ScottieFox/caustic-volume
Real-time water caustics in the browser, built on three.js. Single-file lite and sandbox versions.
About the project
Real-time water caustics in the browser built on three.js: sunlight bends through a moving water surface and gathers into bright shifting lines on the pool floor. Two single-file HTML versions, lite and sandbox, with no install or build step.
Useful for
- Open lite/index.html to view caustics with no install or build step
- Study the ~990-line source as an example of wave and caustics simulation in three.js
- Run the sandbox version to push a GPU with objects, ink and a laser
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.
Why it’s trending
- 19 stars so far today, about 39 expected by the end of the day.
- The spike has held for 2 days in a row — not a one-off blip.
- The repository is 1 day old and already has 81 stars. With less than two weeks of history, there's no usual pace to compare the spike against yet.
- Top new repositories this week: #190.
- About 11 forks a day — people are taking the code.
- Recent forks include notable developers: @unitycoder (1,014 followers).
Stars per day
Bars are daily stars, the line is the usual pace. Red marks spike days.
Numbers
- Total stars
- 81
- Today
- 19 · ≈ 39 by evening
- Forks
- 10
- Issues and pull requests
- 0
- Watchers
- 0
- Language
- HTML
- License
- MIT
- Created
- September 26, 2026
- Last push
- September 26, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Spotted in
- September 27, 2026Top new repositories this week: #190
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