Image source & code playground:

Christopher M Overton

https://codepen.io/christophermoverton/pen/yRezBa

Learning resources

Getting Creative with Perlin Noise Fields

Coding Challenge #24: Perlin Noise Flow Field

Flow Fields - TYLER HOBBS

Drawing vector field

Editable code examples

From Generative Design book:

Generative Design

Generative Design

The Coding Train:

p5.js Web Editor

Technique in action

https://twitter.com/kusakarism/status/1474359908980375552?s=21