def create_mch(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
super().create_mch()
self.bones['tail_mch'] = {}
org_chain = self.get_chain_bones(self.base_bone)
if edit_bones[org_chain[0]].parent:
bone_to_copy = edit_bones[org_chain[0]].parent.name
else:
bone_to_copy = self.orientation_bone
mch_rot_tail = make_mechanism_name('ROT-' + strip_org(self.base_bone))
mch_rot_tail = copy_bone(self.obj,
bone_to_copy,
assign_name=mch_rot_tail)
self.bones['tail_mch']['rot_tail_mch'] = mch_rot_tail
main_chain = self.get_chain_bones(self.base_bone)
flip_bone(self.obj, mch_rot_tail)
edit_bones[mch_rot_tail].parent = None
put_bone(self.obj, mch_rot_tail, edit_bones[main_chain[0]].head)
def create_mch(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
self.bones['eye_mch'] = dict()
self.bones['eye_mch']['eyelid_top'] = []
self.bones['eye_mch']['eyelid_bottom'] = []
self.bones['eye_mch']['eye_master'] = ''
self.bones['eye_mch']['eye_master_tip'] = ''
main_bone_name = strip_org(self.bones['org'][0])
eye_mch_name = make_mechanism_name(main_bone_name)
eye_mch_name = copy_bone(self.obj, self.bones['org'][0], eye_mch_name)
self.bones['eye_mch']['eye_master'] = eye_mch_name
eye_tip_mch_name = copy_bone(self.obj, self.orientation_bone,
eye_mch_name)
self.bones['eye_mch']['eye_master_tip'] = eye_tip_mch_name
put_bone(self.obj, eye_tip_mch_name, edit_bones[eye_mch_name].tail)
if self.orientation_bone == self.base_bone:
align_bone_y_axis(self.obj, eye_tip_mch_name, Vector((0, 0, 1)))
edit_bones[
eye_tip_mch_name].length = 0.25 * edit_bones[eye_mch_name].length
# top lid
top_lid_chain = self.get_chain_bones(self.lid_bones['top'][0])
for l_b in top_lid_chain:
lid_m_name = copy_bone(self.obj, self.bones['org'][0],
eye_mch_name)
edit_bones[lid_m_name].tail = edit_bones[l_b].tail
self.bones['eye_mch']['eyelid_top'].append(lid_m_name)
# bottom lid
bottom_lid_chain = self.get_chain_bones(self.lid_bones['bottom'][0])
for l_b in bottom_lid_chain:
lid_m_name = copy_bone(self.obj, self.bones['org'][0],
eye_mch_name)
edit_bones[lid_m_name].tail = edit_bones[l_b].tail
self.bones['eye_mch']['eyelid_bottom'].append(lid_m_name)
# create mch for eye_follow driver
if self.needs_driver:
if self.paired_eye or self.is_clustered():
eye_follow_mch = self.get_common_name()
else:
eye_follow_mch = strip_org(self.base_bone)
eye_follow_mch = make_mechanism_name(eye_follow_mch)
eye_follow_mch += "_parent"
if eye_follow_mch not in edit_bones:
parent = edit_bones[self.base_bone].parent.name
eye_follow_mch = copy_bone(self.obj, parent, eye_follow_mch)
edit_bones[
eye_follow_mch].length = 0.25 * edit_bones[parent].length
self.bones['eye_mch']['eyefollow'] = eye_follow_mch
super().create_mch()
def create_pivot(self, pivot=None):
""" Create the pivot control and mechanism bones """
org_bones = self.org_bones
bpy.ops.object.mode_set(mode='EDIT')
eb = self.obj.data.edit_bones
if not pivot:
pivot = int(len(org_bones) / 2)
pivot_name = org_bones[pivot]
if '.L' in pivot_name:
prefix = strip_org(org_bones[pivot]).split('.')[0] + '.L'
elif '.R' in pivot_name:
prefix = strip_org(org_bones[pivot]).split('.')[0] + '.R'
else:
prefix = strip_org(org_bones[pivot]).split('.')[0]
ctrl_name = get_bone_name(prefix, 'ctrl', 'pivot')
ctrl_name = copy_bone(self.obj, pivot_name, ctrl_name)
ctrl_eb = eb[ctrl_name]
self.orient_bone(ctrl_eb, 'y', self.spine_length / 2.5)
pivot_loc = eb[pivot_name].head + (
(eb[pivot_name].tail - eb[pivot_name].head) /
2) * (len(org_bones) % 2)
put_bone(self.obj, ctrl_name, pivot_loc)
v = eb[org_bones[-1]].tail - eb[org_bones[
0]].head # Create a vector from head of first ORG to tail of last
v.normalize()
v_proj = eb[org_bones[0]].y_axis.dot(
v) * v # projection of first ORG to v
v_point = eb[org_bones[
0]].y_axis - v_proj # a vector co-planar to first ORG and v directed out of the chain
if v_point.magnitude < eb[org_bones[
0]].y_axis.magnitude * 1e-03: # if v_point is too small it's not usable
v_point = eb[org_bones[0]].x_axis
if self.params.tweak_axis == 'auto':
align_bone_y_axis(self.obj, ctrl_name, v)
align_bone_z_axis(self.obj, ctrl_name, -v_point)
elif self.params.tweak_axis == 'x':
align_bone_y_axis(self.obj, ctrl_name, Vector((1, 0, 0)))
align_bone_x_axis(self.obj, ctrl_name, Vector((0, 0, 1)))
elif self.params.tweak_axis == 'y':
align_bone_y_axis(self.obj, ctrl_name, Vector((0, 1, 0)))
align_bone_x_axis(self.obj, ctrl_name, Vector((1, 0, 0)))
elif self.params.tweak_axis == 'z':
align_bone_y_axis(self.obj, ctrl_name, Vector((0, 0, 1)))
align_bone_x_axis(self.obj, ctrl_name, Vector((1, 0, 0)))
return {'ctrl': ctrl_name}
def create_mch(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
main_bone_name = strip_org(self.bones['org'][0])
mouth_lock_name = make_mechanism_name(main_bone_name + "_lock")
mouth_lock = copy_bone(self.obj, self.main_mch, mouth_lock_name)
self.bones['jaw_mch'] = dict()
self.bones['jaw_mch']['mouth_lock'] = mouth_lock
self.bones['jaw_mch']['jaw_masters'] = []
jaw_masters_number = 3
for i in range(0, jaw_masters_number):
jaw_m_name = make_mechanism_name("jaw_master")
jaw_m = copy_bone(self.obj, self.main_mch, jaw_m_name)
div_len = (edit_bones[mouth_lock].length/(jaw_masters_number + 1))
edit_bones[jaw_m].length = (jaw_masters_number - i) * div_len
edit_bones[jaw_m].use_connect = False
self.bones['jaw_mch']['jaw_masters'].append(jaw_m)
self.bones['mouth_mch'] = dict()
org_top = self.mouth_bones['top'][0]
top_mch_name = make_mechanism_name(strip_org(org_top))
top_mch = copy_bone(self.obj, org_top, top_mch_name)
self.bones['mouth_mch']['top'] = [top_mch]
edit_bones[top_mch].use_connect = False
self.bones['mouth_mch']['corners'] = []
for org_name in self.mouth_bones['corners']:
mch_name = make_mechanism_name(strip_org(org_name))
mch = copy_bone(self.obj, org_name, mch_name)
self.bones['mouth_mch']['corners'].append(mch)
edit_bones[mch].use_connect = False
org_bottom = self.mouth_bones['bottom'][0]
bottom_mch_name = make_mechanism_name(strip_org(org_bottom))
bottom_mch = copy_bone(self.obj, org_bottom, bottom_mch_name)
self.bones['mouth_mch']['bottom'] = [bottom_mch]
edit_bones[bottom_mch].use_connect = False
mbs = self.flatten(self.bones['mouth_mch'])
mouth_center = edit_bones[mbs[0]].head
for b in mbs[1:]:
mouth_center = mouth_center + edit_bones[b].head
mouth_center = mouth_center / len(mbs)
for b in self.flatten(self.bones['mouth_mch']):
put_bone(self.obj, b, mouth_center)
# create remaining subchain mch-s
super().create_mch()
def create_mch(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
super().create_mch()
self.bones['tongue_mch'] = {}
self.bones['tongue_mch']['tongue_tip'] = []
for i, mch in enumerate(self.bones['mch'][strip_org(self.base_bone)][:-1]):
if i == 0:
edit_bones[mch].length = edit_bones[self.base_bone].length
flip_bone(self.obj, mch)
self.bones['tongue_mch']['tongue_tip'].append(mch)
else:
put_bone(self.obj, mch, edit_bones[self.base_bone].tail)
edit_bones[mch].tail = edit_bones[self.base_bone].head
self.bones['tongue_mch']['tongue_tip'].append(mch)
def create_controls(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
self.bones['jaw_ctrl'] = dict()
jaw_ctrl_name = "jaw_master"
jaw_ctrl = copy_bone(self.obj, self.main_mch, jaw_ctrl_name)
self.bones['jaw_ctrl']['jaw'] = jaw_ctrl
edit_bones[jaw_ctrl].use_connect = False
self.bones['mouth_ctrl'] = dict()
org_top = self.mouth_bones['top'][0]
top_ctrl = copy_bone(self.obj, org_top, strip_org(org_top))
self.bones['mouth_ctrl']['top'] = [top_ctrl]
edit_bones[top_ctrl].use_connect = False
self.bones['mouth_ctrl']['corners'] = []
for org_name in self.mouth_bones['corners']:
ctrl = copy_bone(self.obj, org_name, strip_org(org_name))
self.bones['mouth_ctrl']['corners'].append(ctrl)
edit_bones[top_ctrl].use_connect = False
org_bottom = self.mouth_bones['bottom'][0]
bottom_ctrl = copy_bone(self.obj, org_bottom, strip_org(org_bottom))
self.bones['mouth_ctrl']['bottom'] = [bottom_ctrl]
edit_bones[bottom_ctrl].use_connect = False
mouth_center = (edit_bones[org_top].head + edit_bones[org_bottom].head) / 2
main_mouth_ctrl = copy_bone(self.obj, org_top, "main_mouth")
self.bones['mouth_ctrl']['main'] = main_mouth_ctrl
edit_bones[main_mouth_ctrl].use_connect = False
put_bone(self.obj, main_mouth_ctrl, mouth_center)
super().create_controls()
ctrls = self.get_all_ctrls()
for ctrl in ctrls:
align_bone_y_axis(self.obj, ctrl, Vector((0, 0, 1)))
def make_ctrl_chain(self):
"""
Create all ctrls in chain
:return:
"""
if not self.active:
return []
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
chain = self._bones['org']
self._bones['ctrl'] = []
if self.chain_type == ChainType.TYPE_MCH_BASED:
for chain_bone in chain:
ctrl = strip_org(chain_bone)
ctrl = copy_bone(self.obj,
self.orientation_bone,
assign_name=ctrl)
put_bone(self.obj, ctrl, edit_bones[chain_bone].head)
edit_bones[ctrl].length = edit_bones[
self.orientation_bone].length * self.CTRL_SCALE
edit_bones[ctrl].parent = None
edit_bones[ctrl].use_connect = False
self._bones['ctrl'].append(ctrl)
last_name = chain[-1]
last_ctrl = copy_bone(self.obj,
self.orientation_bone,
assign_name=strip_org(last_name))
put_bone(self.obj, last_ctrl, edit_bones[last_name].tail)
edit_bones[last_ctrl].length = edit_bones[
self.orientation_bone].length * self.CTRL_SCALE
edit_bones[last_ctrl].parent = None
edit_bones[last_ctrl].use_connect = False
self._bones['ctrl'].append(last_ctrl)
return self._bones['ctrl']
def create_controls(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
super().create_controls()
self.bones['tweaks'] = {}
self.bones['tail_ctrl'] = {}
chain = strip_org(self.base_bone)
ctrl_chain = self.bones['ctrl'][chain]
self.bones['tweaks'][chain] = []
orgs = self.get_chain_bones(org(chain))
for org_bone, ctrl in zip(orgs, ctrl_chain):
edit_bones[ctrl].length = edit_bones[org_bone].length
align_bone_y_axis(self.obj, ctrl, edit_bones[org_bone].y_axis)
tweak_name = 'tweak_' + ctrl
tweak_name = copy_bone(self.obj, org_bone, assign_name=tweak_name)
edit_bones[tweak_name].length = edit_bones[
self.orientation_bone].length * self.TWEAK_SCALE
self.bones['tweaks'][chain].append(tweak_name)
tweak_name = 'tweak_' + ctrl_chain[-1]
tweak_name = copy_bone(self.obj, orgs[-1], assign_name=tweak_name)
edit_bones[tweak_name].parent = None
put_bone(self.obj, tweak_name, edit_bones[orgs[-1]].tail)
edit_bones[tweak_name].length = edit_bones[
self.orientation_bone].length * self.TWEAK_SCALE
self.bones['tweaks'][chain].append(tweak_name)
edit_bones[ctrl_chain[-1]].head = edit_bones[orgs[0]].head
edit_bones[ctrl_chain[-1]].tail = edit_bones[orgs[0]].tail
tail_master = strip_org(self.base_bone) + '_master'
edit_bones[ctrl_chain[-1]].name = tail_master
self.bones['tail_ctrl']['tail_master'] = tail_master
ctrl_chain[-1] = tail_master
def create_mch(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
mch_bone = make_mechanism_name(strip_org(self.base_bone))
mch_bone = copy_bone(self.obj, self.base_bone, mch_bone)
self.bones['glue_mch'] = mch_bone
MCH_LAYER = [n == 30 for n in range(0, 32)]
edit_bones[mch_bone].layers = MCH_LAYER
if self.glue_mode == 'bridge':
self.bones['glue_mch'] = [mch_bone]
b = self.base_bone
put_bone(
self.obj, mch_bone, edit_bones[b].head -
(edit_bones[mch_bone].tail - edit_bones[mch_bone].head))
mch_bone = make_mechanism_name(strip_org(self.base_bone))
mch_bone = copy_bone(self.obj, self.base_bone, mch_bone)
self.bones['glue_mch'].append(mch_bone)
put_bone(self.obj, mch_bone, edit_bones[b].tail)
edit_bones[mch_bone].layers = MCH_LAYER
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.
