Re: question for range-attenuated landing light

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Joaquin Casillas (jcasilla++at++glup.irobot.uv.es)
Thu, 14 Jan 1999 16:44:07 +0100

OHKAWA_KAZUHIKO wrote:
>
> Hello,
>
> Currently, I tried to integrate landing light which is range-attenuated
> into my visual simulation program.
> I made the my program based on "IRIS Performer 2.0 libpf C++ Reference
> Pages", paragraph pfLightSource(3pf), Example 2 .
> According to the example explanation, the landing light of the example
> is range-attenuated. But my program's landing light is not
> range-attenuated.
>
> I want to make range-attenuated landing light.
> I append the my sample C++ program and texture file. I would appreciate
> your advice on this matter.
>
> Regards,
>
> Kazuhiko
>

Well, I have the same problem when using projected texture lighting in
order to simulate landing lights. It seems that pfFog parameter of the
pfLightSource is not working at all (I have also tried the code in the
pfLightSource man page). Moreover, I have experienced another problem
with the projected light source. When the landing light is activated, it
seems to affect the global ilumination of the scene making it darker.

So I am also getting trouble with this, and would appreciate any help.

-----------------------------------------------
 Joaquin Casillas Melendez mailto:jcasilla++at++glup.irobot.uv.es
 LISITT (ARTEC) Phone: +34 6 364 2253
 Dept. Electr. & Informatics Addr: Poligono de la Coma s/n
 University of Valencia Valencia (SPAIN)

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