def createObjects(self):
# Settings
self.isFk = "FK" in self.settings("kinematic")
self.isIk = "IK" in self.settings("kinematic")
self.isFkIk = self.isFk and self.isIk
self.isNotIk = self.isFk and not self.isIk
self.isNotFk = not self.isFk and self.isIk
size = self.translations("Part")[0].distance(self.translations("Part")[1]) * 0.25
# TRANSFORMATION
# Normal
if self.count("Part") > 2:
normal = Vector3.planeNormal(*self.translations("Part")[:3])
direction = self.translations("Part")[-1] - self.translations("Part")[0]
if normal.length() < 1E-6:
normal = self.directions("Part1", "z")
if self.negate():
normal *= -1
else:
direction = self.directions("Part1", "x")
normal = self.directions("Part1", "z")
boneTfm = TransformationArray.chain(self.translations("Part"), normal, negativeSide=self.negate(), endTransform=False)
d = [(self.translations("Part")[i],self.translations("Part")[i+1]) for i in range(self.count("Part")-1)]
self.distances = [Vector3.distance(a,b) for a,b in d]
endTfm = boneTfm[-1].copy(translation=self.translations("Part")[-1])
boneTfm = boneTfm.appended(endTfm)
self.distances.append(0.0)
# Create extra transforms on end points
for i in xrange(self.settings("extraControllers")):
extraPos = Vector(self.settings("extraControllerSpacing")*(i+1),0,0) * endTfm
extraTfm = endTfm.copy(translation=extraPos)
boneTfm = boneTfm.appended(extraTfm)
self.distances.append(0.0)
self.setSettings(count=len(self.distances), lengths=self.distances)
self.initialCount = self.count("Part")
if self.settings("setNeutralPose"):
bfrTfm = boneTfm
else:
bfrTfm = [tfm.copy(rotation=boneTfm[max(i-1,0)].quaternion) for i, tfm in enumerate(boneTfm)]
if self.settings("dynamic"):
dynTfm = []
for i, posA in enumerate(self.translations()[:-1]):
posB = self.translations()[i+1]
dynTfm.append(Transform.LookingAt(posA, posB, normal, self.nsign()+"yz", self.negate()))
self.normal = normal.copy()
self.normal.normalize()
self.direction = direction.copy()
self.direction.normalize()
# OBJECTS
# Root
rootBfr = self.addBfr(None, "Root", tfm=boneTfm[0])
if self.settings("addRootCtrl"):
self._root = self.addCtl(rootBfr, "Root", boneTfm[0], "sphere", size=size*1.5, color=self.colorFk())
else:
self._root = rootBfr
# FK Controllers -----------------------------------------
if self.isFk:
self.fkBfr = []
self.fkCtl = []
parent = self._root
for i, (tfm, btfm, dist) in enumerate(izip(boneTfm, bfrTfm, self.distances), start=1):
if self.negate():
dist *= -1
fkBfr = self.addBfr(parent, "Fk{}".format(i), tfm=btfm)
fkCtl = self.addCtl(fkBfr, "Fk{}".format(i), tfm, "cube", po=[dist*0.5,0,0], so=[dist*0.9,size,size], color=self.colorFk())
# self.setInversedsettings(fkCtl, middle=["posz", "rotx", "roty"])
attributes.setRotOrder(fkCtl, self.settings("defaultRotationOrder"))
parent = fkCtl
self.fkBfr.append(fkBfr)
self.fkCtl.append(fkCtl)
else:
self.fkCtl = len(boneTfm) * [None]
# IK Controllers --------------------------------------
if self.isIk:
self.ikBfr = []
self.ikCtl = []
self.ikRoot = self.addBfr(self._root, "IkRoot", boneTfm[0])
for i, (tfm, btfm) in enumerate(izip(boneTfm, bfrTfm), start=1):
if i == 1:
parent = self._root
else:
parent = self.ikRoot
ikBfr = self.addBfr(parent, "Ik{}".format(i), tfm=btfm)