"""
# Generate base IK limb
bone_list = self.ik_limb.generate()
thigh = bone_list[0]
shin = bone_list[1]
foot = bone_list[2]
foot_mch = bone_list[3]
pole = bone_list[4]
# vispole = bone_list[5]
# visfoot = bone_list[6]
# Build IK foot rig
bpy.ops.object.mode_set(mode='EDIT')
make_rocker = False
if self.org_bones[5] is not None:
make_rocker = True
# Create the bones
toe = copy_bone(self.obj, self.org_bones[3],
strip_org(self.org_bones[3]))
toe_parent = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".parent")))
toe_parent_socket1 = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".socket1")))
toe_parent_socket2 = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".socket2")))
foot_roll = copy_bone(
self.obj, self.org_bones[4],
strip_org(insert_before_lr(self.org_bones[2], "_roll.ik")))
roll1 = copy_bone(
self.obj, self.org_bones[4],
make_mechanism_name(strip_org(self.org_bones[2] + ".roll.01")))
roll2 = copy_bone(
self.obj, self.org_bones[4],
make_mechanism_name(strip_org(self.org_bones[2] + ".roll.02")))
if make_rocker:
rocker1 = copy_bone(
self.obj, self.org_bones[5],
make_mechanism_name(strip_org(self.org_bones[2] +
".rocker.01")))
rocker2 = copy_bone(
self.obj, self.org_bones[5],
make_mechanism_name(strip_org(self.org_bones[2] +
".rocker.02")))
# Get edit bones
eb = self.obj.data.edit_bones
org_foot_e = eb[self.org_bones[2]]
foot_e = eb[foot]
foot_ik_target_e = eb[foot_mch]
toe_e = eb[toe]
toe_parent_e = eb[toe_parent]
toe_parent_socket1_e = eb[toe_parent_socket1]
toe_parent_socket2_e = eb[toe_parent_socket2]
foot_roll_e = eb[foot_roll]
roll1_e = eb[roll1]
roll2_e = eb[roll2]
if make_rocker:
rocker1_e = eb[rocker1]
rocker2_e = eb[rocker2]
# Parenting
foot_ik_target_e.use_connect = False
foot_ik_target_e.parent = roll2_e
toe_e.parent = toe_parent_e
toe_parent_e.use_connect = False
toe_parent_e.parent = toe_parent_socket1_e
toe_parent_socket1_e.use_connect = False
toe_parent_socket1_e.parent = roll1_e
toe_parent_socket2_e.use_connect = False
toe_parent_socket2_e.parent = eb[self.org_bones[2]]
foot_roll_e.use_connect = False
foot_roll_e.parent = foot_e
roll1_e.use_connect = False
roll1_e.parent = foot_e
roll2_e.use_connect = False
roll2_e.parent = roll1_e
if make_rocker:
rocker1_e.use_connect = False
rocker2_e.use_connect = False
roll1_e.parent = rocker2_e
rocker2_e.parent = rocker1_e
rocker1_e.parent = foot_e
# Positioning
vec = Vector(toe_e.vector)
vec.normalize()
foot_e.tail = foot_e.head + (vec * foot_e.length)
foot_e.roll = toe_e.roll
flip_bone(self.obj, toe_parent_socket1)
flip_bone(self.obj, toe_parent_socket2)
toe_parent_socket1_e.head = Vector(org_foot_e.tail)
toe_parent_socket2_e.head = Vector(org_foot_e.tail)
toe_parent_socket1_e.tail = Vector(org_foot_e.tail) + (Vector(
(0, 0, 1)) * foot_e.length / 2)
toe_parent_socket2_e.tail = Vector(org_foot_e.tail) + (Vector(
(0, 0, 1)) * foot_e.length / 3)
toe_parent_socket2_e.roll = toe_parent_socket1_e.roll
tail = Vector(roll1_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.head = tail
roll2_e.head = Vector(org_foot_e.tail)
foot_roll_e.head = Vector(org_foot_e.tail)
put_bone(self.obj, foot_roll, roll1_e.head)
foot_roll_e.length /= 2
roll_axis = roll1_e.vector.cross(org_foot_e.vector)
align_bone_x_axis(self.obj, roll1, roll_axis)
align_bone_x_axis(self.obj, roll2, roll_axis)
foot_roll_e.roll = roll2_e.roll
if make_rocker:
d = toe_e.y_axis.dot(rocker1_e.x_axis)
if d >= 0.0:
flip_bone(self.obj, rocker2)
else:
flip_bone(self.obj, rocker1)
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
foot_p = pb[foot]
foot_roll_p = pb[foot_roll]
roll1_p = pb[roll1]
roll2_p = pb[roll2]
if make_rocker:
rocker1_p = pb[rocker1]
rocker2_p = pb[rocker2]
toe_p = pb[toe]
# toe_parent_p = pb[toe_parent]
toe_parent_socket1_p = pb[toe_parent_socket1]
# Foot roll control only rotates on x-axis, or x and y if rocker.
foot_roll_p.rotation_mode = 'XYZ'
if make_rocker:
foot_roll_p.lock_rotation = False, False, True
else:
foot_roll_p.lock_rotation = False, True, True
foot_roll_p.lock_location = True, True, True
foot_roll_p.lock_scale = True, True, True
# roll and rocker bones set to euler rotation
roll1_p.rotation_mode = 'XYZ'
roll2_p.rotation_mode = 'XYZ'
if make_rocker:
rocker1_p.rotation_mode = 'XYZ'
rocker2_p.rotation_mode = 'XYZ'
# toe_parent constraint
con = toe_parent_socket1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new(
'COPY_TRANSFORMS') # drive with IK switch
con.name = "fk"
con.target = self.obj
con.subtarget = toe_parent_socket2
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
# Foot roll drivers
fcurve = roll1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "min(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[0]'
fcurve = roll2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[0]'
if make_rocker:
fcurve = rocker1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,-var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[1]'
fcurve = rocker2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[1]'
# Constrain toe bone to toe control
con = pb[self.org_bones[3]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = toe
# Set layers if specified
if self.layers:
foot_roll_p.bone.layers = self.layers
toe_p.bone.layers = [
(i[0] or i[1]) for i in zip(toe_p.bone.layers, self.layers)
] # Both FK and IK layers
# Create widgets
create_circle_widget(self.obj, toe, radius=0.7, head_tail=0.5)
ob = create_widget(self.obj, foot_roll)
if ob is not None:
verts = [
(0.3999999761581421, 0.766044557094574, 0.6427875757217407),
(0.17668449878692627, 3.823702598992895e-08,
3.2084670920085046e-08),
(-0.17668461799621582, 9.874240447516058e-08,
8.285470443070153e-08),
(-0.39999961853027344, 0.7660449147224426, 0.6427879333496094),
(0.3562471270561218, 0.6159579753875732, 0.5168500542640686),
(-0.35624682903289795, 0.6159582138061523, 0.5168502926826477),
(0.20492683351039886, 0.09688037633895874, 0.0812922865152359),
(-0.20492687821388245, 0.0968804731965065, 0.08129236847162247)
]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (1, 6), (4, 6), (2, 7),
(5, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
ob = create_widget(self.obj, foot)
if ob is not None:
verts = [(0.7, 1.5, 0.0), (0.7, -0.25, 0.0), (-0.7, -0.25, 0.0),
(-0.7, 1.5, 0.0), (0.7, 0.723, 0.0), (-0.7, 0.723, 0.0),
(0.7, 0.0, 0.0), (-0.7, 0.0, 0.0)]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (4, 6), (1, 6), (5, 7),
(2, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
return [thigh, shin, foot, pole, foot_roll, foot_mch]
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')
# Create upper arm bones
if self.use_thigh_twist:
thigh1 = copy_bone(
self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0] + ".01")))
thigh2 = copy_bone(
self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0] + ".02")))
utip = copy_bone(
self.obj, self.org_bones[0],
make_mechanism_name(strip_org(self.org_bones[0] + ".tip")))
else:
thigh = copy_bone(self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0])))
# Create forearm bones
if self.use_shin_twist:
shin1 = copy_bone(
self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1] + ".01")))
shin2 = copy_bone(
self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1] + ".02")))
stip = copy_bone(
self.obj, self.org_bones[1],
make_mechanism_name(strip_org(self.org_bones[1] + ".tip")))
else:
shin = copy_bone(self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1])))
# Create foot bone
foot = copy_bone(self.obj, self.org_bones[2],
make_deformer_name(strip_org(self.org_bones[2])))
# Create toe bone
toe = copy_bone(self.obj, self.org_bones[3],
make_deformer_name(strip_org(self.org_bones[3])))
# Get edit bones
eb = self.obj.data.edit_bones
org_thigh_e = eb[self.org_bones[0]]
if self.use_thigh_twist:
thigh1_e = eb[thigh1]
thigh2_e = eb[thigh2]
utip_e = eb[utip]
else:
thigh_e = eb[thigh]
org_shin_e = eb[self.org_bones[1]]
if self.use_shin_twist:
shin1_e = eb[shin1]
shin2_e = eb[shin2]
stip_e = eb[stip]
else:
shin_e = eb[shin]
org_foot_e = eb[self.org_bones[2]]
foot_e = eb[foot]
org_toe_e = eb[self.org_bones[3]]
toe_e = eb[toe]
# Parent and position thigh bones
if self.use_thigh_twist:
thigh1_e.use_connect = False
thigh2_e.use_connect = False
utip_e.use_connect = False
thigh1_e.parent = org_thigh_e.parent
thigh2_e.parent = org_thigh_e
utip_e.parent = org_thigh_e
center = Vector((org_thigh_e.head + org_thigh_e.tail) / 2)
thigh1_e.tail = center
thigh2_e.head = center
put_bone(self.obj, utip, org_thigh_e.tail)
utip_e.length = org_thigh_e.length / 8
else:
thigh_e.use_connect = False
thigh_e.parent = org_thigh_e
# Parent and position shin bones
if self.use_shin_twist:
shin1_e.use_connect = False
shin2_e.use_connect = False
stip_e.use_connect = False
shin1_e.parent = org_shin_e
shin2_e.parent = org_shin_e
stip_e.parent = org_shin_e
center = Vector((org_shin_e.head + org_shin_e.tail) / 2)
shin1_e.tail = center
shin2_e.head = center
put_bone(self.obj, stip, org_shin_e.tail)
stip_e.length = org_shin_e.length / 8
# Align roll of shin2 with foot
align_roll(self.obj, shin2, foot)
else:
shin_e.use_connect = False
shin_e.parent = org_shin_e
# Parent foot
foot_e.use_connect = False
foot_e.parent = org_foot_e
# Parent toe
toe_e.use_connect = False
toe_e.parent = org_toe_e
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
if self.use_thigh_twist:
thigh1_p = pb[thigh1]
if self.use_shin_twist:
shin2_p = pb[shin2]
foot_p = pb[foot]
# Thigh constraints
if self.use_thigh_twist:
con = thigh1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = thigh1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = thigh1_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = utip
# Shin constraints
if self.use_shin_twist:
con = shin2_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = foot
con = shin2_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = stip
def gen_control(self):
""" Generate the control rig.
