![]() ![]() VEX is a high-performance expression language used in many places in Houdini, such as writing shaders. HScript is Houdini’s legacy scripting language. Expression functions let you compute the value of parameters. In this fast and quick explainer tutorial, Ill discuss if you need to learn how to code in order to succeed in Houdini. Do you have a table of contents for your notebook? No, me neither. How to script Houdini using Python and the Houdini Object Model. I used to keep a list of changes here on the front page, but it quickly got out of date. Hopefully most of it is interesting and/or useful. It's not a manual, it's not official software documentation, quality varies depending on my stress levels at the time of writing. Use the navigation menu at the top of the page to browse around. // VEX does not allow defining structs inside this field, they need to be defined // externally, either in a. Like a real life notebook, it's a little disorganised and messy, you'll find things scribbled in the margins, sketches of ideas, shopping lists etc. Today the wiki is mostly Houdini notes, but there's stuff about Maya, Nuke, Python, Ffmpeg, lots of other things. Rather than keep it in a paper notebook I've stored it online in a wiki, which you're looking at now. Over all that time I've kept notes on the CG software I've used. Previously I was at Ryot/Yahoo, before that teaching a masters degree in VFX at the University of Technology Sydney, before that I was supervising and doing VR/FX/Lighting at Animal Logic for a long time, and before that busy in the commercial scene in London for many years. I'm currently Senior Houdini Artist at Google. If you're after something specific, use the menu's across the top of the page. Lens Shaders can be pretty complex, but they can also be a lot of fun. ![]() Due to the scope of the article it will not explain every single piece of code in detail, but should get you far enough to kickstart your own experiments. If this is your first time here, head to HoudiniGettingStarted. In this article I’d like to teach you about Lens Shaders and some of the things you can do with them. We'll also cover the various ways in which VEX can be used for practical Houdini projects and complex workflows. This software has a steep learning curve, and it is especially. The software do most of the work you just need to create the tools. ![]() The word procedural might sound vague to you but in short what it means to to me is that: Non-destructive setup. In the course, we'll cover programming techniques and guide you on a journey to understand how to write VEX code. Houdini is a 3D software known for its procedural generation tools. I setup a Patreon page and a Paypal link, just in case you feel like buying me a coffee or beer (or both). This course covers every VEX topic you need to know from scratch. Welcome! Use the navigation menu at the top to find the various tutorials and tips. ![]()
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