A constraint which makes the constrained object behave like a child
of the target object without actual parenting.
Constraints are used to set up various relations between objects by
affecting their position, rotation and scale. Can be used with the
Used to check whether this or derived classes are childOf constraints. Default is true.
The offset matrix for the constrained object. Applied in the parent space. Default is the identity matrix.
The constraint's type. Equals to "ChildOfConstraint".