effect distortion interference post Credits: AMD/ATi since this is a straight port of a shader from the rendermonkey example shader library.
ported just for fun while i was trying to get my mind off some other frustrating shader experiments..
also ati tested.. ;)
nice nice! i've combined some other effects to emulate the same phenomenon in the past - for ghosting, try wave warp] with eg. the burn blend mode ;)
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