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Learn how to create Train crash using simulation in Houdini that is then sent to Unreal using vertex animation textures. Learn how to prepare a train mesh for fracturing and simulation. Once the simulation is ready, you will use vertex animation textures to save out the sim as a mesh and textures which can be set up as Unreal shaders to playback the deformations.

Project Titan is an in-house tech demo designed to production test Houdini's procedural workflows while creating a 3D environment that leverages the latest technologies in Unreal. Click Here to learn more.



Applied Houdini is a production quality oriented series created by Steven Knipping, currently a Senior Rigid Body Destruction / FX Technical Director at Lucasfilm's Industrial Light & Magic: Avengers: Infinity War, Star Wars: The Last Jedi, Rogue One: A Star Wars Story, Star Wars: The Force Awakens. Benefit from production proven workflows while also getting an in depth explanation of why things works they way they do. Best of all - each video is crammed with actual information and footnotes instead of gratuitous talking and dead space!

More from Steven Knipping


  • Ommlet 2 years ago  | 

    Hi Steven, it seems that archive is corrupted

    • rafikhus 2 years ago  | 

      It is giving error here too .

      • Luiz_Cruz 2 years ago  | 

        I was able to unzip it using 7-Zip

  • Kvale 2 years ago  | 

    Awesome, thank you Steven!

  • imag4media 2 years ago  | 

    very cool

  • MostlyBees 2 years ago  | 

    Im a little confused by the last video. Are we supposed to have access to Steven's Unreal level? Because I cannot find it in the project files.
    Or do we need to install some sort of plug-in to get access to the "Scripted Asset Actions" and the Special material node

    • StevenKnipping 1 year, 12 months ago  | 

      Yes, I think the Unreal map is supposed to be included. Also you will need to install the Houdini Engine plugin to see the Scripted Asset Actions as well as Soft Body Deformation material function.

  • razzz.mus 2 years ago  | 

    How do you get the MF_VAT_SoftBodyDeformation node? I have installed Houdini Engine H19.0.622 for UE5.0 and i only have the MF_VAT_Soft node that doesnt have the same settings as you use.

  • StevenKnipping 1 year, 12 months ago  | 

    Hey, there seems to be something wrong with the archive, I'll see if I can get SideFX to update it. Sorry about that!

    • Shoulder 1 year, 8 months ago  | 

      Still corrupt - any updates?

      • lcywoshizhu 1 year, 6 months ago  | 

        Still corrupt

      • jistpo 10 months ago  | 

        I used 7 Zip and it extracted ok - the standard windows unzip - whatever that is returns a corrupt file error msg

  • Ahmed Elnady 1 year, 11 months ago  | 

    Great teacher thank you :)

  • shenao11 1 year, 9 months ago  | 

    Seriously great tutorial! Thank you

    For anyone else confused about how to get the scripted action and MF to show up properly, you need to copy the plugin contents to your Project folder:

    1. Make sure there is a Plugins folder next to the Content folder in your Unreal project directory. If the Plugins folder does not already exist, create one. (Your project directory is where the <YourProjectName>.uproject file is located.)

    2. Copy the SideFX_Labs folder (...\Program Files\Side Effects Software\sidefx_packages\SideFXLabs19.0\unreal\VERISON#) and paste it inside the Plugins folder mentioned in the previous step. (The SideFX_Labs folder is where the SideFX_Labs.uplugin file is located.)

    3. Your plugin is now ready. Launch your Unreal project and you should immediately have access to the Material Functions, Scripted Actions, etc. provided by the plugin. (With the project open, you can verify the plugin is successfully enabled by searching for "SideFX Labs" in Edit > Plugins.)

  • strelok-ufa 1 year, 1 month ago  | 

    hi Stephen! In lesson 3, "Bullet Solver" does not collide trains? They just fall, what's the mistake?

  • coclea 2 months ago  | 

    Archive corrupted. Thanks

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