1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program 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 2
# 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, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
from mathutils import Vector
def align_objects(align_x, align_y, align_z, align_mode, relative_to):
cursor = bpy.context.scene.cursor_location
Left_Up_Front_SEL = [0.0, 0.0, 0.0]
Right_Down_Back_SEL = [0.0, 0.0, 0.0]
flag_first = True
objs = []
for obj in bpy.context.selected_objects:
matrix_world = obj.matrix_world
bb_world = [Vector(v[:]) * matrix_world for v in obj.bound_box]
objs.append((obj, bb_world))
if not objs:
return False
for obj, bb_world in objs:
Left_Up_Front = bb_world[1]
Right_Down_Back = bb_world[7]
# Active Center
if obj == bpy.context.active_object:
center_active_x = (Left_Up_Front[0] + Right_Down_Back[0]) / 2.0
center_active_y = (Left_Up_Front[1] + Right_Down_Back[1]) / 2.0
center_active_z = (Left_Up_Front[2] + Right_Down_Back[2]) / 2.0
size_active_x = (Right_Down_Back[0] - Left_Up_Front[0]) / 2.0
size_active_y = (Right_Down_Back[1] - Left_Up_Front[1]) / 2.0
size_active_z = (Left_Up_Front[2] - Right_Down_Back[2]) / 2.0
# Selection Center
if flag_first:
flag_first = False
Left_Up_Front_SEL[0] = Left_Up_Front[0]
Left_Up_Front_SEL[1] = Left_Up_Front[1]
Left_Up_Front_SEL[2] = Left_Up_Front[2]
Right_Down_Back_SEL[0] = Right_Down_Back[0]
Right_Down_Back_SEL[1] = Right_Down_Back[1]
Right_Down_Back_SEL[2] = Right_Down_Back[2]
else:
# X axis
if Left_Up_Front[0] < Left_Up_Front_SEL[0]:
Left_Up_Front_SEL[0] = Left_Up_Front[0]
# Y axis
if Left_Up_Front[1] < Left_Up_Front_SEL[1]:
Left_Up_Front_SEL[1] = Left_Up_Front[1]
# Z axis
if Left_Up_Front[2] > Left_Up_Front_SEL[2]:
Left_Up_Front_SEL[2] = Left_Up_Front[2]
# X axis
if Right_Down_Back[0] > Right_Down_Back_SEL[0]:
Right_Down_Back_SEL[0] = Right_Down_Back[0]
# Y axis
if Right_Down_Back[1] > Right_Down_Back_SEL[1]:
Right_Down_Back_SEL[1] = Right_Down_Back[1]
# Z axis
if Right_Down_Back[2] < Right_Down_Back_SEL[2]:
Right_Down_Back_SEL[2] = Right_Down_Back[2]
center_sel_x = (Left_Up_Front_SEL[0] + Right_Down_Back_SEL[0]) / 2.0
center_sel_y = (Left_Up_Front_SEL[1] + Right_Down_Back_SEL[1]) / 2.0
center_sel_z = (Left_Up_Front_SEL[2] + Right_Down_Back_SEL[2]) / 2.0
# Main Loop
for obj, bb_world in objs:
bb_world = [Vector(v[:]) * obj.matrix_world for v in obj.bound_box]
Left_Up_Front = bb_world[1]
Right_Down_Back = bb_world[7]
center_x = (Left_Up_Front[0] + Right_Down_Back[0]) / 2.0
center_y = (Left_Up_Front[1] + Right_Down_Back[1]) / 2.0
center_z = (Left_Up_Front[2] + Right_Down_Back[2]) / 2.0
positive_x = Right_Down_Back[0]
positive_y = Right_Down_Back[1]
positive_z = Left_Up_Front[2]
negative_x = Left_Up_Front[0]
negative_y = Left_Up_Front[1]
negative_z = Right_Down_Back[2]
obj_loc = obj.location
if align_x:
# Align Mode
if relative_to == 'OPT_4': # Active relative
if align_mode == 'OPT_1':
obj_x = obj_loc[0] - negative_x - size_active_x
elif align_mode == 'OPT_3':