"""
#---------------------------------
# Create the hip and rib controls
bpy.ops.object.mode_set(mode='EDIT')
# Copy org bones
hip_control = copy_bone(self.obj, self.org_bones[0],
strip_org(self.org_bones[0]))
rib_control = copy_bone(self.obj, self.org_bones[-1],
strip_org(self.org_bones[-1]))
rib_mch = copy_bone(
self.obj, self.org_bones[-1],
make_mechanism_name(strip_org(self.org_bones[-1] + ".follow")))
hinge = copy_bone(
self.obj, self.org_bones[0],
make_mechanism_name(strip_org(self.org_bones[-1]) + ".hinge"))
eb = self.obj.data.edit_bones
hip_control_e = eb[hip_control]
rib_control_e = eb[rib_control]
rib_mch_e = eb[rib_mch]
hinge_e = eb[hinge]
# Parenting
hip_control_e.use_connect = False
rib_control_e.use_connect = False
rib_mch_e.use_connect = False
hinge_e.use_connect = False
hinge_e.parent = None
rib_control_e.parent = hinge_e
rib_mch_e.parent = rib_control_e
# Position
flip_bone(self.obj, hip_control)
flip_bone(self.obj, hinge)
hinge_e.length /= 2
rib_mch_e.length /= 2
put_bone(self.obj, rib_control, hip_control_e.head)
put_bone(self.obj, rib_mch, hip_control_e.head)
bpy.ops.object.mode_set(mode='POSE')
bpy.ops.object.mode_set(mode='EDIT')
eb = self.obj.data.edit_bones
# Switch to object mode
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
hip_control_p = pb[hip_control]
rib_control_p = pb[rib_control]
hinge_p = pb[hinge]
# No translation on rib control
rib_control_p.lock_location = [True, True, True]
# Hip does not use local location
hip_control_p.bone.use_local_location = False
# Custom hinge property
prop = rna_idprop_ui_prop_get(rib_control_p, "isolate", create=True)
rib_control_p["isolate"] = 1.0
prop["soft_min"] = prop["min"] = 0.0
prop["soft_max"] = prop["max"] = 1.0
# Constraints
con = hinge_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = hip_control
con1 = hinge_p.constraints.new('COPY_ROTATION')
con1.name = "isolate_off.01"
con1.target = self.obj
con1.subtarget = hip_control
con2 = rib_control_p.constraints.new('COPY_SCALE')
con2.name = "isolate_off.02"
con2.target = self.obj
con2.subtarget = hip_control
con2.use_offset = True
con2.target_space = 'LOCAL'
con2.owner_space = 'LOCAL'
# Drivers for "isolate_off"
fcurve = con1.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = rib_control_p.path_from_id() + '["isolate"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
fcurve = con2.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = rib_control_p.path_from_id() + '["isolate"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
# Appearence
hip_control_p.custom_shape_transform = pb[self.org_bones[0]]
rib_control_p.custom_shape_transform = pb[self.org_bones[-1]]
#-------------------------
# Create flex spine chain
# Create bones/parenting/positiong
bpy.ops.object.mode_set(mode='EDIT')
flex_bones = []
flex_helpers = []
prev_bone = None
for b in self.org_bones:
# Create bones
bone = copy_bone(self.obj, b,
make_mechanism_name(strip_org(b) + ".flex"))
helper = copy_bone(self.obj, rib_mch,
make_mechanism_name(strip_org(b) + ".flex_h"))
flex_bones += [bone]
flex_helpers += [helper]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
helper_e = eb[helper]
# Parenting
bone_e.use_connect = False
helper_e.use_connect = False
if prev_bone == None:
helper_e.parent = eb[hip_control]
bone_e.parent = helper_e
# Position
put_bone(self.obj, helper, bone_e.head)
helper_e.length /= 4
prev_bone = bone
# Constraints
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
rib_control_p = pb[rib_control]
rib_mch_p = pb[rib_mch]
inc = 1.0 / (len(flex_helpers) - 1)
inf = 1.0 / (len(flex_helpers) - 1)
for b in zip(flex_helpers[1:], flex_bones[:-1], self.org_bones[1:]):
bone_p = pb[b[0]]
# Scale constraints
con = bone_p.constraints.new('COPY_SCALE')
con.name = "copy_scale1"
con.target = self.obj
con.subtarget = flex_helpers[0]
con.influence = 1.0
con = bone_p.constraints.new('COPY_SCALE')
con.name = "copy_scale2"
con.target = self.obj
con.subtarget = rib_mch
con.influence = inf
# Bend constraints
con = bone_p.constraints.new('COPY_ROTATION')
con.name = "bend1"
con.target = self.obj
con.subtarget = flex_helpers[0]
con.influence = 1.0
con = bone_p.constraints.new('COPY_ROTATION')
con.name = "bend2"
con.target = self.obj
con.subtarget = rib_mch
con.influence = inf
# If not the rib control
if b[0] != flex_helpers[-1]:
# Custom bend property
prop_name = "bend_" + strip_org(b[2])
prop = rna_idprop_ui_prop_get(rib_control_p,
prop_name,
create=True)
rib_control_p[prop_name] = inf
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Bend driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = prop_name
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = rib_control_p.path_from_id(
) + '["' + prop_name + '"]'
# Location constraint
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = b[1]
con.head_tail = 1.0
inf += inc
#----------------------------
# Create reverse spine chain
# Create bones/parenting/positioning
bpy.ops.object.mode_set(mode='EDIT')
rev_bones = []
prev_bone = None
for b in zip(flex_bones, self.org_bones):
# Create bones
bone = copy_bone(self.obj, b[1],
make_mechanism_name(strip_org(b[1]) + ".reverse"))
rev_bones += [bone]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
# Parenting
bone_e.use_connect = False
bone_e.parent = eb[b[0]]
# Position
flip_bone(self.obj, bone)
bone_e.tail = Vector(eb[b[0]].head)
#bone_e.head = Vector(eb[b[0]].tail)
if prev_bone == None:
pass # Position base bone wherever you want, for now do nothing (i.e. position at hips)
else:
put_bone(self.obj, bone, eb[prev_bone].tail)
prev_bone = bone
# Constraints
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
prev_bone = None
for bone in rev_bones:
bone_p = pb[bone]
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
if prev_bone == None:
con.subtarget = hip_control # Position base bone wherever you want, for now hips
else:
con.subtarget = prev_bone
con.head_tail = 1.0
prev_bone = bone
#---------------------------------------------
# Constrain org bones to flex bone's rotation
pb = self.obj.pose.bones
for b in zip(self.org_bones, flex_bones):
con = pb[b[0]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = b[1]
#---------------------------
# Create pivot slide system
pb = self.obj.pose.bones
bone_p = pb[self.org_bones[0]]
rib_control_p = pb[rib_control]
# Custom pivot_slide property
prop = rna_idprop_ui_prop_get(rib_control_p,
"pivot_slide",
create=True)
rib_control_p["pivot_slide"] = 1.0 / len(self.org_bones)
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 1.0 / len(self.org_bones)
prop["soft_max"] = 1.0 - (1.0 / len(self.org_bones))
# Anchor constraint
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = rev_bones[0]
# Slide constraints
i = 1
tot = len(rev_bones)
for rb in rev_bones:
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "slide." + str(i)
con.target = self.obj
con.subtarget = rb
con.head_tail = 1.0
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "slide"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = rib_control_p.path_from_id(
) + '["pivot_slide"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1 - i
mod.coefficients[1] = tot
i += 1
# Create control widgets
w1 = create_circle_widget(self.obj,
hip_control,
radius=1.0,
head_tail=1.0)
w2 = create_circle_widget(self.obj,
rib_control,
radius=1.0,
head_tail=0.0)
if w1 != None:
obj_to_bone(w1, self.obj, self.org_bones[0])
if w2 != None:
obj_to_bone(w2, self.obj, self.org_bones[-1])
# Return control names
return hip_control, rib_control
def gen_control(self):
""" Generate the control rig.
"""
#---------------------------------
# Create the neck and head controls
bpy.ops.object.mode_set(mode='EDIT')
# Create bones
neck_ctrl = copy_bone(self.obj, self.org_bones[0], strip_org(self.org_bones[0]))
neck_follow = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[0] + ".follow")))
neck_child = new_bone(self.obj, make_mechanism_name(strip_org(self.org_bones[0] + ".child")))
head_ctrl = copy_bone(self.obj, self.org_bones[-1], strip_org(self.org_bones[-1]))
head_mch = new_bone(self.obj, make_mechanism_name(strip_org(self.org_bones[-1])))
if self.isolate:
head_socket1 = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[-1] + ".socket1")))
head_socket2 = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[-1] + ".socket2")))
# Create neck chain bones
neck = []
helpers = []
for name in self.org_bones:
neck += [copy_bone(self.obj, name, make_mechanism_name(strip_org(name)))]
helpers += [copy_bone(self.obj, neck_child, make_mechanism_name(strip_org(name + ".02")))]
# Fetch edit bones
eb = self.obj.data.edit_bones
neck_ctrl_e = eb[neck_ctrl]
neck_follow_e = eb[neck_follow]
neck_child_e = eb[neck_child]
head_ctrl_e = eb[head_ctrl]
head_mch_e = eb[head_mch]
if self.isolate:
head_socket1_e = eb[head_socket1]
head_socket2_e = eb[head_socket2]
# Parenting
head_ctrl_e.use_connect = False
head_ctrl_e.parent = neck_ctrl_e.parent
head_mch_e.use_connect = False
head_mch_e.parent = head_ctrl_e
if self.isolate:
head_socket1_e.use_connect = False
head_socket1_e.parent = neck_ctrl_e.parent
head_socket2_e.use_connect = False
head_socket2_e.parent = None
head_ctrl_e.parent = head_socket2_e
for (name1, name2) in zip(neck, helpers):
eb[name1].use_connect = False
eb[name1].parent = eb[name2]
eb[name2].use_connect = False
eb[name2].parent = neck_ctrl_e.parent
neck_follow_e.use_connect = False
neck_follow_e.parent = neck_ctrl_e.parent
neck_child_e.use_connect = False
neck_child_e.parent = neck_ctrl_e
neck_ctrl_e.parent = neck_follow_e
# Position
put_bone(self.obj, neck_follow, neck_ctrl_e.head)
put_bone(self.obj, neck_child, neck_ctrl_e.head)
put_bone(self.obj, head_ctrl, neck_ctrl_e.head)
put_bone(self.obj, head_mch, neck_ctrl_e.head)
head_mch_e.length = head_ctrl_e.length / 2
neck_child_e.length = neck_ctrl_e.length / 2
if self.isolate:
put_bone(self.obj, head_socket1, neck_ctrl_e.head)
head_mch_e.length /= 2
put_bone(self.obj, head_socket2, neck_ctrl_e.head)
head_mch_e.length /= 3
for (name1, name2) in zip(neck, helpers):
put_bone(self.obj, name2, eb[name1].head)
eb[name2].length = eb[name1].length / 2
# Switch to object mode
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
neck_ctrl_p = pb[neck_ctrl]
neck_follow_p = pb[neck_follow]
# neck_child_p = pb[neck_child] # UNUSED
head_ctrl_p = pb[head_ctrl]
if self.isolate:
# head_socket1_p = pb[head_socket1] # UNUSED
head_socket2_p = pb[head_socket2]
# Custom bone appearance
neck_ctrl_p.custom_shape_transform = pb[self.org_bones[(len(self.org_bones) - 1) // 2]]
head_ctrl_p.custom_shape_transform = pb[self.org_bones[-1]]
# Custom properties
prop = rna_idprop_ui_prop_get(head_ctrl_p, "inf_extent", create=True)
head_ctrl_p["inf_extent"] = 0.5
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
prop = rna_idprop_ui_prop_get(head_ctrl_p, "neck_follow", create=True)
head_ctrl_p["neck_follow"] = 1.0
prop["min"] = 0.0
prop["max"] = 2.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
if self.isolate:
prop = rna_idprop_ui_prop_get(head_ctrl_p, "isolate", create=True)
head_ctrl_p["isolate"] = 0.0
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Constraints
# Neck follow
con = neck_follow_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = head_ctrl
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "follow"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["neck_follow"]'
driver.expression = "follow / 2"
# Isolate
if self.isolate:
con = head_socket2_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = head_socket1
con = head_socket2_p.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = head_socket1
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "isolate"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["isolate"]'
driver.expression = "1.0 - isolate"
# Neck chain
first = True
prev = None
i = 0
l = len(neck)
for (name1, name2, org_name) in zip(neck, helpers, self.org_bones):
con = pb[org_name].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name1
n_con = pb[name2].constraints.new('COPY_TRANSFORMS')
n_con.name = "neck"
n_con.target = self.obj
n_con.subtarget = neck_child
h_con = pb[name2].constraints.new('COPY_TRANSFORMS')
h_con.name = "head"
h_con.target = self.obj
h_con.subtarget = head_mch
con = pb[name2].constraints.new('COPY_LOCATION')
con.name = "anchor"
con.target = self.obj
if first:
con.subtarget = neck_ctrl
else:
con.subtarget = prev
con.head_tail = 1.0
# Drivers
n = (i + 1) / l
# Neck influence
fcurve = n_con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "ext"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["inf_extent"]'
driver.expression = "1.0 if (%.4f > (1.0-ext) or (1.0-ext) == 0.0) else (%.4f / (1.0-ext))" % (n, n)
# Head influence
if (i + 1) == l:
h_con.influence = 1.0
else:
fcurve = h_con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "ext"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["inf_extent"]'
driver.expression = "0.0 if (%.4f <= (1.0-ext)) else ((%.4f - (1.0-ext)) / ext)" % (n, n)
first = False
prev = name1
i += 1
# Create control widgets
w1 = create_circle_widget(self.obj, neck_ctrl, radius=1.0, head_tail=0.5)
w2 = create_circle_widget(self.obj, head_ctrl, radius=1.0, head_tail=0.5)
if w1 != None:
obj_to_bone(w1, self.obj, self.org_bones[(len(self.org_bones) - 1) // 2])
if w2 != None:
obj_to_bone(w2, self.obj, self.org_bones[-1])
# Return control bones
return (head_ctrl, neck_ctrl)
def gen_control(self):
""" Generate the control rig.
"""
#---------------------------------
# Create the neck and head controls
bpy.ops.object.mode_set(mode='EDIT')
# Create bones
neck_ctrl = copy_bone(self.obj, self.org_bones[0], strip_org(self.org_bones[0]))
neck_follow = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[0] + ".follow")))
neck_child = new_bone(self.obj, make_mechanism_name(strip_org(self.org_bones[0] + ".child")))
head_ctrl = copy_bone(self.obj, self.org_bones[-1], strip_org(self.org_bones[-1]))
head_mch = new_bone(self.obj, make_mechanism_name(strip_org(self.org_bones[-1])))
if self.isolate:
head_socket1 = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[-1] + ".socket1")))
head_socket2 = copy_bone(self.obj, self.org_bones[-1], make_mechanism_name(strip_org(self.org_bones[-1] + ".socket2")))
# Create neck chain bones
neck = []
helpers = []
for name in self.org_bones:
neck += [copy_bone(self.obj, name, make_mechanism_name(strip_org(name)))]
helpers += [copy_bone(self.obj, neck_child, make_mechanism_name(strip_org(name + ".02")))]
# Fetch edit bones
eb = self.obj.data.edit_bones
neck_ctrl_e = eb[neck_ctrl]
neck_follow_e = eb[neck_follow]
neck_child_e = eb[neck_child]
head_ctrl_e = eb[head_ctrl]
head_mch_e = eb[head_mch]
if self.isolate:
head_socket1_e = eb[head_socket1]
head_socket2_e = eb[head_socket2]
# Parenting
head_ctrl_e.use_connect = False
head_ctrl_e.parent = neck_ctrl_e.parent
head_mch_e.use_connect = False
head_mch_e.parent = head_ctrl_e
if self.isolate:
head_socket1_e.use_connect = False
head_socket1_e.parent = neck_ctrl_e.parent
head_socket2_e.use_connect = False
head_socket2_e.parent = None
head_ctrl_e.parent = head_socket2_e
for (name1, name2) in zip(neck, helpers):
eb[name1].use_connect = False
eb[name1].parent = eb[name2]
eb[name2].use_connect = False
eb[name2].parent = neck_ctrl_e.parent
neck_follow_e.use_connect = False
neck_follow_e.parent = neck_ctrl_e.parent
neck_child_e.use_connect = False
neck_child_e.parent = neck_ctrl_e
neck_ctrl_e.parent = neck_follow_e
# Position
put_bone(self.obj, neck_follow, neck_ctrl_e.head)
put_bone(self.obj, neck_child, neck_ctrl_e.head)
put_bone(self.obj, head_ctrl, neck_ctrl_e.head)
put_bone(self.obj, head_mch, neck_ctrl_e.head)
head_mch_e.length = head_ctrl_e.length / 2
neck_child_e.length = neck_ctrl_e.length / 2
if self.isolate:
put_bone(self.obj, head_socket1, neck_ctrl_e.head)
head_mch_e.length /= 2
put_bone(self.obj, head_socket2, neck_ctrl_e.head)
head_mch_e.length /= 3
for (name1, name2) in zip(neck, helpers):
put_bone(self.obj, name2, eb[name1].head)
eb[name2].length = eb[name1].length / 2
# Switch to object mode
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
neck_ctrl_p = pb[neck_ctrl]
neck_follow_p = pb[neck_follow]
# neck_child_p = pb[neck_child] # UNUSED
head_ctrl_p = pb[head_ctrl]
if self.isolate:
# head_socket1_p = pb[head_socket1] # UNUSED
head_socket2_p = pb[head_socket2]
# Custom bone appearance
neck_ctrl_p.custom_shape_transform = pb[self.org_bones[(len(self.org_bones) - 1) // 2]]
head_ctrl_p.custom_shape_transform = pb[self.org_bones[-1]]
# Custom properties
prop = rna_idprop_ui_prop_get(head_ctrl_p, "inf_extent", create=True)
head_ctrl_p["inf_extent"] = 0.5
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
prop = rna_idprop_ui_prop_get(head_ctrl_p, "neck_follow", create=True)
head_ctrl_p["neck_follow"] = 1.0
prop["min"] = 0.0
prop["max"] = 2.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
if self.isolate:
prop = rna_idprop_ui_prop_get(head_ctrl_p, "isolate", create=True)
head_ctrl_p["isolate"] = 0.0
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Constraints
# Neck follow
con = neck_follow_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = head_ctrl
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "follow"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["neck_follow"]'
driver.expression = "follow / 2"
# Isolate
if self.isolate:
con = head_socket2_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = head_socket1
con = head_socket2_p.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = head_socket1
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "isolate"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["isolate"]'
driver.expression = "1.0 - isolate"
# Neck chain
first = True
prev = None
i = 0
l = len(neck)
for (name1, name2, org_name) in zip(neck, helpers, self.org_bones):
con = pb[org_name].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name1
n_con = pb[name2].constraints.new('COPY_TRANSFORMS')
n_con.name = "neck"
n_con.target = self.obj
n_con.subtarget = neck_child
h_con = pb[name2].constraints.new('COPY_TRANSFORMS')
h_con.name = "head"
h_con.target = self.obj
h_con.subtarget = head_mch
con = pb[name2].constraints.new('COPY_LOCATION')
con.name = "anchor"
con.target = self.obj
if first:
con.subtarget = neck_ctrl
else:
con.subtarget = prev
con.head_tail = 1.0
# Drivers
n = (i + 1) / l
# Neck influence
fcurve = n_con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "ext"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["inf_extent"]'
driver.expression = "1.0 if (%.4f > (1.0-ext) or (1.0-ext) == 0.0) else (%.4f / (1.0-ext))" % (n, n)
# Head influence
if (i + 1) == l:
h_con.influence = 1.0
else:
fcurve = h_con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
var.name = "ext"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = head_ctrl_p.path_from_id() + '["inf_extent"]'
driver.expression = "0.0 if (%.4f <= (1.0-ext)) else ((%.4f - (1.0-ext)) / ext)" % (n, n)
first = False
prev = name1
i += 1
# Create control widgets
w1 = create_circle_widget(self.obj, neck_ctrl, radius=1.0, head_tail=0.5)
w2 = create_circle_widget(self.obj, head_ctrl, radius=1.0, head_tail=0.5)
if w1 != None:
obj_to_bone(w1, self.obj, self.org_bones[(len(self.org_bones) - 1) // 2])
if w2 != None:
obj_to_bone(w2, self.obj, self.org_bones[-1])
# Return control bones
return (head_ctrl, neck_ctrl)
def gen_control(self):
""" Generate the control rig.
