3D Cellular Automata — Kling Labs
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The simulation and renderer are original implementations for Kling Labs.
No Softology source code, images, music or rendered videos are included.

Rule reference and inspiration:
Jason Rampe, Softology: "3D Cellular Automata", 28 December 2019.
https://softologyblog.wordpress.com/2019/12/28/3d-cellular-automata-3/
The author's corrections and clarifications of 22 April 2020 and
18 February / 31 May 2021 are followed: only state 1 is alive and counted.

S / B / C / neighbourhood presets from the published catalogue:
Pyroclastic: 4-7 / 6-8 / 10 / Moore
Coral: 5-8 / 6-7,9,12 / 4 / Moore
Clouds 1 (displayed as Clouds): 13-26 / 13-14,17-19 / 2 / Moore
Crystal Growth 1 (displayed as Crystal): 0-6 / 1,3 / 2 / von Neumann

All updates are synchronous, using separate old/new grids.
0 is empty; 1 is active; states 2 through C-1 are refractory.
Birth requires state 0 and a neighbour count in B. Survival requires
state 1 and a count in S. Refractory cells increment until they become 0,
regardless of the neighbour count. They never contribute to that count.
The centre is excluded: Moore has 26 neighbours; von Neumann has six.
Grid boundaries are empty, not periodic. Random seeds are reproducible.
Crystal uses a single seed cell, so changing the random seed does not
change its deterministic initial state. The browser reports actual generation
and population, including the short initial warmup.

Presentation: ray/box intersection with Amanatides–Woo-style 3D voxel
traversal, local occlusion and a traced directional shadow in focus mode.
Cell-scale interpolation is visual only and does not modify the model.
Cutaway removes cells only from rendering. Camera, palette, lighting and
rotation do not change the automaton. CPU-only presentation is a simpler
depth-sorted projection of the same actual cells, without raytraced shadows.

Focus volume: 64^3. Animated gallery preview: 36^3. GPU-free Windows
static preview: 30^3. Each smaller preview is its own simulation, not a
downsample of the focus volume. Rules are mathematical demonstrations,
not validated models of actual rocks, clouds, coral or other living tissue.