Ejemplo n.º 1
0
    def addOperators(self):

        # Visibilities -------------------------------------
        if self.isFkIk:
            for fk_ctl in self.fk_ctl:
                par.addExpression(fk_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)

            par.addExpression(self.upv_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)
            par.addExpression(self.ikcns_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName +" * "+ self.pIkCns.FullName)
            par.addExpression(self.ik_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)

        # IK Chain -----------------------------------------
        if self.isIk:
            # Leash
            aop.clsCtrOp(self.upv_ctl, self.chain.bones[0], [0])

            # Constraint and up vector
            self.chain.eff.Kinematics.AddConstraint("Position", self.ik_ctl, False)
            xsi.ApplyOp("SkeletonUpVector", self.chain.bones[0].FullName+";"+self.upv_ctl.FullName, 3, "siPersistentOperation", "", 0)

            par.addExpression(self.chain.roll, self.pRoll.FullName)

        # Chain of deformers -------------------------------
        for i, loc in enumerate(self.loc):

            if self.settings["type"] == 0: # fk only
                loc.Kinematics.addConstraint("Pose", self.fk_ctl[i])

            elif self.settings["type"] == 1: # ik only
                loc.Kinematics.addConstraint("Pose", self.chain.bones[i])

            elif self.settings["type"] == 2: # fk/ik
                # orientation
                cns = loc.Kinematics.AddConstraint("Orientation", self.fk_ctl[i])
                cns = loc.Kinematics.AddConstraint("Orientation", self.chain.bones[i])
                par.addExpression(cns.Parameters("blendweight"), self.pBlend.FullName)

                # position / scaling
                for s in "xyz":
                    par.addExpression(loc.Kinematics.Local.Parameters("pos%s"%s), self.fk_ctl[i].Kinematics.Local.Parameters("pos%s"%s).FullName+" * (1 - "+self.pBlend.FullName+") + "+self.chain.bones[i].Kinematics.Local.Parameters("pos%s"%s).FullName +" * "+self.pBlend.FullName)
                    par.addExpression(loc.Kinematics.Local.Parameters("scl%s"%s), self.fk_ctl[i].Kinematics.Local.Parameters("scl%s"%s).FullName+" * (1 - "+self.pBlend.FullName+") + "+self.chain.bones[i].Kinematics.Local.Parameters("scl%s"%s).FullName +" * "+self.pBlend.FullName)

        # Default Values -----------------------------------
        if self.isFkIk:
            self.pBlend.Value = self.settings["blend"]
Ejemplo n.º 2
0
    def addOperators(self):

        # Visibilities -------------------------------------
        par.addExpression(self.fk0_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)
        par.addExpression(self.fk1_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)
        par.addExpression(self.fk2_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)

        par.addExpression(self.upv_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)
        par.addExpression(self.ikcns_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName +" * "+ self.pIkCns.FullName)
        par.addExpression(self.ik_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)

        # Leash --------------------------------------------
        aop.clsCtrOp(self.upv_ctl, self.mid_ctl, [0])

        # IK Solver-----------------------------------------
        out = [self.bone0, self.bone1, None, self.eff_loc]
        op = aop.sn_ikfk2bone_op(out, self.root, self.ik_ctl, self.upv_ctl, self.fk0_ctl, self.fk1_ctl, self.fk2_ctl, self.length0, self.length1, self.negate)

        par.addExpression(op.Parameters("blend"), self.pBlend.FullName)
        par.addExpression(op.Parameters("roll"), self.pIkRoll.FullName)
        par.addExpression(op.Parameters("scaleA"), self.pScale.FullName)
        par.addExpression(op.Parameters("scaleB"), self.pScale.FullName)
        par.addExpression(op.Parameters("maxstretch"), self.pMaxStretch.FullName)
        par.addExpression(op.Parameters("softness"), self.pSoftness.FullName)
        par.addExpression(op.Parameters("slide"), self.pSlide.FullName)
        par.addExpression(op.Parameters("reverse"), self.pReverse.FullName)

        # I'm not using the output of the solver to get the ctrn because it only has a +/-180 degree
        # With this simple expression I have a much better result
        # Also remove scaling from ctrn
        for s in "xyz":
            par.addExpression(self.ctrn_loc.Kinematics.Local.Parameters("rot"+s), self.bone1.Kinematics.Local.Parameters("rot"+s).FullName + " * .5")
            par.addExpression(self.ctrn_loc.Kinematics.Global.Parameters("scl"+s), self.root.Kinematics.Global.Parameters("scl"+s).FullName)

        # Membrane
        par.addExpression(self.memb_loc.Kinematics.Local.Parameters("posy"), self.pStartPos.FullName+" + ("+self.pEndPos.FullName+" - "+self.pStartPos.FullName+") * ( 1 - ( ctr_dist("+self.root.Kinematics.Global.FullName+","+self.eff_loc.Kinematics.Global.FullName+") / "+self.pRestDist.FullName+"))")

        # Twist references ---------------------------------
        self.pRestDist.Value = vec.getDistance2(self.root, self.eff_loc)
        par.addExpression(self.pDriver, "(ctr_dist(%s, %s) + ctr_dist(%s, %s)) / %s"
                                        %(self.tws0_loc.Kinematics.Global.FullName, self.tws1_loc.Kinematics.Global.FullName,
                                          self.tws1_loc.Kinematics.Global.FullName, self.tws2_loc.Kinematics.Global.FullName,
                                          self.root.Kinematics.Global.Parameters("sclx").FullName))

        self.tws0_loc.Kinematics.AddConstraint("Pose", self.root, True)
        aop.dirCns(self.tws0_loc, self.mid_ctl, None, False, self.n_sign+"xy")
        
        self.tws1_loc.Kinematics.AddConstraint("Position", self.mid_ctl)
        self.tws1_loc.Kinematics.AddConstraint("Scaling", self.mid_ctl)
        self.tws1_rot.Kinematics.AddConstraint("Orientation", self.mid_ctl)
        par.addExpression(self.tws1_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws1_rot.Parameters("roty"), 0)
        par.addExpression(self.tws1_rot.Parameters("rotz"), 0)

        self.tws2_loc.Kinematics.AddConstraint("Position", self.eff_loc)
        self.tws2_loc.Kinematics.AddConstraint("Scaling", self.eff_loc)
        aop.poseCns(self.tws2_rot, self.eff_loc, False, False, True, False)
        par.addExpression(self.tws2_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws2_rot.Parameters("roty"), 0)
        par.addExpression(self.tws2_rot.Parameters("rotz"), 0)
        par.setRotOrder(self.tws2_rot, "YZX")

        self.tws0_rot.SclX = .001
        par.addExpression(self.tws1_rot.SclX, self.pRoundness.FullName + " + .001")
        self.tws2_rot.SclX = .001

