How would I create this background effect?

Posted by William on Stack Overflow See other posts from Stack Overflow or by William
Published on 2010-05-16T09:17:45Z Indexed on 2010/05/16 9:20 UTC
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c++

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shader

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game-development

What would you call the effect applied to the backgrounds in the Giygas fight of Earthbound, and the battle backgrounds in Mother 3? This is what I'm talking about.

http://www.youtube.com/watch?v=tcaErqaoWek

http://www.youtube.com/watch?v=ubVnmeTRqhg

Now anyone know how I could go about this without using animated images, or using openGL?

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