Re: [info-performer] What is the role of homogenious coordinate entry 'w' role in texture mapping?

From: Rick van Haasen (rick.van.haasen++at++philips.com)
Date: 06/03/2005 02:07:14

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Anbu,

one example is the simulation of the projection of a cone-light on a flat
surface with an angle that is not
perpendicular to the surface. Have a look at the OpenGl redbook (page
445 for version 1.4)

Rick

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