        # Divisions ----------------------------------------
        # at 0 or 1 the division will follow exactly the rotation of the controler.. and we wont have this nice tangent + roll
        for i, div_cns in enumerate(self.div_cns):

            if i < (self.settings["div0"]+1):
                perc = i*.5 / (self.settings["div0"]+1.0)
            else:
                perc = .5 + (i-self.settings["div0"]-1.0)*.5 / (self.settings["div1"]+1.0)

            perc = max(.001, min(.999, perc))

            # Roll
            if self.negate:
                op = aop.sn_rollsplinekine_op(div_cns, [self.tws2_rot, self.tws1_rot, self.tws0_rot], 1-perc)
            else:
                op = aop.sn_rollsplinekine_op(div_cns, [self.tws0_rot, self.tws1_rot, self.tws2_rot], perc)

            # Squash n Stretch
            op = aop.sn_squashstretch2_op(div_cns, self.root, self.pDriver.Value, "x")
            par.addExpression(op.Parameters("blend"), self.pVolume.FullName)
            par.addExpression(op.Parameters("driver"), self.pDriver.FullName)
            if self.options["mode"] == 1: # wip
                par.addExpression(op.Parameters("stretch"), self.pStretch[i])
                par.addExpression(op.Parameters("squash"), self.pSquash[i])
            else:
                op.Parameters("stretch").Value = self.st_value[i]
                op.Parameters("squash").Value = self.sq_value[i]
Ejemplo n.º 3
0
    def addOperators(self):

        # Visibilities -------------------------------------
        par.addExpression(self.fk0_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)
        par.addExpression(self.fk1_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)
        par.addExpression(self.fk2_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)
        par.addExpression(self.fk3_ctl.Properties("visibility").Parameters("viewvis"), "1 - "+self.pBlend.FullName)

        par.addExpression(self.upv_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)
        par.addExpression(self.ikcns_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName +" * "+ self.pIkCns.FullName)
        par.addExpression(self.ik_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)

        if self.settings["roll"] == 0:
            par.addExpression(self.roll_ctl.Properties("visibility").Parameters("viewvis"), self.pBlend.FullName)

        # Leash --------------------------------------------
        aop.clsCtrOp(self.upv_ctl, self.mid0_ctl, [0])

        # IK Solver-----------------------------------------
        self.roll_ctl.Kinematics.AddConstraint("Position", self.ik_ref, False)

        self.ref_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl, True)
        self.end_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl, True)

        op = xsi.ApplyOp("SkeletonUpVector", self.ref_chn.bones[0].FullName+";"+self.upv_ctl.FullName)[0]
        par.addExpression(self.ref_chn.roll, self.pIkRoll.FullName + " + 180")
        op = xsi.ApplyOp("SkeletonUpVector", self.end_chn.bones[0].FullName+";"+self.upv_ctl.FullName)[0]
        par.addExpression(self.end_chn.roll, self.pIkRoll.FullName + " + 180")

        # ctrn
        for s in "xyz":
            par.addExpression(self.ctrn0_loc.Kinematics.Local.Parameters("rot" + s), self.ref_loc[1].Kinematics.Local.Parameters("rot" + s).FullName + " * .5")
            par.addExpression(self.ctrn0_loc.Kinematics.Global.Parameters("scl" + s), self.root.Kinematics.Global.Parameters("scl" + s).FullName)
            par.addExpression(self.ctrn1_loc.Kinematics.Local.Parameters("rot" + s), self.ref_loc[2].Kinematics.Local.Parameters("rot" + s).FullName + " * .5")
            par.addExpression(self.ctrn1_loc.Kinematics.Global.Parameters("scl" + s), self.root.Kinematics.Global.Parameters("scl" + s).FullName)

        self.ctrn0_loc.Kinematics.AddConstraint("Position", self.ref_loc[1], False)
        self.ctrn1_loc.Kinematics.AddConstraint("Position", self.ref_loc[2], False)

        # References Nulls ---------------------------------
        fk_ref = [self.fk0_ctl, self.fk1_ctl, self.fk2_ctl, self.fk_ref]
        ik_ref = [self.ref_chn.bones[0], self.ref_chn.bones[1], self.end_chn.bones[0], self.ik_ref]
        for i, ref_loc in enumerate(self.ref_loc):

            # fk
            cns = ref_loc.Kinematics.AddConstraint("Orientation", fk_ref[i], False)
            if i != len(self.ref_loc)-1:
                cns = aop.dirCns(ref_loc, fk_ref[i+1], None, False, self.n_sign+"xz")
                par.addExpression(cns.Parameters("blendweight"), "1 - " + self.pBlend.FullName)

            #ik
            cns = ref_loc.Kinematics.AddConstraint("Orientation", ik_ref[i], False)
            par.addExpression(cns.Parameters("blendweight"), self.pBlend.FullName)

            for s in "xyz":
                par.addExpression(ref_loc.Kinematics.Local.Parameters("rot"+s), 0)

        par.addExpression(self.ref_loc[1].Kinematics.Local.Parameters("posx"), self.n_sign+" (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"%(self.fk0_ctl.FullName, self.fk1_ctl.FullName, self.pBlend.FullName, self.ref_chn.bones[0].FullName, self.ref_chn.bones[1].FullName, self.pBlend.FullName))
        par.addExpression(self.ref_loc[2].Kinematics.Local.Parameters("posx"), self.n_sign+" (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"%(self.fk1_ctl.FullName, self.fk2_ctl.FullName, self.pBlend.FullName, self.ref_chn.bones[1].FullName, self.end_chn.bones[0], self.pBlend.FullName))
        par.addExpression(self.ref_loc[3].Kinematics.Local.Parameters("posx"), self.n_sign+" (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"%(self.fk2_ctl.FullName, self.fk3_ctl.FullName, self.pBlend.FullName, self.end_chn.bones[0].FullName, self.end_chn.eff, self.pBlend.FullName))

