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Vellum Playground - 11 Art Directing Splashes Part 3 - Custom Velocities with VEX

In part three, you'll discover powerful and easy-to-use techniques for creating custom velocities using simple VEX commands that take your simulations to the next level. Once you've mastered these methods, you'll have all the tools you need to confidently art direct your simulations. 00:00 Introduction 00:35 Creating custom velocity vectors on points 02:35 Rotate velocity vectors 08:33 Changing velocity vector length using a ramp 13:44 Convert velocity vectors into a velocity volume 14:47 Adding velocities into the DOP network 15:40...

Vellum Playground - 11 Art-Directing Fluid Splashes 02 - Custom Velocities with Pyro Burst

In the second part, I'll show you how to art direct splashes in Vellum fluid simulations. Together, we will construct a flexible setup that allows you to manipulate the shape and velocities of your chocolate splash.Content 00:00 Intro & project file overview 03:50 Vellum fluid & solver settings 06:18 Custom velocity with Pyro Burst Source 14:13 POP Advect Particles by Volume 20:23 Meshing the fluid particle simulation 25:54 Outro

Vellum Playground - 11 Art-Directing Fluid Splashes 01 - Strawberry Modeling

Are you ready to take your Houdini skills to the next level? Join me on an exciting four-part journey where we will create a stunning scene of a strawberry splashing into liquid chocolate! In the first part, I will guide you through the step-by-step process of modeling a lifelike strawberry using Houdini's powerful procedural modeling workflows.Content 00:00 Introduction & overview 01:40 Basic shaping 05:16 Sculpting 00:13 Modeling dents 18:23 Volume modeling 21:43 Adding seeds 26:50 Stem cut-out 35:24 Add colors 39:16 Refining seeds 40:00 ...

New Vellum Playground episode coming soon!

Dear Patrons,Today I want to announce that I am currently working on a new episode for the Vellum playground course. In this episode we will learn different techniques to art-direct splash simulations with Vellum Fluids. The first part will show how to procedural model a strawberry and then we will dive into velocity field creation to guide fluid simulations. That´s gonna be a cool one, so stay tuned.Thanks for your support! Best regards,Roland

Project File - Particle Trails Tutorial Series

Download the project file and the Particle Trails HDA.The four part tutorial series is available on YouTube: https://youtu.be/fz-d_idAxVUContentGIM Particle Trails_Tutorial.hiplcGIM_Particle_Trails.1.0.hdalc

Vellum Playground - 10 - Mixing Vellum Fluids - Part 4: Rendering Fluids with Redshift

In the fourth part of episode ten, we will wrap up our fluid simulation by utilizing Redshift for rendering. Our focus will be on shading the two fluids separately with distinct materials and blending them together through a material blend node in Redshift.Content00:00 - Scene file walk through03:05 - Lighting with HDRI07:25 - Material setup and material blending19:05 - Fixing the shading of the bubbles21:40 - Additional lighting25:42 - Post FX in Redshift27:47 - Adding motion blur

Vellum Playground - 10 - Mixing Vellum Fluids - Part 3: Bubbles Simulation

In the third part of episode ten, we'll be introducing bubbles to our fluid simulation. To achieve this, we'll be utilizing a straightforward and adaptable POP configuration that will enable us to generate bubble particles from the fluid simulation we've already created.Content00:00 - Select random particles by a threshold using VEX05:00 - Particle bubble simulation using POPs08:48 - Filter particles based on the distance to the fluid volume13:04 - Add geometry to the bubble simulation16:00 - Adjust the scale of the bubbles17:05 - P...

