def createConstraintBySelection(pActive, pType, pSnap, pLock):
'''
To allow users to query what is their existing selection
and base the constraint nature as Maya's Child-first, Parent-later.
pActive : True = Constraint On, False = Not On
pType : Constraint Type
pLock : True = Locked, False = Not Locked
'''
lModels = fb.FBModelList()
fb.FBGetSelectedModels(lModels, None, True, True)
for s in lModels:
print s.Name
# Here we are doing a check if there are 2 objects in selection, or if != 2, then throw an error window
lSelectedObj = [
fb.FBFindObjectByFullName(model.FullName) for model in lModels
]
# If two objects are selected, create the constraint
if len(lSelectedObj) == 2:
Con = fb.FBConstraintManager().TypeCreateConstraint(pType)
Con.Name = "Child-" + str([lModels[0].Name]) + "_to_Parent-" + str(
[lModels[1].Name]) + "-mToolbox"
Con.ReferenceAdd(0, lModels[0])
Con.ReferenceAdd(1, lModels[1])
if pSnap == True:
Con.Snap()
Con.Active = pActive
Con.Lock = pLock
# If selection is not 2, error message.
elif len(lSelectedObj) != 2:
fb.FBMessageBox(
"Error", "Can't create constraint, Please select only two objects",
"OK")
def three_point_constraint(self):
selected = vmobu.core.get_selection_order()
pconstraint = pyfbsdk.FBConstraintManager().TypeCreateConstraint(9)
for i in range(len(selected)):
if i == 0:
pconstraint.ReferenceAdd(1, selected[i])
else:
pconstraint.ReferenceAdd(0, selected[i])
def run():
One_Point_Constraint().create_null_object()
null_vector = pyfbsdk.FBVector3d()
constrain_null.GetVector(
null_vector, pyfbsdk.FBModelTransformationType.kModelTranslation)
constrain_null.GetVector(null_vector,
pyfbsdk.FBModelTransformationType.kModelRotation)
child_obj.Parent = constrain_null
selected = vmobu.core.get_selection_order()
constraint_pc = pyfbsdk.FBConstraintManager().TypeCreateConstraint(3)
constraint_pc.Name = "OnePointConst"
constraint_pc.ReferenceAdd(1, parent_obj)
constraint_pc.ReferenceAdd(0, constrain_null)
constraint_pc.Snap()
def create_constraint(constraint_type, name=None):
"""
Creates a constraint with the given type
:param constraint_type: str, constraint type found in CONSTRAINT_TYPES
:param name: str, optional name to give to constraint.
:return:
"""
try:
constraint = pyfbsdk.FBConstraintManager().TypeCreateConstraint(
pyfbsdk.kConstraintTypes[constraint_type])
except KeyError:
raise Exception(
'Invalid constraint type given: "{}"'.format(constraint_type))
pyfbsdk.FBSystem().Scene.Constraints.append(constraint)
if name:
constraint.Name = name
return constraint
#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""
Module that contains functions and classes related with constraints for MotionBuilder
"""
from __future__ import print_function, division, absolute_import
import logging
import pyfbsdk
logger = logging.getLogger('tpDcc-dccs-mobu')
CONSTRAINT_TYPES = dict(
(pyfbsdk.FBConstraintManager().TypeGetName(i), i)
for i in range(pyfbsdk.FBConstraintManager().TypeGetCount()))
def get_constraint_by_name(name, include_namespace=True):
"""
Returns a constraint that matches given long name
:param name: str, name of the constraint
:param include_namespace: bool, Whether or not to include node namespace
:return:
"""
for constraint in pyfbsdk.FBSystem().Scene.Constraints:
constraint_name = constraint.LongName if include_namespace else constraint.Name
if name != constraint_name:
continue