ikCtl = self.addCtl(ikBfr, "Ik{}".format(i), tfm, "sphere", size=size, color=self.colorIk())
# self.setInversedsettings(ikCtl, middle=["posz","rotx","roty"])
attributes.setRotOrder(ikCtl, self.settings("defaultRotationOrder"))
self.ikBfr.append(ikBfr)
self.ikCtl.append(ikCtl)
else:
self.ikCtl = len(boneTfm) * [None]
# Bones -------------------------------
if self.isFkIk or (self.isFk and self.settings("dynamic")):
self.bones = []
parent = self._root
for i, (tfm, dist) in enumerate(izip(boneTfm, self.distances), start=1):
if self.negate():
dist *= -1
bone = self.addRig(parent, "Bone{}".format(i), tfm, "cube", size=1, po=[dist*.5,0,0], so=[0,.5 * size,.5 * size])
self.bones.append(bone)
parent = bone
elif self.isFk:
self.bones = self.fkCtl
else:
self.bones = self.ikCtl
# Dynamic ----------------------------
if self.settings("dynamic"):
self.dfmHost = []
self.dynCns = []
self.target = []
self.harmonic = []
self.dynBone = []
parent = self._root
for i, (bone, tfmA, tfmB) in enumerate(izip(self.bones[:-1], boneTfm[:-1], boneTfm[1:]), start=1):
dynCns = self.addRig(parent, "DynCns{}".format(i), tfmA, "cube", size=1)
self.dynCns.append(dynCns)
target = self.addRig(dynCns, "Target{}".format(i), tfmB, "null", size=1)
self.target.append(target)
harmonic = self.addRig(target, "Harmonic{}".format(i), tfmB, "diamond", size=1)
self.harmonic.append(harmonic)
dynBone = self.addRig(parent, "Dynamic{}".format(i), tfmA, "pyramid", size=1, ro=[0,0,-90], so=[1,self.factor(),1])
self.dynBone.append(dynBone)
parent = dynBone
self.dfmHost.append(dynBone)
# Add the tip, since the tentacle has the tip
dynBone = self.addRig(parent, "Dynamic{}".format(len(self.bones)), boneTfm[-1], "pyramid", size=1, ro=[0,0,-90], so=[1,self.factor(),1])
self.dynBone.append(dynBone)
self.dfmHost.append(dynBone)
else:
self.dfmHost = self.bones
# Roll Controllers ----------------------------
self.rollBfr = []
self.rollCtl = []
# self.upv = []
if self.settings("addRoll"):
for i, (bone, tfm) in enumerate(izip(self.dfmHost, boneTfm), start=1):
if self.negate():
rollScl = -2
else:
rollScl = 2
rollBfr = self.addBfr(bone, "Roll{}".format(i), tfm=tfm)
rollCtl = self.addCtl(rollBfr, "Roll{}".format(i), tfm, "pyramid", size=size, so=[1,rollScl,0], color=self.colorIk())
# self.setInversedsettings(rollCtl, middle=["posz","rotx","roty"])
attributes.setRotOrder(rollCtl, self.settings("defaultRotationOrder"))
attributes.setKeyables(rollCtl, ["rotx"])
# self.addToSubControllers(rollCtl)
upvPar = rollCtl
self.rollBfr.append(rollBfr)
self.rollCtl.append(rollCtl)
# UI Hosts ----------------------------
self.hosts = []
for i, (bone, btfm) in enumerate(izip(self.dfmHost, boneTfm), start=1):
host = self.addCtl(bone, "Host{}".format(i), btfm, "gear", size=size*1.5, color=self.colorFk())
attributes.setKeyables(host, [])
self.hosts.append(host)
# Tangents ----------------------------
self.tangentBfr = []
self.tangentSolvers = []
self.tangentCtl = []
self.tanCrvs = []
points = []
for i, (bone, btfm, dist) in enumerate(izip(self.dfmHost, boneTfm, self.distances)):
tanBfrs = []
tanSolvers = []
tanCtls = []
if i:
tangent = self._createTangentObjects("InTangent", i, size, bone, btfm, -self.distances[i-1]*0.333, "cube")
tanBfrs.append(tangent[0])