"""
bpy.ops.object.mode_set(mode='EDIT')
eb = self.obj.data.edit_bones
#-------------------------
# Get rest slide position
a = self.pivot_rest * len(self.org_bones)
i = floor(a)
a -= i
if i == len(self.org_bones):
i -= 1
a = 1.0
pivot_rest_pos = eb[self.org_bones[i]].head.copy()
pivot_rest_pos += eb[self.org_bones[i]].vector * a
#----------------------
# Create controls
# Create control bones
controls = []
for i in self.control_indices:
name = copy_bone(self.obj, self.org_bones[i], strip_org(self.org_bones[i]))
controls += [name]
# Create control parents
control_parents = []
for i in self.control_indices[1:-1]:
name = new_bone(self.obj, make_mechanism_name("par_" + strip_org(self.org_bones[i])))
control_parents += [name]
# Create sub-control bones
subcontrols = []
for i in self.control_indices:
name = new_bone(self.obj, make_mechanism_name("sub_" + strip_org(self.org_bones[i])))
subcontrols += [name]
# Create main control bone
main_control = new_bone(self.obj, self.params.spine_main_control_name)
# Create main control WGT bones
main_wgt1 = new_bone(self.obj, make_mechanism_name(self.params.spine_main_control_name + ".01"))
main_wgt2 = new_bone(self.obj, make_mechanism_name(self.params.spine_main_control_name + ".02"))
eb = self.obj.data.edit_bones
# Parent the main control
eb[main_control].use_connect = False
eb[main_control].parent = eb[self.org_bones[0]].parent
# Parent the main WGTs
eb[main_wgt1].use_connect = False
eb[main_wgt1].parent = eb[main_control]
eb[main_wgt2].use_connect = False
eb[main_wgt2].parent = eb[main_wgt1]
# Parent the controls and sub-controls
for name, subname in zip(controls, subcontrols):
eb[name].use_connect = False
eb[name].parent = eb[main_control]
eb[subname].use_connect = False
eb[subname].parent = eb[name]
# Parent the control parents
for name, par_name in zip(controls[1:-1], control_parents):
eb[par_name].use_connect = False
eb[par_name].parent = eb[main_control]
eb[name].parent = eb[par_name]
# Position the main bone
put_bone(self.obj, main_control, pivot_rest_pos)
eb[main_control].length = sum([eb[b].length for b in self.org_bones]) / 2
# Position the main WGTs
eb[main_wgt1].tail = (0.0, 0.0, sum([eb[b].length for b in self.org_bones]) / 4)
eb[main_wgt2].length = sum([eb[b].length for b in self.org_bones]) / 4
put_bone(self.obj, main_wgt1, pivot_rest_pos)
put_bone(self.obj, main_wgt2, pivot_rest_pos)
# Position the controls and sub-controls
pos = eb[controls[0]].head.copy()
for name, subname in zip(controls, subcontrols):
put_bone(self.obj, name, pivot_rest_pos)
put_bone(self.obj, subname, pivot_rest_pos)
eb[subname].length = eb[name].length / 3
# Position the control parents
for name, par_name in zip(controls[1:-1], control_parents):
put_bone(self.obj, par_name, pivot_rest_pos)
eb[par_name].length = eb[name].length / 2
#-----------------------------------------
# Control bone constraints and properties
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Lock control locations
for name in controls:
bone = pb[name]
bone.lock_location = True, True, True
# Main control doesn't use local location
pb[main_control].bone.use_local_location = False
# Intermediate controls follow hips and spine
for name, par_name, i in zip(controls[1:-1], control_parents, self.control_indices[1:-1]):
bone = pb[par_name]
# Custom bend_alpha property
prop = rna_idprop_ui_prop_get(pb[name], "bend_alpha", create=True)
pb[name]["bend_alpha"] = i / (len(self.org_bones) - 1) # set bend alpha
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Custom auto_rotate
prop = rna_idprop_ui_prop_get(pb[name], "auto_rotate", create=True)
pb[name]["auto_rotate"] = 1.0
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Constraints
con1 = bone.constraints.new('COPY_TRANSFORMS')
con1.name = "copy_transforms"
con1.target = self.obj
con1.subtarget = subcontrols[0]
con2 = bone.constraints.new('COPY_TRANSFORMS')
con2.name = "copy_transforms"
con2.target = self.obj
con2.subtarget = subcontrols[-1]
# Drivers
fcurve = con1.driver_add("influence")
driver = fcurve.driver
driver.type = 'AVERAGE'
var = driver.variables.new()
var.name = "auto"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id() + '["auto_rotate"]'
fcurve = con2.driver_add("influence")
driver = fcurve.driver
driver.type = 'SCRIPTED'
driver.expression = "alpha * auto"
var = driver.variables.new()
var.name = "alpha"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id() + '["bend_alpha"]'
var = driver.variables.new()
var.name = "auto"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id() + '["auto_rotate"]'
#-------------------------
# Create flex spine chain
bpy.ops.object.mode_set(mode='EDIT')
flex_bones = []
flex_subs = []
prev_bone = None
for b in self.org_bones:
# Create bones
bone = copy_bone(self.obj, b, make_mechanism_name(strip_org(b) + ".flex"))
sub = new_bone(self.obj, make_mechanism_name(strip_org(b) + ".flex_s"))
flex_bones += [bone]
flex_subs += [sub]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
sub_e = eb[sub]
# Parenting
bone_e.use_connect = False
sub_e.use_connect = False
if prev_bone is None:
sub_e.parent = eb[controls[0]]
else:
sub_e.parent = eb[prev_bone]
bone_e.parent = sub_e
# Position
put_bone(self.obj, sub, bone_e.head)
sub_e.length = bone_e.length / 4
if prev_bone is not None:
sub_e.use_connect = True
prev_bone = bone
#----------------------------
# Create reverse spine chain
# Create bones/parenting/positioning
bpy.ops.object.mode_set(mode='EDIT')
rev_bones = []
prev_bone = None
for b in zip(flex_bones, self.org_bones):
# Create bones
bone = copy_bone(self.obj, b[1], make_mechanism_name(strip_org(b[1]) + ".reverse"))
rev_bones += [bone]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
# Parenting
bone_e.use_connect = False
bone_e.parent = eb[b[0]]
# Position
flip_bone(self.obj, bone)
bone_e.tail = Vector(eb[b[0]].head)
#bone_e.head = Vector(eb[b[0]].tail)
if prev_bone is None:
put_bone(self.obj, bone, pivot_rest_pos)
else:
put_bone(self.obj, bone, eb[prev_bone].tail)
prev_bone = bone
# Constraints
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
prev_bone = None
for bone in rev_bones:
bone_p = pb[bone]
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
if prev_bone is None:
con.subtarget = main_control
else:
con.subtarget = prev_bone
con.head_tail = 1.0
prev_bone = bone
#----------------------------------------
# Constrain original bones to flex spine
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
for obone, fbone in zip(self.org_bones, flex_bones):
con = pb[obone].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = fbone
#---------------------------
# Create pivot slide system
pb = self.obj.pose.bones
bone_p = pb[self.org_bones[0]]
main_control_p = pb[main_control]
# Custom pivot_slide property
prop = rna_idprop_ui_prop_get(main_control_p, "pivot_slide", create=True)
main_control_p["pivot_slide"] = self.pivot_rest
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 1.0 / len(self.org_bones)
prop["soft_max"] = 1.0 - (1.0 / len(self.org_bones))
# Anchor constraints
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = rev_bones[0]
con = pb[main_wgt1].constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = rev_bones[0]
# Slide constraints
i = 1
tot = len(rev_bones)
for rb in rev_bones:
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "slide." + str(i)
con.target = self.obj
con.subtarget = rb
con.head_tail = 1.0
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "slide"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = main_control_p.path_from_id() + '["pivot_slide"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1 - i
mod.coefficients[1] = tot
# Main WGT
con = pb[main_wgt1].constraints.new('COPY_ROTATION')
con.name = "slide." + str(i)
con.target = self.obj
con.subtarget = rb
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "slide"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = main_control_p.path_from_id() + '["pivot_slide"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.5 - i
mod.coefficients[1] = tot
i += 1
#----------------------------------
# Constrain flex spine to controls
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Constrain the bones that correspond exactly to the controls
for i, name in zip(self.control_indices, subcontrols):
con = pb[flex_subs[i]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name
# Constrain the bones in-between the controls
for i, j, name1, name2 in zip(self.control_indices, self.control_indices[1:], subcontrols, subcontrols[1:]):
if (i + 1) < j:
for n in range(i + 1, j):
bone = pb[flex_subs[n]]
# Custom bend_alpha property
prop = rna_idprop_ui_prop_get(bone, "bend_alpha", create=True)
bone["bend_alpha"] = (n - i) / (j - i) # set bend alpha
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
con = bone.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name1
con = bone.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name2
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "alpha"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = bone.path_from_id() + '["bend_alpha"]'
#-------------
# Final stuff
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Control appearance
# Main
pb[main_control].custom_shape_transform = pb[main_wgt2]
w = create_compass_widget(self.obj, main_control)
if w != None:
obj_to_bone(w, self.obj, main_wgt2)
# Spines
for name, i in zip(controls[1:-1], self.control_indices[1:-1]):
pb[name].custom_shape_transform = pb[self.org_bones[i]]
# Create control widgets
w = create_circle_widget(self.obj, name, radius=1.0, head_tail=0.5, with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[i])
# Hips
pb[controls[0]].custom_shape_transform = pb[self.org_bones[0]]
# Create control widgets
w = create_circle_widget(self.obj, controls[0], radius=1.0, head_tail=0.5, with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[0])
# Ribs
pb[controls[-1]].custom_shape_transform = pb[self.org_bones[-1]]
# Create control widgets
w = create_circle_widget(self.obj, controls[-1], radius=1.0, head_tail=0.5, with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[-1])
# Layers
pb[main_control].bone.layers = pb[self.org_bones[0]].bone.layers
return [main_control] + controls
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')
make_rocker = False
if self.org_bones[5] is not None:
make_rocker = True
# Create the bones
thigh = copy_bone(
self.obj, self.org_bones[0],
make_mechanism_name(
strip_org(insert_before_lr(self.org_bones[0], "_ik"))))
shin = copy_bone(
self.obj, self.org_bones[1],
make_mechanism_name(
strip_org(insert_before_lr(self.org_bones[1], "_ik"))))
foot = copy_bone(self.obj, self.org_bones[2],
strip_org(insert_before_lr(self.org_bones[2], "_ik")))
foot_ik_target = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(
strip_org(insert_before_lr(self.org_bones[2], "_ik_target"))))
pole = copy_bone(
self.obj, self.org_bones[0],
strip_org(insert_before_lr(self.org_bones[0], "_pole")))
toe = copy_bone(self.obj, self.org_bones[3],
strip_org(self.org_bones[3]))
toe_parent = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".parent")))
toe_parent_socket1 = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".socket1")))
toe_parent_socket2 = copy_bone(
self.obj, self.org_bones[2],
make_mechanism_name(strip_org(self.org_bones[3] + ".socket2")))
foot_roll = copy_bone(
self.obj, self.org_bones[4],
strip_org(insert_before_lr(self.org_bones[2], "_roll")))
roll1 = copy_bone(
self.obj, self.org_bones[4],
make_mechanism_name(strip_org(self.org_bones[2] + ".roll.01")))
roll2 = copy_bone(
self.obj, self.org_bones[4],
make_mechanism_name(strip_org(self.org_bones[2] + ".roll.02")))
if make_rocker:
rocker1 = copy_bone(
self.obj, self.org_bones[5],
make_mechanism_name(strip_org(self.org_bones[2] +
".rocker.01")))
rocker2 = copy_bone(
self.obj, self.org_bones[5],
make_mechanism_name(strip_org(self.org_bones[2] +
".rocker.02")))
visfoot = copy_bone(
self.obj, self.org_bones[2],
"VIS-" + strip_org(insert_before_lr(self.org_bones[2], "_ik")))
vispole = copy_bone(
self.obj, self.org_bones[1],
"VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole")))
# Get edit bones
eb = self.obj.data.edit_bones
org_foot_e = eb[self.org_bones[2]]
thigh_e = eb[thigh]
shin_e = eb[shin]
foot_e = eb[foot]
foot_ik_target_e = eb[foot_ik_target]
pole_e = eb[pole]
toe_e = eb[toe]
toe_parent_e = eb[toe_parent]
toe_parent_socket1_e = eb[toe_parent_socket1]
toe_parent_socket2_e = eb[toe_parent_socket2]
foot_roll_e = eb[foot_roll]
roll1_e = eb[roll1]
roll2_e = eb[roll2]
if make_rocker:
