Ghislain Girardot

@GhislainGir • 15,941 subscribers

Indie Game Developer and Unreal Engine Content Creator. Worked on Spyro: Reignited Trilogy and Shardbound.

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Ghislain Girardot

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#UE5 #gamedev I was once again astonished by the cost of using a scene capture comp (~1ms😡) and I had a gut feeling a better solution was out there... Yes, turns out building a custom particle syst &amp; renderer using Niagara Array &amp; Grid 2D interfaces did the trick (~0.05ms🤯)

Nanite Programmable Path seems too costly to consider WPO for the most basic things... Uh, I don't like it. Feels like everything I'm tempted to do as a tech artist is no longer an option. Moving vertices used to be cheap :( So here's a hacky NO-WPO prototype 🧵

🥳New 30-min video out! I dive into different ways to rasterize dynamic effects (explosions, attacks, etc.) using Niagara, and show how to apply them to foliage &amp; particles. Check it out!⬇️

#UE5 #gamedev #vfx #tutorial 🥳I released a video that should help you get started with setting up skeletal foliage interaction in UE5. Link below ⬇️

#UE5 #UETips Friendly reminder Epic's UIMaterialLab project is free to download and is packed with tons of goodies and material tricks including SDFs functions to generate all kind of shapes, plenty of easing functions and more.

#UE5 #gamedev #indiedev This is the first asset I released on my Patreon, three years ago :) I'm starting the long process of updating all my projects to 5.5, just to check everything still works. It'll be a good opportunity to bring some older projects under the spot light.

#UE5 #gamedev #indiedev Saturday experiment. Three image widgets. Hover FX is done in a cheap UI material. More info in the thread 🧵

#UE5 #gamedev #tutorial I'm releasing a new breakdown video this week end :) Stay tuned

#UE5 #gamedev #tutorial #UETips #UnrealEngine 🥳New video is out on my YT! I go over many techniques commonly used in UE to make characters interact with the ground, water, particles etc. I also break down a system I built to generate your own interaction data from capsules.

#UnrealEngine5 #UE5 #gamedev #realtimeVFX 🥳It's out!!! Here's a 30min-long demo of my custom waterfall generation tool, PLUS almost 1h30 of a thorough technical breakdown and tips &amp; tricks on all the cool UE features that allowed me to build this!

#UnrealEngine5 #UE5 #gamedev Too ashamed to admit how much I struggled with this but here it is 😅 Jump Flood Algorithm ported to Niagara to create outlines using the custom stencil buffer and a cheap edge detection algorithm. Still a bit rough but it's working!

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#UnrealEngine #UE5 One week of bug fixes and endless tweaks later... I'm extremely happy the splashes &amp; buoyancy now! The rest could get some love but it'll have to do... Breakdown video is in the works! *Lots* to talk about so it's going to be split into three parts😁Stay tuned!

#UE5 #UnrealEngine5 Spending way too much time on this waterfall tool. I've finally reached a look I'm happy with tho! Turns out Dithered opacity + motion blur was the solution after all. Had too many issues with translucency. I'll explain everythg in the upcoming brkdwn video =)

#UE5 #gamedev #vfx DoF is the biggest cheat to make something look good. It looks kinda cool in 4K tho, ngl 😁 Yes, still working on this. The devil lies in the details &amp; Grass LOD is super hard! Started working on breakdown video part1. Audio is done! ~35min video incoming

Decided to try Position-Based Fluids for a first go at realtime fluids. I think I got the algorithm wrong, I've got weird boundary behavior. Meh, I suck at maths, it's an infinite pain to go through academic papers :(

🥳New video just dropped on YouTube! 🎥 A 40-minute deep dive into building a Niagara-based swarm VFX — featuring particle-particle overlap solving, avoidance systems (particles, pawns, obstacles), surface projection, slope handling, GPU↔CPU↔GPU particle swapping, and more. 👇

#UE5 I just released a 3 hours long video documenting my own journey through volumetric clouds &amp; systemic weather in UE.

#UnrealEngine #UE5 #gamedev Dayum, super stoked on this!😁Visuals need some love but it's very statisfying already. Splashes are generated based on the velocity at points all around the boat &amp; are further injected into a foam diffusion system once intersecting with the water

#UE5 #gamedev #vfx #techart Continuing with my strand-based simulated foliage experiments... Still some work to do

#UE5 I swear, this project is costing me health points. Struggling so much. So many quirks to figure out still and needs a serious beautify pass (psst, Horizon, what the hell are you doing with your erosion pass to get something that looks that nice across all scales)

#UE5 #vfx One more cloud tool done! I can build a complex cloud material and bake it into a volume texture. It took me most of the day because working with pseudo volume textures can be a wild ride: lots of UVs manipulation that can go wrong, either during writes or reads...

#UE5 #vfx Today's doodle. It'd be nice for the wetness map to fade downward along the character's surface but I have a feeling this is tricky to do. Dunno, might give it a try tomorrow.

#UnrealEngine5 #UE5 That has to be my favorite UE5.3 feature: Delaunay triangulation😁 Here's a quick test using PCG to sample points in the world. Points are sent to Geometry Scripting and its new Delaunay node to create a 2D triangulated surface which is reprojected into 3D.

#UE5 #gamedev #vfx Working super hard on my introduction to 'Niagara's NeighborGrid3D interface/PBD' video.

#UE5 #gamedev I was once again astonished by the cost of using a scene capture comp (~1ms😡) and I had a gut feeling a better solution was out there... Yes, turns out building a custom particle syst & renderer using Niagara Array & Grid 2D interfaces did the trick (~0.05ms🤯)

🥳New 30-min video out! I dive into different ways to rasterize dynamic effects (explosions, attacks, etc.) using Niagara, and show how to apply them to foliage & particles. Check it out!⬇️

#UnrealEngine5 #UE5 #gamedev #realtimeVFX 🥳It's out!!! Here's a 30min-long demo of my custom waterfall generation tool, PLUS almost 1h30 of a thorough technical breakdown and tips & tricks on all the cool UE features that allowed me to build this!

#UnrealEngine #UE5 One week of bug fixes and endless tweaks later... I'm extremely happy the splashes & buoyancy now! The rest could get some love but it'll have to do... Breakdown video is in the works! Lots to talk about so it's going to be split into three parts😁Stay tuned!

#UE5 #gamedev #vfx DoF is the biggest cheat to make something look good. It looks kinda cool in 4K tho, ngl 😁 Yes, still working on this. The devil lies in the details & Grass LOD is super hard! Started working on breakdown video part1. Audio is done! ~35min video incoming

#UE5 I just released a 3 hours long video documenting my own journey through volumetric clouds & systemic weather in UE.

#UnrealEngine #UE5 #gamedev Dayum, super stoked on this!😁Visuals need some love but it's very statisfying already. Splashes are generated based on the velocity at points all around the boat & are further injected into a foam diffusion system once intersecting with the water