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Unity includes a tool for baking SDF textures: 🧊 I made this experimental shader for fully volumetric glass shaped to any object using a 3D distance texture. Handles layered self-refraction in a single pass (look at the ears, when the model is rotated), + explicit backface rendering via another... show more

Mirza Beig

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65,799 views • 4 months ago •via X (Twitter)

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$Great question! 🤔 How do you simulate *multiple* layers of glass/refraction in video games? In the last breakdown, I discussed how to create a glass shader in Unity URP. In essence, we were taking the render of the scene from the camera without any transparent objects. This is available in URP as the global _CameraOpaqueTexture. This is good enough for most use-cases, and more or less the classic way of doing it. 🔍 What is _CameraOpaqueTexture? As the name implies, there are no transparent objects rendered into this texture, so it's not possible by default to have something like a transparent-type ocean material/shader rendered through a refractive glass shader (which samples and distorts this texture to render on its surface, as if it's transparent). ⚠️ Why it’s tricky: It's much easier to sort without much further setup if you don't have refraction, and only a transparent material, because in that case you're not simulating the transparency yourself via sampling the rendered scene texture. But for refraction, it's required-- unless you want to go down the ray/path tracing route. You could simulate accurate, real dispersion... and that's about as expensive as it sounds, and it requires a rework of your entire rendering. --> 🚫 It's not a viable suggestion to offer. 📚 There are well-known terms regarding transparency sorting you can search up, but as you've specifically asked for refractive boxes, I'll discuss briefly about that. 🧱 Simulating layers of refraction: For this kind of rendering, you need some way to render the backfaces before rendering the front. And the backfaces that are rendered may contain whatever data you'd like for additional processing in the layer front-facing mesh render. 🧪 Examples: You could render the back face as a glass shader of its own, as an intermediate step after _CameraOpaqueTexture. Then you sample this texture instead and you end up with multi-layered refraction, "just like that". You can also render the back normals only, via a fully opaque shader, and use that to manually account for that during the front render. You could even bake in data needed for thickness in realtime. 🛠️ Without making it complicated for yourself, the most straightforward method is via render textures, and you can easily set some fractional resolution. Cameras in Unity have an open slot for target textures to render to. You can use custom render textures to process _SelfTexture2D. ⏱️ It's great to do low-resolution processing for more complex tasks, like blurring and caustics. You can get massive performance boosts, considering the square law and number of pixels/fragments that need calculations (quadratic scaling). 🚧 I've not fully exploited the possibilities myself, but research/development with PRISM is ongoing!$

Great question! 🤔 How do you simulate multiple layers of glass/refraction in video games? In the last breakdown, I discussed how to create a glass shader in Unity URP. In essence, we were taking the render of the scene from the camera without any transparent objects. This is available in URP as the global _CameraOpaqueTexture. This is good enough for most use-cases, and more or less the classic way of doing it. 🔍 What is _CameraOpaqueTexture? As the name implies, there are no transparent objects rendered into this texture, so it's not possible by default to have something like a transparent-type ocean material/shader rendered through a refractive glass shader (which samples and distorts this texture to render on its surface, as if it's transparent). ⚠️ Why it’s tricky: It's much easier to sort without much further setup if you don't have refraction, and only a transparent material, because in that case you're not simulating the transparency yourself via sampling the rendered scene texture. But for refraction, it's required-- unless you want to go down the ray/path tracing route. You could simulate accurate, real dispersion... and that's about as expensive as it sounds, and it requires a rework of your entire rendering. --> 🚫 It's not a viable suggestion to offer. 📚 There are well-known terms regarding transparency sorting you can search up, but as you've specifically asked for refractive boxes, I'll discuss briefly about that. 🧱 Simulating layers of refraction: For this kind of rendering, you need some way to render the backfaces before rendering the front. And the backfaces that are rendered may contain whatever data you'd like for additional processing in the layer front-facing mesh render. 🧪 Examples: You could render the back face as a glass shader of its own, as an intermediate step after _CameraOpaqueTexture. Then you sample this texture instead and you end up with multi-layered refraction, "just like that". You can also render the back normals only, via a fully opaque shader, and use that to manually account for that during the front render. You could even bake in data needed for thickness in realtime. 🛠️ Without making it complicated for yourself, the most straightforward method is via render textures, and you can easily set some fractional resolution. Cameras in Unity have an open slot for target textures to render to. You can use custom render textures to process _SelfTexture2D. ⏱️ It's great to do low-resolution processing for more complex tasks, like blurring and caustics. You can get massive performance boosts, considering the square law and number of pixels/fragments that need calculations (quadratic scaling). 🚧 I've not fully exploited the possibilities myself, but research/development with PRISM is ongoing!