Vellum Playground - 10 - Mixing Vellum Fluids - Part 2: Meshing Fluids

In episode 10 we will dive deep into the refreshing coolness of mixing fluids using Vellum.In Part 2 we will turn the fluid simulation into a mesh using VDB workflows.Content 00:00 - Meshing fluids using Particle Fluid Surface Node 07:05 - Meshing fluids using VDB workflow 11:03 - Transferring important attributes 13:10 - Outro

Vellum Playground - 10 - Mixing Vellum Fluids - Part 1: Fluid Simulation

In episode 10 we will dive deep into the refreshing coolness of mixing fluids using Vellum.In Part 1 we will set up the Vellum fluid simulation and mix two fluids with different attributes.Content 00:00 - Introduction 01:04 - Project file content 02:39 - Set up Vellum fluids 08:23 - Simulation setup in DOPs 12:55 - Adding forces to the simulation 16:48 - Fluid mixing using a Multi-Solver 21:54 - Caching the simulation 24:47 - Outro

Vellum Playground - 09 - Introduction to Vellum Fluids

In Episode 9, I will cover the basics of fluid simulations using Vellum. You will learn how to set up fluids in SOPs and DOPs, as well as with the Houdini shelf tools. We will also take a look at the most important attributes for art-directing fluid simulations.Content00:00 - Intro00:42 - Scene setup using the Houdini Help02:51 - Basic Vellum Fluids Simulation in SOPs07:00 - Basic Vellum Fluids Simulation in DOPs10:56 - Basic Vellum Fluids Simulation using the Shelf Tools15:30 - Art Directing Fluids with Viscosity & Surface Tension20:05 - Filli...

Vellum Playground - 08 - Foam with Vellum Grains

In episode eight we well re-create a shot from the Nike Air 2017 promo video produced by the world famous studio Man vs Machine. You will learn how to build a foam simulation interacting with an animated shoe model.Content00:00 - 02:17 Introduction02:18 - 03:33 File breakdown03:34 - 05:43 Adding UVs and colors05:44 - 07:09 Setting up Vellum grains07:10 - 09:31 DOP network setup09:32 - 14:54 Shoe & grains collision14:55 - 23:30 Create velocity field to move grain particles23:31 - 24:37 Vellum Solver setup24:38 - 27:59 Add Vellum glue constraints...

Vellum PLayground - 07 Snow Dissolve - Part 2: Rendering

In this episode we will render our snow dissolve simulation using Redshift.Content00:00 - 01:26 Recap01:27 - 02:21 Re-timing the animation02:22 - 04:24 Turning the grains into a volume for rendering04:25 - 07:39 Camera & lights setup07:40 - 17:07 Creating a snow material17:08 - 19:30 Refining the lighting19:31 - 21:27 Refining the volume21:28 - 25:22 Redshift PostFX25:23 - 28:44 Final export using Redshift28:45 - 29:19 Outro

Vellum Playground - 07 Snow Dissolve - Part 1: Simulation

In episode seven you will learn how to create this amazing snow dissolve effect using Vellum grains.Content00:00 - 00:46 Introduction00:47 - 01:20 Tutorials overview01:21 - 04:54 Create a basic 3D object (logo)04:55 - 07:10 Adding details to the surface07:11 - 09:36 Basic grains simulation setup09:37 - 11:24 Add wind force11:25 - 16:44 Creating clumping effect using VOPs16:45 - 28:30 Dissolve animation setup28:31 - 31:49 Improving the grains simulation31:50 - 37:08 Increasing simulation resolution & file caching37:09 - 37:44 Outro

Vellum Playground - 06 - Introduction to Grains

In this tutorial, you'll learn how to use Vellum to simulate grain in SideFX Houdini. Our first step will be to set up a basic grains setup and go over the most important parameters for art-directing grain simulations.Content 00:00 - Introduction01:22 - Turn objects into grains using Vellum configure grains03:43 - Grains setup with the Vellum Source node08:58 - Vellum Solver settings for grains: Substeps13:16 - Velocity Damping14:06 - Friction15:31 - Attraction Weight16:20 - Search Scale19:05 - Art-directing grains using physical attributes...

