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Raymarching and Signed Distance Functions (SDF) in HLSL / GLSL Shaders

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4y ago · May 14, 2022 6:56 PM

Raymarching sphere tracing evaluates 3D SDF geometry (spheres, boxes, toruses, smooth blending) entirely on the GPU inside a pixel shader.

GlowShader | Shaders, Stencils & DirectX DrawLists

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4y ago · May 14, 2022 10:28 PM

Smooth minimum function smin(a, b, k) creates organic liquid metaball blending between separate meshes.

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4y ago · May 15, 2022 3:28 AM

Calculating surface normals via the gradient of the distance field allows full Phong and PBR lighting calculations!

DirectXRay · DirectX 12 & Vulkan Command Lists

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