Original problem was I was trying to steer an ObjectContainer3D with pivot.moveForward(1) pivot.rotationY += 1 which makes the rotation lock up?
found I needed to do pivot.moveForward(1); var _matrix3D:Matrix3D = pivot.transform.matrix3D; _matrix3D.appendRotation(1, _matrix3D.deltaTransformVector(new Vector3D(0,0,1)), pivot.position); anyhoo solved.
