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Jamie Hayes

@hazejay.bsky.social
215 followers 90 following 18 posts

Principal Rendering Programmer @ Epic Games. Currently working on Nanite.

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Jamie Hayes @hazejay.bsky.social · 29/05/2026
static.klipy.com
Marlon Wayans Shocked Reaction
ALT: Marlon Wayans Shocked Reaction
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Reposted by Jamie Hayes
Brian Karis @briankaris.bsky.social · 15/03/2026
2 more Nanite Tessellation posts are up. graphicrants.blogspot.com/2026/02/nani..., graphicrants.blogspot.com/2026/03/vari...
graphicrants.blogspot.com
Nanite + Reyes
Let's get into the details of how this integrates with Nanite. We aren’t replacing anything Nanite already does. Nothing is changed about th...
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Jamie Hayes @hazejay.bsky.social · 06/02/2026
Every time I sit down with an artist and watch them do something they invariably encounter an egregious bug that they’ve just been living with for months
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Jamie Hayes @hazejay.bsky.social · 14/01/2026
Part 2 offers a couple of Houdini tutorials for creating assemblies. dev.epicgames.com/community/le...
dev.epicgames.com
Nanite Assemblies in USD: Part 2 - Houdini Tutorials | Tutorial
Part 2 of this 2-part series expands on the concepts of representing Nanite Assemblies in USD introduced in Part 1 and demonstrates their practical appl...
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Jamie Hayes @hazejay.bsky.social · 14/01/2026
I wrote up a guide for authoring Nanite Assembly USD files in Unreal Engine 5.7. Part 1 covers the requisite structure of the USD scene. dev.epicgames.com/community/le...
dev.epicgames.com
Nanite Assemblies in USD: Part 1 - Scene Structure | Tutorial
Part 1 of this 2-part series covers the details of how the Universal Scene Description (USD) format can be structured to author and import Nanite Assemb...
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Jamie Hayes @hazejay.bsky.social · 10/08/2025
@mjp123.bsky.social you’re gonna have to carry the Britney Spears torch
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Jamie Hayes @hazejay.bsky.social · 03/06/2025
Sure. It's not specific to foliage. You'll be able to enable it on anything. Probably won't work great for everything though.
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Reposted by Jamie Hayes
The Witcher @thewitcher.com · 03/06/2025
Thanks for tuning in to The Witcher 4 — Unreal Engine 5 tech demo and joining us during the State of Unreal 2025! #UnrealFest The full presentation will be uploaded and shared with everyone later today, but in the meantime, here's four screenshots straight from the demo to tide us all over. 😍
Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a close-up of Ciri wearing her hood up, looking off in the distance. Her two swords can be seen on her back. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a lush forest, with a fallen tree in the foreground alongside patches of snow. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows a hooded Ciri standing on the edge of a cliff, overlooking the forests and mountains of Kovir on a bright day. A grand medieval city can be spotted in the distance. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”Screenshot from The Witcher 4 Unreal Engine 5 Tech Demo shows the busy medieval market of Valdrest with dozens upon dozens of NPCs crowding around a band performing on stage. The Witcher 4 logo is printed in the bottom left corner alongside text that reads, “Technical Presentation — Not Actual Gameplay.”
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Jamie Hayes @hazejay.bsky.social · 03/06/2025
... and here it is in 4k 60hz: www.youtube.com/watch?v=aorR...
youtube.com
The Witcher 4 Unreal Engine 5 Tech Demo 4K | State of Unreal | Unreal Fest Orlando
YouTube video by Unreal Engine
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Reposted by Jamie Hayes
Wario64 @wario64.bsky.social · 03/06/2025
The Witcher 4 tech demo at State of Unreal is running at 60 FPS with raytracing on a standard PS5
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Jamie Hayes @hazejay.bsky.social · 03/06/2025
The Witcher 4 tech demo presented at Unreal Fest today shows off the Nanite Foliage tech the team and I have been hard at work on! www.youtube.com/watch?v=FJtF...
youtube.com
The Witcher 4 - UE 5.6 Tech Demo | State of Unreal 2025
YouTube video by IGN
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Jamie Hayes @hazejay.bsky.social · 24/12/2024
“Could you update your JIRA backlog with time estimates?”
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Jamie Hayes @hazejay.bsky.social · 24/12/2024
Device Removed
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Jamie Hayes @hazejay.bsky.social · 06/12/2024
Really enjoyed this talk. Thank you!
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Jamie Hayes @hazejay.bsky.social · 04/12/2024
Wow. This image brought back memories. Wrote my very first exporter for Milkshape in university. It could only handle a single material 😆
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Reposted by Jamie Hayes
Eniko Fox @enikofox.com · 24/11/2024
where are all my programming language developers at
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
“Lord Validation, the fleet has reviewed our bindings and have determined tha… unggggggg”
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
And if I’m being honest, especially with DX going Spir-v as an IR, just choosing one language is great but syntactically I like where HLSL 2021 is headed more than Slang in some very specific ways
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
The prospect of Slang being the new multi-platform standard shading language is very interesting to me, especially in terms of bridging the gap between Vulkan and DX, but I’d really love to see these both come together syntactically wrt templates and struct member func behavior
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
ISP see what you did there
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
New site, new you. Time to upgrade to an AVX pun?
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Jamie Hayes @hazejay.bsky.social · 24/11/2024
Sometimes retroactively. I’ve gotten validation errors on code that’s been checked in for months. It’s not fair if they keep moving the goal posts!
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