        # Twist references ---------------------------------
        par.addExpression(self.pDriver, "(ctr_dist(%s, %s) + ctr_dist(%s, %s) + ctr_dist(%s, %s)) / %s"
                                        %(self.tws0_loc.Kinematics.Global.FullName, self.tws1_loc.Kinematics.Global.FullName,
                                          self.tws1_loc.Kinematics.Global.FullName, self.tws2_loc.Kinematics.Global.FullName,
                                          self.tws2_loc.Kinematics.Global.FullName, self.tws3_loc.Kinematics.Global.FullName,
                                          self.root.Kinematics.Global.Parameters("sclx").FullName))

        self.tws1_loc.Kinematics.AddConstraint("Position", self.mid0_ctl)
        self.tws1_loc.Kinematics.AddConstraint("Scaling", self.mid0_ctl)
        self.tws1_rot.Kinematics.AddConstraint("Orientation", self.mid0_ctl)
        par.addExpression(self.tws1_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws1_rot.Parameters("roty"), 0)
        par.addExpression(self.tws1_rot.Parameters("rotz"), 0)

        self.tws2_loc.Kinematics.AddConstraint("Position", self.mid1_ctl)
        self.tws2_loc.Kinematics.AddConstraint("Scaling", self.mid1_ctl)
        self.tws2_rot.Kinematics.AddConstraint("Orientation", self.mid1_ctl)
        par.addExpression(self.tws2_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws2_rot.Parameters("roty"), 0)
        par.addExpression(self.tws2_rot.Parameters("rotz"), 0)

        self.tws3_loc.Kinematics.AddConstraint("Position", self.ref_loc[-1])
        #self.tws3_loc.Kinematics.AddConstraint("Scaling", self.eff_loc)
        aop.poseCns(self.tws3_rot, self.fk_ref, True, False, True, False)
        cns = aop.poseCns(self.tws3_rot, self.ik_ref, True, False, True, False)
        par.addExpression(cns.Parameters("blendweight"), self.pBlend.FullName)
        par.addExpression(self.tws3_rot.Parameters("rotx"), self.ik_ctl.Parameters("rotx").FullName + " * (1 - "+self.pBlend.FullName+") + " + self.fk3_ctl.Parameters("rotx").FullName + " * " + self.pBlend.FullName)
        par.addExpression(self.tws3_rot.Parameters("roty"), 0)
        par.addExpression(self.tws3_rot.Parameters("rotz"), 0)

        self.tws0_rot.SclX = .001
        par.addExpression(self.tws1_rot.SclX, self.pRoundness.FullName + " + .001")
        par.addExpression(self.tws2_rot.SclX, self.pRoundness.FullName + " + .001")
        self.tws3_rot.SclX = .001

        # Divisions ----------------------------------------
        # at 0 or 1 the division will follow exactly the rotation of the controler.. and we wont have this nice tangent + roll
        for i, div_cns in enumerate(self.div_cns):

            if i < (self.settings["div0"]+1):
                perc = i / ((self.settings["div0"]+1.0)*3)
            elif i < (self.settings["div0"]+self.settings["div1"]+2):
                perc = (1/3.0) + ((i-self.settings["div0"]-1.0) / ((self.settings["div1"]+1.0)*3))
            else:
                perc = (2/3.0) + ((i-self.settings["div0"]-self.settings["div1"]-2.0) / ((self.settings["div2"]+1.0)*3))

            perc = max(.001, min(.999, perc))

            if self.negate:
                op = aop.sn_rollsplinekine_op(div_cns, [self.tws3_rot, self.tws2_rot, self.tws1_rot, self.tws0_rot], 1-perc)
            else:
                op = aop.sn_rollsplinekine_op(div_cns, [self.tws0_rot, self.tws1_rot, self.tws2_rot, self.tws3_rot], perc)

            # Squash n Stretch
            op = aop.sn_squashstretch2_op(div_cns, self.root, self.pDriver.Value, "x")
            par.addExpression(op.Parameters("blend"), self.pVolume.FullName)
            par.addExpression(op.Parameters("driver"), self.pDriver.FullName)
            if self.options["mode"] == 1: # wip
                par.addExpression(op.Parameters("stretch"), self.pStretch[i])
                par.addExpression(op.Parameters("squash"), self.pSquash[i])
            else:
                op.Parameters("stretch").Value = self.st_value[i]
                op.Parameters("squash").Value = self.sq_value[i]
Ejemplo n.º 4
0
    def addOperators(self):

        # Visibilities -------------------------------------
        par.addExpression(
            self.fk0_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk1_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk2_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk3_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)

        par.addExpression(
            self.upv_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName)
        par.addExpression(
            self.ikcns_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName + " * " + self.pIkCns.FullName)
        par.addExpression(
            self.ik_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName)

        if self.settings["roll"] == 0:
            par.addExpression(
                self.roll_ctl.Properties("visibility").Parameters("viewvis"),
                self.pBlend.FullName)

