def GenericConstraint(constraintType,
parent,
child,
active=True,
snap=False,
zero=True):
constraint = FBConstraintManager().TypeCreateConstraint(constraintType)
if not isinstance(parent, list) and not isinstance(
parent, FBPropertyListComponent):
parent = [parent]
constraint.Name = constraintType + "_" + child.Name + "_to_" + parent[
0].Name
if constraintType == "Parent/Child":
SetConstraintReference(constraint, child, "Constrained object (Child)")
else:
SetConstraintReference(constraint, child, "Constrained Object")
for obj in parent:
if constraintType == "Parent/Child":
SetConstraintReference(constraint, obj, "Source (Parent)")
else:
SetConstraintReference(constraint, obj, "Source")
if snap:
constraint.snap()
if zero:
if constraintType == "Position" or constraintType == "Parent/Child":
SetGlobalRotation(child, GetGlobalRotation(parent[0]))
if constraintType == "Rotation" or constraintType == "Parent/Child":
SetGlobalRotation(child, GetGlobalRotation(parent[0]))
constraint.Active = active
constraint.Lock = True
return constraint
def CreateConstraint(_type, name=None):
"""
Create a constraint with the given type and optionally with a name
@param _type: name of constraint type found in kConstraintTypes
@param name: name to give constraint. Default is used if None
"""
try:
constraint = FBConstraintManager().TypeCreateConstraint(kConstraintTypes[_type])
except KeyError:
raise Exception("Invalid constraint type '%s'" % _type)
FBSystem().Scene.Constraints.append(constraint)
if name:
constraint.Name = name
return ConvertToPMBConstraint(constraint)
def AimConstrain(constrainedObject,
aimAtObject,
worldUpObject=None,
active=True,
snap=False):
constraint = FBConstraintManager().TypeCreateConstraint("Aim")
constraint.Name = "Aim_" + constrainedObject.Name + "_to_" + aimAtObject.Name
SetConstraintReference(constraint, constrainedObject, "Constrained Object")
SetConstraintReference(constraint, aimAtObject, "Aim At Object")
if worldUpObject:
SetConstraintReference(constraint, worldUpObject, "World Up Object")
if snap:
constraint.snap()
else:
constraint.Active = active
constraint.Lock = True
return constraint
def CreateConstraint(_type, name=None):
'''
Create a constraint with the given type and optionally with a name
@param _type: name of constraint type found in kConstraintTypes
@param name: name to give constraint. Default is used if None
'''
try:
constraint = FBConstraintManager().TypeCreateConstraint(
kConstraintTypes[_type])
except KeyError:
raise Exception("Invalid constraint type '%s'" % _type)
FBSystem().Scene.Constraints.append(constraint)
if name:
constraint.Name = name
return ConvertToPMBConstraint(constraint)
def RelationConstrain(name=None):
constraint = FBConstraintManager().TypeCreateConstraint("Relation")
if name:
constraint.Name = name
return constraint