Mirza Beig

51,429 views • 1 year ago

#UEFN Material tips 🗣️🔥 Use Bump Offset to create fake depth for textures. In this example, I used it to add a darker secondary fence texture that feels behind the main one, like in the 3D world, while remaining a 2D texture applied to the mesh.

#UEFN Material tips 🗣️🔥 Use Bump Offset to create fake depth for textures. In this example, I used it to add a darker secondary fence texture that feels behind the main one, like in the 3D world, while remaining a 2D texture applied to the mesh.

Giova

16,966 views • 1 year ago

Deus EX: MD's frosted glass panels. Playing for... research/reference. 🙂🤗 This game is ~10 years old! I love the masking effects, but you can see it's *not* rendering multiple layers of transparency. Most likely, they have a single blurred texture which they blend.

Deus EX: MD's frosted glass panels. Playing for... research/reference. 🙂🤗 This game is ~10 years old! I love the masking effects, but you can see it's not rendering multiple layers of transparency. Most likely, they have a single blurred texture which they blend.

Mirza Beig

170,544 views • 4 months ago

Virtual Textures in the Browser. This is a WebGL 2.0 implementation I did in 2023. The car model is from Sketchfab by Pavel Matoušek. It's a worst-case for virtual textures because the texture is generated from photogrametry software and has pathologically bad UV layout. The texture is 16,384 x 16,384 pixels, which is 180 Mb of PNG data. Loading this in Blender would crash Blender for me back then. The GPU memory requirement for this texture is 1 Gb. The VT displays the model after loading just 34 Kb (one tile). The other tiles are fetched in via a smart priority queue in the background as you move camera around the scene. The physical page texture is 2k, which is 16 times smaller than the source. The solution supports multiple separate virtual textures, and has GLTF integration. Texture filtering as well as anisotropy are fully supported as well. You can try the demo yourself here: Here's a writeup I did while working on this: The video recorded on a very crummy internet connection and I intentionally reload the page in the middle. The delay comes from the geometry download, actual texture part is near-instant.

Virtual Textures in the Browser. This is a WebGL 2.0 implementation I did in 2023. The car model is from Sketchfab by Pavel Matoušek. It's a worst-case for virtual textures because the texture is generated from photogrametry software and has pathologically bad UV layout. The texture is 16,384 x 16,384 pixels, which is 180 Mb of PNG data. Loading this in Blender would crash Blender for me back then. The GPU memory requirement for this texture is 1 Gb. The VT displays the model after loading just 34 Kb (one tile). The other tiles are fetched in via a smart priority queue in the background as you move camera around the scene. The physical page texture is 2k, which is 16 times smaller than the source. The solution supports multiple separate virtual textures, and has GLTF integration. Texture filtering as well as anisotropy are fully supported as well. You can try the demo yourself here: Here's a writeup I did while working on this: The video recorded on a very crummy internet connection and I intentionally reload the page in the middle. The delay comes from the geometry download, actual texture part is near-instant.

Alex Goldring

19,368 views • 6 months ago

I'm not certain how I came across this tool, but it has proven to be extremely helpful for creating some texture effects while I work on stylized shaders. Below is a quick preview of the most useful effects. #3d #texture #tips #tools

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Ciro Cardoso

61,824 views • 1 year ago

Ever since I saw the 'pass through' fidgets, I wanted to try using the same technique for something a bit bigger. It took me a while to get it smooth, but here is my Twisted Headphone Stand. Stls and 3mf:

Ever since I saw the 'pass through' fidgets, I wanted to try using the same technique for something a bit bigger. It took me a while to get it smooth, but here is my Twisted Headphone Stand. Stls and 3mf:

3DPrintBunny

18,017 views • 1 year ago

Here's a look at the new updated body textures for our 3D customizable vtuber model! :D I wanted to soften the shading and add more detail -^u^- ✨ Only 28 days left until the update releases!💜

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Pastell & Palette🤍 3D Customizable Model!

