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Flow Field

Everything below is normally invisible. It is what search engines and LLMs read to decide whether to retrieve and cite this page.

About

A flow-field painter: nine hundred particles wander a hidden landscape of noise, each turning to follow the slope beneath it. Their faint trails accumulate into rivers and eddies. Hit “new field” for a different landscape.

How it works

Each particle samples 2D simplex noise at its position to get a heading, steps forward, and draws a low-alpha segment. Wrapping at the edges and a faint fade each frame give the flowing look. Pure canvas.

Metadata
title
Flow Field
description
Hundreds of particles drift through an invisible field of noise, leaving soft trails that build into flowing forms. Generative, in the browser.
canonical
https://kaspirius.com/flow-field
updated
Last updated
Heading outline
Structured data (JSON-LD)
TechArticle

Same as Article, flagged as technical/developer reference material.

{
  "@context": "https://schema.org",
  "@type": "TechArticle",
  "headline": "Flow Field — toy",
  "description": "Hundreds of particles drift through an invisible field of noise, leaving soft trails that build into flowing forms. Generative, in the browser.",
  "url": "https://kaspirius.com/flow-field",
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://kaspirius.com/flow-field"
  },
  "datePublished": "2026-06-18",
  "dateModified": "2026-06-18",
  "author": {
    "@type": "Person",
    "name": "kaspirius",
    "url": "https://kaspirius.com"
  },
  "publisher": {
    "@type": "Organization",
    "name": "kaspirius",
    "url": "https://kaspirius.com"
  }
}
↖ kaspirius