rocker1_e = eb[rocker1]
rocker2_e = eb[rocker2]
visfoot_e = eb[visfoot]
vispole_e = eb[vispole]
# Parenting
shin_e.parent = thigh_e
foot_e.use_connect = False
foot_e.parent = None
foot_ik_target_e.use_connect = False
foot_ik_target_e.parent = roll2_e
pole_e.use_connect = False
pole_e.parent = foot_e
toe_e.parent = toe_parent_e
toe_parent_e.use_connect = False
toe_parent_e.parent = toe_parent_socket1_e
toe_parent_socket1_e.use_connect = False
toe_parent_socket1_e.parent = roll1_e
toe_parent_socket2_e.use_connect = False
toe_parent_socket2_e.parent = eb[self.org_bones[2]]
foot_roll_e.use_connect = False
foot_roll_e.parent = foot_e
roll1_e.use_connect = False
roll1_e.parent = foot_e
roll2_e.use_connect = False
roll2_e.parent = roll1_e
visfoot_e.use_connect = False
visfoot_e.parent = None
vispole_e.use_connect = False
vispole_e.parent = None
if make_rocker:
rocker1_e.use_connect = False
rocker2_e.use_connect = False
roll1_e.parent = rocker2_e
rocker2_e.parent = rocker1_e
rocker1_e.parent = foot_e
# Misc
foot_e.use_local_location = False
visfoot_e.hide_select = True
vispole_e.hide_select = True
# Positioning
vec = Vector(toe_e.vector)
vec.normalize()
foot_e.tail = foot_e.head + (vec * foot_e.length)
foot_e.roll = toe_e.roll
v1 = shin_e.tail - thigh_e.head
if 'X' in self.primary_rotation_axis or 'Y' in self.primary_rotation_axis:
v2 = v1.cross(shin_e.x_axis)
if (v2 * shin_e.z_axis) > 0.0:
v2 *= -1.0
else:
v2 = v1.cross(shin_e.z_axis)
if (v2 * shin_e.x_axis) < 0.0:
v2 *= -1.0
v2.normalize()
v2 *= v1.length
if '-' in self.primary_rotation_axis:
v2 *= -1
pole_e.head = shin_e.head + v2
pole_e.tail = pole_e.head + (Vector((0, 1, 0)) * (v1.length / 8))
pole_e.roll = 0.0
flip_bone(self.obj, toe_parent_socket1)
flip_bone(self.obj, toe_parent_socket2)
toe_parent_socket1_e.head = Vector(org_foot_e.tail)
toe_parent_socket2_e.head = Vector(org_foot_e.tail)
toe_parent_socket1_e.tail = Vector(org_foot_e.tail) + (Vector(
(0, 0, 1)) * foot_e.length / 2)
toe_parent_socket2_e.tail = Vector(org_foot_e.tail) + (Vector(
(0, 0, 1)) * foot_e.length / 3)
toe_parent_socket2_e.roll = toe_parent_socket1_e.roll
tail = Vector(roll1_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.head = tail
roll2_e.head = Vector(org_foot_e.tail)
foot_roll_e.head = Vector(org_foot_e.tail)
put_bone(self.obj, foot_roll, roll1_e.head)
foot_roll_e.length /= 2
roll_axis = roll1_e.vector.cross(org_foot_e.vector)
align_x_axis(self.obj, roll1, roll_axis)
align_x_axis(self.obj, roll2, roll_axis)
foot_roll_e.roll = roll2_e.roll
visfoot_e.tail = visfoot_e.head + Vector((0, 0, v1.length / 32))
vispole_e.tail = vispole_e.head + Vector((0, 0, v1.length / 32))
if make_rocker:
d = toe_e.y_axis.dot(rocker1_e.x_axis)
if d >= 0.0:
flip_bone(self.obj, rocker2)
else:
flip_bone(self.obj, rocker1)
# Weird alignment issues. Fix.
toe_parent_e.head = Vector(org_foot_e.head)
toe_parent_e.tail = Vector(org_foot_e.tail)
toe_parent_e.roll = org_foot_e.roll
foot_e.head = Vector(org_foot_e.head)
foot_ik_target_e.head = Vector(org_foot_e.head)
foot_ik_target_e.tail = Vector(org_foot_e.tail)
# Determine the pole offset value
plane = (shin_e.tail - thigh_e.head).normalized()
vec1 = thigh_e.x_axis.normalized()
vec2 = (pole_e.head - thigh_e.head).normalized()
pole_offset = angle_on_plane(plane, vec1, vec2)
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# thigh_p = pb[thigh] # UNUSED
shin_p = pb[shin]
foot_p = pb[foot]
pole_p = pb[pole]
foot_roll_p = pb[foot_roll]
roll1_p = pb[roll1]
roll2_p = pb[roll2]
if make_rocker:
rocker1_p = pb[rocker1]
rocker2_p = pb[rocker2]
toe_p = pb[toe]
toe_parent_p = pb[toe_parent]
toe_parent_socket1_p = pb[toe_parent_socket1]
visfoot_p = pb[visfoot]
vispole_p = pb[vispole]
# Set the knee to only bend on the primary axis.
if 'X' in self.primary_rotation_axis:
shin_p.lock_ik_y = True
shin_p.lock_ik_z = True
elif 'Y' in self.primary_rotation_axis:
shin_p.lock_ik_x = True
shin_p.lock_ik_z = True
else:
shin_p.lock_ik_x = True
shin_p.lock_ik_y = True
# Foot roll control only rotates on x-axis, or x and y if rocker.
foot_roll_p.rotation_mode = 'XYZ'
if make_rocker:
foot_roll_p.lock_rotation = False, False, True
else:
foot_roll_p.lock_rotation = False, True, True
foot_roll_p.lock_location = True, True, True
foot_roll_p.lock_scale = True, True, True
# roll and rocker bones set to euler rotation
roll1_p.rotation_mode = 'XYZ'
roll2_p.rotation_mode = 'XYZ'
if make_rocker:
rocker1_p.rotation_mode = 'XYZ'
rocker2_p.rotation_mode = 'XYZ'
# Pole target only translates
pole_p.lock_location = False, False, False
pole_p.lock_rotation = True, True, True
pole_p.lock_rotation_w = True
pole_p.lock_scale = True, True, True
# Set up custom properties
if self.switch == True:
prop = rna_idprop_ui_prop_get(foot_p, "ikfk_switch", create=True)
foot_p["ikfk_switch"] = 0.0
prop["soft_min"] = prop["min"] = 0.0
prop["soft_max"] = prop["max"] = 1.0
# Bend direction hint
if self.bend_hint:
con = shin_p.constraints.new('LIMIT_ROTATION')
con.name = "bend_hint"
con.owner_space = 'LOCAL'
if self.primary_rotation_axis == 'X':
con.use_limit_x = True
con.min_x = pi / 10
con.max_x = pi / 10
elif self.primary_rotation_axis == '-X':
con.use_limit_x = True
con.min_x = -pi / 10
con.max_x = -pi / 10
elif self.primary_rotation_axis == 'Y':
con.use_limit_y = True
con.min_y = pi / 10
con.max_y = pi / 10
elif self.primary_rotation_axis == '-Y':
con.use_limit_y = True
con.min_y = -pi / 10
con.max_y = -pi / 10
elif self.primary_rotation_axis == 'Z':
con.use_limit_z = True
con.min_z = pi / 10
con.max_z = pi / 10
elif self.primary_rotation_axis == '-Z':
con.use_limit_z = True
con.min_z = -pi / 10
con.max_z = -pi / 10
# IK Constraint
con = shin_p.constraints.new('IK')
con.name = "ik"
con.target = self.obj
con.subtarget = foot_ik_target
con.pole_target = self.obj
con.pole_subtarget = pole
con.pole_angle = pole_offset
con.chain_count = 2
# toe_parent constraint
con = toe_parent_socket1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new(
'COPY_TRANSFORMS') # drive with IK switch
con.name = "fk"
con.target = self.obj
con.subtarget = toe_parent_socket2
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
# Foot roll drivers
fcurve = roll1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "min(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[0]'
fcurve = roll2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[0]'
if make_rocker:
fcurve = rocker1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,-var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[1]'
fcurve = rocker2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id(
) + '.rotation_euler[1]'
# Constrain org bones to controls
con = pb[self.org_bones[0]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = thigh
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id(
) + '["ikfk_switch"]'
con = pb[self.org_bones[1]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = shin
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id(
) + '["ikfk_switch"]'
con = pb[self.org_bones[2]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = foot_ik_target
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id(
) + '["ikfk_switch"]'
con = pb[self.org_bones[3]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = toe
# VIS foot constraints
con = visfoot_p.constraints.new('COPY_LOCATION')
con.name = "copy_loc"
con.target = self.obj
con.subtarget = self.org_bones[2]
con = visfoot_p.constraints.new('STRETCH_TO')
con.name = "stretch_to"
con.target = self.obj
con.subtarget = foot
con.volume = 'NO_VOLUME'
con.rest_length = visfoot_p.length
# VIS pole constraints
con = vispole_p.constraints.new('COPY_LOCATION')
con.name = "copy_loc"
con.target = self.obj
con.subtarget = self.org_bones[1]
con = vispole_p.constraints.new('STRETCH_TO')
con.name = "stretch_to"
con.target = self.obj
con.subtarget = pole
con.volume = 'NO_VOLUME'
con.rest_length = vispole_p.length
# Set layers if specified
if self.layers:
foot_p.bone.layers = self.layers
pole_p.bone.layers = self.layers
foot_roll_p.bone.layers = self.layers
visfoot_p.bone.layers = self.layers
vispole_p.bone.layers = self.layers
toe_p.bone.layers = [
(i[0] or i[1]) for i in zip(toe_p.bone.layers, self.layers)
] # Both FK and IK layers
# Create widgets
create_line_widget(self.obj, vispole)
create_line_widget(self.obj, visfoot)
create_sphere_widget(self.obj, pole)
create_circle_widget(self.obj, toe, radius=0.7, head_tail=0.5)
ob = create_widget(self.obj, foot)
if ob != None:
verts = [(0.7, 1.5, 0.0), (0.7, -0.25, 0.0), (-0.7, -0.25, 0.0),
(-0.7, 1.5, 0.0), (0.7, 0.723, 0.0), (-0.7, 0.723, 0.0),
(0.7, 0.0, 0.0), (-0.7, 0.0, 0.0)]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (4, 6), (1, 6), (5, 7),
(2, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
ob = create_widget(self.obj, foot_roll)
if ob != None:
verts = [
(0.3999999761581421, 0.766044557094574, 0.6427875757217407),
(0.17668449878692627, 3.823702598992895e-08,
3.2084670920085046e-08),
(-0.17668461799621582, 9.874240447516058e-08,
8.285470443070153e-08),
(-0.39999961853027344, 0.7660449147224426, 0.6427879333496094),
(0.3562471270561218, 0.6159579753875732, 0.5168500542640686),
(-0.35624682903289795, 0.6159582138061523, 0.5168502926826477),
(0.20492683351039886, 0.09688037633895874, 0.0812922865152359),
(-0.20492687821388245, 0.0968804731965065, 0.08129236847162247)
]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (1, 6), (4, 6), (2, 7),
(5, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
return [thigh, shin, foot, pole, foot_roll, foot_ik_target]
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')
# Create upper arm bones
if self.use_thigh_twist:
thigh1 = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0] + ".01")))
thigh2 = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0] + ".02")))
utip = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(self.org_bones[0] + ".tip")))
else:
thigh = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0])))
# Create forearm bones
if self.use_shin_twist:
shin1 = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1] + ".01")))
shin2 = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1] + ".02")))
stip = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(self.org_bones[1] + ".tip")))
else:
shin = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1])))
# Create foot bone
foot = copy_bone(self.obj, self.org_bones[2], make_deformer_name(strip_org(self.org_bones[2])))
# Create toe bone
toe = copy_bone(self.obj, self.org_bones[3], make_deformer_name(strip_org(self.org_bones[3])))
# Get edit bones
eb = self.obj.data.edit_bones
org_thigh_e = eb[self.org_bones[0]]
if self.use_thigh_twist:
thigh1_e = eb[thigh1]
thigh2_e = eb[thigh2]
utip_e = eb[utip]
else:
thigh_e = eb[thigh]
org_shin_e = eb[self.org_bones[1]]
if self.use_shin_twist:
shin1_e = eb[shin1]
shin2_e = eb[shin2]
stip_e = eb[stip]
else:
shin_e = eb[shin]
org_foot_e = eb[self.org_bones[2]]
foot_e = eb[foot]
org_toe_e = eb[self.org_bones[3]]
toe_e = eb[toe]
# Parent and position thigh bones
if self.use_thigh_twist:
thigh1_e.use_connect = False
thigh2_e.use_connect = False
utip_e.use_connect = False
thigh1_e.parent = org_thigh_e.parent
thigh2_e.parent = org_thigh_e
utip_e.parent = org_thigh_e
center = Vector((org_thigh_e.head + org_thigh_e.tail) / 2)
thigh1_e.tail = center
thigh2_e.head = center
put_bone(self.obj, utip, org_thigh_e.tail)
utip_e.length = org_thigh_e.length / 8
else:
thigh_e.use_connect = False
thigh_e.parent = org_thigh_e
# Parent and position shin bones
if self.use_shin_twist:
shin1_e.use_connect = False
shin2_e.use_connect = False
stip_e.use_connect = False
shin1_e.parent = org_shin_e
shin2_e.parent = org_shin_e
stip_e.parent = org_shin_e
center = Vector((org_shin_e.head + org_shin_e.tail) / 2)
shin1_e.tail = center
shin2_e.head = center
put_bone(self.obj, stip, org_shin_e.tail)
stip_e.length = org_shin_e.length / 8
# Align roll of shin2 with foot
align_roll(self.obj, shin2, foot)
else:
shin_e.use_connect = False
shin_e.parent = org_shin_e
# Parent foot
foot_e.use_connect = False
foot_e.parent = org_foot_e
# Parent toe
toe_e.use_connect = False
toe_e.parent = org_toe_e
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
if self.use_thigh_twist:
thigh1_p = pb[thigh1]
if self.use_shin_twist:
shin2_p = pb[shin2]
# foot_p = pb[foot] # UNUSED
# Thigh constraints
if self.use_thigh_twist:
con = thigh1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = thigh1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = thigh1_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = utip
