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URP particle-based screen distortion. 🖥️ Particles are in the 3D world, but use screen coordinates to distort what's behind them. Excellent for shockwaves! ⭕️ A bit more work + polish, and I can throw the shader on GitHub. #unity3d #gamedev #realtimevfx

Mirza Beig

29,111 subscribers

86,693 просмотров • 3 лет назад •via X (Twitter)

Игры Наука и технологии Образование #unity3d #gamedev #realtimevfx

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Комментарии: 10

Фото профиля Mirza Beig

Mirza Beig3 лет назад

During the debug view, you'll see what's basically this.

Фото профиля Mirza Beig

Mirza Beig3 лет назад

Also working on a system for particle tracking.

Фото профиля Mirza Beig

Mirza Beig2 лет назад

Creamy-smooth distortion. 🍦

Фото профиля Mirza Beig

Mirza Beig3 лет назад

Updated the interactive demo, here: 👉

Фото профиля Mirza Beig

Mirza Beig2 лет назад

Setting up a 'pond' demo scene for release.

Фото профиля Mirza Beig

Mirza Beig3 лет назад

Aaaand, I've gone too far.

Фото профиля Mirza Beig

Mirza Beig2 лет назад

Progress.

Фото профиля Mirza Beig

Mirza Beig2 лет назад

Remake and cleanup :)

Фото профиля lucasfera15

lucasfera153 лет назад

Amazing! The distortion also affects transparent materials?

Фото профиля Mirza Beig

Mirza Beig3 лет назад

There are very few transparent materials in the scene. I think maybe only two, and one of them is the distortion. The other one is behind it, as a soft glow for when the particles strike the cube. 💥

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One of the features I find lacking in Unity's trail renderer is something like 'Noise over Lifetime' to add wispy, fluid-like motion along the length of the trail mesh. ✨ Shaders to the rescue: Below is a particle system emitting trails with my caustic noise fire shader. I'm masking the 3D vertex offsets by the UV axis. #unity3d #gamedev #realtimevfx

One of the features I find lacking in Unity's trail renderer is something like 'Noise over Lifetime' to add wispy, fluid-like motion along the length of the trail mesh. ✨ Shaders to the rescue: Below is a particle system emitting trails with my caustic noise fire shader. I'm masking the 3D vertex offsets by the UV axis. #unity3d #gamedev #realtimevfx

Mirza Beig

49,295 просмотров • 1 год назад

$🧑‍🏫 How to make a glass/refraction shader: 🍷 Refraction will ultimately have the effect that whatever is behind your mesh should appear distorted by the surface of the mesh itself. We're not going for external caustics projection, just modelling glass-like, distorting "transparency". 🌆 In Unity, you can sample the *global* _CameraOpaqueTexture (make sure it's enabled in your URP asset settings), which is what your scene looks like rendered without any transparent objects. In Shader Graph, you can simply use the Scene Colour node. 🔢 The UVs required for this texture are the normalized screen coordinates, so if we offset/warp/distort these coordinates and sample the texture, we ultimately produce a distorted image. We can offset the UVs by some normal map, as well as a refraction vector based on the direction from the camera -> the vertex/fragment (flip viewDir, which is otherwise vertex/fragment -> camera) and normals of the object. 📸 Input the (reversed) world space view direction and normal into HLSL refract. **Convert the refraction direction vector to tangent space before adding it to the screen UV.** Use the result to sample _CameraOpaqueTexture. refract(-worldViewDirection, worldNormal, eta); eta -> refraction ratio (from_IOR / to_IOR), > for air, 1.0 / indexOfRefraction (IOR). IOR of water = 1.33, glass = 1.54... 💡 You can also do naive "looks about right" hacks: fresnel -> normal from grayscale, which can be used for distortion. Or distort it any other way (without even specifically using refract at all), really... 🧠 Thus, even if your object is rendered as a transparent type (and vanilla Unity URP will require that it is), it is fully 'opaque' (max alpha), but it renders on its surface what is behind it, using the screen UV. If you distort those UVs by the camera view and normals of the surface it will be rendered on, it then appears like refractive glass on that surface. > Transparent render queue, but alpha = 1.0.$

