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crazy dispersion
By lyc
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i recently implemented refraction (for the first time), and in making the index of refraction vary with wavelength i decided to hack a bit. normally the index of refraction decreases with wavelength, so of course i made it increase 
this was producing really interesting caustics already, so i put the scene inside a big reflecting ring, which is what causes the nice "dream catcher" like crossing of caustics.

this was producing really interesting caustics already, so i put the scene inside a big reflecting ring, which is what causes the nice "dream catcher" like crossing of caustics.
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© 2007 - 2021 lyc
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I love this so much. I think you've moved on to fractal stuff now, and I love that as well, but I wish the program you used to make this was available to buy! I would do anything to be able to play around with the settings of a ray tracing program that allowed you to alter the details of the behavior of light.

yeah, i have some scrap images (not on da though) where i've applied the technique to 3d model - the image here is done with my 2d ray tracer.
i've given notice to resign from my current job so i can work on 3d rendering tech again, fulltime and for reals, so i will be begging for good test data before too long
please feel free to send through anything you like (you'll receive full credit of course!)
i've given notice to resign from my current job so i can work on 3d rendering tech again, fulltime and for reals, so i will be begging for good test data before too long

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