15,876 views • 1 month ago

FASTER for #Amiga OCS/ECS: I never imagined saying this in a million years, but I seem to be struggling to get the performance I need out of the blitter, and I don't even have all the stuff on screen yet! Anybody know a faster way of rendering bobs than the cookie cutter method?

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Jonathan Thomas @atariste.bsky.social

13,897 views • 1 year ago

ok a full view of the in progress new vox model it will be FREE Includes 4 wires on the model and all the others are separated since it's spline rigged i think will be fine for use normal suit casual suit vox populi song suit face MUST be animated SEPARATED in another file and used as TEXTURE on his monitor, the v1 vox method worked fine but was a lil limited tbh and could break easily, this one works better and it's more accurate texture are simple but cool i guess? i didn't wanted to use cell shader again

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Lukasz 🇧🇷

42,424 views • 8 months ago

you can't tell me AI isn't a game changer for programming it's connecting over webrtc the screen is made of 16 by 16 regions each region is 256 by 256 ive come up with a custom encoding I spam UDP packets for each reigion for each client each region is designed to fit in a single packet the next state of the simulation is computed in my GPU using cuda the cuda is linked to golang the program manages a double buffer this is so that the network broadcastloop doesn't contend with the cuda update for the object when you write it sends a udp packet for every mouse event i manage a stream to update it on my gpu the client takes each packet and has custom webgl to update the regions and render everything in a single pass. texture 3d

you can't tell me AI isn't a game changer for programming it's connecting over webrtc the screen is made of 16 by 16 regions each region is 256 by 256 ive come up with a custom encoding I spam UDP packets for each reigion for each client each region is designed to fit in a single packet the next state of the simulation is computed in my GPU using cuda the cuda is linked to golang the program manages a double buffer this is so that the network broadcastloop doesn't contend with the cuda update for the object when you write it sends a udp packet for every mouse event i manage a stream to update it on my gpu the client takes each packet and has custom webgl to update the regions and render everything in a single pass. texture 3d

kache

97,819 views • 1 year ago

A ~Special~ date with Nikki ~ I wanted to try something doing something really "out there" for this Valentine's. So I went with, "Using hypnosis on a date in Huniepop." This isn't exactly what I had in mind, but it's as close as I can get. I hope you guys enjoy it

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H🔞 (Orders/Comms Always Open)

14,783 views • 2 years ago

When creating your outline mask for your model, consider the outlines in 3D and where you can set the size to 0 to pinch spots that don't look good. I made a little Unity tool to show the effect in real time. かめ山 / kameyama 's kipfel used as an example.

When creating your outline mask for your model, consider the outlines in 3D and where you can set the size to 0 to pinch spots that don't look good. I made a little Unity tool to show the effect in real time. かめ山 / kameyama 's kipfel used as an example.

poiyomi

11,579 views • 1 year ago

so i guess because my pc got wiped i might as well posted something i had baking in the oven for quite a while really wanted to do an animation meme but i lost the files to everything so this is all i have left :[

so i guess because my pc got wiped i might as well posted something i had baking in the oven for quite a while really wanted to do an animation meme but i lost the files to everything so this is all i have left :[

🏳️‍⚧️ CAWSMIC 🏳️‍⚧️

88,501 views • 2 years ago

This is a pretty wild model! You can use it to turn an image into a 3D object with texture. The quality is out of this world! I'm not even a designer, and I've been using this nonstop for the last 2 hours. The model is Hunyuan 3D 2.1. It's open source. You'll find model weights, training/inference code, data pipelines, and architecture on their repository. You can even fine-tune it if you want! GitHub Repository: By the way, the model runs on consumer-grade GPUs. You don't need a datacenter for this! I've been using the model from the HuggingFace demo page: To use it, go to the link and upload an image. That's it! Check out the video I recorded for a couple of examples.

This is a pretty wild model! You can use it to turn an image into a 3D object with texture. The quality is out of this world! I'm not even a designer, and I've been using this nonstop for the last 2 hours. The model is Hunyuan 3D 2.1. It's open source. You'll find model weights, training/inference code, data pipelines, and architecture on their repository. You can even fine-tune it if you want! GitHub Repository: By the way, the model runs on consumer-grade GPUs. You don't need a datacenter for this! I've been using the model from the HuggingFace demo page: To use it, go to the link and upload an image. That's it! Check out the video I recorded for a couple of examples.

