secondary ray length node? sorry here 's that scene file...(bl ush) 2005-03-11 - By Alan Jones
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Hi Matthew,
Holger has written a shader which returns the total ray length. It's
at binaryalchemy.de
Cheers,
Alan.
On Fri, 11 Mar 2005 14:47:58 +0200, Matthew Lowery <Matt@(protected)> wrote:
>
>
> <<ray_length_shader.zip>>
>
> -- --Original Message-- --
> From: Matthew Lowery
> Sent: Friday, March 11, 2005 2:45 PM
> To: 'xsi@(protected)'
> Subject: secondary ray length node?
>
> Hi all,
>
> (sorry for the small attachment but it is impossible for me to FTP anything
> outside of the building I'm in.) Anyway the attached scene shows the problem
> that I have, I'm using a scalar state node set to ray length to drive the
> blend between two phong shaders. (All the spheres in the scene have the same
> shader)
>
> Now this shader works great until the ray passes through a transparent
> object, ( turns into a secondary ray.) at which point the ray length is
> reset and measured again from that point. ( obviously not what I need:)
>
> Anybody ever had this/ know a way around this problem?
>
> Thanks in advance,
> m@
>
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