Using volumes for Particle-Object interaction and velocity updates.

I was doing research on volumes for a particular project at the University. The core of the research was based on how we could get correct dynamics behaviour in a Particles-Object simulation. Following is a Particle-Object system I did in houdini to get correct Velocity transfer updates using an SDF representation of the colliding object.

This setup uses POPs and is faster than a FLIP simulation. Additionally it could be coupled with additional systems using conditions based off curvature of the object or the velocity of the object.

Here's a short flipbook:



following are some screenshots from the same test:





I'm still continuing to work on these and how volumes could be used to achieve some highly detailed movements in particles. Also going through some books on levelsets at the moment, would be posting some more results later.

Blending geometries using Levelsets

I have returned to researching on interesting techniques. During my research on Volumes I came across an interesting technique which could be implemented and used in some of my projects. Since I have some time now I thought of giving these a try.



This technique uses levelsets to blend and fuse two geometries together.
Its based on a paper by Daniel P Ferreira which is:
Levelsets in Production, Spider Man 3

Following are some better tests (a bit upres volume):






I'll be posting some of my other research works as soon as I can get some more time.. :)