        # Leash --------------------------------------------
        aop.clsCtrOp(self.upv_ctl, self.mid0_ctl, [0])

        # IK Solver-----------------------------------------
        if self.settings["roll"] == 0:
            self.ref_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl,
                                                      True)
            self.end_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl,
                                                      True)
        else:
            self.ref_chn.eff.Kinematics.AddConstraint("Pose", self.ik_ref,
                                                      True)
            self.end_chn.eff.Kinematics.AddConstraint("Pose", self.ik_ref,
                                                      True)

        op = xsi.ApplyOp(
            "SkeletonUpVector",
            self.ref_chn.bones[0].FullName + ";" + self.upv_ctl.FullName)[0]
        par.addExpression(self.ref_chn.roll, self.pIkRoll.FullName + " + 180")
        op = xsi.ApplyOp(
            "SkeletonUpVector",
            self.end_chn.bones[0].FullName + ";" + self.upv_ctl.FullName)[0]
        par.addExpression(self.end_chn.roll, self.pIkRoll.FullName + " + 180")

        # Roll
        #        cns = self.dir_ref.Kinematics.AddConstraint("Orientation", self.ik_ref, True)
        #        cns = aop.dirCns(self.dir_ref, self.root, None, False, "yz")
        #
        #        restLength = vec.getDistance(self.guide.apos[0], self.guide.apos[3])
        #        maxLength = self.ref_chn.length + self.end_chn.length
        #        par.addExpression(cns.Parameters("blendweight"), "MIN(1, MAX(0, (ctr_dist("+self.root.FullName+".kine.global, "+self.ik_ref.FullName+".kine.global) - "+str(restLength)+") / " \
        #                                                        +"("+str(maxLength - restLength)+")))")

        # ctrn
        for s in "xyz":
            par.addExpression(
                self.ctrn0_loc.Kinematics.Local.Parameters("rot" + s),
                self.ref_loc[1].Kinematics.Local.Parameters("rot" + s).FullName
                + " * .5")
            par.addExpression(
                self.ctrn0_loc.Kinematics.Global.Parameters("scl" + s),
                self.root.Kinematics.Global.Parameters("scl" + s).FullName)
            par.addExpression(
                self.ctrn1_loc.Kinematics.Local.Parameters("rot" + s),
                self.ref_loc[2].Kinematics.Local.Parameters("rot" + s).FullName
                + " * .5")
            par.addExpression(
                self.ctrn1_loc.Kinematics.Global.Parameters("scl" + s),
                self.root.Kinematics.Global.Parameters("scl" + s).FullName)

        self.ctrn0_loc.Kinematics.AddConstraint("Position", self.ref_loc[1],
                                                False)
        self.ctrn1_loc.Kinematics.AddConstraint("Position", self.ref_loc[2],
                                                False)

        # References Nulls ---------------------------------
        fk_ref = [
            self.fk0_ctl, self.fk1_ctl, self.fk2_ctl, self.fk3_ctl, self.fk_ref
        ]
        ik_ref = [
            self.ref_chn.bones[0], self.ref_chn.bones[1],
            self.end_chn.bones[0], self.ik_ref
        ]
        for i, ref_loc in enumerate(self.ref_loc):

            # fk
            cns = ref_loc.Kinematics.AddConstraint("Orientation", fk_ref[i],
                                                   False)
            if i != len(self.ref_loc) - 1:
                cns = aop.dirCns(ref_loc, fk_ref[i + 1], None, False,
                                 self.n_sign + "xz")
                par.addExpression(cns.Parameters("blendweight"),
                                  "1 - " + self.pBlend.FullName)

            #ik
            cns = ref_loc.Kinematics.AddConstraint("Orientation", ik_ref[i],
                                                   False)
            par.addExpression(cns.Parameters("blendweight"),
                              self.pBlend.FullName)

            for s in "xyz":
                par.addExpression(
                    ref_loc.Kinematics.Local.Parameters("rot" + s), 0)

        par.addExpression(
            self.ref_loc[1].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk0_ctl.FullName, self.fk1_ctl.FullName,
               self.pBlend.FullName, self.ref_chn.bones[0].FullName,
               self.ref_chn.bones[1].FullName, self.pBlend.FullName))
        par.addExpression(
            self.ref_loc[2].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk1_ctl.FullName, self.fk2_ctl.FullName,
               self.pBlend.FullName, self.ref_chn.bones[1].FullName,
               self.end_chn.bones[0], self.pBlend.FullName))
        par.addExpression(
            self.ref_loc[3].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk2_ctl.FullName, self.fk3_ctl.FullName,
               self.pBlend.FullName, self.end_chn.bones[0].FullName,
               self.end_chn.eff, self.pBlend.FullName))

        # Twist references ---------------------------------
        par.addExpression(
            self.pDriver,
            "ctr_dist(%s, %s) + ctr_dist(%s, %s) + ctr_dist(%s, %s)" %
            (self.tws0_loc.Kinematics.Global.FullName,
             self.tws1_loc.Kinematics.Global.FullName,
             self.tws1_loc.Kinematics.Global.FullName,
             self.tws2_loc.Kinematics.Global.FullName,
             self.tws2_loc.Kinematics.Global.FullName,
             self.tws3_loc.Kinematics.Global.FullName))

        self.tws1_loc.Kinematics.AddConstraint("Position", self.mid0_ctl)
        self.tws1_loc.Kinematics.AddConstraint("Scaling", self.mid0_ctl)
        self.tws1_rot.Kinematics.AddConstraint("Orientation", self.mid0_ctl)
        par.addExpression(self.tws1_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws1_rot.Parameters("roty"), 0)
        par.addExpression(self.tws1_rot.Parameters("rotz"), 0)

        self.tws2_loc.Kinematics.AddConstraint("Position", self.mid1_ctl)
        self.tws2_loc.Kinematics.AddConstraint("Scaling", self.mid1_ctl)
        self.tws2_rot.Kinematics.AddConstraint("Orientation", self.mid1_ctl)
        par.addExpression(self.tws2_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws2_rot.Parameters("roty"), 0)
        par.addExpression(self.tws2_rot.Parameters("rotz"), 0)

        self.tws3_loc.Kinematics.AddConstraint("Position", self.ref_loc[-1])
        #self.tws3_loc.Kinematics.AddConstraint("Scaling", self.eff_loc)
        aop.poseCns(self.tws3_rot, self.fk_ref, True, False, True, False)
        cns = aop.poseCns(self.tws3_rot, self.ik_ref, True, False, True, False)
        par.addExpression(cns.Parameters("blendweight"), self.pBlend.FullName)
        par.addExpression(
            self.tws3_rot.Parameters("rotx"),
            self.ik_ctl.Parameters("rotx").FullName + " * (1 - " +
            self.pBlend.FullName + ") + " +
            self.fk3_ctl.Parameters("rotx").FullName + " * " +
            self.pBlend.FullName)
        par.addExpression(self.tws3_rot.Parameters("roty"), 0)
        par.addExpression(self.tws3_rot.Parameters("rotz"), 0)

        self.tws0_rot.SclX = .001
        par.addExpression(self.tws1_rot.SclX,
                          self.pRoundness.FullName + " + .001")
        par.addExpression(self.tws2_rot.SclX,
                          self.pRoundness.FullName + " + .001")
        self.tws3_rot.SclX = .001