# Shin constraints
if self.use_shin_twist:
con = shin2_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = foot
con = shin2_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = stip
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')
make_rocker = False
if self.org_bones[5] is not None:
make_rocker = True
# Create the bones
thigh = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[0], "_ik"))))
shin = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[1], "_ik"))))
foot = copy_bone(self.obj, self.org_bones[2], strip_org(insert_before_lr(self.org_bones[2], "_ik")))
foot_ik_target = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(insert_before_lr(self.org_bones[2], "_ik_target"))))
pole = copy_bone(self.obj, self.org_bones[0], strip_org(insert_before_lr(self.org_bones[0], "_pole")))
toe = copy_bone(self.obj, self.org_bones[3], strip_org(self.org_bones[3]))
toe_parent = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".parent")))
toe_parent_socket1 = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".socket1")))
toe_parent_socket2 = copy_bone(self.obj, self.org_bones[2], make_mechanism_name(strip_org(self.org_bones[3] + ".socket2")))
foot_roll = copy_bone(self.obj, self.org_bones[4], strip_org(insert_before_lr(self.org_bones[2], "_roll")))
roll1 = copy_bone(self.obj, self.org_bones[4], make_mechanism_name(strip_org(self.org_bones[2] + ".roll.01")))
roll2 = copy_bone(self.obj, self.org_bones[4], make_mechanism_name(strip_org(self.org_bones[2] + ".roll.02")))
if make_rocker:
rocker1 = copy_bone(self.obj, self.org_bones[5], make_mechanism_name(strip_org(self.org_bones[2] + ".rocker.01")))
rocker2 = copy_bone(self.obj, self.org_bones[5], make_mechanism_name(strip_org(self.org_bones[2] + ".rocker.02")))
visfoot = copy_bone(self.obj, self.org_bones[2], "VIS-" + strip_org(insert_before_lr(self.org_bones[2], "_ik")))
vispole = copy_bone(self.obj, self.org_bones[1], "VIS-" + strip_org(insert_before_lr(self.org_bones[0], "_pole")))
# Get edit bones
eb = self.obj.data.edit_bones
org_foot_e = eb[self.org_bones[2]]
thigh_e = eb[thigh]
shin_e = eb[shin]
foot_e = eb[foot]
foot_ik_target_e = eb[foot_ik_target]
pole_e = eb[pole]
toe_e = eb[toe]
toe_parent_e = eb[toe_parent]
toe_parent_socket1_e = eb[toe_parent_socket1]
toe_parent_socket2_e = eb[toe_parent_socket2]
foot_roll_e = eb[foot_roll]
roll1_e = eb[roll1]
roll2_e = eb[roll2]
if make_rocker:
rocker1_e = eb[rocker1]
rocker2_e = eb[rocker2]
visfoot_e = eb[visfoot]
vispole_e = eb[vispole]
# Parenting
shin_e.parent = thigh_e
foot_e.use_connect = False
foot_e.parent = None
foot_ik_target_e.use_connect = False
foot_ik_target_e.parent = roll2_e
pole_e.use_connect = False
pole_e.parent = foot_e
toe_e.parent = toe_parent_e
toe_parent_e.use_connect = False
toe_parent_e.parent = toe_parent_socket1_e
toe_parent_socket1_e.use_connect = False
toe_parent_socket1_e.parent = roll1_e
toe_parent_socket2_e.use_connect = False
toe_parent_socket2_e.parent = eb[self.org_bones[2]]
foot_roll_e.use_connect = False
foot_roll_e.parent = foot_e
roll1_e.use_connect = False
roll1_e.parent = foot_e
roll2_e.use_connect = False
roll2_e.parent = roll1_e
visfoot_e.use_connect = False
visfoot_e.parent = None
vispole_e.use_connect = False
vispole_e.parent = None
if make_rocker:
rocker1_e.use_connect = False
rocker2_e.use_connect = False
roll1_e.parent = rocker2_e
rocker2_e.parent = rocker1_e
rocker1_e.parent = foot_e
# Misc
foot_e.use_local_location = False
visfoot_e.hide_select = True
vispole_e.hide_select = True
# Positioning
vec = Vector(toe_e.vector)
vec.normalize()
foot_e.tail = foot_e.head + (vec * foot_e.length)
foot_e.roll = toe_e.roll
v1 = shin_e.tail - thigh_e.head
if 'X' in self.primary_rotation_axis or 'Y' in self.primary_rotation_axis:
v2 = v1.cross(shin_e.x_axis)
if (v2 * shin_e.z_axis) > 0.0:
v2 *= -1.0
else:
v2 = v1.cross(shin_e.z_axis)
if (v2 * shin_e.x_axis) < 0.0:
v2 *= -1.0
v2.normalize()
v2 *= v1.length
if '-' in self.primary_rotation_axis:
v2 *= -1
pole_e.head = shin_e.head + v2
pole_e.tail = pole_e.head + (Vector((0, 1, 0)) * (v1.length / 8))
pole_e.roll = 0.0
flip_bone(self.obj, toe_parent_socket1)
flip_bone(self.obj, toe_parent_socket2)
toe_parent_socket1_e.head = Vector(org_foot_e.tail)
toe_parent_socket2_e.head = Vector(org_foot_e.tail)
toe_parent_socket1_e.tail = Vector(org_foot_e.tail) + (Vector((0, 0, 1)) * foot_e.length / 2)
toe_parent_socket2_e.tail = Vector(org_foot_e.tail) + (Vector((0, 0, 1)) * foot_e.length / 3)
toe_parent_socket2_e.roll = toe_parent_socket1_e.roll
tail = Vector(roll1_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.tail = Vector(org_foot_e.tail)
roll1_e.head = tail
roll2_e.head = Vector(org_foot_e.tail)
foot_roll_e.head = Vector(org_foot_e.tail)
put_bone(self.obj, foot_roll, roll1_e.head)
foot_roll_e.length /= 2
roll_axis = roll1_e.vector.cross(org_foot_e.vector)
align_x_axis(self.obj, roll1, roll_axis)
align_x_axis(self.obj, roll2, roll_axis)
foot_roll_e.roll = roll2_e.roll
visfoot_e.tail = visfoot_e.head + Vector((0, 0, v1.length / 32))
vispole_e.tail = vispole_e.head + Vector((0, 0, v1.length / 32))
if make_rocker:
d = toe_e.y_axis.dot(rocker1_e.x_axis)
if d >= 0.0:
flip_bone(self.obj, rocker2)
else:
flip_bone(self.obj, rocker1)
# Weird alignment issues. Fix.
toe_parent_e.head = Vector(org_foot_e.head)
toe_parent_e.tail = Vector(org_foot_e.tail)
toe_parent_e.roll = org_foot_e.roll
foot_e.head = Vector(org_foot_e.head)
foot_ik_target_e.head = Vector(org_foot_e.head)
foot_ik_target_e.tail = Vector(org_foot_e.tail)
# Determine the pole offset value
plane = (shin_e.tail - thigh_e.head).normalized()
vec1 = thigh_e.x_axis.normalized()
vec2 = (pole_e.head - thigh_e.head).normalized()
pole_offset = angle_on_plane(plane, vec1, vec2)
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# thigh_p = pb[thigh] # UNUSED
shin_p = pb[shin]
foot_p = pb[foot]
pole_p = pb[pole]
foot_roll_p = pb[foot_roll]
roll1_p = pb[roll1]
roll2_p = pb[roll2]
if make_rocker:
rocker1_p = pb[rocker1]
rocker2_p = pb[rocker2]
toe_p = pb[toe]
toe_parent_p = pb[toe_parent]
toe_parent_socket1_p = pb[toe_parent_socket1]
visfoot_p = pb[visfoot]
vispole_p = pb[vispole]
# Set the knee to only bend on the primary axis.
if 'X' in self.primary_rotation_axis:
shin_p.lock_ik_y = True
shin_p.lock_ik_z = True
elif 'Y' in self.primary_rotation_axis:
shin_p.lock_ik_x = True
shin_p.lock_ik_z = True
else:
shin_p.lock_ik_x = True
shin_p.lock_ik_y = True
# Foot roll control only rotates on x-axis, or x and y if rocker.
foot_roll_p.rotation_mode = 'XYZ'
if make_rocker:
foot_roll_p.lock_rotation = False, False, True
else:
foot_roll_p.lock_rotation = False, True, True
foot_roll_p.lock_location = True, True, True
foot_roll_p.lock_scale = True, True, True
# roll and rocker bones set to euler rotation
roll1_p.rotation_mode = 'XYZ'
roll2_p.rotation_mode = 'XYZ'
if make_rocker:
rocker1_p.rotation_mode = 'XYZ'
rocker2_p.rotation_mode = 'XYZ'
# Pole target only translates
pole_p.lock_location = False, False, False
pole_p.lock_rotation = True, True, True
pole_p.lock_rotation_w = True
pole_p.lock_scale = True, True, True
# Set up custom properties
if self.switch == True:
prop = rna_idprop_ui_prop_get(foot_p, "ikfk_switch", create=True)
foot_p["ikfk_switch"] = 0.0
prop["soft_min"] = prop["min"] = 0.0
prop["soft_max"] = prop["max"] = 1.0
# Bend direction hint
if self.bend_hint:
con = shin_p.constraints.new('LIMIT_ROTATION')
con.name = "bend_hint"
con.owner_space = 'LOCAL'
if self.primary_rotation_axis == 'X':
con.use_limit_x = True
con.min_x = pi / 10
con.max_x = pi / 10
elif self.primary_rotation_axis == '-X':
con.use_limit_x = True
con.min_x = -pi / 10
con.max_x = -pi / 10
elif self.primary_rotation_axis == 'Y':
con.use_limit_y = True
con.min_y = pi / 10
con.max_y = pi / 10
elif self.primary_rotation_axis == '-Y':
con.use_limit_y = True
con.min_y = -pi / 10
con.max_y = -pi / 10
elif self.primary_rotation_axis == 'Z':
con.use_limit_z = True
con.min_z = pi / 10
con.max_z = pi / 10
elif self.primary_rotation_axis == '-Z':
con.use_limit_z = True
con.min_z = -pi / 10
con.max_z = -pi / 10
# IK Constraint
con = shin_p.constraints.new('IK')
con.name = "ik"
con.target = self.obj
con.subtarget = foot_ik_target
con.pole_target = self.obj
con.pole_subtarget = pole
con.pole_angle = pole_offset
con.chain_count = 2
# toe_parent constraint
con = toe_parent_socket1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = toe_parent_socket2
con = toe_parent_socket1_p.constraints.new('COPY_TRANSFORMS') # drive with IK switch
con.name = "fk"
con.target = self.obj
con.subtarget = toe_parent_socket2
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
# Foot roll drivers
fcurve = roll1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "min(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id() + '.rotation_euler[0]'
fcurve = roll2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id() + '.rotation_euler[0]'
if make_rocker:
fcurve = rocker1_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,-var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id() + '.rotation_euler[1]'
fcurve = rocker2_p.driver_add("rotation_euler", 0)
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'SCRIPTED'
driver.expression = "max(0,var)"
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_roll_p.path_from_id() + '.rotation_euler[1]'
# Constrain org bones to controls
con = pb[self.org_bones[0]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = thigh
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
con = pb[self.org_bones[1]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = shin
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
con = pb[self.org_bones[2]].constraints.new('COPY_TRANSFORMS')
con.name = "ik"
con.target = self.obj
con.subtarget = foot_ik_target
if self.switch == True:
# IK/FK switch driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "var"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = foot_p.path_from_id() + '["ikfk_switch"]'
con = pb[self.org_bones[3]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = toe
# VIS foot constraints
con = visfoot_p.constraints.new('COPY_LOCATION')
con.name = "copy_loc"
con.target = self.obj
con.subtarget = self.org_bones[2]
con = visfoot_p.constraints.new('STRETCH_TO')
con.name = "stretch_to"
con.target = self.obj
con.subtarget = foot
con.volume = 'NO_VOLUME'
con.rest_length = visfoot_p.length
# VIS pole constraints
con = vispole_p.constraints.new('COPY_LOCATION')
con.name = "copy_loc"
con.target = self.obj
con.subtarget = self.org_bones[1]
con = vispole_p.constraints.new('STRETCH_TO')
con.name = "stretch_to"
con.target = self.obj
con.subtarget = pole
con.volume = 'NO_VOLUME'
con.rest_length = vispole_p.length
# Set layers if specified
if self.layers:
foot_p.bone.layers = self.layers
pole_p.bone.layers = self.layers
foot_roll_p.bone.layers = self.layers
visfoot_p.bone.layers = self.layers
vispole_p.bone.layers = self.layers
toe_p.bone.layers = [(i[0] or i[1]) for i in zip(toe_p.bone.layers, self.layers)] # Both FK and IK layers
# Create widgets
create_line_widget(self.obj, vispole)
create_line_widget(self.obj, visfoot)
create_sphere_widget(self.obj, pole)
create_circle_widget(self.obj, toe, radius=0.7, head_tail=0.5)
ob = create_widget(self.obj, foot)
if ob != None:
verts = [(0.7, 1.5, 0.0), (0.7, -0.25, 0.0), (-0.7, -0.25, 0.0), (-0.7, 1.5, 0.0), (0.7, 0.723, 0.0), (-0.7, 0.723, 0.0), (0.7, 0.0, 0.0), (-0.7, 0.0, 0.0)]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (4, 6), (1, 6), (5, 7), (2, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
ob = create_widget(self.obj, foot_roll)
if ob != None:
verts = [(0.3999999761581421, 0.766044557094574, 0.6427875757217407), (0.17668449878692627, 3.823702598992895e-08, 3.2084670920085046e-08), (-0.17668461799621582, 9.874240447516058e-08, 8.285470443070153e-08), (-0.39999961853027344, 0.7660449147224426, 0.6427879333496094), (0.3562471270561218, 0.6159579753875732, 0.5168500542640686), (-0.35624682903289795, 0.6159582138061523, 0.5168502926826477), (0.20492683351039886, 0.09688037633895874, 0.0812922865152359), (-0.20492687821388245, 0.0968804731965065, 0.08129236847162247)]
edges = [(1, 2), (0, 3), (0, 4), (3, 5), (1, 6), (4, 6), (2, 7), (5, 7)]
mesh = ob.data
mesh.from_pydata(verts, edges, [])
mesh.update()
mod = ob.modifiers.new("subsurf", 'SUBSURF')
mod.levels = 2
return [thigh, shin, foot, pole, foot_roll, foot_ik_target]
def create_controls(self):
bpy.ops.object.mode_set(mode='EDIT')
edit_bones = self.obj.data.edit_bones
self.bones['eye_ctrl'] = dict()
