Newer
Older
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
#====================== 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 ========================
import bpy
from math import sin, cos, pi
from rigify.utils import MetarigError
from rigify.utils import copy_bone
from rigify.utils import strip_org, deformer, mch
from rigify.utils import create_widget
import re
def bone_siblings(obj, bone):
""" Returns a list of the siblings of the given bone.
This requires that the bones has a parent.
"""
parent = obj.data.bones[bone].parent
if parent == None:
return []
bones = []
for b in parent.children:
if b.name != bone:
bones += [b.name]
return bones
def bone_distance(obj, bone1, bone2):
""" Returns the distance between two bones.
"""
vec = obj.data.bones[bone1].head - obj.data.bones[bone2].head
return vec.length
class Rig:
""" A "palm" rig. A set of sibling bones that bend with each other.
This is a control and deformation rig.
"""
def __init__(self, obj, bone, params):
""" Gather and validate data about the rig.
"""
self.obj = obj
self.params = params
siblings = bone_siblings(obj, bone)
if len(siblings) == 0:
raise MetarigError("RIGIFY ERROR: Bone '%s': must have a parent and at least one sibling." % (strip_org(bone)))
# Sort list by name and distance
siblings.sort()
siblings.sort(key=lambda b: bone_distance(obj, bone, b))
self.org_bones = [bone] + siblings
# Get rig parameters
self.palm_rotation_axis = params.palm_rotation_axis
def generate(self):
""" Generate the rig.
Do NOT modify any of the original bones, except for adding constraints.
The main armature should be selected and active before this is called.
"""
bpy.ops.object.mode_set(mode='EDIT')
# Figure out the name for the control bone (remove the last .##)
last_bone = self.org_bones[-1:][0]
ctrl_name = re.sub("([0-9]+\.)", "", strip_org(last_bone)[::-1], count=1)[::-1]
# Make control bone
ctrl = copy_bone(self.obj, last_bone, ctrl_name)
# Make deformation bones
def_bones = []
for bone in self.org_bones:
b = copy_bone(self.obj, bone, deformer(strip_org(bone)))
def_bones += [b]
# Parenting
eb = self.obj.data.edit_bones
for d, b in zip(def_bones, self.org_bones):
eb[d].use_connect = False
eb[d].parent = eb[b]
# Constraints
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
i = 0
div = len(self.org_bones) - 1
for b in self.org_bones:
con = pb[b].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = ctrl
con.target_space = 'LOCAL'
con.owner_space = 'LOCAL'
con.influence = i / div
con = pb[b].constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = ctrl
con.target_space = 'LOCAL'
con.owner_space = 'LOCAL'
if 'X' in self.palm_rotation_axis:
con.invert_x = True
con.use_x = True
con.use_z = False
else:
con.invert_z = True
con.use_x = False
con.use_z = True
con.use_y = False
con.influence = (i / div) - (1 - cos((i * pi / 2) / div))
i += 1
# Create control widget
w = create_widget(self.obj, ctrl)
if w != None:
mesh = w.data
verts = [(0.15780271589756012, 2.086162567138672e-07, -0.30000004172325134), (0.15780259668827057, 1.0, -0.2000001072883606), (-0.15780280530452728, 0.9999999403953552, -0.20000004768371582), (-0.15780259668827057, -2.086162567138672e-07, -0.29999998211860657), (-0.15780256688594818, -2.7089754439657554e-07, 0.30000004172325134), (-0.1578027755022049, 0.9999998807907104, 0.19999995827674866), (0.15780262649059296, 0.9999999403953552, 0.19999989867210388), (0.1578027456998825, 1.4633496903115883e-07, 0.29999998211860657), (0.15780268609523773, 0.2500001788139343, -0.27500003576278687), (-0.15780264139175415, 0.24999985098838806, -0.2749999761581421), (0.15780262649059296, 0.7500000596046448, -0.22500008344650269), (-0.1578027606010437, 0.7499998807907104, -0.2250000238418579), (0.15780265629291534, 0.75, 0.22499991953372955), (0.15780271589756012, 0.2500000596046448, 0.2749999761581421), (-0.15780261158943176, 0.2499997615814209, 0.27500003576278687), (-0.1578027307987213, 0.7499998807907104, 0.22499997913837433)]
if 'Z' in self.palm_rotation_axis:
# Flip x/z coordinates
temp = []
for v in verts:
temp += [(v[2], v[1], v[0])]
verts = temp
edges = [(1, 2), (0, 3), (4, 7), (5, 6), (8, 0), (9, 3), (10, 1), (11, 2), (12, 6), (13, 7), (4, 14), (15, 5), (10, 8), (11, 9), (15, 14), (12, 13)]
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = w.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
@classmethod
def add_parameters(self, group):
""" Add the parameters of this rig type to the
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
"""
items = [('X', 'X', ''), ('Z', 'Z', '')]
group.palm_rotation_axis = bpy.props.EnumProperty(items=items, name="Palm Rotation Axis", default='X')
@classmethod
def parameters_ui(self, layout, obj, bone):
""" Create the ui for the rig parameters.
"""
params = obj.pose.bones[bone].rigify_parameters[0]
r = layout.row()
r.label(text="Primary rotation axis:")
r.prop(params, "palm_rotation_axis", text="")
@classmethod
def create_sample(self, obj):
# generated by rigify.utils.write_metarig
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
bones = {}
bone = arm.edit_bones.new('palm.parent')
bone.head[:] = 0.0000, 0.0000, 0.0000
bone.tail[:] = 0.0577, 0.0000, -0.0000
bone.roll = 3.1416
bone.use_connect = False
bones['palm.parent'] = bone.name
bone = arm.edit_bones.new('palm.04')
bone.head[:] = 0.0577, 0.0315, -0.0000
bone.tail[:] = 0.1627, 0.0315, -0.0000
bone.roll = 3.1416
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.parent']]
bones['palm.04'] = bone.name
bone = arm.edit_bones.new('palm.03')
bone.head[:] = 0.0577, 0.0105, -0.0000
bone.tail[:] = 0.1627, 0.0105, -0.0000
bone.roll = 3.1416
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.parent']]
bones['palm.03'] = bone.name
bone = arm.edit_bones.new('palm.02')
bone.head[:] = 0.0577, -0.0105, -0.0000
bone.tail[:] = 0.1627, -0.0105, -0.0000
bone.roll = 3.1416
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.parent']]
bones['palm.02'] = bone.name
bone = arm.edit_bones.new('palm.01')
bone.head[:] = 0.0577, -0.0315, -0.0000
bone.tail[:] = 0.1627, -0.0315, -0.0000
bone.roll = 3.1416
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.parent']]
bones['palm.01'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['palm.parent']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, False, False)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'QUATERNION'
pbone = obj.pose.bones[bones['palm.04']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, True, True)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'YXZ'
pbone = obj.pose.bones[bones['palm.03']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, True, True)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'YXZ'
pbone = obj.pose.bones[bones['palm.02']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, True, True)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'YXZ'
pbone = obj.pose.bones[bones['palm.01']]
pbone.rigify_type = 'palm'
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, True, True)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'YXZ'
pbone.rigify_parameters.add()
bpy.ops.object.mode_set(mode='EDIT')
for bone in arm.edit_bones:
bone.select = False
bone.select_head = False
bone.select_tail = False
for b in bones:
bone = arm.edit_bones[bones[b]]
bone.select = True
bone.select_head = True
bone.select_tail = True
arm.edit_bones.active = bone