public void StepTest7()
{
Scene scene = new Scene();
Actor actor = new Actor(scene, PolygonFactory.CreateRectangle(2, 2));
actor.SetTransform(new Transform2(new Vector2(1, 1)));
actor.SetVelocity(Transform2.CreateVelocity(new Vector2(0, 3)));
Entity entity = new Entity(scene);
entity.SetParent(actor);
FloatPortal enter = new FloatPortal(scene);
enter.SetTransform(new Transform2(new Vector2(1, 2), 1, (float)Math.PI / 2));
//enter.SetVelocity(Transform2.CreateVelocity(new Vector2(1, 0)));
FloatPortal exit = new FloatPortal(scene);
exit.SetTransform(new Transform2(new Vector2(10, 10)));
exit.SetVelocity(Transform2.CreateVelocity(new Vector2(10, 0)));
enter.Linked = exit;
exit.Linked = enter;
PortalCommon.UpdateWorldTransform(scene);
SimulationStep.Step(scene.GetAll().OfType<IPortalCommon>(), scene.GetAll().OfType<IPortal>(), 1, null);
Assert.IsTrue(entity.GetTransform() == new Transform2());
Assert.IsTrue(entity.GetVelocity() == Transform2.CreateVelocity());
Assert.IsTrue(actor.GetTransform() == actor.WorldTransform);
Assert.IsTrue(actor.GetVelocity() == actor.WorldVelocity);
}