def create_arm_sys ( side = '_l_' ): if side == '_l_': ik_ctl = Controllers.ARM_LEFT clav_ctl = Controllers.CLAVICLE_LEFT clavicle_jnt = ArmLeftJoint.CLAVICLE clavicle_end = ArmLeftJoint.CLAVICLE_END shoulder_jnt = ArmLeftJoint.SHOULDER pv_ctl = Controllers.ARM_PV_LEFT else: ik_ctl = Controllers.ARM_RIGHT clav_ctl = Controllers.CLAVICLE_RIGHT clavicle_jnt = ArmRightJoint.CLAVICLE shoulder_jnt = ArmRightJoint.SHOULDER clavicle_end = ArmRightJoint.CLAVICLE_END pv_ctl = Controllers.ARM_PV_RIGHT name = 'arm' + side ########################## # # Clavicle Rig chest_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_chest_LOC' )[0] mc.delete ( mc.pointConstraint ( DriveJoints.CHEST, chest_loc ) ) mc.move ( 0, 5, 0, relative = True, objectSpace = True, worldSpaceDistance = True ) mc.parent ( chest_loc, 'arm' + side + 'holder_GRP' ) mc.parent ( 'arm' + side + 'origin_LOC', chest_loc ) colliar_ctl = rd.create_ctrl( 'sphere', clav_ctl, Scales.CLAVICLE, Colors.BLUE, obj_pos = clavicle_jnt ) colliar_group = rd.parent_group ( colliar_ctl, colliar_ctl.replace ( '_CTL', '_parent_to_chest_GRP' ) ) rd.parent_group ( colliar_ctl, colliar_ctl.replace ( '_CTL', '_CTL_GRP' ) ) mc.parent ( colliar_group, chest_loc ) fk_clavicle = rd.duplicate_bones ( clavicle_jnt, 'JNT1', 'DRV' ) colliar_jnt = fk_clavicle[0] name = name.replace ( 'start', 'end' ) mc.parent ( colliar_jnt, colliar_group ) ########################## # # Wrist Rig if side == '_l_': wrist_ctl = Controllers.WRIST_LEFT wrist_jnt = HandLeftJoint.WRIST else: wrist_ctl = Controllers.WRIST_RIGHT wrist_jnt = HandRightJoint.WRIST wrist_ctl = rd.create_ctrl( 'fist', wrist_ctl, Scales.HAND, Colors.BLUE, option_attr = 1, obj_pos = wrist_jnt ) rd.add_attr( wrist_ctl, 'ik', min_max = 'both', min_val = 0, max_val = 1 ) rd.add_attr( wrist_ctl, 'fk', min_max = 'both', min_val = 0, max_val = 1 ) node = mc.createNode ( 'reverse', name = wrist_ctl + '_RVS' ) mc.connectAttr ( wrist_ctl + '.ik', node + '.inputX' ) mc.connectAttr ( node + '.outputX', wrist_ctl + '.fk' ) mc.connectAttr ( wrist_ctl + '.ik', 'arm' + side + 'ik_fk_blend_LOC.ik' ) mc.setAttr ( wrist_ctl + '.fk', lock = True ) rd.add_attr( wrist_ctl, 'ik_vis', attr_type = 'bool' ) rd.add_attr( wrist_ctl, 'fk_vis', attr_type = 'bool' ) rd.add_attr( wrist_ctl, 'ribbon_vis', attr_type = 'bool' ) wrist_follow_gp = rd.parent_group ( wrist_ctl, wrist_ctl.replace ( '_CTL', '_follow_GRP' ) ) mc.orientConstraint( ik_ctl, wrist_follow_gp ) wrist_gp = rd.parent_group ( wrist_follow_gp, wrist_ctl.replace ( '_CTL', '_CTL_GRP' ) ) wrist_global_gp = rd.parent_group ( wrist_gp, wrist_gp.replace ( '_CTL_GRP', '_GRP' ) ) mc.parent ( wrist_global_gp, 'arm' + side + 'holder_GRP' ) mc.select ( shoulder_jnt.replace ( 'JNT', 'BLD'), replace = True ) child = mc.listRelatives ( children = True )[0] child = mc.listRelatives ( child, children = True )[0] mc.pointConstraint ( child, wrist_gp ) # pinky_ctl = rd.create_ctrl ( 'circle', pinky_ctl ) # rd.get_position ( pinky_jnt, 0, 1, 1 ) # mc.parent ( pinky_ctl, wrist_ctl ) # rd.parent_group ( pinky_ctl.replace ( '_CTL', '_CTL_GRP' ) ) ########################## # # Hand Rig -------------------> A REPRENDRE ET MODIFIER LA CA NE VA PAS ! REVOIR LE RIG DE BASE hand_bones = rd.duplicate_bones ( wrist_jnt, 'JNT1', 'DRV' ) mc.parent ( hand_bones[0], 'arm' + side + 'holder_GRP' ) mc.pointConstraint ( child, hand_bones[0] ) mc.orientConstraint ( wrist_ctl, hand_bones[0] ) for bone in hand_bones: mc.rename ( bone, bone.replace ( 'END1', 'DRV_END' ) ) if side == '_l_': fingers_list = [ HandLeftJoint.INDEX, HandLeftJoint.MIDDLE, HandLeftJoint.ANNULAR, HandLeftJoint.PINKY ] else: fingers_list = [ HandRightJoint.INDEX, HandRightJoint.MIDDLE, HandRightJoint.ANNULAR, HandRightJoint.PINKY ] for finger in fingers_list : finger_bones_list = mc.listRelatives ( finger.replace ( 'JNT', 'DRV' ), allDescendents = True ) finger_bones_list.append ( finger.replace ( 'JNT', 'DRV' ) ) finger_bones_list = list ( reversed ( finger_bones_list ) ) for finger_bone in finger_bones_list: mc.select ( finger_bone ) rd.parent_group ( finger_bone, finger_bone.replace ( 'DRV', 'up_GRP' ) ) rd.parent_group ( finger_bone, finger_bone.replace ( 'DRV', 'GRP' ) ) finger_ctl_list = [] for finger_bone in finger_bones_list: finger_ctl = rd.create_ctrl( 'diamond', finger_bone.replace ( '_DRV', '_CTL' ), Scales.FINGER, Colors.SOFT_BLUE, option_attr = True, obj_pos = finger_bone ) father = mc.listRelatives ( finger_bone, parent = True ) mc.parent ( finger_ctl, father ) mc.parent ( finger_bone, finger_ctl ) rd.add_attr( finger_ctl, 'Stretch' ) mc.setAttr ( finger_ctl + '.Stretch', 0 ) if len( mc.ls ( '*_END_CTL' ) ) > 0: mc.delete ( mc.ls ( '*_END_CTL' ) ) else: if side == '_l_' : mc.connectAttr ( finger_ctl + '.Stretch', finger_bone + '.translateX' ) elif side == '_r_' : reverse = mc.createNode ( 'reverse', name = finger_ctl.replace ( '_CTL', '_stretch_RVS' ) ) mc.connectAttr ( finger_ctl + '.Stretch', reverse + '.inputX' ) mc.connectAttr ( reverse + '.outputX', finger_bone + '.translateX' ) finger_ctl_list.append ( finger_ctl ) finger_01_list = mc.ls ( '*_01_CTL' ) for ctl in finger_ctl_list: if ctl in finger_01_list: rd.add_attr( ctl, 'Extra_CTL_vis', attr_type = 'bool' ) child_group = mc.listRelatives ( ctl, children = True, shapes = False )[1] mc.connectAttr ( ctl + '.Extra_CTL_vis', child_group + '.visibility' ) ########################## # # Other Elements for Arm Rig mc.select ( shoulder_jnt.replace ( 'JNT', 'IKJ' ) ) ik_elbow = mc.listRelatives ( children = True ) global_wrist_ori_loc = mc.spaceLocator ( name = 'arm' + side + 'global_wrist_ori_LOC' )[0] rd.get_position ( global_wrist_ori_loc, ik_elbow ) mc.parent ( global_wrist_ori_loc, 'arm' + side + 'holder_GRP' ) mc.move ( 0, 0, -1, relative = True, objectSpace = True, worldSpaceDistance = True ) hand_parent_global_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_global_LOC' )[0] mc.parent ( hand_parent_global_loc, 'arm' + side + 'holder_GRP' ) hand_parent_hip_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_hip_LOC' )[0] rd.get_position ( hand_parent_hip_loc, SpineJoint.ROOT, orient = False) mc.move ( 0, -5, 0, relative = True, objectSpace = True, worldSpaceDistance = True ) mc.parent ( hand_parent_hip_loc, 'arm' + side + 'holder_GRP' ) hand_parent_head_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_head_LOC' )[0] rd.get_position ( hand_parent_head_loc, SpineJoint.HEAD, orient = False ) mc.move ( 0, 15, 0, relative = True, objectSpace = True, worldSpaceDistance = True ) mc.parent ( hand_parent_head_loc, 'arm' + side + 'holder_GRP' ) hand_parent_object_up_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_object_up_LOC' )[0] rd.get_position ( hand_parent_object_up_loc, wrist_jnt ) mc.parent ( hand_parent_object_up_loc, 'arm' + side + 'holder_GRP' ) hand_parent_object_loc = mc.spaceLocator ( name = 'arm' + side + 'hand_parent_object_LOC' )[0] rd.get_position ( hand_parent_object_loc, wrist_jnt ) mc.parent ( hand_parent_object_loc, hand_parent_object_up_loc ) ########################## # # Other connections ik_fk_switch = [] ik_fk_switch.append ( mc.orientConstraint ( global_wrist_ori_loc, ik_ctl.replace ( 'CTL', 'elbow_CTL'), wrist_gp ) ) ik_fk_switch.append ( mc.orientConstraint ( hand_parent_global_loc, wrist_follow_gp, maintainOffset = True ) ) mc.pointConstraint ( clavicle_end, shoulder_jnt.replace ( 'JNT', 'IKJ') ) mc.pointConstraint ( clavicle_end, shoulder_jnt.replace ( 'JNT', 'FKJ') ) mc.orientConstraint ( ik_ctl.replace ( 'CTL', 'shoulder_CTL'), shoulder_jnt.replace ( 'JNT', 'FKJ') ) mc.orientConstraint ( clav_ctl, clavicle_jnt.replace ( 'JNT', 'DRV' ) ) mc.pointConstraint ( clav_ctl, clavicle_jnt.replace ( 'JNT', 'DRV' ) ) mc.pointConstraint ( clavicle_end, shoulder_jnt.replace ( 'JNT', 'BLD') ) rd.get_position( 'arm' + side + 'Stretch_01_LOC', clavicle_end ) mc.parent ( 'arm' + side + 'Stretch_01_LOC', clavicle_end ) rd.get_position ( 'arm' + side + 'Stretch_02_LOC', ik_ctl.replace ( 'CTL', 'IKH' ) ) mc.parent ( 'arm' + side + 'Stretch_02_LOC', ik_ctl.replace ( 'CTL', 'IKH' ) ) constraint = ( mc.parentConstraint( ik_ctl, hand_parent_global_loc, pv_ctl.replace ( 'CTL', 'GRP'), maintainOffset = True ) )[0] rd.add_attr( pv_ctl, 'PV_follow', attr_type = 'enum', enum = ['hand','global'] ) rvs = mc.createNode ( 'reverse', name = pv_ctl.replace ( '_CTL', '_follow_RVS' ) ) mc.connectAttr ( pv_ctl + '.PV_follow', rvs + '.inputX' ) mc.connectAttr ( pv_ctl + '.PV_follow', constraint + '.' + mc.listConnections ( constraint + '.target[1].targetParentMatrix', d = 0, s = 1 )[0] + 'W1' ) mc.connectAttr ( rvs + '.outputX', constraint + '.' + mc.listConnections ( constraint + '.target[0].targetParentMatrix', d = 0, s = 1 )[0] + 'W0' ) ########################## # # Arm IK/FK switch Rig for obj in ik_fk_switch : mc.connectAttr ( wrist_ctl + '.ik' , obj[0] + '.' + mc.listConnections ( obj[0] + '.target[0].targetParentMatrix', d = 0, s = 1 )[0] + 'W0' ) mc.connectAttr ( wrist_ctl + '.fk' , obj[0] + '.' + mc.listConnections ( obj[0] + '.target[1].targetParentMatrix', d = 0, s = 1 )[0] + 'W1' )