tanSolvers.append(tangent[1])
tanCtls.append(tangent[2])
else:
tanBfrs.append(None)
tanSolvers.append(None)
tanCtls.append(None)
if i != len(self.bones)-1:
tangent = self._createTangentObjects("OutTangent", i, size, bone, btfm, dist*0.333, "diamond")
tanBfrs.append(tangent[0])
tanSolvers.append(tangent[1])
tanCtls.append(tangent[2])
else:
tanBfrs.append(None)
tanSolvers.append(None)
tanCtls.append(None)
self.tangentBfr.append(tanBfrs)
self.tangentSolvers.append(tanSolvers)
self.tangentCtl.append(tanCtls)
# Draw helper lines for the tangents. Start by filtering out empty entries from the centers list
centers = [item for item in [tanCtls[0], bone, tanCtls[1]] if item]
tanCrv = create.cnsCurve("TanCrv{}".format(i+1), centers, degree=1)
cmds.setAttr(tanCrv+".template", True)
self.tanCrvs.append(tanCrv)
# Curve ----------------------------
self.curvePar = self.addRig(None, "Curve")
cmds.setAttr(self.curvePar+".template", True)
def createObjects(self):
# TRANSFORMATIONS
positions = Vector3Array([
self.translations("Root"),
self.translations("Knee"),
self.translations("Ankle"),
self.translations("Toe")
])
normal = Vector3.planeNormal(*positions[:3])
oriNormal = normal.copy()
if self.negate():
normal *= -1
d = [(positions[i], positions[i + 1]) for i in range(3)]
self.lengths = [Vector3.distance(a, b) for a, b in d]
self.lengths.append(1)
ratio = self.lengths[0] / sum(self.lengths[:2])
self.setSettings(lengths=self.lengths[:3])
# root
rootTfm = Transformation.fromParts(
translation=self.translations("Root"))
# fk
fkTfm = TransformationArray.chain(positions,
normal,
axis="xz",
negativeSide=self.negate(),
endTransform=False)
lookAtEff = self.translations("Eff") - self.translations("Toe")
fk3Tfm = Transformation.lookAt(self.translations("Toe"), lookAtEff,
constants.AXIS_Y, "y-x", self.negate())
fkTfm = fkTfm.appended(fk3Tfm)
for tfm, dist in izip(fkTfm, self.lengths):
tfm.scale = Vector3(
[dist * self.factor(),
self.factor(),
self.factor()])
bfrTfm = [
tfm.copy(rotation=fkTfm[max(i - 1, 0)].rotation)
for i, tfm in enumerate(fkTfm)
]
bfrTfm[0] = Transformation.lookAt(self.translations("Root"),
constants.AXIS_NY, constants.AXIS_X,
"x" + self.nsign() + "z",
self.negate())
scale = bfrTfm[0].scale
scale.x *= self.lengths[0]
bfrTfm[0].scale = scale
# ik
ikbfrPos = Vector3([
self.translations("Root").x,
self.translations("Toe").y,
self.translations("Root").z
])
ikbfrTfm = Transformation.fromParts(translation=ikbfrPos)
ikTfm = Transformation.lookAt(self.translations("Toe"), lookAtEff,
constants.AXIS_Y, "zy", False)
upvbfrTfm = Transformation.fromParts(
translation=umath.upVector(self.translations("Root"), ikbfrPos,
constants.AXIS_NX, ratio, False))
upvTfm = Transformation.fromParts(
translation=umath.upVector(self.translations(
"Root"), self.translations("Ankle"), oriNormal, ratio))
rollNormal = Vector3.planeNormal(self.translations("Root"),
upvTfm.translation,
self.translations("Toe"))
if self.negate():
rollNormal *= -1
direction = self.translations("Root") - self.translations("Toe")
rollbfrTfm = Transformation.lookAt(self.translations("Toe"), direction,
rollNormal, "y-x", self.negate())
direction = self.translations("Ankle") - self.translations("Toe")
rollTfm = Transformation.lookAt(self.translations("Toe"), direction,
