#sdf
// 3 pages tagged #sdf · every tag
- Ray marching & signed distance fields
Notes on ray marching, signed distance functions, and the tricks that make them sing. - Designing Scalar Fields for Procedural Terrain
How to compose height, noise, caves, brushes, and materials into a scalar field that Marching Cubes can sample reliably. - Normals for Implicit Surfaces
How to recover stable, smooth normals from scalar fields, finite differences, and gradients — including chunk boundaries and transformed spaces.