Again it's time for some theory. We successfully used streams with the Plant Growth videos, but today I will dive deeper into how what streams are, and how exactly they work. We'll dissect some inb...
2019-08-28 22:00:02 +0000 UTC View Post
This is what happens when we travel: Grainy Mantra rendering for the intro, weird audio and a screencap that is mostly working. Nevertheless this is a quick and easy one: How to activate grains usi...
2019-08-15 08:00:02 +0000 UTC View Post
This time we focus on a classic in particle simulation, a twister effect. This is an excellent opportunity to have a close look at the CurveForcePOP and all of its settings. The setup is quite stra...
2019-08-08 12:10:52 +0000 UTC View Post
We recently had to create a physically based thinfilm shader in Redshift. This is the result. It's a slightly simplified version of this OSL shader from gamedev.net, implemented using ...
2019-07-25 07:05:21 +0000 UTC View Post
Short quick video today - still working through your questions regarding Vellum. Today we'll set up an example combining tearing cloth and grains. The setup is pretty straightforward, just the simu...
2019-07-18 06:03:31 +0000 UTC View Post
Here comes part two of our ecosystem setup. This time we'll add branches to the growing stems from part 1. We investigate the use of the POP replicate further, discuss the differences between its t...
2019-07-11 06:49:14 +0000 UTC View Post
Instagram videos, trade show installations or video game menus all need this; Looping background animations. Pretty straightforward when you're animating the traditional way - just keyframes and cu...
2019-07-04 08:01:00 +0000 UTC View Post
Today we'll talk about a very important DOP. The POPReplicate. We'll create a particle system that generates procedural geometry. For this we have to create trailing particles that follow their par...
2019-06-27 23:19:16 +0000 UTC View Post
Recently we had to build a setup to peel off a piece of geo from an underlying mesh. It turned out more straightforward than we originally anticipated.
Here's how we did it.
2019-06-20 11:59:59 +0000 UTC View Post
After looking at particle theory we now understand that we can drive particles by altering their velocity instead of using forces. This video shows you how to use VDB vector volumes to store a velo...
2019-06-14 06:49:08 +0000 UTC View Post
Ever felt so frustrated you needed to vent? By crushing an innocent can?
Look no further: In this tutorial we'll go through the steps necessary to use plastic deformation in Vellum...
2019-06-06 11:16:02 +0000 UTC View Post
Often requested, seldom answered: How do you pop a balloon in Vellum?
In this tutorial we'll go through the steps necessary to disable pressure constraints if weld constraints in your simulat...
2019-05-30 07:38:19 +0000 UTC View Post
After two episodes with practical examples it's time for some theory. In this episode I'll show you how a POP solver does force and velocity integration to simulate the particles. Equipped with thi...
2019-05-23 07:06:58 +0000 UTC View Post
One of our very first setups we tried pulling off in Houdini.
In this tutorial we'll go over how to set up a bunch of connected voronoi cell shaped cloth bags that are held in plac...
2019-05-02 08:01:00 +0000 UTC View Post
Same base object - brand new effect. Today we'll make particles conform to the underlying surface by using the double cross product. This is a standard technique for creating a surface constraint. ...
2019-04-25 06:41:47 +0000 UTC View Post
Ah! The classic FEM setup: Weirdly moving, crawling softbody creatures that make you shiver in slight disgust. Good news: It can be done in Vellum too! Same level of disgust but faster simulation t...
2019-04-18 08:01:00 +0000 UTC View Post
Time for a small add-on to our VEX101! I've been commuting quite a bit this year and when you find yourself sitting in an express train it can get boring. Luckily Jake Rice pointed me to a few pape...
2019-04-11 08:00:02 +0000 UTC View Post
Ever had that moment when you stumble upon a node you for some reason missed until now? Exactly what happened to me when I saw the Vellum Rest Blend node. It's rather useful if you want intricate c...
2019-04-04 07:41:49 +0000 UTC View Post
Here's a walk-through of the Part 01 particle scenes render setup. It's done in RS but a Mantra setup would look quite similar. This video explains how to genereate geometry for the particles on re...
2019-03-28 12:53:28 +0000 UTC View Post
Hi folks. This video marks the start of a new course on Entagmas Patreon. Particles! Particles are versatile and visually interesting and Houdini is capable of handling tons of them. At the same ti...
2019-03-21 12:40:37 +0000 UTC View Post
Yay! Houdini 17.5 has been released and while everyone is trying out PDG, we're focusing on the newest addition that's been brought to Vellum in this version: Per point friction. This allows us to ...
2019-03-14 09:01:00 +0000 UTC View Post
Force directed graphs are a popular way of visualizing the relationships within a given set of data. While the term might sound intimidating, the idea behind it is quite straightforward: For each c...
2019-03-07 09:01:00 +0000 UTC View Post
Admittedly I craved for a bit more VEX coding and I found rebuilding Manu's old "Connecting the Yarns" setup in Vellum to be exactly the right dose of coding I needed :)
In this tu...
2019-02-28 09:00:01 +0000 UTC View Post
Another really popular question regarding Vellum: How do you inflate geometry so it fits inside an arbitrary geometry? Admitted - this can look neat and has a wealth of applications in motion desig...
2019-02-21 09:52:54 +0000 UTC View Post
EDIT: Updated/Added Scene File For H19
Weirdly enough we've been receiving quite a few questions regarding soft constraining Vellum objects in the past days, so why not answer them in a shor...
Again one of those posts where I lost the inspirational link. If anyone kows which festival opener I'm referring to (saw it on Behance) - please comment.
Apart from that pretty straightforwar...
2019-02-07 09:00:02 +0000 UTC View Post
Someone (sorry, my poor brain can't remember exactly who) asked if it'd be possible to combine bullet dynamics and Vellum. While we so far only found unsatisfactory solutions for this problem, ther...
2019-01-31 09:01:00 +0000 UTC View Post
In this one we'll have a look at how to use a POP Force like The Pop Attract and Pop Axis Force to direct where our simulation is moving.
2019-01-24 09:09:14 +0000 UTC View Post
Flavio asked how to attract vellum cloth to a piece of geometry - a setup we too need quite often. Not only can you use it to wrap virtual goods in packing paper, it also makes for some nice shrink...
2019-01-17 09:00:02 +0000 UTC View Post