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Mesh as light source?

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I've been trying to construct an idea on how to make a random mesh into a light source. Really, I've been coming up blank in all areas. Someone had mentioned that the u3 engine uses this effect, does anyone have a link to where they may discuss it? Thanks ~Main

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Basically it's a projection of a cubemap on the surrounding geometry. There's a thread on opengl.org: http://www.opengl.org/discussion_boards/cgi_directory/ultimatebb.cgi?ubb=get_topic;f=3;t=012341

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