Geometry Based Simulations - First Chapter - Houdini Course

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Welcome to the first chapter of the Geometry Based Simulations course. In this chapter we will set up the base of our particle simulations and explore different methods of generating particles from an animated mesh.
We will drive the particles by using the very useful XYZDist function and control the direction by doing vector operations such as Cross Product.
Finally we see how to make our particles stick to the surface of the geometry, and have them update with the animation.
Hope you enjoy this free chapter!
Lessons:
00:00:00 - 00:00:13 : Intro
00:00:13 - 00:02:17 : Overview
00:02:17 - 00:10:00 : Source Geometry
00:10:00 - 00:12:00 : POP Source
00:12:00 - 00:19:46 : Setting Up Curves
00:19:46 - 00:28:28 : Cross Product
00:28:28 - 00:37:49 : XYZDist
00:37:49 - 00:40:48 : MinPos Demonstration
00:40:48 - 00:53:19 : Volume Sample and Volume Gradient
00:53:19 - 01:03:27 : Stick to surface
01:03:27 - 01:12:40 : Stick to Animation

[@michaelcmaloney]

Awesome tutorial. Thank you!

[@oliviernotot]

Definitely looking forward to new courses :)

[@voxyde]

Working on one right now!

[@jesjesline]

Great tutorial thanks 👍🏻

[@orientaxis]

That's really great 😍😍😍

[@mssanimation9383]

awesome this tutorial is top notch.

[@waltg195]

have a question, is there any particular benefit to using the volume workflow to stick the particles compared to just pulling the position directly from the xyzdist/primuv that was already being used previously?

[@voxyde]

You can definitely do that with primuv. Sometimes when working with low resolution geometry I like to use the volume method instead as SDFs create sort of a "softer" surface so the edges of the geometry arent as apparent when simulating millions of particles. But again this makes very little difference, so primUV wouldve worked about the same !

[@LeoLev001]

класс 👍👍