Simply create a folder inside your Houdini preferences directory (where the houdini.env typically is) called "packages", and place the MOPS.json file from the MOPs download into that package folder. If you are using Houdini 18.5, you must either download build 18.5.415 or later, or use the Houdini.env installation method.įor those of you running Houdini 17.5 or later, you have an option for a much easier install. Important: Houdini 18.5 builds after 18.5.351 have an error that prevents packages from loading properly. Navigate to the folder you want to contain MOPs, and from BASH / Git BASH type:ĭownload the desired release directly from the releases page and extract it to your hard drive or network share. Option 1 (users who are familiar with Git): It's important that you do not install MOPs directly into your $HOME/houdiniXX.X directory, or else it may not properly be loaded when you start Houdini. You need to download MOPs from GitHub and then save them somewhere on a local drive or network share. PLEASE READ CAREFULLY.įor detailed instructions and troubleshooting, see the Installation page on the MOPs Wiki. INSTALLATION PROCEDURE HAS BEEN SIMPLIFIED FROM PREVIOUS RELEASES. MOPs is based on an internal framework of nodes that convert point attributes to packed primitive intrinsic attributes and back again, making it easy for technical artists to develop new MOPs modifiers. The goal is a familiar and fast workflow for motion graphics artists migrating from other platforms, as well as a powerful toolkit for more experienced Houdini artists to quickly design and execute new effects. MOPs is intended to be an easy way to manipulate lots of copies of things, leveraging Houdini's packed primitives. So you get the picture – start free, learn free, share tools, get gigs, spend a little more money on commercial stuff and support efforts like MOPs, and then get better-paid gigs.Motion OPerators for Houdini, a motion graphics toolkit. This pairs well with other node-based tools like TouchDesigner or even engines like Unreal, as well, in workflow.Īnd then if it does work as a gateway, you can get an indie license for still more useful MOPs for commercial use at US$100 a year. MOPs+ is also an important part of our toolkit – the type node is great, with bounding box-based layout options, and having MOPs work easily/elegantly with Houdini’s own internal tools is also great.įor artists wanting to get further into visuals (music folks going audiovisual included), that’s all terrific. I think it’s important to note – is an attribute like any other, so every single falloff generator is also capable of helping modify whole meshes. Houdini requires a lot of implementation – MOPs can handle a lot of that implementation for you if you are looking to do motion graphics-style data processing. MOPS was a big part of my early Houdini journey. He tells us: A cube turned into this thanks to MOPs, in a freshly-rendered project from Ted. CDM contributor-at-large Ted Pallas says he credits a lot of his development in Houdini to MOPs and its magical physics powers. VFX artist and MOPs developer Henry Foster has done an incredible job with this work. (Indie licenses are pretty low-cost, too.) That’s a great gateway into SideFX Houdini, which itself is available for free for non-commercial use. It’s all free and open-source (really, under the LGPL) – meaning artists could also build more on this and share with one another. And I think that’s part of the shared future of creative sound and visuals – give stuff something you can easily tweak, so your brain can realize stuff faster because then it’s your brainpower at work on the result. It’s a set of node networks for animating things more easily, with “intuitive controls for duplicating, rotating, bouncing, aiming” and other effects. So something like MOPs for Houdini is a welcome change. I suspect that the flipside is true, too – there’s a preset look to a lot of stuff we see partly because it’s hard to find the essentials that would allow you to create your own, expressive style. But as powerful as tools like Houdini are, a lot of advanced users did have to already build up some basic tools before getting to work. On the music side, it’d be pretty absurd if we had to think about coding or patching delay lines by hand before getting to work. (See context below from our past coverage.) And MOPs? It’s got the perfect slogan: “The less scary part of Houdini since 2018.” Houdini – think incredible generative live visual eye candy, another modular motion world to go with sound.
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