obj_x = obj_loc[0] - positive_x + size_active_x
else: # Everything else relative
if align_mode == 'OPT_1':
obj_x = obj_loc[0] - negative_x
elif align_mode == 'OPT_3':
obj_x = obj_loc[0] - positive_x
if align_mode == 'OPT_2': # All relative
obj_x = obj_loc[0] - center_x
# Relative To
if relative_to == 'OPT_1':
loc_x = obj_x
elif relative_to == 'OPT_2':
loc_x = obj_x + cursor[0]
elif relative_to == 'OPT_3':
loc_x = obj_x + center_sel_x
elif relative_to == 'OPT_4':
loc_x = obj_x + center_active_x
obj.location[0] = loc_x
if align_y:
# Align Mode
if relative_to == 'OPT_4': # Active relative
if align_mode == 'OPT_1':
obj_y = obj_loc[1] - negative_y - size_active_y
elif align_mode == 'OPT_3':
obj_y = obj_loc[1] - positive_y + size_active_y
else: # Everything else relative
if align_mode == 'OPT_1':
obj_y = obj_loc[1] - negative_y
elif align_mode == 'OPT_3':
obj_y = obj_loc[1] - positive_y
if align_mode == 'OPT_2': # All relative
obj_y = obj_loc[1] - center_y
# Relative To
if relative_to == 'OPT_1':
loc_y = obj_y
elif relative_to == 'OPT_2':
loc_y = obj_y + cursor[1]
elif relative_to == 'OPT_3':
loc_y = obj_y + center_sel_y
elif relative_to == 'OPT_4':
loc_y = obj_y + center_active_y
obj.location[1] = loc_y
if align_z:
# Align Mode
if relative_to == 'OPT_4': # Active relative
if align_mode == 'OPT_1':
obj_z = obj_loc[2] - negative_z - size_active_z
elif align_mode == 'OPT_3':
obj_z = obj_loc[2] - positive_z + size_active_z
else: # Everything else relative
if align_mode == 'OPT_1':
obj_z = obj_loc[2] - negative_z
elif align_mode == 'OPT_3':
obj_z = obj_loc[2] - positive_z
if align_mode == 'OPT_2': # All relative
obj_z = obj_loc[2] - center_z
# Relative To
if relative_to == 'OPT_1':
loc_z = obj_z
elif relative_to == 'OPT_2':
loc_z = obj_z + cursor[2]
elif relative_to == 'OPT_3':
loc_z = obj_z + center_sel_z
elif relative_to == 'OPT_4':
loc_z = obj_z + center_active_z
obj.location[2] = loc_z
return True
from bpy.props import EnumProperty
class AlignObjects(bpy.types.Operator):
'''Align Objects'''
bl_idname = "object.align"
bl_label = "Align Objects"
bl_options = {'REGISTER', 'UNDO'}
align_mode = EnumProperty(items=(
('OPT_1', "Negative Sides", ""),
('OPT_2', "Centers", ""),
('OPT_3', "Positive Sides", "")),
name="Align Mode:",
description="",
default='OPT_2')
relative_to = EnumProperty(items=(
('OPT_1', "Scene Origin", ""),
('OPT_2', "3D Cursor", ""),
('OPT_3', "Selection", ""),
('OPT_4', "Active", "")),
name="Relative To:",
description="",
default='OPT_4')
align_axis = EnumProperty(items=(
('X', "X", ""),
('Y', "Y", ""),
('Z', "Z", ""),
),
name="Align",
description="Align to axis",
options={'ENUM_FLAG'})
@classmethod
def poll(cls, context):
return context.mode == 'OBJECT'
def execute(self, context):
align_axis = self.align_axis
ret = align_objects('X' in align_axis, 'Y' in align_axis, 'Z' in align_axis, self.align_mode, self.relative_to)
if not ret:
self.report({'WARNING'}, "No objects with bound-box selected")
return {'CANCELLED'}
else:
return {'FINISHED'}
|