def addOperators(self): """Create operators and set the relations for the component rig Apply operators, constraints, expressions to the hierarchy. In order to keep the code clean and easier to debug, we shouldn't create any new object in this method. """ # Soft condition soft_cond_node = node.createConditionNode(self.soft_attr, 0.0001, 4, 0.0001, self.soft_attr) self.soft_attr_cond = soft_cond_node.outColorR if self.settings["ikSolver"]: self.ikSolver = "ikRPsolver" else: pm.mel.eval("ikSpringSolver;") self.ikSolver = "ikSpringSolver" # 1 bone chain Upv ref =============================== self.ikHandleUpvRef = primitive.addIkHandle( self.root, self.getName("ikHandleLegChainUpvRef"), self.legChainUpvRef, "ikSCsolver") pm.pointConstraint(self.ik_ctl, self.ikHandleUpvRef) pm.parentConstraint(self.legChainUpvRef[0], self.upv_cns, mo=True) # mid joints ================================================ for xjnt, midJ in zip(self.legBones[1:3], [self.mid1_jnt, self.mid2_jnt]): node.createPairBlend(None, xjnt, .5, 1, midJ) pm.connectAttr(xjnt + ".translate", midJ + ".translate", f=True) pm.parentConstraint(self.mid1_jnt, self.knee_lvl) pm.parentConstraint(self.mid2_jnt, self.ankle_lvl) # joint length multiply multJnt1_node = node.createMulNode(self.boneALenght_attr, self.boneALenghtMult_attr) multJnt2_node = node.createMulNode(self.boneBLenght_attr, self.boneBLenghtMult_attr) multJnt3_node = node.createMulNode(self.boneCLenght_attr, self.boneCLenghtMult_attr) # # IK 3 bones =============================================== self.ikHandle = primitive.addIkHandle(self.softblendLoc, self.getName("ik3BonesHandle"), self.chain3bones, self.ikSolver, self.upv_ctl) # TwistTest if [round(elem, 4) for elem in transform.getTranslation(self.chain3bones[1])] \ != [round(elem, 4) for elem in self.guide.apos[1]]: add_nodeTwist = node.createAddNode(180.0, self.roll_att) else: add_nodeTwist = node.createAddNode(0, self.roll_att) if self.negate: mulVal = 1 else: mulVal = -1 node.createMulNode(add_nodeTwist + ".output", mulVal, self.ikHandle.attr("twist")) # stable spring solver doble rotation pm.pointConstraint(self.root_ctl, self.chain3bones[0]) # softIK 3 bones operators applyop.aimCns(self.aim_tra, self.ik_ref, axis="zx", wupType=4, wupVector=[1, 0, 0], wupObject=self.root_ctl, maintainOffset=False) plusTotalLength_node = node.createPlusMinusAverage1D([ multJnt1_node.attr("outputX"), multJnt2_node.attr("outputX"), multJnt3_node.attr("outputX") ]) subtract1_node = node.createPlusMinusAverage1D( [plusTotalLength_node.attr("output1D"), self.soft_attr_cond], 2) distance1_node = node.createDistNode(self.ik_ref, self.aim_tra) div1_node = node.createDivNode(1.0, self.rig.global_ctl + ".sx") mult1_node = node.createMulNode(distance1_node + ".distance", div1_node + ".outputX") subtract2_node = node.createPlusMinusAverage1D( [mult1_node.attr("outputX"), subtract1_node.attr("output1D")], 2) div2_node = node.createDivNode(subtract2_node + ".output1D", self.soft_attr_cond) mult2_node = node.createMulNode(-1, div2_node + ".outputX") power_node = node.createPowNode(self.softSpeed_attr, mult2_node + ".outputX") mult3_node = node.createMulNode(self.soft_attr_cond, power_node + ".outputX") subtract3_node = node.createPlusMinusAverage1D([ plusTotalLength_node.attr("output1D"), mult3_node.attr("outputX") ], 2) cond1_node = node.createConditionNode( self.soft_attr_cond, 0, 2, subtract3_node + ".output1D", plusTotalLength_node + ".output1D") cond2_node = node.createConditionNode(mult1_node + ".outputX", subtract1_node + ".output1D", 2, cond1_node + ".outColorR", mult1_node + ".outputX") pm.connectAttr(cond2_node + ".outColorR", self.wristSoftIK + ".tz") # soft blend pc_node = pm.pointConstraint(self.wristSoftIK, self.ik_ref, self.softblendLoc) node.createReverseNode(self.stretch_attr, pc_node + ".target[0].targetWeight") pm.connectAttr(self.stretch_attr, pc_node + ".target[1].targetWeight", f=True) # Stretch distance2_node = node.createDistNode(self.softblendLoc, self.wristSoftIK) mult4_node = node.createMulNode(distance2_node + ".distance", div1_node + ".outputX") # bones for i, mulNode in enumerate( [multJnt1_node, multJnt2_node, multJnt3_node]): div3_node = node.createDivNode(mulNode + ".outputX", plusTotalLength_node + ".output1D") mult5_node = node.createMulNode(mult4_node + ".outputX", div3_node + ".outputX") mult6_node = node.createMulNode(self.stretch_attr, mult5_node + ".outputX") node.createPlusMinusAverage1D( [mulNode.attr("outputX"), mult6_node.attr("outputX")], 1, self.chain3bones[i + 1] + ".tx") # IK 2 bones =============================================== self.ikHandle2 = primitive.addIkHandle(self.softblendLoc2, self.getName("ik2BonesHandle"), self.chain2bones, self.ikSolver, self.upv_ctl) node.createMulNode(self.roll_att, mulVal, self.ikHandle2.attr("twist")) # stable spring solver doble rotation pm.pointConstraint(self.root_ctl, self.chain2bones[0]) parentc_node = pm.parentConstraint(self.ik2b_ikCtl_ref, self.ik2b_bone_ref, self.ik2b_blend) node.createReverseNode(self.fullIK_attr, parentc_node + ".target[0].targetWeight") pm.connectAttr(self.fullIK_attr, parentc_node + ".target[1].targetWeight", f=True) # softIK 2 bones operators applyop.aimCns(self.aim_tra2, self.ik2b_ik_ref, axis="zx", wupType=4, wupVector=[1, 0, 0], wupObject=self.root_ctl, maintainOffset=False) plusTotalLength_node = node.createPlusMinusAverage1D( [multJnt1_node.attr("outputX"), multJnt2_node.attr("outputX")]) subtract1_node = node.createPlusMinusAverage1D( [plusTotalLength_node.attr("output1D"), self.soft_attr_cond], 2) distance1_node = node.createDistNode(self.ik2b_ik_ref, self.aim_tra2) div1_node = node.createDivNode(1, self.rig.global_ctl + ".sx") mult1_node = node.createMulNode(distance1_node + ".distance", div1_node + ".outputX") subtract2_node = node.createPlusMinusAverage1D( [mult1_node.attr("outputX"), subtract1_node.attr("output1D")], 2) div2_node = node.createDivNode(subtract2_node + ".output1D", self.soft_attr_cond) mult2_node = node.createMulNode(-1, div2_node + ".outputX") power_node = node.createPowNode(self.softSpeed_attr, mult2_node + ".outputX") mult3_node = node.createMulNode(self.soft_attr_cond, power_node + ".outputX") subtract3_node = node.createPlusMinusAverage1D([ plusTotalLength_node.attr("output1D"), mult3_node.attr("outputX") ], 2) cond1_node = node.createConditionNode( self.soft_attr_cond, 0, 2, subtract3_node + ".output1D", plusTotalLength_node + ".output1D") cond2_node = node.createConditionNode(mult1_node + ".outputX", subtract1_node + ".output1D", 2, cond1_node + ".outColorR", mult1_node + ".outputX") pm.connectAttr(cond2_node + ".outColorR", self.ankleSoftIK + ".tz") # soft blend pc_node = pm.pointConstraint(self.ankleSoftIK, self.ik2b_ik_ref, self.softblendLoc2) node.createReverseNode(self.stretch_attr, pc_node + ".target[0].targetWeight") pm.connectAttr(self.stretch_attr, pc_node + ".target[1].targetWeight", f=True) # Stretch distance2_node = node.createDistNode(self.softblendLoc2, self.ankleSoftIK) mult4_node = node.createMulNode(distance2_node + ".distance", div1_node + ".outputX") for i, mulNode in enumerate([multJnt1_node, multJnt2_node]): div3_node = node.createDivNode(mulNode + ".outputX", plusTotalLength_node + ".output1D") mult5_node = node.createMulNode(mult4_node + ".outputX", div3_node + ".outputX") mult6_node = node.createMulNode(self.stretch_attr, mult5_node + ".outputX") node.createPlusMinusAverage1D( [mulNode.attr("outputX"), mult6_node.attr("outputX")], 1, self.chain2bones[i + 1] + ".tx") # IK/FK connections for i, x in enumerate(self.fk_ctl): pm.parentConstraint(x, self.legBonesFK[i], mo=True) for i, x in enumerate([self.chain2bones[0], self.chain2bones[1]]): pm.parentConstraint(x, self.legBonesIK[i], mo=True) pm.pointConstraint(self.ik2b_ik_ref, self.legBonesIK[2]) applyop.aimCns(self.legBonesIK[2], self.roll_ctl, axis="xy", wupType=4, wupVector=[0, 1, 0], wupObject=self.legBonesIK[1], maintainOffset=False) pm.connectAttr(self.chain3bones[-1].attr("tx"), self.legBonesIK[-1].attr("tx")) # foot twist roll pm.orientConstraint(self.ik_ref, self.legBonesIK[-1], mo=True) node.createMulNode(-1, self.chain3bones[-1].attr("tx"), self.ik2b_ik_ref.attr("tx")) for i, x in enumerate(self.legBones): node.createPairBlend(self.legBonesFK[i], self.legBonesIK[i], self.blend_att, 1, x) # Twist references ---------------------------------------- self.ikhArmRef, self.tmpCrv = applyop.splineIK( self.getName("legRollRef"), self.rollRef, parent=self.root, cParent=self.legBones[0]) initRound = .001 multVal = 1 multTangent_node = node.createMulNode(self.roundnessKnee_att, multVal) add_node = node.createAddNode(multTangent_node + ".outputX", initRound) pm.connectAttr(add_node + ".output", self.tws1_rot.attr("sx")) for x in ["translate"]: pm.connectAttr(self.knee_ctl.attr(x), self.tws1_loc.attr(x)) for x in "xy": pm.connectAttr(self.knee_ctl.attr("r" + x), self.tws1_loc.attr("r" + x)) multTangent_node = node.createMulNode(self.roundnessAnkle_att, multVal) add_node = node.createAddNode(multTangent_node + ".outputX", initRound) pm.connectAttr(add_node + ".output", self.tws2_rot.attr("sx")) for x in ["translate"]: pm.connectAttr(self.ankle_ctl.attr(x), self.tws2_loc.attr(x)) for x in "xy": pm.connectAttr(self.ankle_ctl.attr("r" + x), self.tws2_loc.attr("r" + x)) # Volume ------------------------------------------- distA_node = node.createDistNode(self.tws0_loc, self.tws1_loc) distB_node = node.createDistNode(self.tws1_loc, self.tws2_loc) distC_node = node.createDistNode(self.tws2_loc, self.tws3_loc) add_node = node.createAddNode(distA_node + ".distance", distB_node + ".distance") add_node2 = node.createAddNode(distC_node + ".distance", add_node + ".output") div_node = node.createDivNode(add_node2 + ".output", self.root_ctl.attr("sx")) # comp scaling dm_node = node.createDecomposeMatrixNode(self.root.attr("worldMatrix")) div_node2 = node.createDivNode(div_node + ".outputX", dm_node + ".outputScaleX") self.volDriver_att = div_node2 + ".outputX" # Flip Offset ---------------------------------------- pm.connectAttr(self.ankleFlipOffset_att, self.tws2_loc.attr("rz")) pm.connectAttr(self.kneeFlipOffset_att, self.tws1_loc.attr("rz")) # 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): subdiv = False if i == len(self.div_cns) - 1 or i == 0: subdiv = 45 else: subdiv = 45 if i < (self.settings["div0"] + 1): perc = i * .333 / (self.settings["div0"] + 1.0) elif i < (self.settings["div0"] + self.settings["div1"] + 2): perc = i * .333 / (self.settings["div0"] + 1.0) else: perc = (.5 + (i - self.settings["div0"] - 3.0) * .5 / (self.settings["div1"] + 1.0)) if i < (self.settings["div0"] + 2): perc = i * .333 / (self.settings["div0"] + 1.0) elif i < (self.settings["div0"] + self.settings["div1"] + 