A constraint which makes the constrained object track the target and
also locks on of the object's axes.
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 locked track
constraints. Default is true.
The axis of the constrained object that is locked. Can be one of
the "X", "Y", "Z". Default is "Y".
The axis of the constrained object that tracks the target. Can be
one of the "X", "-X", "Y", "-Y", "Z", "-Z". Default is "X".
# .type : String
The constraint's type. Equals to "LockedTrackConstraint".