Santiago

44,783 views • 1 year ago

First, I built only a debugging tool for my new STEP-to-STL converter, but this project quickly became the 3D model viewer I'd always wanted! Try it Free & OpenSource:

First, I built only a debugging tool for my new STEP-to-STL converter, but this project quickly became the 3D model viewer I'd always wanted! Try it Free & OpenSource:

Stefan - CNC Kitchen

48,493 views • 8 days ago

This is what a hand drawn SDF shadow map looks like on a 3D vtuber model! A lot of games that have an anime art style use this technique🩷 I wanted to try making my own for our 3D customizable vtuber avatar✨It will be included for free in the first update!

Pastell & Palette🤍 3D Customizable Model!

23,129 views • 7 months ago

I always wanted to try writing a MUD (old school multi-user dungeon/text adventure game). Playing MUDs is what inspired me to work on World of Warcraft. I used Grok to generate a command parser for the game in python. Took about 15 tries this morning to get something that would handle what I wanted. It handles "intents" like move, attack. It can chain commands and also understands moving into and out of objects "climb in the well." It can handle some simple inference, like using "it" to refer to the last object used. It's a fun experiment. I'll keep it going from time to time.

I always wanted to try writing a MUD (old school multi-user dungeon/text adventure game). Playing MUDs is what inspired me to work on World of Warcraft. I used Grok to generate a command parser for the game in python. Took about 15 tries this morning to get something that would handle what I wanted. It handles "intents" like move, attack. It can chain commands and also understands moving into and out of objects "climb in the well." It can handle some simple inference, like using "it" to refer to the last object used. It's a fun experiment. I'll keep it going from time to time.

Grummz

31,317 views • 1 year ago

Summer Bronya I was editing this model when I thought about making an image like this, but in the process I decided to make it animated. I also tried a new way of doing physics for hair/clothes I couldn't add something animated for the background, sorry I'll try to practice

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Summer Bronya I was editing this model when I thought about making an image like this, but in the process I decided to make it animated. I also tried a new way of doing physics for hair/clothes I couldn't add something animated for the background, sorry I'll try to practice

M K.

31,611 views • 1 year ago

So the title might be a bit bombastic, but if this isn't one of the most incredible glimpses of a future way of creating and rendering 3D.. I don't know what is. This was sculpted on my PS5 in mere minutes and transformed as I was sculpting, through a "Real-time Latent Consistency Model". Sony, you should reconsidder your plans for Dreams and make a Dreams V2 with generative AI or sell it to someone that will.. just saying ♥️ No other 3D tool would allow me to sculpt this freely which turns out to be a super-power in the land of AI. #madeindreams #ai

So the title might be a bit bombastic, but if this isn't one of the most incredible glimpses of a future way of creating and rendering 3D.. I don't know what is. This was sculpted on my PS5 in mere minutes and transformed as I was sculpting, through a "Real-time Latent Consistency Model". Sony, you should reconsidder your plans for Dreams and make a Dreams V2 with generative AI or sell it to someone that will.. just saying ♥️ No other 3D tool would allow me to sculpt this freely which turns out to be a super-power in the land of AI. #madeindreams #ai

Martin Nebelong

241,310 views • 2 years ago

I took a quick look at #CrimsonDesert Patch 1.04.02 and there’s a clear improvement to texture quality on distant objects. This is visible across all Texture Quality settings, especially the higher ones. However, this improvement isn’t free, VRAM usage is noticeably higher particularly at higher texture settings. The patch also brings a slight uplift in distant Level of Detail, but it mostly affects far-away objects and doesn’t fix or reduce the game’s aggressive pop-in closer to the camera.

I took a quick look at #CrimsonDesert Patch 1.04.02 and there’s a clear improvement to texture quality on distant objects. This is visible across all Texture Quality settings, especially the higher ones. However, this improvement isn’t free, VRAM usage is noticeably higher particularly at higher texture settings. The patch also brings a slight uplift in distant Level of Detail, but it mostly affects far-away objects and doesn’t fix or reduce the game’s aggressive pop-in closer to the camera.

BenchmarKing

49,028 views • 2 months ago