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Module

Noise

Generate and combine commonly used procedural noise patterns and distributions.

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Symbols

Protocols

protocol Noise

A procedural noise generator.

Structures

struct SimplexNoise2D

A type of two-dimensional gradient noise (sometimes called Perlin noise), suitable for texturing two-dimensional planes. Simplex noise is supported in the library mainly because it has historical significance; it has since been superseded by the less popular, but more powerful and more efficient super-simplex noise.

struct SuperSimplexNoise2D

A type of two-dimensional gradient noise (sometimes called Perlin noise), suitable for texturing two-dimensional planes. Super-simplex noise is an improved version of simplex noise which runs faster and scales better to higher dimensions.

struct SuperSimplexNoise3D

A type of three-dimensional gradient noise (sometimes called Perlin noise), suitable for texturing arbitrary three-dimensional objects.

struct CellNoise2D

A type of two-dimensional cellular noise (sometimes called Worley noise, or Voronoi noise), suitable for texturing two-dimensional planes.

struct CellNoise3D

A type of three-dimensional cellular noise (sometimes called Worley noise, or Voronoi noise), suitable for texturing arbitrary three-dimensional objects.

struct DiskSampler2D

A point sampler capable of producing uniform and roughly-evenly spaced pseudo-random point distributions in the plane. Disk sampling is sometimes referred to as Poisson sampling.

struct FBM

A generic fractal noise generator, capable of overlaying multiple instances of procedural noise at increasing frequencies.

struct PermutationTable

An 8-bit permutation table useful for generating pseudo-random hash values.

struct RandomXorshift

A cryptographically unsecure 128-bit Xorshift pseudo-random number generator.