SOURCE / PINNED RELEASE

Made of little things.

Safe Sand · Material studies

Release: 9101a9cd9fb4…
Author-recorded commit: 75d98e1b8edb…
License: LICENSE
Author’s source reference: nostr://npub182jczunncwe0jn6frpqwq3e0qjws7yqqnc3auccqv9nte2dnd63scjm4rf/wss%3A%2F%2Fgit.napplet.soy%2F/n-7682e55a791

Archive hash verified: 6c8ddabeb31100e1…. The source-to-build association is the author’s claim; it has not been independently rebuilt.

# Source provenance

The GPU core in `src/engine/{gl,glsl-common,presets,render-shaders,render,sim-shaders,sim}.js`
is adapted from [av/safe-sand](https://github.com/av/safe-sand), commit
`e27bafa005b534041a801542ec0ca0bcb704c62e`, inspected 2026-11-12.
Changes add materials, magnetic interaction, shape/physics parameters, bounded camera projection, GPU pouring and erasing,
and resource cleanup. The napplet UI, lifecycle, input and audio integration are new.

The inspected upstream tree does not contain a LICENSE file and its package.json
does not declare a license. No license grant is inferred from public visibility.
This adaptation retains upstream attribution and is marked UNLICENSED.
The upstream licensing status remains unresolved. The boilerplate's LICENSE
applies to the boilerplate, not automatically to this imported simulation.

No upstream Android, advertising, purchase, PWA, icon or store assets are included.