Comments (7)
This may be possible, but not easy. What do you think you'd do with it?
http://wildabc.github.io/WebGL/FFTDroplet.html
from seriously.js.
Probably not fluid sims :). I'm interested in using it to compose glitch effects.
from seriously.js.
Can you give some more specific examples?
from seriously.js.
I'd like to apply an FFT transformation to an image, modify the result somehow, then reverse the FFT transformation to put the pixels back in their original locations. I think we could get some cool effects out of it.
Here's a good example of FFT used for image processing: http://www.imagemagick.org/Usage/fourier/
from seriously.js.
While great for audio effects, in my personal experience FFT is too unwieldy for effects in the visual domain.
If you're interested in glitch effects you may try translating some of the CIFilters/QC patches on this blog into shaders: http://machinesdontcare.wordpress.com/
Or the Rutt-Etra effect? https://github.com/v002/v002-Rutt-Etra
from seriously.js.
Yeah, I think @lselden is right. Most of those effects can be done more directly, like blur and contrast adjustment, etc.
Yeah, Rutt-Etra's been on my list for a while.
from seriously.js.
You have my vote for Rutt-Etra!
I may try experimenting with FFT using 2d canvas drawing. If I find some cool technique that would warrant a Seriously node, I'll let you know.
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Related Issues (20)
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