Re: [Algorithms] Smooth movement of camera along a path

[Mark W. <mwi...@cy...>]

Will and Jamie,

Thanks for the help.  This was exactly what I needed.  The
info was right in front of me in one of my books.  I just
didn't realize what it was called.

-Mark

> Catmull-Rom splines interpolate all control points, so
they would be worth
> checking out.  Look at:
>
>
http://graphics.cs.ucdavis.edu/CAGDNotes/Catmull-Rom-Spline/
Catmull-Rom-Spline.html
>
> The standard graphics textbooks have better expositions
than this web page
> if you have access to them.
>
> Will
>
> ----
> Will Portnoy

> Easiest spline to use for this is Catmull Rom, which if I
remember
> correctly allows you to keyframe the way you want to.
>
> For a Java link, try
>
>
http://www.media.mit.edu/~rich/research/java/docs/acg.stuttg
art.rich.spline.CatmullRomSplineLoop3D.html
>
> I've no idea how good it is, I was only searching to
remind myself of
> the name :)
>
> Jamie
>
>
> Mark Wilczynski wrote:
>
> > I'm trying to write a fly-by sequence (similar to the
Unreal
> > intro) for my 3d engine.  Can anyone tell me how to
smoothly
> > move the camera along a set of predefined 3d points?
> > Ideally,  I would like a system where I manually move
the
> > camera around the environment and record keyframes at
> > certain positions/orientations.  Then I would like the
> > system to automatically move the camera along a path
> > interpolated from these keyframes.  I'm guessing I need
some
> > sort of spline or other curve to do the job?
> >
> > -Mark
> >