internal DigitalRunePointOnLineJoint(PointOnLineJointDescriptor descriptor)
        {
            WrappedPointOnLineJoint = new PointOnLineConstraint();

            #region set RigidBodies
            if (!(descriptor.RigidBodyA is RigidBody))
                throw new ArgumentException(String.Format("The type of the property 'RigidBodyA' must be '{0}'.", typeof(RigidBody)));
            WrappedPointOnLineJoint.BodyA = ((RigidBody)descriptor.RigidBodyA).WrappedRigidBody;
            _rigidBodyA = descriptor.RigidBodyA;

            if (!(descriptor.RigidBodyB is RigidBody))
                throw new ArgumentException("The type of the property 'RigidBodyB' must be 'System.Physics.DigitalRune.RigidBody'.");
            WrappedPointOnLineJoint.BodyB = ((RigidBody)descriptor.RigidBodyB).WrappedRigidBody;
            _rigidBodyB = descriptor.RigidBodyB;
            #endregion
            WrappedPointOnLineJoint.AnchorPositionALocal = descriptor.AnchorPositionALocal.ToDigitalRune();
            WrappedPointOnLineJoint.AxisALocal = descriptor.AxisALocal.ToDigitalRune();
            WrappedPointOnLineJoint.AnchorPositionBLocal = descriptor.AnchorPositionBLocal.ToDigitalRune();
            WrappedPointOnLineJoint.Maximum = descriptor.MaximumDistance;
            WrappedPointOnLineJoint.Minimum = descriptor.MinimumDistance; 


            Descriptor = descriptor;
        }
 public static IPointOnLineJoint CreatePointOnLineJoint(this IFactory<IConstraint> factory,
                                    PointOnLineJointDescriptor descriptor)
 {
     return factory.Create<IPointOnLineJoint, PointOnLineJointDescriptor>(descriptor);
 }
 public DefaultPointOnLineJoint(PointOnLineJointDescriptor descriptor)
 {
     Descriptor = descriptor;
 }