normal, "y-x", self.negate())
# extras
scale = Vector3([self.factor(), self.factor(), self.factor()])
twisterTfm = {}
interTfm = {}
for i, (p, pos) in enumerate(izip(self.twp, positions[1:4])):
twisterTfm[p] = [
fkTfm[i].copy(scale=scale), fkTfm[i].copy(translation=pos,
scale=scale)
]
interPos = twisterTfm[p][0].translation.lerp(
twisterTfm[p][1].translation, .5)
interTfm[p] = twisterTfm[p][0].copy(translation=interPos)
ctrATfm = twisterTfm["Mid"][0]
ctrBTfm = twisterTfm["Lwr"][0]
# CONTROLLERS
# Root
self.rootBfr = self.addBfr(None, "Root", rootTfm)
self.rootCtl = self.addCtl(self.rootBfr,
"Root",
rootTfm,
"sphere",
size=4,
color=self.colorIk())
# self.addToSubControllers(self.rootCtl)
attributes.setKeyables(self.rootCtl, constants.ATTRS_T)
# self.setInversedParameters(self.rootCtl, middle=["posx"], side=["posx"])
# Fk Ref
# Used as a reference for the upr start twist
# We cannot use the fk1Bfr cause this one get constrained when fk ref changes
self.fkRef = self.addRig(self.rootBfr, "FkRef", bfrTfm[0])
# FK Controlers and Bones
fkParent = self.fkRef
boneParent = self.fkRef
self.fkBfr = []
self.fkCtl = []
self.bones = []
self.stretches = []
for i, (tfm, btfm) in enumerate(izip(fkTfm, bfrTfm), start=1):
bfr = self.addBfr(fkParent, "Fk%s" % i, btfm)
ctl = self.addCtl(bfr,
"Fk%s" % i,
tfm,
"sphere",
size=8,
so=[0, 1, 1],
color=self.colorFk())
if self.settings("lockKneeRotation") and i == 2:
keyables = [
"posx", "posy", "posz", "rotz", "sclx", "scly", "sclz"
]
else:
keyables = constants.ATTRS_TRS
if i == 1:
attributes.setRotOrder(ctl, "XZY")
attributes.setKeyables(ctl, keyables)
# self.setInversedParameters(ctl, middle=["posz", "roty", "rotx"])
fkParent = ctl
self.fkBfr.append(bfr)
self.fkCtl.append(ctl)
bone = self.addRig(boneParent,
"Bone{}".format(i),
tfm=tfm,
icon="bone",
so=(self.factor(), 1, 1))
boneParent = bone
self.bones.append(bone)
# IK Controllers
self.rollBfr = self.addBfr(self.rootBfr, "Roll", rollbfrTfm)
self.rollCtl = self.addCtl(self.rollBfr,
"Roll",
rollTfm,
"jaw",
size=1,
ro=(-90, 0, 0),
color=self.colorIk())
#self.rollCtl = self.addCtl(self.rollBfr, "Roll", rollTfm, "jaw", size=2, po=(4,6,0), color=self.colorIk())
# self.setNeutralPose(self.rollCtl)
attributes.setKeyables(self.rollCtl,
["rotx", "roty", "rotz", "rotorder", "scly"])
self.ikRef = self.addRig(self.rollCtl, "IkRef", fkTfm[-2])
self.ikBfr = self.addBfr(None, "Ik", ikbfrTfm)
self.ikCtl = self.addCtl(self.ikBfr,
"Ik",
ikTfm,
"cube",
size=6,
color=self.colorIk())
attributes.setKeyables(self.ikCtl, constants.ATTRS_TRS)
# self.setInversedParameters(self.ikCtl, middle=["posx", "rotz", "roty"], side=["posx", "rotz", "roty"])
attributes.setRotOrder(self.ikCtl, "XZY")
self.ikoffCtl = self.addCtl(self.ikCtl,
"IkOffset",
ikTfm,
"null",
size=4,
color=self.colorIk())
# self.addToSubControllers(self.ikoffCtl)
attributes.setKeyables(self.ikoffCtl, constants.ATTRS_TRS)
# self.setInversedParameters(self.ikoffCtl, middle=["posx", "rotz", "roty"], side=["posx", "rotz", "roty"])
attributes.setRotOrder(self.ikoffCtl, "XZY")
self.upvBfr = self.addBfr(None, "Upv", upvbfrTfm)
self.upvCtl = self.addCtl(self.upvBfr,
"Upv",
upvTfm,
"diamond",
size=2,
color=self.colorIk())
