FFT-Ocean | FFT ocean for Unity | Game Engine library
kandi X-RAY | FFT-Ocean Summary
kandi X-RAY | FFT-Ocean Summary
FFT ocean for Unity
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of FFT-Ocean
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QUESTION
I am trying to implement an FFT and associated inverse FFT in WebGL using fragment shaders. I am using shader code from this github site. I believe that I am doing the FFT correctly as I am getting results that seem correct however my implementation for the inverse FFT is not giving me the initial result back like it should. My understanding for the inverse FFT is just to change the sign on the twiddle Factor argument:
...ANSWER
Answered 2017-Oct-05 at 15:51The error that I was seeing was related to a typo in another shader program that I was running (not the shader programs posted in the question). I have it working now. The shaders in the question work for FFT and iFFT.
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