3): perc = (.333 + (i - self.settings["div0"] - 1) * .333 / (self.settings["div1"] + 1.0)) else: perc = ( .666 + (i - self.settings["div1"] - self.settings["div0"] - 2.0) * .333 / (self.settings["div2"] + 1.0)) # we neet to offset the ankle and knee point to force the bone # orientation to the nex bone span if perc == .333: perc = .3338 elif perc == .666: perc = .6669 perc = max(.001, min(.999, perc)) # Roll cts = [self.tws0_rot, self.tws1_rot, self.tws2_rot, self.tws3_rot] o_node = applyop.gear_rollsplinekine_op(div_cns, cts, perc, subdiv) pm.connectAttr(self.resample_att, o_node + ".resample") pm.connectAttr(self.absolute_att, o_node + ".absolute") # Squash n Stretch o_node = applyop.gear_squashstretch2_op( div_cns, None, pm.getAttr(self.volDriver_att), "x") pm.connectAttr(self.volume_att, o_node + ".blend") pm.connectAttr(self.volDriver_att, o_node + ".driver") pm.connectAttr(self.st_att[i], o_node + ".stretch") pm.connectAttr(self.sq_att[i], o_node + ".squash") # Visibilities ------------------------------------- # fk fkvis_node = node.createReverseNode(self.blend_att) for ctrl in self.fk_ctl: for shp in ctrl.getShapes(): pm.connectAttr(fkvis_node + ".outputX", shp.attr("visibility")) # ik for ctrl in [self.ik_ctl, self.roll_ctl]: for shp in ctrl.getShapes(): pm.connectAttr(self.blend_att, shp.attr("visibility")) # setup leg o_node scale compensate pm.connectAttr(self.rig.global_ctl + ".scale", self.setup + ".scale") return
def addOperators(self): """Create operators and set the relations for the component rig Apply operators, constraints, expressions to the hierarchy. In order to keep the code clean and easier to debug, we shouldn't create any new object in this method. """ dm_node_scl = node.createDecomposeMatrixNode(self.root.worldMatrix) if self.settings["keepLength"]: arclen_node = pm.arclen(self.mst_crv, ch=True) alAttr = pm.getAttr(arclen_node + ".arcLength") ration_node = node.createMulNode(self.length_ratio_att, alAttr) pm.addAttr(self.mst_crv, ln="length_ratio", k=True, w=True) node.createDivNode(arclen_node.arcLength, ration_node.outputX, self.mst_crv.length_ratio) div_node_scl = node.createDivNode(self.mst_crv.length_ratio, dm_node_scl.outputScaleX) step = 1.000 / (self.def_number - 1) u = 0.000 for i in range(self.def_number): cnsUpv = applyop.pathCns(self.upv_cns[i], self.upv_crv, cnsType=False, u=u, tangent=False) cns = applyop.pathCns(self.div_cns[i], self.mst_crv, False, u, True) # Connectiong the scale for scaling compensation for axis, AX in zip("xyz", "XYZ"): pm.connectAttr(dm_node_scl.attr("outputScale{}".format(AX)), self.div_cns[i].attr("s{}".format(axis))) if self.settings["keepLength"]: div_node2 = node.createDivNode(u, div_node_scl.outputX) cond_node = node.createConditionNode(div_node2.input1X, div_node2.outputX, 4, div_node2.input1X, div_node2.outputX) pm.connectAttr(cond_node + ".outColorR", cnsUpv + ".uValue") pm.connectAttr(cond_node + ".outColorR", cns + ".uValue") cns.setAttr("worldUpType", 1) cns.setAttr("frontAxis", 0) cns.setAttr("upAxis", 1) pm.connectAttr(self.upv_cns[i].attr("worldMatrix[0]"), cns.attr("worldUpMatrix")) u += step if self.settings["keepLength"]: # add the safty distance offset self.tweakTip_npo.attr("tx").set(self.off_dist) # connect vis line ref for shp in self.line_ref.getShapes(): pm.connectAttr(self.ikVis_att, shp.attr("visibility")) for ctl in self.tweak_ctl: for shp in ctl.getShapes(): pm.connectAttr(self.ikVis_att, shp.attr("visibility")) for ctl in self.fk_ctl: for shp in ctl.getShapes(): pm.connectAttr(self.fkVis_att, shp.attr("visibility"))