Hi Garry,
Garry Hoberg wrote:
> Hi all,
>
> I'm using the SimpleSceneManager with a walkNavigator. (I disabled the
> collision detection by setting a node with a group core and no children as
> world and ground.) The scene consists of the root node, two transform nodes
> (both translations) and one object from a VRML file in this order from top to
> bottom. So far everything's displayed fine. But when I move the object by
> changing the matrices of the transform node cores (on the push of a button)
> the object is only visible as long as I'm facing roughly the direction I was
> facing when the programme started (-z). When I move to a different position
> from which I have to turn about 50 degrees (which seems to coincide with the
> opening angle of the camera) to view the object I can make the object appear
> and disappear by turning a little (the object would still be about in the
> centre of the window). When viewing from a position that would require to
> turn more than 50 degrees to face the object it's invisible.
> I checked this with some more objects in the scene and found that this is not
> a near/far clipping plane issue.
> Has anyone else encountered this? Can anyone explain this?
>
As Carsten said, sounds like a bounding volume problem. Have you checked
the begin/endEdits to make sure that all your transformation changes are
bracketed by those?
Yours
Dirk
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