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✨ Shader trick: > Depth blending used as an outline shader. The underlying opaque geometry acts as a mask for the transparent shell. You can use it for stylized highlights. Vertices are expanded along mesh normals, same as you would for inverse-hull outlines. #gamedev #realtimevfx

Mirza Beig

29,206 subscribers

21,153 Aufrufe • vor 1 Jahr •via X (Twitter)

Gaming Wissenschaft & Technologie #gamedev

Anya Rossi• Live Now

Private livecam show

7 Kommentare

Profilbild von Mirza Beig

Mirza Beigvor 1 Jahr

Invert depth to -only- render over the mesh.

Profilbild von Scoutfreak 🔜Frosty Faustings

Scoutfreak 🔜Frosty Faustingsvor 1 Jahr

Always great stuff from you, keep it up

Profilbild von miguel villa floran

miguel villa floranvor 1 Jahr

Remarkable, what game engine is this?

Profilbild von Mirza Beig

Mirza Beigvor 1 Jahr

Unity.

Profilbild von Nicolas Colaleo

Nicolas Colaleovor 1 Jahr

do you know if there is a way to fadeout the outline? so it will feel more glowy? without abusing bloom

Profilbild von Otano Studio

Otano Studiovor 1 Jahr

Are you rendering the mesh twice?

Profilbild von Mirza Beig

Mirza Beigvor 1 Jahr

Yes.

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Mirza Beig

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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!$

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Mirza Beig

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aVersionOfReality

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Here's the truth about what's to come for you - Might as well prepare for it if you can - #gamedev #indiedev

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Royal Skies

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aVersionOfReality

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I've open-sourced my runtime nanite mesh creator! You can use it to create nanite meshes from your own geometry at runtime. It's extremely cheap as all it does is transcode vertex data into the nanite format. (link below) #ue5 #gamedev #indiedev

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Victor Careil

42,914 Aufrufe • vor 2 Jahren

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The Fondant Custom Normals v1.0.0 addon for Blender is finally out! Now you can fix most topology issues in your 3D anime and toon shading. Can be used directly in Blender, or as Custom Vertex Normals for game and vtuber models. Link in the next message. The basic addon is completely free. We will continue releasing more character tools in the near future, including an adjustable proxy mesh for anime faces.

aVersionOfReality

273,978 Aufrufe • vor 1 Jahr

CSS Trick! 🤙 You can create gradient borders on translucent elements using mask-clip and mask-composite with a pseudo-element 🔥 .gradient-border::after { mask-clip: padding-box, border-box; mask-composite: intersect; mask: linear-gradient(transparent, transparent), linear-gradient(white, white); } It's the same "Transparent border trick" from before. But, now you apply it to a pseudo-element 😎 The trick is to create a pseudo-element with a gradient background and then mask it so we only see the part we want, the border ✨ mask-clip defines the area affected by a mask. Similar to how you can define background-size. Using padding-box and border-box constrains the two masks. mask-composite is the magic part ✨ It defines a compositing operation for stacked mask layers. Using intersect means that the parts that overlap get replaced. And this seems to work in all browsers 🙌 As for the rest of the styles... – Make sure you set pointer-events: none on the pseudo-element – Make sure it fills the parent element. You can use position: absolute and inset: 0 – Make sure the background fills the space including the border-width. You can use calc to achieve that: --bg-size: calc(100% + (2px * var(--border))); background: var(--gradient) center center / var(--bg-size) var(--bg-size); That's it! 🚀 Gradient borders on translucent elements. You can set all the backdrop-filter: blur() you like! 😅 CodePen.IO link below! 👇

CSS Trick! 🤙 You can create gradient borders on translucent elements using mask-clip and mask-composite with a pseudo-element 🔥 .gradient-border::after { mask-clip: padding-box, border-box; mask-composite: intersect; mask: linear-gradient(transparent, transparent), linear-gradient(white, white); } It's the same "Transparent border trick" from before. But, now you apply it to a pseudo-element 😎 The trick is to create a pseudo-element with a gradient background and then mask it so we only see the part we want, the border ✨ mask-clip defines the area affected by a mask. Similar to how you can define background-size. Using padding-box and border-box constrains the two masks. mask-composite is the magic part ✨ It defines a compositing operation for stacked mask layers. Using intersect means that the parts that overlap get replaced. And this seems to work in all browsers 🙌 As for the rest of the styles... – Make sure you set pointer-events: none on the pseudo-element – Make sure it fills the parent element. You can use position: absolute and inset: 0 – Make sure the background fills the space including the border-width. You can use calc to achieve that: --bg-size: calc(100% + (2px * var(--border))); background: var(--gradient) center center / var(--bg-size) var(--bg-size); That's it! 🚀 Gradient borders on translucent elements. You can set all the backdrop-filter: blur() you like! 😅 CodePen.IO link below! 👇

jhey ʕ•ᴥ•ʔ

269,847 Aufrufe • vor 2 Jahren

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28,406 Aufrufe • vor 1 Jahr