🧑‍🏫 How to make a glass/refraction shader: 🍷 Refraction will ultimately have the effect that whatever is behind your mesh should appear distorted by the surface of the mesh itself. We're not going for external caustics projection, just modelling glass-like, distorting "transparency". 🌆 In Unity, you can sample the global _CameraOpaqueTexture (make sure it's enabled in your URP asset settings), which is what your scene looks like rendered without any transparent objects. In Shader Graph, you can simply use the Scene Colour node. 🔢 The UVs required for this texture are the normalized screen coordinates, so if we offset/warp/distort these coordinates and sample the texture, we ultimately produce a distorted image. We can offset the UVs by some normal map, as well as a refraction vector based on the direction from the camera -> the vertex/fragment (flip viewDir, which is otherwise vertex/fragment -> camera) and normals of the object. 📸 Input the (reversed) world space view direction and normal into HLSL refract. Convert the refraction direction vector to tangent space before adding it to the screen UV. Use the result to sample _CameraOpaqueTexture. refract(-worldViewDirection, worldNormal, eta); eta -> refraction ratio (from_IOR / to_IOR), > for air, 1.0 / indexOfRefraction (IOR). IOR of water = 1.33, glass = 1.54... 💡 You can also do naive "looks about right" hacks: fresnel -> normal from grayscale, which can be used for distortion. Or distort it any other way (without even specifically using refract at all), really... 🧠 Thus, even if your object is rendered as a transparent type (and vanilla Unity URP will require that it is), it is fully 'opaque' (max alpha), but it renders on its surface what is behind it, using the screen UV. If you distort those UVs by the camera view and normals of the surface it will be rendered on, it then appears like refractive glass on that surface. > Transparent render queue, but alpha = 1.0.

Mirza Beig

125,253 просмотров • 1 год назад

And it works!!!!!!! 😍👌 Made a whole computer room from 1995 with Three.js on the web using Claude Code (on the server) in just a few hours I can connect to the internet and surf the web, play DOOM and mIRC and read the news, all in 3d now I like going super close to the screen and see the pixels I can't get blended occlusion to work yet though (so screen still shows as a perpetual overlay), maybe mrdoob knows how to fix And I have to figure out how to add that border-radius/distortion to the screen too But very nice progress for today 😊

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What's y'alls thoughts on Starting Soon Screens? I see some folk go 5, 10, even 20mins on them, but I have yet to make/use one myself 😅 I just throw Clucks (TTS pet) in the middle of the screen for ~1-2mins & yap while I get situated. Then go straight into w/e we're gonna do

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Clover 🍀🐮

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16,275 просмотров • 10 месяцев назад

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14,398 просмотров • 10 месяцев назад

$I am having a lot of fun with this ThreeJS game. Will probably be spending more time on this cosy flyer game for #vibejam And btw, shaders are awesome! I highly recommend anyone building a 3D game to add some shaders to make your game look good. Here's a quick primer on the different types of shaders you can tell your AI to level up your game's graphics: - Noise-based shader for water refractions or shimmer - Fresnel shader for a nice rim lighting effect on your 3D game objects - Post-processing shader to change your game's color scheme dynamically - Post-processing shaders like the VHS effect that @levelsio use for the Drone flyer game - Shader effect to make the trees sway or objects wobble - and many more uses Shaders are incredibly versatile and useful. I would recommend you to go YT to check out some shader basics videos and come up with more creative uses for them!$

I am having a lot of fun with this ThreeJS game. Will probably be spending more time on this cosy flyer game for #vibejam And btw, shaders are awesome! I highly recommend anyone building a 3D game to add some shaders to make your game look good. Here's a quick primer on the different types of shaders you can tell your AI to level up your game's graphics: - Noise-based shader for water refractions or shimmer - Fresnel shader for a nice rim lighting effect on your 3D game objects - Post-processing shader to change your game's color scheme dynamically - Post-processing shaders like the VHS effect that @levelsio use for the Drone flyer game - Shader effect to make the trees sway or objects wobble - and many more uses Shaders are incredibly versatile and useful. I would recommend you to go YT to check out some shader basics videos and come up with more creative uses for them!

Danny Limanseta

202,718 просмотров • 4 месяцев назад

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swyx

1,051,687 просмотров • 2 лет назад

What actually is this??? Got this screen a few times randomly on V14 builds so far. Yun-Ta Tsai can you cue us in to what this screen means? It’s only ever when parked but does lock up the screen for a bit

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Doug 📐

54,013 просмотров • 7 месяцев назад