Vellum Playground - 05 - Flag - Advanced Cloth Tear

In episode five of our Houdini course, the Vellum Playground, we will look at advanced cloth tearing techniques.We'll begin with a simple cloth simulation. We will define an initial state for the simulation, after which we'll use weld constraints to break our flag apart. I'll demonstrate several ways to control the tearing with attributes., including t what point in time the the cloth tears. Using the pyro source spread node, you'll learn how to create an infection simulation that can be used to control the cloth tearing.

Vellum Playground - 04 - Cannon - Advanced Constraint Setups

Learn how to create glue constraints between objects during a Vellum simulation. Let’s create this funny cannon, shooting sticky balls onto a soft body target.In this lesson you will learn how to create new constraints during a simulation. We will also cover how to break these constraints. Visualizers help us to create exactly the behavior that we expect.

Project File - Vellum Beginner's Guide

Download the Vellum Beginner's Guide project file in the attachment.

Vellum Playground - 03 - Cat Balloon - Part 4 - Lighting & Rendering

We can give our cat the finishing touches by setting up a studio backdrop, lighting, materials, and a final render with Redshift.We will start by creating a modifiable studio backdrop that we can later use for other projects. We’ll also learn how to add and position lights and a camera. We’ll take a quick look at Redshift and its basic settings to finish off the final animation.

Vellum Playground - 03 - Cat Balloon - Part 3 - UV Unwrapping & Texturing

Now let’s add UVs and textures to our cat. Houdini makes UV-unwrapping really easy.In this tutorial, you’ll learn how to quickly and easily UV-unwrap 3D models in Houdini. For creating textures, we save our UV layout to disk and import it into Photoshop.

Vellum Playground - 03 - Cat Balloon - Part 2 - Inflation Simulation

It’s time to take an in-depth look at Vellum’s inflation simulations. We’ll explore the process of animating attributes within the Vellum solver and gain a better understanding of its capabilities.We can use Vellum to set up Balloon Constraints as the starting point for our feline project. By incorporating Stitch Constraints, we can achieve a realistic foil balloon look, complete with creases and folds. Additionally, utilizing Pin Constraints gives us greater control of the inflation simulation.

Vellum Playground - 03 - Cat Balloon - Part 1 - Modelling

Let’s get serious with Vellum and create this cat foil balloon inflation simulation from start to finish.We will start by importing a PSD file and tracing it in Houdini. By triangulating the typology, we prepare the object for simulation with Vellum.We explore different grouping methods to set selections for stitches and folds.

Vellum Playground - 02 - Slide - Combining Vellum Simulations

Let's explore the possibilities of combining Vellum soft bodies and grain simulation inside a DOP network workflow. This time we will use some of the Vellum shelf tools instead of manually setting up each node.We will start by modelling the slide and the ball pit. Tetrahedral soft bodies are good for simulating high resolution objects by creating a low poly version. After simulating the soft body sliding down the slide, we will use point deform to pin the high resolution mesh onto the low poly version. A simple grains setup will serve as a ...

Vellum Playground - 01 - Trampoline - Basic Vellum Properties

In this project, you will discover how to craft a trampoline jump animation in Houdini without relying on any key frames or forces. By tweaking the influential characteristics of the Vellum cloth constraints, we will craft a material with a rubber-like reaction.Project file download attached

Project File - Fluffy Pillows in Houdini 19.5

The download contains the Fluffy Pillow in Houdini (19.5) tutorial project file.I added written comments to all important steps, so that you can come back to the file anytime and quickly remeber, what each node does in the setup.

Resources - 100 3D Objects Pack Vol 1

Download 100 abstract 3D models for your projects. You can use the models for your personal and commercial projects.The objects were created in Houdini 19.5. The original project file is included, so you can also check out how they were built.Content- FBX file with 100 3D objects- 100 FBX files of the individual objects- Original Houdini (19.5) project file- 100 bgeo files (Houdini geometry)