Richard, I'm gonna pass on building the test case.  I did that recently for
some problems with segments and never did get anyone to look at it after the
sample was requested.  No worries about that, it is Open Source, after all,
I just don't want to invest the time again for possibly no result.

I'll just keep my eyes peeled for whether there are any fixes or other
discussion about it.  I suspect my application of Away3D to CAD/CAM rather
than games is a bit of an odd case anyway, so I may stray off the beaten
path from time to time.

Best Regards,

Bob Warfield

PS FWIW on the segments, I rearchitected along the lines I was asking about
and things are much better.  I would say from that experience that segments
are problematic if their vertexes can get behind or perhaps even very close
to the camera.

On Sun, May 30, 2010 at 12:38 AM, richardolsson <[email protected]> wrote:

> Hi Bob,
>
> If weird things happen when you change lenses, that sure sounds like
> an Away3D bug. Would it be possible for you to upload a test case
> (including source code) that pinpoints this problem for me and the
> others to try and debug?
>
> Cheers
> /R
>
> On May 29, 9:09 pm, BobWarfield <[email protected]> wrote:
> > I need to be able to change between an Orthogonal and Perspective
> > projection while viewing.
> >
> > I tried simply switching between two lenses, but this seemed to create
> > all kinds of problems.
> >
> > Can someone tell me either:
> >
> > -  Of a single lens that can do either orthogonal or perspective ( I
> > guess I could try to hack the two together).
> >
> > -  How to change lenses in mid view?
> >
> > Changing the lenses created all sorts of crazy issues depsite taking
> > care to match the zoom and focal lengths.  You get a view that looks
> > good in Orthogonal, switch to the Zoom and scale radically changes.
> > Ignoring that and switch back and the scale has changed in the old
> > change.  Try changing zoom (tied to mouse wheel) and the whole thing
> > collapses to a line or weirdly changes the camera's position.
> >
> > Basically, looks like Away3D caches away stuff from the lenses or some
> > such.
> >
> > Best,
> >
> > BW
>

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