History Shading, Simple

Описание: Testing a new feature which color-codes cells gray if they have ever been alive (but are presently empty/dead). Patterns left by past cell formations and motions are interesting in their own way.

2-Dimensional cellular automata, hexagonal array,
Rule 337 + Seed 51.501.

Color-coding of cells age/life-status:
All colored cells are alive except blue-colored cells.
yellow = just born (state = 1),
red = alive 2 or more time-steps (state = 1),
blue = fading "ghost" of cell that died (state = 0),
black = empty space (state = 0),
gray = empty space (state = 0), but has previously been alive at least one time-step.

Note: this "Hexagon-Multiverse" (HMCA) cellular automaton is similar to Conway's famous "Game of Life" in the sense that both are 2-dimensional, have binary cell states, and are synchronous and deterministic. But the Game of Life uses a square grid, while the HMCA uses a more natural (common in nature) and more symmetrical hexagonal grid. Additionally, the HMCA achieves interesting results using a variety of rule-sets, whereas the Game of Life is limited to a single rule-set.

Hexagonal Cell Array: size remains constant at 120 columns x 120 rows.

Periodic boundary conditions: horizontal & vertical dimensions wrap across opposite edges, giving a topology equivalent to the 2-dimensional surface of a 3-dimensional torus (doughnut).

Neighborhood: semi-totalistic (details to be published at a future date),

Time: 299 steps (display rate 5 fps). The first & final frames are shown for 1 & 2 seconds, respectively.

Live cell population: starts at 51, reaches a maximum of 2043 on time-step 199, and ends with 1650 on the final time-step 299.

Resolution: 2578 screen pixels per cell,
Program: "Hexagon-Multiverse 1.0" (unpublished), PHP language.
Platform: MacBook Pro (M1), Sonoma 14.1.1 OS, Safari 17.1 browser.