attributes.setKeyables(self.upvCtl, constants.ATTRS_T)
# self.setInversedParameters(self.upvCtl, middle=["posx"], side=["posx"])
self.ctrABfr = self.addBfr(self.bones[0], "CenterA", ctrATfm)
self.ctrACtl = self.addCtl(self.ctrABfr,
"CenterA",
ctrATfm,
"sphere",
size=5,
color=self.colorIk())
# self.addToSubControllers(self.ctrACtl)
attributes.setKeyables(self.ctrACtl, constants.ATTRS_TRS)
# self.setInversedParameters(self.ctrACtl, middle=["posz", "roty", "rotx"])
self.ctrBBfr = self.addBfr(self.bones[1], "CenterB", ctrBTfm)
self.ctrBCtl = self.addCtl(self.ctrBBfr,
"CenterB",
ctrBTfm,
"sphere",
size=5,
color=self.colorIk())
# self.addToSubControllers(self.ctrBCtl)
attributes.setKeyables(self.ctrBCtl, constants.ATTRS_TRS)
# self.setInversedParameters(self.ctrBCtl, middle=["posz", "roty", "rotx"])
self.upvCrv = create.cnsCurve(
self.getObjectName(config.USE_RIG, "UpvCrv"),
[self.upvCtl, self.ctrACtl])
cmds.setAttr(self.upvCrv + ".template", True)
self.footRef = self.addRig(self.ikoffCtl, "FootRef", ikTfm)
# Twisters
self.twisters = defaultdict(list)
for p in self.twp:
for s, tfm, factor in izip(["Start", "End"], twisterTfm[p],
[1, -1]):
twister = self.addRig(self.rootBfr,
"Tw" + p + s,
tfm,
"sphere",
po=[factor, 0, 0],
so=[2, 1, 1])
# self.setNeutralPose(twister)
self.twisters[p].append(twister)
# Inter
self.inters = {}
for p in self.twp:
self.inters[p] = self.addRig(self.rootBfr, "Inter" + p,
interTfm[p], "pyramid")
def chain(name,
parent,
positions,
normal=None,
axis="xz",
negate=False,
size=1,
color=None):
''' Creates an Ik chain of joints
Args:
name (str): Name of the newly created Node
parent (str): parent of the node. None if no parent
positions (list of triplet): position of the node
normal (triplet of float):
axis (str):
size (int): size off the text. Default is 40 which is close to 1 maya unit high.
color (list of float): Color of the curve.
Returns:
(str, str, str): joints, effector, handle
'''
if normal is None:
if len(positions) >= 3:
normal = Vector3.planeNormal(positions, normalize=True)
else:
normal = Vector(0, 0, -1)
# Transform.setMirrorMethod(Transform.inversedRotation)
transforms = TransformationArray.chain(positions,
normal,
axis,
negate,
endTransform=True)
d = [(positions[i], positions[i + 1]) for i in range(len(positions) - 1)]
lengths = [Vector3.distance(a, b) for a, b in d] + [1]
joints = []
jointParent = parent
for i, tfm in enumerate(transforms, start=1):
jnt = joint(name + "%02d" % i,
jointParent,
tfm,
color,
useJointOrient=True)
jointParent = jnt
joints.append(jnt)
handle, effector = cmds.ikHandle(startJoint=joints[0],
endEffector=joints[-1])
if negate:
upv = Vector3([0, -1, 0]) * transforms[0].asMatrix()
tfm = Transformation.fromParts(translation=transforms[0].translation)
upv = upv * tfm.asMatrix().inverse()
cmds.setAttr(handle + ".poleVectorX", upv.x)
cmds.setAttr(handle + ".poleVectorY", upv.y)
cmds.setAttr(handle + ".poleVectorZ", upv.z)
effector = cmds.rename(effector, name + "Eff")
handle = cmds.rename(handle, name + "Hdl")
if parent:
handle = cmds.parent(handle, parent, absolute=True)[0]
cmds.delete(joints.pop(-1))
return joints, effector, handle
def createObjects(self):
# Settings
self.isFk = "FK" in self.settings("kinematic")
self.isIk = "IK" in self.settings("kinematic")