        # Divisions ----------------------------------------
        # at 0 or 1 the division will follow exactly the rotation of the controler.. and we wont have this nice tangent + roll
        step = 1.0 / (self.divisions - 1.0)
        for i, div_cns in enumerate(self.div_cns):

            perc = max(.001, min(.999, i * step))

            if self.negate:
                op = aop.sn_rollsplinekine_op(div_cns, [
                    self.tws3_rot, self.tws2_rot, self.tws1_rot, self.tws0_rot
                ], 1 - perc)
            else:
                op = aop.sn_rollsplinekine_op(div_cns, [
                    self.tws0_rot, self.tws1_rot, self.tws2_rot, self.tws3_rot
                ], perc)

            # Squash n Stretch
            op = aop.sn_squashstretch2_op(div_cns, self.root,
                                          self.pDriver.Value, "x")
            par.addExpression(op.Parameters("blend"), self.pVolume.FullName)
            par.addExpression(op.Parameters("driver"), self.pDriver.FullName)
            if self.options["mode"] == 1:  # wip
                par.addExpression(op.Parameters("stretch"), self.pStretch[i])
                par.addExpression(op.Parameters("squash"), self.pSquash[i])
            else:
                op.Parameters("stretch").Value = self.st_value[i]
                op.Parameters("squash").Value = self.sq_value[i]
Ejemplo n.º 5
0
    def addOperators(self):

        # Controlers Limits -------------------------------
        # pos_0 = self.crv[0].ActivePrimitive.Geometry.Curves(0).EvaluatePosition(0)[0]
        # pos_1 = self.crv[0].ActivePrimitive.Geometry.Curves(0).EvaluatePosition(4)[0]
        # pos_0 = XSIMath.MapObjectPositionToWorldSpace(self.crv[0].Kinematics.Global.Transform, pos_0)
        # pos_1 = XSIMath.MapObjectPositionToWorldSpace(self.crv[0].Kinematics.Global.Transform, pos_1)

        # lim_min = pos_0.Y - self.ctl[0].Kinematics.Global.Transform.Translation.Y
        # lim_max = pos_1.Y - self.ctl[0].Kinematics.Global.Transform.Translation.Y

        for ctl, crv, upv, centers, off, perc in zip(self.ctl, self.crv, self.upv, self.ctr, self.off, self.percentages):

            # crv_geo = crv.ActivePrimitive.Geometry
            # crv_0 = crv_geo.Curves(0)
            # crv_tra = crv.Kinematics.Global.Transform

            # Set Limits ----------------------------------
            par.setLimit(ctl, ["posy"], -1, 1)
            # ctl.Kinematics.Local.Parameters("posyminactive").Value = True
            # ctl.Kinematics.Local.Parameters("posymaxactive").Value = True
            # ctl.Kinematics.Local.Parameters("posyminlimit").Value = lim_min
            # ctl.Kinematics.Local.Parameters("posymaxlimit").Value = lim_max

            # Path Constraint -----------------------------
            constraints = []
            for ctr in centers:
                cns = aop.pathCns(ctr, crv, 0, perc, True, upv, False)
                ope.setConstraintTangency(cns, [0,1,0], [0,0,-1])
                constraints.append(cns)

            pos_min = "max(0,-%s)*%s"%(ctl.Kinematics.Local.Parameters("posy").FullName,perc)
            pos_max = "max(0,%s)*%s"%(ctl.Kinematics.Local.Parameters("posy").FullName,100-perc)
            par.addExpression(constraints[1].Parameters("perc"), "%s - %s + %s"%(perc,pos_min,pos_max))

            cns_perc = constraints[1].Parameters("perc").FullName
            par.addExpression(constraints[0].Parameters("perc"), cns_perc + " * .5 ")
            par.addExpression(constraints[2].Parameters("perc"), cns_perc + " + (100 - "+cns_perc+" ) * .5 ")

            # Connect Offset to Controler
            for s in "xz":
                par.addExpression(off.Kinematics.Local.Parameters("pos%s"%s), ctl.Kinematics.Local.Parameters("pos%s"%s).FullName+" * "+str(self.scale))
            for s in "yz":
                par.addExpression(off.Kinematics.Local.Parameters("rot%s"%s), ctl.Kinematics.Local.Parameters("rot%s"%s).FullName)
            for s in "x":
                par.addExpression(off.Kinematics.Local.Parameters("scl%s"%s), ctl.Kinematics.Local.Parameters("scl%s"%s).FullName)

        # Constrained Curve -------------------------------
        for i in range(self.crv_count):

            if i == self.inter_crv:
                centers = self.off
            else:
                centers = [ctr[i] for ctr in self.ctr]

            for ctr, pnts in zip(centers, [[0,1],[2],[3,4]]):
                aop.clsCtrOp(self.cns_crv[i], ctr, pnts)

        # Shadows -----------------------------------------
        constraints = []
        for i in range(self.shd_count):

            u = i/4.0
            for j in range(self.crv_count):

                if j == self.inter_crv:
                    cns = aop.pathCns(self.loc[j*self.shd_count+i], self.cns_crv[j], 1, u, True, None, False)
                    constraints.append(cns)
                else:
                    cns = aop.pathCns(self.loc[j*self.shd_count+i], self.cns_crv[j], 1, u, True, self.upv[0], False)



