A procedural noise generator whose output is a type of fractal coherent noise with smooth features.
- iOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 10.0+
Billow noise is similar to Perlin noise (see the
GKPerlin class), but with more rounded features resembling natural phenomena such as treetops and hills.
GKNoise subclasses, a billow noise source represents a noise generation algorithm and its parameters. To make use of a noise source, first create
GKNoise object from it (and optionally apply operations to that noise object or combine it with other noise objects). Then create a
GKNoise object from your noise object, generating a concrete field of values that you can sample from directly or visualize using the