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Thread: attenuation

  1. #1
    Member Contributor
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    Jan 2001
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    attenuation

    what is 'attenuation' as it relates to lighting? the red book tells you how to use it but doesn't describe what it actually does.

  2. #2
    Senior Member OpenGL Guru zed's Avatar
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    Nov 2010
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    2,466

    Re: attenuation

    yes it does pg 183 book ver 1.1 . basically for positional lights it describs how much light the vertex will get depending on its distance from the light source eg u can make lights only give off light in a small area

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