Topics

Signed distance fields

A signed distance field returns the distance to a surface, negative inside it. The reason they matter is that they compose: union is a min, intersection is a max, and a smooth-minimum blends two shapes into one without any geometry to stitch.

7 shaders

• Explained GLSL
  2D SDF Shape Toolkit GameDev.net 2DSDFbeginner
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• Explained GLSL
  Combining Distance Fields GameDev.net 2DSDFintermediate
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• Explained GLSL
  Smooth SDF Blending GameDev.net 2DSDFblending
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• Explained GLSL
  Raymarching a Sphere GameDev.net 3DSDFraymarching
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• Explained GLSL
  3D SDF Primitive Gallery GameDev.net 3DSDFraymarching
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• Explained GLSL
  Repeating a 3D Scene GameDev.net 3DSDFraymarching
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• Explained GLSL
  Calculating Surface Normals GameDev.net 3DSDFraymarching
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