        # Connect Roll
        aop.gear_pointAtObjectAxis(constraints[0], self.ctl[0], [0,0,1])
        aop.spinePointAtOp(constraints[1], self.ctl[0], self.ctl[1], .5)
        aop.gear_pointAtObjectAxis(constraints[2], self.ctl[1], [0,0,1])
        aop.spinePointAtOp(constraints[3], self.ctl[1], self.ctl[2], .5)
        aop.gear_pointAtObjectAxis(constraints[4], self.ctl[2], [0,0,1])
Ejemplo n.º 6
0
    def addOperators(self):

        # Visibilities -------------------------------------
        par.addExpression(
            self.fk0_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk1_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk2_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)
        par.addExpression(
            self.fk3_ctl.Properties("visibility").Parameters("viewvis"),
            "1 - " + self.pBlend.FullName)

        par.addExpression(
            self.upv_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName)
        par.addExpression(
            self.ikcns_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName + " * " + self.pIkCns.FullName)
        par.addExpression(
            self.ik_ctl.Properties("visibility").Parameters("viewvis"),
            self.pBlend.FullName)

        if self.settings["roll"] == 0:
            par.addExpression(
                self.roll_ctl.Properties("visibility").Parameters("viewvis"),
                self.pBlend.FullName)

        # Leash --------------------------------------------
        aop.clsCtrOp(self.upv_ctl, self.mid0_ctl, [0])

        # IK Solver-----------------------------------------
        self.roll_ctl.Kinematics.AddConstraint("Position", self.ik_ref, False)

        self.ref_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl, True)
        self.end_chn.eff.Kinematics.AddConstraint("Pose", self.roll_ctl, True)

        op = xsi.ApplyOp(
            "SkeletonUpVector",
            self.ref_chn.bones[0].FullName + ";" + self.upv_ctl.FullName)[0]
        par.addExpression(self.ref_chn.roll, self.pIkRoll.FullName + " + 180")
        op = xsi.ApplyOp(
            "SkeletonUpVector",
            self.end_chn.bones[0].FullName + ";" + self.upv_ctl.FullName)[0]
        par.addExpression(self.end_chn.roll, self.pIkRoll.FullName + " + 180")

        # ctrn
        for s in "xyz":
            par.addExpression(
                self.ctrn0_loc.Kinematics.Local.Parameters("rot" + s),
                self.ref_loc[1].Kinematics.Local.Parameters("rot" + s).FullName
                + " * .5")
            par.addExpression(
                self.ctrn0_loc.Kinematics.Global.Parameters("scl" + s),
                self.root.Kinematics.Global.Parameters("scl" + s).FullName)
            par.addExpression(
                self.ctrn1_loc.Kinematics.Local.Parameters("rot" + s),
                self.ref_loc[2].Kinematics.Local.Parameters("rot" + s).FullName
                + " * .5")
            par.addExpression(
                self.ctrn1_loc.Kinematics.Global.Parameters("scl" + s),
                self.root.Kinematics.Global.Parameters("scl" + s).FullName)

        self.ctrn0_loc.Kinematics.AddConstraint("Position", self.ref_loc[1],
                                                False)
        self.ctrn1_loc.Kinematics.AddConstraint("Position", self.ref_loc[2],
                                                False)

        # References Nulls ---------------------------------
        fk_ref = [self.fk0_ctl, self.fk1_ctl, self.fk2_ctl, self.fk_ref]
        ik_ref = [
            self.ref_chn.bones[0], self.ref_chn.bones[1],
            self.end_chn.bones[0], self.ik_ref
        ]
        for i, ref_loc in enumerate(self.ref_loc):

            # fk
            cns = ref_loc.Kinematics.AddConstraint("Orientation", fk_ref[i],
                                                   False)
            if i != len(self.ref_loc) - 1:
                cns = aop.dirCns(ref_loc, fk_ref[i + 1], None, False,
                                 self.n_sign + "xz")
                par.addExpression(cns.Parameters("blendweight"),
                                  "1 - " + self.pBlend.FullName)

            #ik
            cns = ref_loc.Kinematics.AddConstraint("Orientation", ik_ref[i],
                                                   False)
            par.addExpression(cns.Parameters("blendweight"),
                              self.pBlend.FullName)

            for s in "xyz":
                par.addExpression(
                    ref_loc.Kinematics.Local.Parameters("rot" + s), 0)

        par.addExpression(
            self.ref_loc[1].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk0_ctl.FullName, self.fk1_ctl.FullName,
               self.pBlend.FullName, self.ref_chn.bones[0].FullName,
               self.ref_chn.bones[1].FullName, self.pBlend.FullName))
        par.addExpression(
            self.ref_loc[2].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk1_ctl.FullName, self.fk2_ctl.FullName,
               self.pBlend.FullName, self.ref_chn.bones[1].FullName,
               self.end_chn.bones[0], self.pBlend.FullName))
        par.addExpression(
            self.ref_loc[3].Kinematics.Local.Parameters("posx"), self.n_sign +
            " (ctr_dist(%s.kine.global, %s.kine.global) * (1 - %s) + ctr_dist(%s.kine.global, %s.kine.global) * %s)"
            % (self.fk2_ctl.FullName, self.fk3_ctl.FullName,
               self.pBlend.FullName, self.end_chn.bones[0].FullName,
               self.end_chn.eff, self.pBlend.FullName))

        # Global Scale
        for s in "xyz":
            par.addExpression(
                self.ref_loc[0].Kinematics.Global.Parameters("scl%s" % s), 1)
            par.addExpression(
                self.end_ref.Kinematics.Global.Parameters("scl%s" % s),
                self.root.Kinematics.Global.Parameters("scl%s" % s))

