Hi, my mesh (and shadow) and actor occasionally disappear in game, like this:

a few seconds later:


If needed I can paste some code of rendering and updating of this car.
What can be a problem?

some incorrect Frustum visibility tests code?
or you're using custom game class and use incorrect pos/matrix method implementation in the game object.

you can paste the codes

Thanks for advice, it seems I had a problem with pos/matrix (using custom game class)....