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
|
# <pep8-80 compliant>
# ##### 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 #####
__author__ = "imdjs, Nutti <nutti.metro@gmail.com>"
__status__ = "production"
__version__ = "5.2"
__date__ = "17 Nov 2018"
from math import sin, cos, pi
from mathutils import Vector
def is_valid_context(context):
obj = context.object
# only edit mode is allowed to execute
if obj is None:
return False
if obj.type != 'MESH':
return False
if context.object.mode != 'EDIT':
return False
# only 'VIEW_3D' space is allowed to execute
for space in context.area.spaces:
if space.type == 'VIEW_3D':
break
else:
return False
return True
def get_uv_layer(ops_obj, bm, assign_uvmap):
# get UV layer
if not bm.loops.layers.uv:
if assign_uvmap:
bm.loops.layers.uv.new()
else:
ops_obj.report({'WARNING'},
"Object must have more than one UV map")
return None
uv_layer = bm.loops.layers.uv.verify()
return uv_layer
def apply_box_map(bm, uv_layer, size, offset, rotation, tex_aspect):
scale = 1.0 / size
sx = 1.0 * scale
sy = 1.0 * scale
sz = 1.0 * scale
ofx = offset[0]
ofy = offset[1]
ofz = offset[2]
rx = rotation[0] * pi / 180.0
ry = rotation[1] * pi / 180.0
rz = rotation[2] * pi / 180.0
aspect = tex_aspect
sel_faces = [f for f in bm.faces if f.select]
# update UV coordinate
for f in sel_faces:
n = f.normal
for l in f.loops:
co = l.vert.co
x = co.x * sx
y = co.y * sy
z = co.z * sz
# X-plane
if abs(n[0]) >= abs(n[1]) and abs(n[0]) >= abs(n[2]):
if n[0] >= 0.0:
u = (y - ofy) * cos(rx) + (z - ofz) * sin(rx)
v = -(y * aspect - ofy) * sin(rx) + \
(z * aspect - ofz) * cos(rx)
else:
u = -(y - ofy) * cos(rx) + (z - ofz) * sin(rx)
v = (y * aspect - ofy) * sin(rx) + \
(z * aspect - ofz) * cos(rx)
# Y-plane
elif abs(n[1]) >= abs(n[0]) and abs(n[1]) >= abs(n[2]):
if n[1] >= 0.0:
u = -(x - ofx) * cos(ry) + (z - ofz) * sin(ry)
v = (x * aspect - ofx) * sin(ry) + \
(z * aspect - ofz) * cos(ry)
else:
u = (x - ofx) * cos(ry) + (z - ofz) * sin(ry)
v = -(x * aspect - ofx) * sin(ry) + \
(z * aspect - ofz) * cos(ry)
# Z-plane
else:
if n[2] >= 0.0:
u = (x - ofx) * cos(rz) + (y - ofy) * sin(rz)
v = -(x * aspect - ofx) * sin(rz) + \
(y * aspect - ofy) * cos(rz)
else:
u = -(x - ofx) * cos(rz) - (y + ofy) * sin(rz)
v = -(x * aspect + ofx) * sin(rz) + \
(y * aspect - ofy) * cos(rz)
l[uv_layer].uv = Vector((u, v))
def apply_planer_map(bm, uv_layer, size, offset, rotation, tex_aspect):
scale = 1.0 / size
sx = 1.0 * scale
sy = 1.0 * scale
ofx = offset[0]
ofy = offset[1]
rz = rotation * pi / 180.0
aspect = tex_aspect
sel_faces = [f for f in bm.faces if f.select]
# calculate average of normal
n_ave = Vector((0.0, 0.0, 0.0))
for f in sel_faces:
n_ave = n_ave + f.normal
q = n_ave.rotation_difference(Vector((0.0, 0.0, 1.0)))
# update UV coordinate
for f in sel_faces:
for l in f.loops:
co = q @ l.vert.co
x = co.x * sx
y = co.y * sy
u = x * cos(rz) - y * sin(rz) + ofx
v = -x * aspect * sin(rz) - y * aspect * cos(rz) + ofy
l[uv_layer].uv = Vector((u, v))
|