This is Conway's Game of Life written in Rust (and then compiled to *.wasm).

It is inspired by this tutorial, but I used my own implementation: I worked with a large field size (more than a million cells), used manipulations with ImageData.data for rendering, implemented loading the starting position from a file, and also made a slightly different UI.

I made the implementation of game rules itself testable without a compilation to wasm.

You can change a canvas size in the index.js and index.html files.

The starting position located in the start-position.js file.

Installation (I tested it on Linux Ubuntu and MS Windows):

• Install Node.js and npm.

• Install rustup toolchain.

• Install wasm-pack.

• Clone this repository and build a JS package:

git clone [email protected]:evgeniy-r/wasm-life.git
cd wasm-life
wasm-pack build

• Install npm packages and run webpack-dev-server:

cd www
npm install
npm run start

• Open http://localhost:8080 in a web browser.

You can run tests (they are very basic):

• the unit tests without a wasm compilation (only the implementation of the game rules):

cargo test

• the integration tests with the compilation (you can use different browsers):

wasm-pack test --firefox --headless

or if you want to see the test results in the browser:

wasm-pack test --firefox