(3, 1))
obj.matrix_world = apply_matrix
obj.rotation_mode = 'XYZ'
return obj
def round_transforms(obj):
''' Geting location of object and round it. '''
for idx, axis in enumerate(obj.location[:]):
obj.location[idx] = round(axis, 5)
return obj.location