Shadows with Performer ?

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pere1++at++VIDEO3.cluny.ensam.fr
Mon, 29 Apr 1996 10:46:12 +0000

        Hi

        I would like to render shadows with Performer.It seems that Performer
has not any fonction to do that. So I look on the OpenGL Programming Guide, it
is told how shadows work but there isn't any sample code.
        So I send a message (not in a bottle ...)
        Could somebody help me?

        My application is a 3D terrain with thousands trees (yes, it is
possible!). For the moment I duplicate all the facets on the forest terrain
with a opacity mapping of a shadow image. It works well but it isnt the
economical version.

        I am looking for:

        1) A sample code of how to render shadows of one object to another
or
        2) A sample code of how to map an image (shadow image for example) on a
projector

        Thanks you for your help !

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