if self.orientation_bone == self.base_bone:
axis = Vector((0, 0, 1))
else:
axis = edit_bones[self.orientation_bone].y_axis
eye_ctrl_name = "master_" + strip_org(self.bones['org'][0])
eye_ctrl = copy_bone(self.obj, self.bones['org'][0], eye_ctrl_name)
self.bones['eye_ctrl']['master_eye'] = eye_ctrl
if self.params.make_control:
eye_hook_name = strip_org(self.bones['org'][0]) + "_hook"
eye_hook = copy_bone(self.obj, self.bones['org'][0], eye_hook_name)
self.bones['eye_ctrl']['eye_hook'] = eye_hook
eye_target_name = strip_org(self.bones['org'][0])
eye_target = copy_bone(self.obj, self.orientation_bone,
eye_target_name)
self.bones['eye_ctrl']['eye_target'] = eye_target
position = edit_bones[eye_ctrl].tail + 5 * edit_bones[
eye_ctrl].length * edit_bones[eye_ctrl].y_axis
put_bone(self.obj, eye_target, position)
edit_bones[eye_target].length = 0.5 * edit_bones[self.base_bone].length
align_bone_y_axis(self.obj, eye_target, Vector((0, 0, 1)))
align_bone_z_axis(self.obj, eye_target,
edit_bones[self.base_bone].y_axis)
# make standard controls
super().create_controls()
# add extra lid ctrls
top_chain = strip_org(self.lid_bones['top'][0])
bottom_chain = strip_org(self.lid_bones['bottom'][0])
if self.lid_len % 2 != 0:
mid_index = int((self.lid_len + 1) / 2)
top_lid_master = copy_bone(self.obj,
self.bones['ctrl'][top_chain][0])
# edit_bones[top_lid_master].length *= 1.5
self.bones['eye_ctrl']['top_lid_master'] = top_lid_master
mid_bone_1 = edit_bones[self.bones['ctrl'][top_chain][mid_index -
1]]
mid_bone_2 = edit_bones[self.bones['ctrl'][top_chain][mid_index]]
put_bone(self.obj, top_lid_master,
(mid_bone_1.head + mid_bone_2.head) / 2)
align_bone_y_axis(self.obj, top_lid_master, axis)
bottom_lid_master = copy_bone(self.obj,
self.bones['ctrl'][bottom_chain][0])
# edit_bones[bottom_lid_master].length *= 1.5
self.bones['eye_ctrl']['bottom_lid_master'] = bottom_lid_master
mid_bone_1 = edit_bones[self.bones['ctrl'][bottom_chain][mid_index
- 1]]
mid_bone_2 = edit_bones[self.bones['ctrl'][bottom_chain]
[mid_index]]
put_bone(self.obj, bottom_lid_master,
(mid_bone_1.head + mid_bone_2.head) / 2)
align_bone_y_axis(self.obj, bottom_lid_master, axis)
else:
mid_index = int((self.lid_len) / 2)
top_lid_master = self.bones['ctrl'][top_chain][mid_index]
bottom_lid_master = self.bones['ctrl'][bottom_chain][mid_index]
# edit_bones[top_lid_master].length *= 1.5
# edit_bones[bottom_lid_master].length *= 1.5
self.bones['eye_ctrl']['top_lid_master'] = top_lid_master
self.bones['eye_ctrl']['bottom_lid_master'] = bottom_lid_master
# create eyes master if eye has company
create_common_ctrl = False
if self.paired_eye and strip_org(self.paired_eye) in edit_bones:
other_eye = strip_org(self.paired_eye)
position = (edit_bones[eye_target].head +
edit_bones[other_eye].head) / 2
y_direction = edit_bones[eye_target].y_axis
z_direction = edit_bones[eye_target].z_axis + edit_bones[
other_eye].z_axis
create_common_ctrl = True
elif self.is_clustered():
[position, y_direction, z_direction] = self.get_cluster_data()
if position and y_direction:
create_common_ctrl = True
if create_common_ctrl:
common_ctrl = self.get_common_name() + '_common'
common_ctrl = copy_bone(self.obj, eye_target, common_ctrl)
self.bones['eye_ctrl']['common'] = common_ctrl
put_bone(self.obj, common_ctrl, position)
align_bone_y_axis(self.obj, common_ctrl, y_direction)
align_bone_z_axis(self.obj, common_ctrl, z_direction)
for ctrl in self.bones['ctrl'][top_chain]:
align_bone_y_axis(self.obj, ctrl, axis)
for ctrl in self.bones['ctrl'][bottom_chain]:
align_bone_y_axis(self.obj, ctrl, axis)
def gen_control(self):
""" Generate the control rig.
"""
bpy.ops.object.mode_set(mode='EDIT')
eb = self.obj.data.edit_bones
#-------------------------
# Get rest slide position
a = self.pivot_rest * len(self.org_bones)
i = floor(a)
a -= i
if i == len(self.org_bones):
i -= 1
a = 1.0
pivot_rest_pos = eb[self.org_bones[i]].head.copy()
pivot_rest_pos += eb[self.org_bones[i]].vector * a
#----------------------
# Create controls
# Create control bones
controls = []
for i in self.control_indices:
name = copy_bone(self.obj, self.org_bones[i],
strip_org(self.org_bones[i]))
controls += [name]
# Create control parents
control_parents = []
for i in self.control_indices[1:-1]:
name = new_bone(
self.obj,
make_mechanism_name("par_" + strip_org(self.org_bones[i])))
control_parents += [name]
# Create sub-control bones
subcontrols = []
for i in self.control_indices:
name = new_bone(
self.obj,
make_mechanism_name("sub_" + strip_org(self.org_bones[i])))
subcontrols += [name]
# Create main control bone
main_control = new_bone(self.obj, self.params.spine_main_control_name)
# Create main control WGT bones
main_wgt1 = new_bone(
self.obj,
make_mechanism_name(self.params.spine_main_control_name + ".01"))
main_wgt2 = new_bone(
self.obj,
make_mechanism_name(self.params.spine_main_control_name + ".02"))
eb = self.obj.data.edit_bones
# Parent the main control
eb[main_control].use_connect = False
eb[main_control].parent = eb[self.org_bones[0]].parent
# Parent the main WGTs
eb[main_wgt1].use_connect = False
eb[main_wgt1].parent = eb[main_control]
eb[main_wgt2].use_connect = False
eb[main_wgt2].parent = eb[main_wgt1]
# Parent the controls and sub-controls
for name, subname in zip(controls, subcontrols):
eb[name].use_connect = False
eb[name].parent = eb[main_control]
eb[subname].use_connect = False
eb[subname].parent = eb[name]
# Parent the control parents
for name, par_name in zip(controls[1:-1], control_parents):
eb[par_name].use_connect = False
eb[par_name].parent = eb[main_control]
eb[name].parent = eb[par_name]
# Position the main bone
put_bone(self.obj, main_control, pivot_rest_pos)
eb[main_control].length = sum([eb[b].length
for b in self.org_bones]) / 2
# Position the main WGTs
eb[main_wgt1].tail = (0.0, 0.0,
sum([eb[b].length for b in self.org_bones]) / 4)
eb[main_wgt2].length = sum([eb[b].length for b in self.org_bones]) / 4
put_bone(self.obj, main_wgt1, pivot_rest_pos)
put_bone(self.obj, main_wgt2, pivot_rest_pos)
# Position the controls and sub-controls
pos = eb[controls[0]].head.copy()
for name, subname in zip(controls, subcontrols):
put_bone(self.obj, name, pivot_rest_pos)
put_bone(self.obj, subname, pivot_rest_pos)
eb[subname].length = eb[name].length / 3
# Position the control parents
for name, par_name in zip(controls[1:-1], control_parents):
put_bone(self.obj, par_name, pivot_rest_pos)
eb[par_name].length = eb[name].length / 2
#-----------------------------------------
# Control bone constraints and properties
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Lock control locations
for name in controls:
bone = pb[name]
bone.lock_location = True, True, True
# Main control doesn't use local location
pb[main_control].bone.use_local_location = False
# Intermediate controls follow hips and spine
for name, par_name, i in zip(controls[1:-1], control_parents,
self.control_indices[1:-1]):
bone = pb[par_name]
# Custom bend_alpha property
prop = rna_idprop_ui_prop_get(pb[name], "bend_alpha", create=True)
pb[name]["bend_alpha"] = i / (len(self.org_bones) - 1
) # set bend alpha
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Custom auto_rotate
prop = rna_idprop_ui_prop_get(pb[name], "auto_rotate", create=True)
pb[name]["auto_rotate"] = 1.0
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Constraints
con1 = bone.constraints.new('COPY_TRANSFORMS')
con1.name = "copy_transforms"
con1.target = self.obj
con1.subtarget = subcontrols[0]
con2 = bone.constraints.new('COPY_TRANSFORMS')
con2.name = "copy_transforms"
con2.target = self.obj
con2.subtarget = subcontrols[-1]
# Drivers
fcurve = con1.driver_add("influence")
driver = fcurve.driver
driver.type = 'AVERAGE'
var = driver.variables.new()
var.name = "auto"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id(
) + '["auto_rotate"]'
fcurve = con2.driver_add("influence")
driver = fcurve.driver
driver.type = 'SCRIPTED'
driver.expression = "alpha * auto"
var = driver.variables.new()
var.name = "alpha"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id(
) + '["bend_alpha"]'
var = driver.variables.new()
var.name = "auto"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = pb[name].path_from_id(
) + '["auto_rotate"]'
#-------------------------
# Create flex spine chain
bpy.ops.object.mode_set(mode='EDIT')
flex_bones = []
flex_subs = []
prev_bone = None
for b in self.org_bones:
# Create bones
bone = copy_bone(self.obj, b,
make_mechanism_name(strip_org(b) + ".flex"))
sub = new_bone(self.obj,
make_mechanism_name(strip_org(b) + ".flex_s"))
flex_bones += [bone]
flex_subs += [sub]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
sub_e = eb[sub]
# Parenting
bone_e.use_connect = False
sub_e.use_connect = False
if prev_bone is None:
sub_e.parent = eb[controls[0]]
else:
sub_e.parent = eb[prev_bone]
bone_e.parent = sub_e
# Position
put_bone(self.obj, sub, bone_e.head)
sub_e.length = bone_e.length / 4
if prev_bone is not None:
sub_e.use_connect = True
prev_bone = bone
#----------------------------
# Create reverse spine chain
# Create bones/parenting/positioning
bpy.ops.object.mode_set(mode='EDIT')
rev_bones = []
prev_bone = None
for b in zip(flex_bones, self.org_bones):
# Create bones
bone = copy_bone(self.obj, b[1],
make_mechanism_name(strip_org(b[1]) + ".reverse"))
rev_bones += [bone]
eb = self.obj.data.edit_bones
bone_e = eb[bone]
# Parenting
bone_e.use_connect = False
bone_e.parent = eb[b[0]]
# Position
flip_bone(self.obj, bone)
bone_e.tail = Vector(eb[b[0]].head)
#bone_e.head = Vector(eb[b[0]].tail)
if prev_bone is None:
put_bone(self.obj, bone, pivot_rest_pos)
else:
put_bone(self.obj, bone, eb[prev_bone].tail)
prev_bone = bone
# Constraints
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
prev_bone = None
for bone in rev_bones:
bone_p = pb[bone]
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
if prev_bone is None:
con.subtarget = main_control
else:
con.subtarget = prev_bone
con.head_tail = 1.0
prev_bone = bone
#----------------------------------------
# Constrain original bones to flex spine
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
for obone, fbone in zip(self.org_bones, flex_bones):
con = pb[obone].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = fbone
#---------------------------
# Create pivot slide system
pb = self.obj.pose.bones
bone_p = pb[self.org_bones[0]]
main_control_p = pb[main_control]
# Custom pivot_slide property
prop = rna_idprop_ui_prop_get(main_control_p,
"pivot_slide",
create=True)
main_control_p["pivot_slide"] = self.pivot_rest
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 1.0 / len(self.org_bones)
prop["soft_max"] = 1.0 - (1.0 / len(self.org_bones))
# Anchor constraints
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = rev_bones[0]
con = pb[main_wgt1].constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = rev_bones[0]
# Slide constraints
i = 1
tot = len(rev_bones)
for rb in rev_bones:
con = bone_p.constraints.new('COPY_LOCATION')
con.name = "slide." + str(i)
con.target = self.obj
con.subtarget = rb
con.head_tail = 1.0
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "slide"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = main_control_p.path_from_id(
) + '["pivot_slide"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1 - i
mod.coefficients[1] = tot
# Main WGT
con = pb[main_wgt1].constraints.new('COPY_ROTATION')
con.name = "slide." + str(i)
con.target = self.obj
con.subtarget = rb
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "slide"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = main_control_p.path_from_id(
) + '["pivot_slide"]'
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.5 - i
mod.coefficients[1] = tot
i += 1
#----------------------------------
# Constrain flex spine to controls
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Constrain the bones that correspond exactly to the controls
for i, name in zip(self.control_indices, subcontrols):
con = pb[flex_subs[i]].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name
# Constrain the bones in-between the controls
for i, j, name1, name2 in zip(self.control_indices,
self.control_indices[1:], subcontrols,
subcontrols[1:]):
if (i + 1) < j:
for n in range(i + 1, j):
bone = pb[flex_subs[n]]
# Custom bend_alpha property
prop = rna_idprop_ui_prop_get(bone,
"bend_alpha",
create=True)
bone["bend_alpha"] = (n - i) / (j - i) # set bend alpha
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
con = bone.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name1
