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My GitHub contributions as a Game of Life

GitHub Game of Life

(Be sure to click on it for the infinite scrolling version.)

What's this?

This takes my GitHub contribution graph and uses it as the initial state for Conway's Game of Life, a popular cellular automaton that is often built by beginning software developers as an easy-to-implement but interesting piece of software.

Conway's Game of Life only defines two initial states for cells, but there are multi-color variants. This is a variant of "Quad Life" (chosen because the GitHub contribution graph has four colors that represent the intensity of contributions for a given day): in the typical Game of Life rules, a graph with a lot of contribution would die out in the first iteration (because the cells would be overcrowded), which seems to punish those with a lot of contributions, giving them a boring Game of Life. Intead, this variant "decays" the level of contribution, so cells will fade away instead of dying immediately.

How does it work?

This uses a JavaScript library called contributions to create a data structure with a GitHub contribution graph, and uses that as the initial state for another JavaScript library called dat-life.

A simple Node.js application called github4life -- so named because it takes a GitHub contribution graph and turns it into a 4 color Game of Life -- renders this as an animated GIF. When talking to GitHub's image caching service (camo) it will render 20 frames and then stop (so that the resulting image can actually be cached) but when you hit it with your web browser, it will render the game of life on-demand - infinitely continuing to deliver you the next state as a new frame in the GIF, forever.


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2,797 contributions in the last year

Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Mon Wed Fri

Contribution activity

August 2022

Created 2 repositories
1 contribution in private repositories Aug 2

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