How is this lighting effect done?

Posted by Mike on Game Development See other posts from Game Development or by Mike
Published on 2011-02-21T00:27:37Z Indexed on 2011/02/21 23:34 UTC
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XNA

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lighting

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hlsl

This is the most beautiful 2d lighting I have ever seen. Does anyone know how he went about doing it?

Or download it here: http://grantkot.com/PollutedPlanet/publish.htm

screenshot

edit: I am not asking how the particles are simulated; I don't care about the physics.

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