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Realtime reflection / refraction

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I''ve been searching unsucessfully for a reflection / refraction algorithm to calculate surface lighting / colour values for water given a 2d array of depth values and texture arrays for the water surface, floor. I''m just looking for something simple to be used with a fixed, top-down viewpoint. Any help would be appreciated. Thanks, William

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Hi,

try to search for "refraction" or "reflection" at www.gamasutra.com. They got a great article about the subject.

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