        # Twist references ---------------------------------
        par.addExpression(
            self.pDriver,
            "(ctr_dist(%s, %s) + ctr_dist(%s, %s) + ctr_dist(%s, %s)) / %s" %
            (self.tws0_loc.Kinematics.Global.FullName,
             self.tws1_loc.Kinematics.Global.FullName,
             self.tws1_loc.Kinematics.Global.FullName,
             self.tws2_loc.Kinematics.Global.FullName,
             self.tws2_loc.Kinematics.Global.FullName,
             self.tws3_loc.Kinematics.Global.FullName,
             self.root.Kinematics.Global.Parameters("sclx").FullName))

        self.tws0_loc.Kinematics.AddConstraint("Pose", self.root, True)
        aop.dirCns(self.tws0_loc, self.mid0_ctl, None, False,
                   self.n_sign + "xy")

        self.tws1_loc.Kinematics.AddConstraint("Position", self.mid0_ctl)
        self.tws1_loc.Kinematics.AddConstraint("Scaling", self.mid0_ctl)
        self.tws1_rot.Kinematics.AddConstraint("Orientation", self.mid0_ctl)
        par.addExpression(self.tws1_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws1_rot.Parameters("roty"), 0)
        par.addExpression(self.tws1_rot.Parameters("rotz"), 0)

        self.tws2_loc.Kinematics.AddConstraint("Position", self.mid1_ctl)
        self.tws2_loc.Kinematics.AddConstraint("Scaling", self.mid1_ctl)
        self.tws2_rot.Kinematics.AddConstraint("Orientation", self.mid1_ctl)
        par.addExpression(self.tws2_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws2_rot.Parameters("roty"), 0)
        par.addExpression(self.tws2_rot.Parameters("rotz"), 0)

        self.tws3_loc.Kinematics.AddConstraint("Position", self.ref_loc[-1])
        #self.tws3_loc.Kinematics.AddConstraint("Scaling", self.eff_loc)
        aop.poseCns(self.tws3_rot, self.fk_ref, False, False, True, False)
        cns = aop.poseCns(self.tws3_rot, self.ik_ref, True, False, True, False)
        par.addExpression(cns.Parameters("blendweight"), self.pBlend.FullName)
        par.addExpression(self.tws3_rot.Parameters("rotx"), 0)
        par.addExpression(self.tws3_rot.Parameters("roty"), 0)
        par.addExpression(self.tws3_rot.Parameters("rotz"), 0)
        par.setRotOrder(self.tws3_rot, "YZX")

        self.tws0_rot.SclX = .001
        par.addExpression(self.tws1_rot.SclX,
                          self.pRoundness.FullName + " + .001")
        par.addExpression(self.tws2_rot.SclX,
                          self.pRoundness.FullName + " + .001")
        self.tws3_rot.SclX = .001

        # Divisions ----------------------------------------
        # at 0 or 1 the division will follow exactly the rotation of the controler.. and we wont have this nice tangent + roll
        for i, div_cns in enumerate(self.div_cns):

            if i < (self.settings["div0"] + 1):
                perc = i / ((self.settings["div0"] + 1.0) * 3)
            elif i < (self.settings["div0"] + self.settings["div1"] + 2):
                perc = (1 / 3.0) + ((i - self.settings["div0"] - 1.0) /
                                    ((self.settings["div1"] + 1.0) * 3))
            else:
                perc = (2 / 3.0) + (
                    (i - self.settings["div0"] - self.settings["div1"] - 2.0) /
                    ((self.settings["div2"] + 1.0) * 3))

            perc = max(.001, min(.999, perc))

            if self.negate:
                op = aop.sn_rollsplinekine_op(div_cns, [
                    self.tws3_rot, self.tws2_rot, self.tws1_rot, self.tws0_rot
                ], 1 - perc)
            else:
                op = aop.sn_rollsplinekine_op(div_cns, [
                    self.tws0_rot, self.tws1_rot, self.tws2_rot, self.tws3_rot
                ], perc)

            # Squash n Stretch
            op = aop.sn_squashstretch2_op(div_cns, self.root,
                                          self.pDriver.Value, "x")
            par.addExpression(op.Parameters("blend"), self.pVolume.FullName)
            par.addExpression(op.Parameters("driver"), self.pDriver.FullName)
            if self.options["mode"] == 1:  # wip
                par.addExpression(op.Parameters("stretch"), self.pStretch[i])
                par.addExpression(op.Parameters("squash"), self.pSquash[i])
            else:
                op.Parameters("stretch").Value = self.st_value[i]
                op.Parameters("squash").Value = self.sq_value[i]
Ejemplo n.º 7
0
    def addOperators(self):

        # Controlers Limits -------------------------------
        # pos_0 = self.crv[0].ActivePrimitive.Geometry.Curves(0).EvaluatePosition(0)[0]
        # pos_1 = self.crv[0].ActivePrimitive.Geometry.Curves(0).EvaluatePosition(4)[0]
        # pos_0 = XSIMath.MapObjectPositionToWorldSpace(self.crv[0].Kinematics.Global.Transform, pos_0)
        # pos_1 = XSIMath.MapObjectPositionToWorldSpace(self.crv[0].Kinematics.Global.Transform, pos_1)

        # lim_min = pos_0.Y - self.ctl[0].Kinematics.Global.Transform.Translation.Y
        # lim_max = pos_1.Y - self.ctl[0].Kinematics.Global.Transform.Translation.Y

        for ctl, crv, upv, centers, off, perc in zip(self.ctl, self.crv,
                                                     self.upv, self.ctr,
                                                     self.off,
                                                     self.percentages):

            # crv_geo = crv.ActivePrimitive.Geometry
            # crv_0 = crv_geo.Curves(0)
            # crv_tra = crv.Kinematics.Global.Transform

            # Set Limits ----------------------------------
            par.setLimit(ctl, ["posy"], -1, 1)
            # ctl.Kinematics.Local.Parameters("posyminactive").Value = True
            # ctl.Kinematics.Local.Parameters("posymaxactive").Value = True
            # ctl.Kinematics.Local.Parameters("posyminlimit").Value = lim_min
            # ctl.Kinematics.Local.Parameters("posymaxlimit").Value = lim_max