con = bone.constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = name2
# Driver
fcurve = con.driver_add("influence")
driver = fcurve.driver
var = driver.variables.new()
driver.type = 'AVERAGE'
var.name = "alpha"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = self.obj
var.targets[0].data_path = bone.path_from_id(
) + '["bend_alpha"]'
#-------------
# Final stuff
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
# Control appearance
# Main
pb[main_control].custom_shape_transform = pb[main_wgt2]
w = create_compass_widget(self.obj, main_control)
if w != None:
obj_to_bone(w, self.obj, main_wgt2)
# Spines
for name, i in zip(controls[1:-1], self.control_indices[1:-1]):
pb[name].custom_shape_transform = pb[self.org_bones[i]]
# Create control widgets
w = create_circle_widget(self.obj,
name,
radius=1.0,
head_tail=0.5,
with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[i])
# Hips
pb[controls[0]].custom_shape_transform = pb[self.org_bones[0]]
# Create control widgets
w = create_circle_widget(self.obj,
controls[0],
radius=1.0,
head_tail=0.5,
with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[0])
# Ribs
pb[controls[-1]].custom_shape_transform = pb[self.org_bones[-1]]
# Create control widgets
w = create_circle_widget(self.obj,
controls[-1],
radius=1.0,
head_tail=0.5,
with_line=True)
if w != None:
obj_to_bone(w, self.obj, self.org_bones[-1])
# Layers
pb[main_control].bone.layers = pb[self.org_bones[0]].bone.layers
return [main_control] + controls
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')
# Create upper arm bones
if self.use_upper_arm_twist:
uarm1 = copy_bone(
self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0] + ".01")))
uarm2 = copy_bone(
self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0] + ".02")))
utip = copy_bone(
self.obj, self.org_bones[0],
make_mechanism_name(strip_org(self.org_bones[0] + ".tip")))
else:
uarm = copy_bone(self.obj, self.org_bones[0],
make_deformer_name(strip_org(self.org_bones[0])))
# Create forearm bones
if self.use_forearm_twist:
farm1 = copy_bone(
self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1] + ".01")))
farm2 = copy_bone(
self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1] + ".02")))
ftip = copy_bone(
self.obj, self.org_bones[1],
make_mechanism_name(strip_org(self.org_bones[1] + ".tip")))
else:
farm = copy_bone(self.obj, self.org_bones[1],
make_deformer_name(strip_org(self.org_bones[1])))
# Create hand bone
hand = copy_bone(self.obj, self.org_bones[2],
make_deformer_name(strip_org(self.org_bones[2])))
# Get edit bones
eb = self.obj.data.edit_bones
org_uarm_e = eb[self.org_bones[0]]
if self.use_upper_arm_twist:
uarm1_e = eb[uarm1]
uarm2_e = eb[uarm2]
utip_e = eb[utip]
else:
uarm_e = eb[uarm]
org_farm_e = eb[self.org_bones[1]]
if self.use_forearm_twist:
farm1_e = eb[farm1]
farm2_e = eb[farm2]
ftip_e = eb[ftip]
else:
farm_e = eb[farm]
org_hand_e = eb[self.org_bones[2]]
hand_e = eb[hand]
# Parent and position upper arm bones
if self.use_upper_arm_twist:
uarm1_e.use_connect = False
uarm2_e.use_connect = False
utip_e.use_connect = False
uarm1_e.parent = org_uarm_e.parent
uarm2_e.parent = org_uarm_e
utip_e.parent = org_uarm_e
center = Vector((org_uarm_e.head + org_uarm_e.tail) / 2)
uarm1_e.tail = center
uarm2_e.head = center
put_bone(self.obj, utip, org_uarm_e.tail)
utip_e.length = org_uarm_e.length / 8
else:
uarm_e.use_connect = False
uarm_e.parent = org_uarm_e
# Parent and position forearm bones
if self.use_forearm_twist:
farm1_e.use_connect = False
farm2_e.use_connect = False
ftip_e.use_connect = False
farm1_e.parent = org_farm_e
farm2_e.parent = org_farm_e
ftip_e.parent = org_farm_e
center = Vector((org_farm_e.head + org_farm_e.tail) / 2)
farm1_e.tail = center
farm2_e.head = center
put_bone(self.obj, ftip, org_farm_e.tail)
ftip_e.length = org_farm_e.length / 8
# Align roll of farm2 with hand
align_roll(self.obj, farm2, hand)
else:
farm_e.use_connect = False
farm_e.parent = org_farm_e
# Parent hand
hand_e.use_connect = False
hand_e.parent = org_hand_e
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
if self.use_upper_arm_twist:
uarm1_p = pb[uarm1]
if self.use_forearm_twist:
farm2_p = pb[farm2]
# hand_p = pb[hand] # UNUSED
# Upper arm constraints
if self.use_upper_arm_twist:
con = uarm1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = uarm1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = uarm1_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = utip
# Forearm constraints
if self.use_forearm_twist:
con = farm2_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = hand
con = farm2_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = ftip
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')
# Create upper arm bones
if self.use_upper_arm_twist:
uarm1 = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0] + ".01")))
uarm2 = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0] + ".02")))
utip = copy_bone(self.obj, self.org_bones[0], make_mechanism_name(strip_org(self.org_bones[0] + ".tip")))
else:
uarm = copy_bone(self.obj, self.org_bones[0], make_deformer_name(strip_org(self.org_bones[0])))
# Create forearm bones
if self.use_forearm_twist:
farm1 = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1] + ".01")))
farm2 = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1] + ".02")))
ftip = copy_bone(self.obj, self.org_bones[1], make_mechanism_name(strip_org(self.org_bones[1] + ".tip")))
else:
farm = copy_bone(self.obj, self.org_bones[1], make_deformer_name(strip_org(self.org_bones[1])))
# Create hand bone
hand = copy_bone(self.obj, self.org_bones[2], make_deformer_name(strip_org(self.org_bones[2])))
# Get edit bones
eb = self.obj.data.edit_bones
org_uarm_e = eb[self.org_bones[0]]
if self.use_upper_arm_twist:
uarm1_e = eb[uarm1]
uarm2_e = eb[uarm2]
utip_e = eb[utip]
else:
uarm_e = eb[uarm]
org_farm_e = eb[self.org_bones[1]]
if self.use_forearm_twist:
farm1_e = eb[farm1]
farm2_e = eb[farm2]
ftip_e = eb[ftip]
else:
farm_e = eb[farm]
org_hand_e = eb[self.org_bones[2]]
hand_e = eb[hand]
# Parent and position upper arm bones
if self.use_upper_arm_twist:
uarm1_e.use_connect = False
uarm2_e.use_connect = False
utip_e.use_connect = False
uarm1_e.parent = org_uarm_e.parent
uarm2_e.parent = org_uarm_e
utip_e.parent = org_uarm_e
center = Vector((org_uarm_e.head + org_uarm_e.tail) / 2)
uarm1_e.tail = center
uarm2_e.head = center
put_bone(self.obj, utip, org_uarm_e.tail)
utip_e.length = org_uarm_e.length / 8
else:
uarm_e.use_connect = False
uarm_e.parent = org_uarm_e
# Parent and position forearm bones
if self.use_forearm_twist:
farm1_e.use_connect = False
farm2_e.use_connect = False
ftip_e.use_connect = False
farm1_e.parent = org_farm_e
farm2_e.parent = org_farm_e
ftip_e.parent = org_farm_e
center = Vector((org_farm_e.head + org_farm_e.tail) / 2)
farm1_e.tail = center
farm2_e.head = center
put_bone(self.obj, ftip, org_farm_e.tail)
ftip_e.length = org_farm_e.length / 8
# Align roll of farm2 with hand
align_roll(self.obj, farm2, hand)
else:
farm_e.use_connect = False
farm_e.parent = org_farm_e
# Parent hand
hand_e.use_connect = False
hand_e.parent = org_hand_e
# Object mode, get pose bones
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
if self.use_upper_arm_twist:
uarm1_p = pb[uarm1]
if self.use_forearm_twist:
farm2_p = pb[farm2]
# hand_p = pb[hand] # UNUSED
# Upper arm constraints
if self.use_upper_arm_twist:
con = uarm1_p.constraints.new('COPY_LOCATION')
con.name = "copy_location"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = uarm1_p.constraints.new('COPY_SCALE')
con.name = "copy_scale"
con.target = self.obj
con.subtarget = self.org_bones[0]
con = uarm1_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = utip
# Forearm constraints
if self.use_forearm_twist:
con = farm2_p.constraints.new('COPY_ROTATION')
con.name = "copy_rotation"
con.target = self.obj
con.subtarget = hand
con = farm2_p.constraints.new('DAMPED_TRACK')
con.name = "track_to"
con.target = self.obj
con.subtarget = ftip
def create_chain(self):
org_bones = self.org_bones
bpy.ops.object.mode_set(mode='EDIT')
eb = self.obj.data.edit_bones
twk, mch, mch_ctrl, ctrl = [], [], [], []
suffix = ''
if '.L' in org_bones[0]:
suffix = '.L'
elif '.R' in org_bones[0]:
suffix = '.R'
mch_auto = ''
if not self.SINGLE_BONE:
mch_name = copy_bone(
self.obj, org(org_bones[0]),
'MCH-AUTO-' + strip_org(org_bones[0]).split('.')[0] + suffix)
eb[mch_name].head = eb[org_bones[0]].head
eb[mch_name].tail = eb[org_bones[-1]].tail
mch_auto = mch_name
# Intermediary bones
for b in org_bones: # All
if self.SINGLE_BONE:
mch_name = copy_bone(self.obj, org(b),
make_mechanism_name(strip_org(b)))
eb[mch_name].length /= 4
put_bone(self.obj, mch_name,
eb[b].head - (eb[mch_name].tail - eb[mch_name].head))
align_bone_z_axis(self.obj, mch_name, eb[b].z_axis)
mch += [mch_name]
mch_name = copy_bone(self.obj, org(b),
make_mechanism_name(strip_org(b)))
eb[mch_name].length /= 4
put_bone(self.obj, mch_name, eb[b].tail)
mch += [mch_name]
break
else:
mch_name = copy_bone(self.obj, org(b),
make_mechanism_name(strip_org(b)))
eb[mch_name].length /= 4
mch += [mch_name]
if b == org_bones[-1]: # Add extra
mch_name = copy_bone(self.obj, org(b),
make_mechanism_name(strip_org(b)))
eb[mch_name].length /= 4
put_bone(self.obj, mch_name, eb[b].tail)
mch += [mch_name]
# Tweak & Ctrl bones
v = eb[org_bones[-1]].tail - eb[org_bones[
0]].head # Create a vector from head of first ORG to tail of last
v.normalize()
v_proj = eb[org_bones[0]].y_axis.dot(
v) * v # projection of first ORG to v
v_point = eb[org_bones[
0]].y_axis - v_proj # a vector co-planar to first ORG and v directed out of the chain
if v_point.magnitude < eb[org_bones[0]].y_axis.magnitude * 1e-03:
v_point = eb[org_bones[0]].x_axis
for b in org_bones: # All
suffix = ''
if '.L' in b:
suffix = '.L'
elif '.R' in b:
suffix = '.R'
if b == org_bones[0]:
name = get_bone_name(b.split('.')[0] + suffix, 'ctrl', 'ctrl')
if self.params.use_parent_ctrls:
name = make_mechanism_name(name)
name = copy_bone(self.obj, org(b), name)
align_bone_x_axis(self.obj, name, eb[org(b)].x_axis)
ctrl += [name]
else:
name = 'tweak_' + strip_org(b)
name = copy_bone(self.obj, org(b), name)
twk += [name]
self.orient_bone(eb[name], 'y', eb[name].length / 2)
if self.params.tweak_axis == 'auto':
align_bone_y_axis(self.obj, name, v)
align_bone_z_axis(self.obj, name, -v_point) # invert?
elif self.params.tweak_axis == 'x':
align_bone_y_axis(self.obj, name, Vector((1, 0, 0)))
align_bone_x_axis(self.obj, name, Vector((0, 0, 1)))
elif self.params.tweak_axis == 'y':
align_bone_y_axis(self.obj, name, Vector((0, 1, 0)))
align_bone_x_axis(self.obj, name, Vector((1, 0, 0)))
elif self.params.tweak_axis == 'z':
align_bone_y_axis(self.obj, name, Vector((0, 0, 1)))
align_bone_x_axis(self.obj, name, Vector((1, 0, 0)))
if b == org_bones[-1]: # Add extra
ctrl_name = get_bone_name(
b.split('.')[0] + suffix, 'ctrl', 'ctrl')
if self.params.use_parent_ctrls:
ctrl_name = make_mechanism_name(ctrl_name)
ctrl_name = copy_bone(self.obj, org(b), ctrl_name)
self.orient_bone(eb[ctrl_name], 'y', eb[ctrl_name].length / 2)
if self.params.conv_bone:
align_bone_y_axis(self.obj, ctrl_name,
eb[org(self.params.conv_bone)].y_axis)
align_bone_x_axis(self.obj, ctrl_name,
eb[org(self.params.conv_bone)].x_axis)
align_bone_z_axis(self.obj, ctrl_name,
eb[org(self.params.conv_bone)].z_axis)
else:
if twk:
lastname = twk[-1]
else:
lastname = ctrl[-1]
align_bone_y_axis(self.obj, ctrl_name, eb[lastname].y_axis)
align_bone_x_axis(self.obj, ctrl_name, eb[lastname].x_axis)
put_bone(self.obj, ctrl_name, eb[b].tail)
ctrl += [ctrl_name]
conv_twk = ''
# Convergence tweak
if self.params.conv_bone:
conv_twk = 'tweak_' + strip_org(self.params.conv_bone)
if not (conv_twk in eb.keys()):
conv_twk = copy_bone(self.obj, org(self.params.conv_bone),
conv_twk)
for b in org_bones:
if self.SINGLE_BONE:
break
# Mch controls
suffix = ''
if '.L' in b:
suffix = '.L'
elif '.R' in b:
suffix = '.R'
mch_ctrl_name = "MCH-CTRL-" + strip_org(b).split('.')[0] + suffix
mch_ctrl_name = copy_bone(self.obj, twk[0] if twk else ctrl[0],
mch_ctrl_name)
eb[mch_ctrl_name].length /= 6
put_bone(self.obj, mch_ctrl_name, eb[b].head)
mch_ctrl += [mch_ctrl_name]
if b == org_bones[-1]: # Add extra
mch_ctrl_name = "MCH-CTRL-" + strip_org(b).split(
'.')[0] + suffix
mch_ctrl_name = copy_bone(self.obj, twk[0] if twk else ctrl[0],
mch_ctrl_name)
eb[mch_ctrl_name].length /= 6
put_bone(self.obj, mch_ctrl_name, eb[b].tail)
mch_ctrl += [mch_ctrl_name]
return {
'mch': mch,
'mch_ctrl': mch_ctrl,
'mch_auto': mch_auto,
'tweak': twk,
'ctrl': ctrl,
'conv': conv_twk
}