self.isFkIk = self.isFk and self.isIk
# TRANSFORMATION
# Positions
positions = self.translations("Part")
# Normal
if self.count("Part") > 2:
normal = Vector3.planeNormal(*positions[:3])
if normal.length() < 1E-6:
normal = self.directions("Part1", "z")
if self.negate():
normal *= -1
else:
normal = self.directions("Part1", "z")
boneTfm = TransformationArray.chain(positions,
normal,
axis="xz",
negativeSide=self.negate(),
endTransform=False)
d = [(positions[i], positions[i + 1])
for i in range(self.count("Part") - 1)]
boneLen = [Vector3.distance(a, b) for a, b in d]
self.setSettings(count=len(boneLen), lengths=boneLen)
if self.settings("setNeutralPose"):
bfrTfm = boneTfm
else:
bfrTfm = [
tfm.copy(rotation=boneTfm[max(i - 1, 0)].rotation)
for i, tfm in enumerate(boneTfm)
]
if self.isIk:
ikTfm = boneTfm[-1].copy(translation=positions[-1])
# Up Vector
if self.count("Part") > 2:
upvTfm = Transformation.fromParts(
translation=umath.upVector(positions[0],
positions[2],
normal,
ratio=1,
negate=self.negate()))
else:
upvTfm = Transformation.fromParts(
translation=umath.upVector(positions[0],
positions[1],
normal,
ratio=1,
negate=self.negate()))
if self.settings("dynamic"):
tgtTfm = boneTfm[1:]
tgtTfm = tgtTfm.appended(
boneTfm[-1].copy(translation=positions[-1]))
# OBJECTS
# Root
self._root = self.addRig(None, "Root", tfm=boneTfm[0])
# FK Controllers -----------------------------------------
if self.isFk:
self.fkBfr = []
self.fkCtl = []
self.fkDir = []
parent = self._root
for i, (tfm, btfm, dist) in enumerate(izip(boneTfm, bfrTfm,
boneLen),
start=1):
fkBfr = self.addBfr(parent, "Fk{}".format(i), tfm=btfm)
fkCtl = self.addCtl(fkBfr,
"Fk{}".format(i),
tfm,
"sphere",
so=[0, 1, 1],
color=self.colorFk())
# self.setInversedsettings(fkCtl, middle=["posz", "rotx", "roty"])
attributes.setRotOrder(fkCtl,
self.settings("defaultRotationOrder"))
parent = fkCtl
self.fkBfr.append(fkBfr)
self.fkCtl.append(fkCtl)
bone = self.addRig(fkCtl,
"Dir{}".format(i),
tfm,
"pyramid",
size=1,
ro=[0, 0, -90],
so=[.5, self.factor() * dist, .5])
self.fkDir.append(bone)
# Add the end reference for ikfk matching
tfm = boneTfm[-1].copy(translation=positions[-1])
self._tip = self.addRig(self.fkCtl[-1], "Tip", tfm)
# IK Controllers --------------------------------------
if self.isIk:
# Ik Controller
self.ikBfr = self.addBfr(self._root, "Ik", tfm=ikTfm)
self.ikCtl = self.addCtl(self.ikBfr,
"Ik",
ikTfm,
"cube",
size=2,
color=self.colorIk())
attributes.setKeyables(self.ikCtl, constants.ATTRS_TR)
# UpVector Controller
self.upvBfr = self.addBfr(self._root, "UpV", upvTfm)
self.upvCtl = self.addCtl(self.upvBfr,
"UpV",
upvTfm,
"diamond",
color=self.colorIk())
attributes.setKeyables(self.upvCtl, constants.ATTRS_T)
# Ik Chain
self.ikBones, self.effector, self.handle = create.chain(
self.getObjectName(config.USE_RIG, "Ik"),
self._root,
positions,
normal,
negate=self.negate())
self.upvCrv = create.cnsCurve(
[self.ikChn.root(), self.upvCtl,
self.ikChn.effector()], "UpvCrv")
cmds.setAttr(self.upvCrv + ".template", True)
# Bones -------------------------------
if self.isFkIk: # or (self.isFk and self.settings("dynamic")):
self.bones = []
parent = self._root
for i, (tfm, dist) in enumerate(izip(boneTfm, boneLen), start=1):
