MOPs
@motionoperators.com
460 followers 150 following 53 posts
Motion Operators, a motion graphics toolkit for Houdini created by Henry Foster (Toadstorm). https://www.motionoperators.com https://linktr.ee/motionoperators
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motionoperators.com
was waiting to see if anyone mentioned duke's Far East Suite... it is *extremely* good and rarely noticed for some reason
motionoperators.com
Eem, Oma's Hideaway, Scotch Lodge, Apizza Scholls, Stammtisch, you could spend weeks eating your way around this city and doing nothing else. Forest Park has hundreds of miles of trails in addition to the Japanese Gardens. The Gorge is beautiful any time of year. It's a great little city.
motionoperators.com
Good catch, I just patched this and pushed the update to the henry_dev branch.

If you want a quicker fix, change line 18 of MOPs/scripts/python/mops_updater.py to:

from hutil.Qt import QtWidgets
motionoperators.com
why do GIFs not work here? 😫do I really have to embed video instead?
motionoperators.com
Happy Labor Day! I just added Houdini 21 / Qt6 hotfixes for both MOPs and MOPs Plus, and a few cool little upgrades to MOPs... now you can easily cycle falloffs! Check the blog for details: motionoperators.com/blog/index.p...
motionoperators.com
Clarification: Houdini 21 by default uses Qt6 and doesn't have PySide2 compatibility. This will break some tools that use a custom UI. You can get around this by installing a Qt5 build of H21. I'll add Qt6 support soon!
motionoperators.com
Happy Houdini 21 release day! H21 is compatible with both MOPs and MOPs Plus (for Python 3.11) so you shouldn't have to worry about any upgrades. Have fun!
motionoperators.com
I wrote a little article here for VFX artists about what environment variables are, how to manipulate them, what various .env files are actually doing, and how to roll your own pipelines to organize your projects at home. Look here: www.toadstorm.com/blog/?p=1010
A VFX Artist’s guide to the System Environment – Toadstorm Nerdblog
www.toadstorm.com
motionoperators.com
The Conservatory of Flowers is one of the best indoor collections of tropical plants I've ever seen. It's a must-see if you're a plant person.
motionoperators.com
sorry i misspoke, i meant boints
motionoperators.com
yeah that's software-dependent. maya labels this behavior "segment scale compensate" on joints and is on by default... child bones will be translated by the scaled parent but will apply the inverse scale to themselves to stay the same size.
motionoperators.com
controllers are the front-end for interfacing with the skeleton. you'll often have very complicated constraint structures and multiple skeletons driven by the controls that blend their outputs together into the final skeleton that's exported to the game engine.
motionoperators.com
The MOPs website (and toadstorm.com) will be offline for less than 1 hour for some maintenance and improvements. Thanks for your patience!
motionoperators.com
I'm looking for software developers who can help me write a floating license server for MOPs+. Some experience in Houdini is a plus but not required. If you're interested or know someone who is, please reach out to me at [email protected].
Reposted by MOPs
everythingproc.bsky.social
Apex is still pretty scary and new for most existing Houdini artists, but there’s no need to be scared anymore! Matt (@cgwiki.bsky.social) will provide a jargon-free explainer of Apex at #EPC2025!

Get your tickets now: everythingprocedural.com

#everythingproc #ProcGen #Apex #GameDev
motionoperators.com
I wrote a little primer on rigid body dynamics in Houdini after seeing a lot of similar questions online. Bullet is a pretty deep rabbit hole to fall into and there's a lot of legacy stuff that's very confusing for new artists... hopefully this helps you get started!
www.toadstorm.com/blog/?p=1123
A Houdini RBD Primer, Part 1 – Toadstorm Nerdblog
www.toadstorm.com
motionoperators.com
A new release of MOPs+ is now available! This adds the new MOPs+ Rig Aim node, as well as a new streamlined version of MOPs+ Collision Geo. More details on the MOPs Blog: motionoperators.com/blog/index.p...
motionoperators.com
Used to freelance as an artist for many years in LA. Get an accountant, especially if any of your income isn't W2. Please DO NOT go to H&R block or similar, they will have absolutely no idea how to prepare taxes for anything that complex (I tried doing exactly that when I first started)
motionoperators.com
It absolutely could, although there's existing constraints for that. This is more about gradually bending chains towards a target, for things like tentacles, tails, trees, etc.
motionoperators.com
I'm trying to get another fun new toy done for the next release: MOPs+ Rig Aim. Enjoy watching it wave Paul around!
motionoperators.com/blog/index.p...
An animation of the Paul test geometry bending to face a target object like some kind of mutated drinking bird toy
motionoperators.com
I've updated the MOPs blog page to use a new Wordpress format so it's easier to post about updates and development in general, and so people can use RSS to get updates instead of social media. The updated page is here: motionoperators.com/blog/
MOPs Blog – The less scary part of Houdini since 2018.
motionoperators.com
motionoperators.com
🚨 Black Friday sale! Today through 12/1, get a MOPs Plus license for 20% off using the coupon code MOPSFRIDAY2024.