def create_arm_leg ( part = 'arm', side = '_l_' ): if mc.objExists( Controllers.CHEST ): print "SPINE ALREADY exists" else: create_neck () if side == '_l_': if part == 'arm': pv_ctl = Controllers.ARM_PV_LEFT ik_ctl = Controllers.ARM_LEFT shoulder_jnt = ArmLeftJoint.SHOULDER clavicle_end = ArmLeftJoint.CLAVICLE_END else: pv_ctl = Controllers.LEG_PV_LEFT ik_ctl = Controllers.LEG_LEFT shoulder_jnt = LegLeftJoint.THIGH else: if part == 'arm': pv_ctl = Controllers.ARM_PV_RIGHT ik_ctl = Controllers.ARM_RIGHT shoulder_jnt = ArmRightJoint.SHOULDER clavicle_end = ArmRightJoint.CLAVICLE_END else: pv_ctl = Controllers.LEG_PV_RIGHT ik_ctl = Controllers.LEG_RIGHT shoulder_jnt = LegRightJoint.THIGH name = part + side ########################## # # IK Rig ik_arm = rd.duplicate_bones ( shoulder_jnt, 'JNT1', 'IKJ' ) arm_group = mc.group ( empty = True, name = name + 'holder_GRP' ) mc.parent ( ik_arm[0], arm_group ) mc.parent ( arm_group, Controllers.GLOBAL ) mc.select ( arm_group, replace = True ) mc.addAttr ( longName = 'global_scale_solver', attributeType = 'float' ) mc.connectAttr ( Controllers.GLOBAL + '.Scale', arm_group + '.global_scale_solver' ) arm_ctl = rd.create_ctrl( obj_type = 'cube', name = ik_ctl, size = Scales.IK, color = Colors.RED, option_attr = True, obj_pos = ik_arm[2] ) mc.parent ( arm_ctl, arm_group ) rd.parent_group( arm_ctl, arm_ctl.replace ( 'CTL', 'up_CTL_GRP' ) ) rd.parent_group ( arm_ctl, arm_ctl.replace ( 'CTL', 'CTL_GRP' ) ) rd.add_attr( arm_ctl, 'parent_hand_to', attr_type = 'enum', enum = ['global', 'hip', 'chest', 'head', 'object'] ) rd.add_attr( arm_ctl, 'stretch', attr_type = 'bool' ) rd.add_attr( arm_ctl, 'roll' ) mc.setAttr ( arm_ctl + '.roll', 0 ) arm_ik_old = mc.ikHandle ( name = arm_ctl.replace ( 'CTL', 'IKH' ), startJoint = ik_arm[0], endEffector = ik_arm[2], solver = 'ikRPsolver' ) mc.rename ( arm_ik_old[1], arm_ik_old[0].replace ( 'IKH', 'EFF' ) ) arm_ik = arm_ik_old[0] mc.connectAttr ( arm_ctl + '.roll', arm_ik + '.twist' ) mc.parent ( arm_ik, arm_ctl ) pv_loc = rd.create_pv() mc.move ( 62.266315, 0, 0, relative = True, objectSpace = True, worldSpaceDistance = True ) mc.parent ( pv_loc, arm_group ) pv_gp = rd.parent_group ( pv_loc, pv_loc.replace ( 'pv_LOC', 'pv_GRP' ) ) mc.select ( arm_ik, add = True ) pv_ctl = rd.create_ctrl( 'sphere', pv_ctl, Scales.PV, Colors.RED, obj_pos = pv_loc ) mc.poleVectorConstraint ( pv_ctl, arm_ik ) mc.parent ( pv_ctl, pv_gp ) mc.delete ( pv_loc ) ########################## # # FK Rig fk_arm = rd.duplicate_bones ( shoulder_jnt, 'JNT1', 'FKJ' ) print 'FK ARM' print fk_arm arm_fk_loc = mc.rename ( mc.spaceLocator()[0], part + side + 'origin_LOC' ) rd.get_position ( arm_fk_loc, fk_arm[0], 0, 1, 0 ) if part == '_l_': mc.pointConstraint ( clavicle_end, arm_fk_loc ) mc.parent ( arm_fk_loc, arm_group ) if side == '_l_': if part == 'arm': arm_fk_ctl = ik_ctl.replace ( 'CTL', 'shoulder_CTL') else: arm_fk_ctl = ik_ctl.replace ( 'CTL', 'thigh_CTL') else: if part == 'arm': arm_fk_ctl = ik_ctl.replace ( 'CTL', 'shoulder_CTL') else: arm_fk_ctl = ik_ctl.replace ( 'CTL', 'thigh_CTL') arm_fk_ctl = rd.create_ctrl ( 'circle', arm_fk_ctl, Scales.FK, Colors.BLUE, option_attr = 1, obj_pos = fk_arm[0] ) rd.add_attr( arm_fk_ctl, 'Stretch' ) rd.add_attr( arm_fk_ctl, 'Gimbal_CTL_Vis', attr_type = 'bool' ) rd.add_attr( arm_fk_ctl, 'Arm_Orient_By', attr_type = 'enum', enum = ['chest','global'] ) mc.setAttr ( arm_fk_ctl + '.Stretch', 1 ) arm_fk_gimbal_ctl = rd.create_ctrl ( 'circle', arm_fk_ctl.replace ( '_CTL', '_gimbal_CTL' ), Scales.GIMBAL, Colors.YELLOW, obj_pos = fk_arm[0] ) mc.parent ( arm_fk_gimbal_ctl, arm_fk_loc ) mc.connectAttr ( arm_fk_ctl + '.Gimbal_CTL_Vis', arm_fk_gimbal_ctl + 'Shape.visibility' ) rd.parent_group ( arm_fk_gimbal_ctl, arm_fk_gimbal_ctl.replace ( '_gimbal_CTL', '_GRP' ) ) mc.parent ( arm_fk_ctl, arm_fk_gimbal_ctl ) if side == '_l_': elbow_fk_ctl = ik_ctl.replace ( 'CTL', 'elbow_CTL') else: elbow_fk_ctl = ik_ctl.replace ( 'CTL', 'elbow_CTL') elbow_fk_ctl = rd.create_ctrl ( 'circle', elbow_fk_ctl, Scales.FK, Colors.BLUE, option_attr = 1, obj_pos = fk_arm[1] ) rd.add_attr( elbow_fk_ctl, 'Stretch' ) mc.setAttr ( elbow_fk_ctl + '.Stretch', 1 ) elbow_fk_ctl_group = rd.parent_group ( elbow_fk_ctl, elbow_fk_ctl.replace ( '_CTL', '_CTL_GRP' ) ) mc.parent ( elbow_fk_ctl_group, arm_fk_ctl ) mc.parent ( fk_arm[0], arm_group ) print 'FK ARM [0]' print ( fk_arm[0] ) mc.connectAttr ( arm_fk_ctl + '.Stretch', fk_arm[0] + '.scaleX' ) mc.orientConstraint ( elbow_fk_ctl, fk_arm[1] ) mc.connectAttr ( elbow_fk_ctl + '.Stretch', fk_arm[1] + '.scaleX' ) mc.pointConstraint ( fk_arm[1], elbow_fk_ctl_group ) ########################## # # Arm IK/FK blend Rig blend_arm = rd.duplicate_bones ( shoulder_jnt, 'JNT1', 'BLD' ) mc.parent ( blend_arm[0], arm_group ) ik_fk_switch = [] ik_fk_switch.append ( mc.orientConstraint ( ik_arm[0], fk_arm[0], blend_arm[0] )) ik_fk_switch.append ( mc.parentConstraint ( ik_arm[1], fk_arm[1], blend_arm[1] )) ik_fk_switch.append ( mc.parentConstraint ( ik_arm[2], fk_arm[2], blend_arm[2] )) ########################## # # Ribbons arm_fol_group = mc.group ( name = part + side + 'holder_arm_GRP', empty = True ) ribbon_ctrl = rd.create_ctrl( 'circle', part + side + 'ribbon_CTL', Scales.RIBBON_CTRL, Colors.YELLOW, option_attr = True, obj_pos = blend_arm[1] ) rd.add_attr(ribbon_ctrl, 'Elbow_lock', 'float', min_max = 'both', min_val = 0 , max_val = 1) mc.setAttr ( ribbon_ctrl + '.Elbow_lock', 0) ribbon_ctrl_group = rd.parent_group ( ribbon_ctrl, ribbon_ctrl.replace ( 'CTL', 'GRP' ) ) mc.parent ( ribbon_ctrl_group, arm_fol_group ) ribbon_constraint = mc.parentConstraint ( blend_arm[1], pv_ctl, ribbon_ctrl_group ) node = mc.createNode ( 'reverse', name = ribbon_ctrl.replace ( '_CTL', '_RVS' ) ) mc.connectAttr ( ribbon_ctrl + '.Elbow_lock', node + '.inputX' ) slot_1 = mc.listConnections ( ribbon_constraint[0] + '.target[0].targetParentMatrix', d = 0, s = 1 ) slot_2 = mc.listConnections ( ribbon_constraint[0] + '.target[1].targetParentMatrix', d = 0, s = 1 ) mc.connectAttr ( ribbon_ctrl + '.Elbow_lock' , ribbon_constraint[0] + '.' + slot_2[0] + 'W1' ) mc.connectAttr ( node + '.outputX' , ribbon_constraint[0] + '.' + slot_1[0] + 'W0' ) if part == 'arm': member01 = '_shoulder_' member02 = '_elbow_' else: member01 = '_thigh_' member02 = '_knee_' rd.create_ribbon(part, side, member01, blend_arm[0], ribbon_ctrl, arm_fol_group, Scales.RIBBON, Colors.YELLOW) rd.create_ribbon(part, side, member02, ribbon_ctrl, blend_arm[2], arm_fol_group, Scales.RIBBON, Colors.YELLOW) ########################## # # Ik fk blend ik_loc = mc.spaceLocator( name = part + side + 'ik_fk_blend_LOC' )[0] mc.parent ( ik_loc, arm_group ) rd.add_attr( ik_loc, 'ik', min_max = 'both', min_val = 0, max_val = 1 ) rd.add_attr( ik_loc, 'fk', min_max = 'both', min_val = 0, max_val = 1 ) node = mc.createNode ( 'reverse', name = ik_loc + '_RVS' ) mc.connectAttr ( ik_loc + '.ik', node + '.inputX' ) mc.connectAttr ( node + '.outputX', ik_loc + '.fk' ) mc.setAttr ( ik_loc + '.fk', lock = True ) for obj in ik_fk_switch : slot_1 = mc.listConnections ( obj[0] + '.target[0].targetParentMatrix', d = 0, s = 1 ) slot_2 = mc.listConnections ( obj[0] + '.target[1].targetParentMatrix', d = 0, s = 1 ) mc.connectAttr ( ik_loc + '.ik' , obj[0] + '.' + slot_1[0] + 'W0' ) mc.connectAttr ( ik_loc + '.fk' , obj[0] + '.' + slot_2[0] + 'W1' ) ########################## # # Ik stretch if part == 'arm': if side == '_l_': num = 209 else: num = 210 else: if side == '_l_': num = 211 else: num = 212 dim = mc.distanceDimension( startPoint = [0, num, 0], endPoint = [0, num, 1]) mc.parent ( dim, arm_group ) locs = mc.listConnections( dim, source = True ) print 'LOCS ========' print locs mc.rename ( locs[0], part + side + 'Stretch_01_LOC' ) mc.rename ( locs[1], part + side + 'Stretch_02_LOC' ) dim = mc.rename ( dim, part + side + 'DIST' ) mdn_01 = mc.createNode ( 'multiplyDivide', name = part + side + '01_MDN' ) mdn_02 = mc.createNode ( 'multiplyDivide', name = part + side + '02_MDN') cnd_01 = mc.createNode ( 'condition', name = part + side + '01_CND' ) cnd_02 = mc.createNode ( 'condition', name = part + side + '02_CND' ) mc.connectAttr ( dim + '.distance', mdn_01 + '.input1X' ) mc.setAttr ( mdn_01 + '.input2X', mc.getAttr ( ik_arm[1] + '.translateX' ) + mc.getAttr ( ik_arm[2] + '.translateX' ) ) mc.setAttr ( mdn_01 + '.operation', 2 ) mc.connectAttr ( mdn_01 + '.outputX', mdn_02 + '.input1X' ) mc.connectAttr ( arm_group + '.global_scale_solver', mdn_02 + '.input2X' ) mc.setAttr ( mdn_02 + '.operation', 2 ) mc.connectAttr ( mdn_02 + '.outputX', cnd_01 + '.firstTerm' ) mc.setAttr ( cnd_01 + '.secondTerm', 1 ) mc.setAttr ( cnd_01 + '.operation', 2 ) mc.connectAttr ( mdn_02 + '.outputX', cnd_01 + '.colorIfTrueR' ) mc.setAttr ( cnd_01 + '.colorIfFalseR', 1 ) mc.connectAttr ( ik_ctl + '.stretch', cnd_02 + '.firstTerm' ) mc.setAttr ( cnd_02 + '.secondTerm', 1 ) mc.setAttr ( cnd_02 + '.operation', 0 ) mc.setAttr ( cnd_02 + '.colorIfFalseR', 1 ) mc.connectAttr ( cnd_01 + '.outColorR', cnd_02 + '.colorIfTrueR' ) mc.connectAttr ( cnd_02 + '.outColorR', ik_arm[0] + '.scaleX' ) mc.connectAttr ( cnd_02 + '.outColorR', ik_arm[1] + '.scaleX' )