bone = self.addRig(parent,
"Bone{}".format(i),
tfm,
"cube",
size=1,
po=[self.factor() * dist * .5, 0, 0],
so=[dist, .5, .5])
self.bones.append(bone)
parent = bone
elif self.isFk:
self.bones = self.fkCtl
else:
self.bones = self.ikChn.bones()
# Dynamic ----------------------------
if self.settings("dynamic"):
self.dfmHost = []
self.dynCns = []
self.target = []
self.harmonic = []
self.dynBone = []
parent = self._root
for i, (bone, tfmA,
tfmB) in enumerate(izip(self.bones, boneTfm, tgtTfm),
start=1):
dynCns = self.addRig(parent,
"DynCns{}".format(i),
tfmA,
"cube",
size=1)
self.dynCns.append(dynCns)
target = self.addRig(dynCns,
"Target{}".format(i),
tfmB,
"null",
size=1)
self.target.append(target)
harmonic = self.addRig(target,
"Harmonic{}".format(i),
tfmB,
"diamond",
size=1)
self.harmonic.append(harmonic)
dynBone = self.addRig(parent,
"Dynamic{}".format(i),
tfmA,
"pyramid",
size=1,
ro=[0, 0, -90],
so=[1, self.factor(), 1])
self.dynBone.append(dynBone)
parent = dynBone
self.dfmHost.append(dynBone)
else:
self.dfmHost = self.bones
# Strap ----------------------------
if self.settings("strap"):
endTfm = boneTfm[-1].copy(translation=positions[-1])
self.end = self.addRig(self.dfmHost[-1], "End", endTfm)
def createObjects(self):
# SIZE
size = self.translations("Root").distance(self.translations("Knee"))
fkSize = size * .25
ikSize = size * .25
upvSize = size * .1
rootSize = size * .15
# TRANSFORMATIONS
positions = Vector3Array([
self.translations("Root"),
self.translations("Knee"),
self.translations("Ankle")
])
normal = Vector3.planeNormal(*positions)
oriNormal = normal.copy()
if self.negate():
normal *= -1
isInversed = constants.AXIS_X.dot(oriNormal) >= 0
d = [(positions[i], positions[i + 1]) for i in range(2)]
self.lengths = [Vector3.distance(a, b) for a, b in d]
self.lengths.append(1)
ratio = self.lengths[0] / sum(self.lengths[:2])
self.setSettings(lengths=self.lengths[:2])
# root
rootTfm = Transformation.fromParts(
translation=self.translations("Root"))
# fk
fkTfm = TransformationArray.chain(positions,
normal,
axis="xz",
negativeSide=self.negate(),
endTransform=False)
axis = "-y-x" if isInversed else "y-x"
if self.settings("ankleUpVector") == "World Y":
upaxis = constants.AXIS_Y
else:
upaxis = -1 * self.directions("Ankle", "z")
direction = self.translations("Eff") - self.translations("Ankle")
fk2Tfm = Transformation.lookAt(self.translations("Ankle"), direction,
upaxis, axis, self.negate())
fkTfm = fkTfm.appended(fk2Tfm)
bfrTfm = [
tfm.copy(rotation=fkTfm[max(i - 1, 0)].rotation)
for i, tfm in enumerate(fkTfm)
]
xaxis = constants.AXIS_NX if isInversed else constants.AXIS_X
bfrTfm[0] = Transformation.lookAt(self.translations("Root"),
constants.AXIS_NY, xaxis,
"x" + self.nsign() + "z",
self.negate())
# ik
ikbfr_pos = Vector3([
self.translations("Root").x,
self.translations("Ankle").y,
self.translations("Root").z
])
ikbfrTfm = Transformation.fromParts(translation=ikbfr_pos)
ikTfm = Transformation.lookAt(self.translations("Ankle"), direction,
upaxis, "zy", False)
upvbfrTfm = Transformation.fromParts(
translation=umath.upVector(self.translations("Root"), ikbfr_pos,
constants.AXIS_NX, ratio, False))
upvTfm = Transformation.fromParts(
translation=umath.upVector(self.translations(
