Krakatoa

Houdini Flip Fluids in Max test

Krakatoa Particles playback in Max viewport

This is a first test of getting a Houdini Flip Fluids sim into Max for rendering in V-Ray.

I used the Krakatoa PRT Rop driver available from this site:

http://www.flipswitchingmonkey.com/2015/01/prt-export-from-houdini/

Which is pretty awesome. Drivers are available for Houdini 13 and 14. The version I tested was for 14.0335. The driver is easy to install, and is then available under a custom section of the Output drivers.

As well as baking out the particles to PRT files, the Rop driver can also write out the particle velocities, which are read by Frost back in Max. V-Ray is able to use the velocity data for in-camera montionblur.

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Krakatoa Test

Krakatoa Test from Hugh Johnson on Vimeo.

Simple Krakatoa Test, no fume used in this one. All of the particle motion is from 3 wind spacewarps.

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Krakatoa driven by Fume sim

Krakatoa with Fume sim, and back into Particle Flow from Hugh Johnson on Vimeo.

A test using a fume simulation to drive particle flow motion, rendered in Krakatoa.

The initial motion is driven by the fume sim, later on all of the motion is moved over to particle flow for the disintegration effect.



Krakatoa Ghost Dissolve

Krakatoa ghost arm dissolve from Hugh Johnson on Vimeo.

Originally done as some R & D on a ghost show for the BBC. One of the characters was going to dissolve and reappear using this type of effect.  The show didn’t get to pilot though, and this was as far as I took the testing.

Rendered with the excellent Krakatoa point renderer.  I did this a while ago, but I think there’s about 1 million particle flow particles, each one receives and casts shadows.



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