Re: Flat shading with MultiGen Loader

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Marcus Barnes (marcus++at++multigen.com)
Mon, 26 Jan 1998 18:15:24 -0800

On Jan 26, 3:31pm, Jeremy Townsend wrote:
>Here's the deal: What we're trying to do is display certain (but not all)
>areas of our terrain with flat shading,

calculate shading on your "flat" terrain polygons (faces) with lighting mode
"None".

>but performer always seems to shade
>the terrain regardless of how we specify it to be shaded before the
>geometry hits the loader.

the default pfdGeoBuilder modes, as set by the OpenFlight loader, include the
computation of missing normals. simply disable this mode, either:

{
        pfdConverterMode( "flt", PFFLT_COMPUTENORMALS, FALSE );
        pfdLoadFile( "file.flt" );
}

or with perfly:

perfly -y flt,5,0 file.flt

Regards.

--
+ Marcus Barnes, Technical Staff        mailto:marcus++at++multigen.com +
+ Multigen Inc.                         http://www.multigen.com    +
+ 550 S. Winchester Blvd.               phoneto:1-408-556-2654     +
+ Suite 500 San Jose CA 95128           faxto:1-408-261-4102       +
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