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Advanced Setups 14 – DIY Poisson Solver pt. 4: Designing Caustics (Patreon)

Published:
2022-01-06 10:28:20
Imported:
2026-06
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Finally we put our Poisson solver to work – by designing a glass object that refracts light so that the caustics it generates form an image. In this example one of Albert Einstein.

The method used is from this paper and described in gorgeous detail on his blog by Matt Ferraro.

If you just want the Einstein caustic generator, you can download the finished geo here (.abc). 

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Comments

CRISPR_CAS9

Sorry, since nobody replied to my youtube comment I tought I can ask here, even though this is not about the paint sim.. If I should contact you elsewhere plz let me know. I tried creating two FLIPSOURCES, giving both a different colors. But when meshing the fluid, the colors are adhering to the polygon edges, making the result..ugly. Blurring it doesn't create a great result either. Any thoughts?

entagma
>>75361974

Hi Kilian, here's one idea (courtesy of ALTSHIFT's Patrick Vogel): In your DOPnet use a SOPsolver with a bit of VEX/VOPs or simply an attbribblur to average out neighbouring particle's colours each simulation step, thus blending the colours into each other a bit more drastically than a post sim blur. Cheers, Mo