            # Path Constraint -----------------------------
            constraints = []
            for ctr in centers:
                cns = aop.pathCns(ctr, crv, 0, perc, True, upv, False)
                ope.setConstraintTangency(cns, [0, 1, 0], [0, 0, -1])
                constraints.append(cns)

            pos_min = "max(0,-%s)*%s" % (
                ctl.Kinematics.Local.Parameters("posy").FullName, perc)
            pos_max = "max(0,%s)*%s" % (
                ctl.Kinematics.Local.Parameters("posy").FullName, 100 - perc)
            par.addExpression(constraints[1].Parameters("perc"),
                              "%s - %s + %s" % (perc, pos_min, pos_max))

            cns_perc = constraints[1].Parameters("perc").FullName
            par.addExpression(constraints[0].Parameters("perc"),
                              cns_perc + " * .5 ")
            par.addExpression(constraints[2].Parameters("perc"),
                              cns_perc + " + (100 - " + cns_perc + " ) * .5 ")

            # Connect Offset to Controler
            for s in "xz":
                par.addExpression(
                    off.Kinematics.Local.Parameters("pos%s" % s),
                    ctl.Kinematics.Local.Parameters("pos%s" % s).FullName +
                    " * " + str(self.scale))
            for s in "yz":
                par.addExpression(
                    off.Kinematics.Local.Parameters("rot%s" % s),
                    ctl.Kinematics.Local.Parameters("rot%s" % s).FullName)
            for s in "x":
                par.addExpression(
                    off.Kinematics.Local.Parameters("scl%s" % s),
                    ctl.Kinematics.Local.Parameters("scl%s" % s).FullName)

        # Constrained Curve -------------------------------
        for i in range(self.crv_count):

            if i == self.inter_crv:
                centers = self.off
            else:
                centers = [ctr[i] for ctr in self.ctr]

            for ctr, pnts in zip(centers, [[0, 1], [2], [3, 4]]):
                aop.clsCtrOp(self.cns_crv[i], ctr, pnts)

        # Shadows -----------------------------------------
        constraints = []
        for i in range(self.shd_count):

            u = i / 4.0
            for j in range(self.crv_count):

                if j == self.inter_crv:
                    cns = aop.pathCns(self.loc[j * self.shd_count + i],
                                      self.cns_crv[j], 1, u, True, None, False)
                    constraints.append(cns)
                else:
                    cns = aop.pathCns(self.loc[j * self.shd_count + i],
                                      self.cns_crv[j], 1, u, True, self.upv[0],
                                      False)

        # Connect Roll
        aop.gear_pointAtObjectAxis(constraints[0], self.ctl[0], [0, 0, 1])
        aop.spinePointAtOp(constraints[1], self.ctl[0], self.ctl[1], .5)
        aop.gear_pointAtObjectAxis(constraints[2], self.ctl[1], [0, 0, 1])
        aop.spinePointAtOp(constraints[3], self.ctl[1], self.ctl[2], .5)
        aop.gear_pointAtObjectAxis(constraints[4], self.ctl[2], [0, 0, 1])
Ejemplo n.º 8
0
    def addOperators(self):

        # Visibilities -------------------------------------
        if self.isFkIk:
            for fk_ctl in self.fk_ctl:
                par.addExpression(
                    fk_ctl.Properties("visibility").Parameters("viewvis"),
                    "1 - " + self.pBlend.FullName)

            par.addExpression(
                self.upv_ctl.Properties("visibility").Parameters("viewvis"),
                self.pBlend.FullName)
            par.addExpression(
                self.ikcns_ctl.Properties("visibility").Parameters("viewvis"),
                self.pBlend.FullName + " * " + self.pIkCns.FullName)
            par.addExpression(
                self.ik_ctl.Properties("visibility").Parameters("viewvis"),
                self.pBlend.FullName)

        # IK Chain -----------------------------------------
        if self.isIk:
            # Leash
            aop.clsCtrOp(self.upv_ctl, self.chain.bones[0], [0])

            # Constraint and up vector
            self.chain.eff.Kinematics.AddConstraint("Position", self.ik_ctl,
                                                    False)
            xsi.ApplyOp(
                "SkeletonUpVector",
                self.chain.bones[0].FullName + ";" + self.upv_ctl.FullName, 3,
                "siPersistentOperation", "", 0)

            par.addExpression(self.chain.roll, self.pRoll.FullName)

        # Chain of deformers -------------------------------
        for i, loc in enumerate(self.loc):

            if self.settings["type"] == 0:  # fk only
                loc.Kinematics.addConstraint("Pose", self.fk_ctl[i])

            elif self.settings["type"] == 1:  # ik only
                loc.Kinematics.addConstraint("Pose", self.chain.bones[i])

            elif self.settings["type"] == 2:  # fk/ik
                # orientation
                cns = loc.Kinematics.AddConstraint("Orientation",
                                                   self.fk_ctl[i])
                cns = loc.Kinematics.AddConstraint("Orientation",
                                                   self.chain.bones[i])
                par.addExpression(cns.Parameters("blendweight"),
                                  self.pBlend.FullName)

                # position / scaling
                for s in "xyz":
                    par.addExpression(
                        loc.Kinematics.Local.Parameters("pos%s" % s),
                        self.fk_ctl[i].Kinematics.Local.Parameters(
                            "pos%s" % s).FullName + " * (1 - " +
                        self.pBlend.FullName + ") + " +
                        self.chain.bones[i].Kinematics.Local.Parameters(
                            "pos%s" % s).FullName + " * " +
                        self.pBlend.FullName)
                    par.addExpression(
                        loc.Kinematics.Local.Parameters("scl%s" % s),
                        self.fk_ctl[i].Kinematics.Local.Parameters(
                            "scl%s" % s).FullName + " * (1 - " +
                        self.pBlend.FullName + ") + " +
                        self.chain.bones[i].Kinematics.Local.Parameters(
                            "scl%s" % s).FullName + " * " +
                        self.pBlend.FullName)

        # Default Values -----------------------------------
        if self.isFkIk:
            self.pBlend.Value = self.settings["blend"]