"Root"), self.translations("Ankle"), oriNormal, ratio))
# extras
scale = Vector3([1, 1, 1])
twisterTfm = {}
interTfm = {}
for i, (p, pos) in enumerate(izip(self.twp, positions[1:3])):
twisterTfm[p] = [
fkTfm[i].copy(scale=scale), fkTfm[i].copy(translation=pos,
scale=scale)
]
inter_pos = twisterTfm[p][0].translation.lerp(
twisterTfm[p][1].translation, .5)
interTfm[p] = twisterTfm[p][0].copy(translation=inter_pos)
ctrTfm = twisterTfm["Lwr"][0]
# CONTROLLERS
# Root
self.rootBfr = self.addBfr(None, "Root", rootTfm)
self.rootCtl = self.addCtl(self.rootBfr,
"Root",
rootTfm,
"sphere",
color=self.colorIk(),
size=rootSize)
# self.addToSubControllers(self.rootCtl)
attributes.setKeyables(self.rootCtl, constants.ATTRS_T)
# Fk Ref
# Used as a reference for the upr start twist
# We cannot use the fk1Bfr cause this one get constrained when fk ref changes
self.fkRef = self.addRig(self.rootBfr, "FkRef", bfrTfm[0])
# FK Controlers and Bones
fkParent = self.fkRef
boneParent = self.fkRef
self.fkBfr = []
self.fkCtl = []
self.bones = []
self.stretches = []
for i, (tfm, btfm) in enumerate(izip(fkTfm, bfrTfm), start=1):
bfr = self.addBfr(fkParent, "Fk%s" % i, btfm)
ctl = self.addCtl(bfr,
"Fk%s" % i,
tfm,
"sphere",
color=self.colorFk(),
size=fkSize,
so=(0, 1, 1))
if self.settings("lockKneeRotation") and i == 2:
keyableParams = [
"posx", "posy", "posz", "rotz", "sclx", "scly", "sclz"
]
else:
keyableParams = constants.ATTRS_TRS
attributes.setKeyables(ctl, keyableParams)
fkParent = ctl
self.fkBfr.append(bfr)
self.fkCtl.append(ctl)
bone = self.addRig(boneParent,
"Bone{}".format(i),
tfm=tfm,
icon="bone",
so=(self.factor(), 1, 1))
boneParent = bone
self.bones.append(bone)
# IK Controllers
self.ikBfr = self.addBfr(None, "Ik", ikbfrTfm)
self.ikCtl = self.addCtl(self.ikBfr,
"Ik",
ikTfm,
"cube",
color=self.colorIk(),
size=ikSize)
attributes.setKeyables(self.ikCtl, constants.ATTRS_TRS)
attributes.setRotOrder(self.ikCtl, "XZY")
self.ikoffCtl = self.addCtl(self.ikCtl,
"IkOffset",
ikTfm,
"cube",
color=self.colorIk(),
size=ikSize)
# self.addToSubControllers(self.ikoffCtl)
attributes.setKeyables(self.ikoffCtl, constants.ATTRS_TRS)
self.ikRef = self.addRig(self.ikoffCtl, "IkRef", fkTfm[-1])
attributes.setRotOrder(self.ikoffCtl, "XZY")
self.upvBfr = self.addBfr(None, "Upv", upvbfrTfm)
self.upvCtl = self.addCtl(self.upvBfr,
"Upv",
upvTfm,
"diamond",
color=self.colorIk(),
size=upvSize)
attributes.setKeyables(self.upvCtl, constants.ATTRS_T)
self.ctrBfr = self.addBfr(self.bones[0], "Center", ctrTfm)
self.ctrCtl = self.addCtl(self.ctrBfr,
"Center",
ctrTfm,
"sphere",
size=rootSize,
color=self.colorIk())
# self.addToSubControllers(self.ctrCtl)
attributes.setKeyables(self.ctrCtl, constants.ATTRS_TRS)
self.upvCrv = create.cnsCurve(
self.getObjectName(config.USE_RIG, "UpvCrv"),
[self.upvCtl, self.ctrCtl])
# Twisters
self.twisters = defaultdict(list)
for p in self.twp:
for s, tfm, factor in izip(["Start", "End"], twisterTfm[p],
[1, -1]):
twisterBfr = self.addBfr(self.rootBfr, "Tw" + p + s, tfm)
twister = self.addRig(twisterBfr, "Tw" + p + s, tfm, "pyramid")
self.twisters[p].append(twister)
# Inter
self.inters = {}
for p in self.twp:
self.inters[p] = self.addRig(self.rootBfr, "Inter" + p,
interTfm[p], "cube")
