[osg-users] How to Convert Lookat to Projection and View Matrices

[Glenn Waldron]

You can make the view matrix:

  osg::Matrix::lookAt(eye, center, up)

This has nothing to do with the projection matrix though; that doesn't
depend on your look vector.

Glenn Waldron

On Tue, Sep 22, 2015 at 9:24 AM, Erik Hensens <ehensens at hunter.com> wrote:

> Hi everyone!
>
> How can I compute the view matrix and the projection matrix from a set of
> lookat parameters (eye, center, and up)?
>
> I'm asking because I need to compute the MVPW for a given lookat before
> the camera is actually at that lookat.
>
> I'm totally stumped and any help would be greatly appreciated!
>
> Thank you!
>
> Cheers,
> Erik[/list]
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=65173#65173
>
>
>
>
>
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