Controls

• press space bar to start the game
• use mouse scroll to zoom in/out
• keep pressed mouse right button to pan
• use mouse left click to switch on/off individual pixels
• press [ to decrease game speed and ] to increase it
• press c to clear the screen
• press s to do a single game step
• press h to restore the default zoom level

Demo

You can find a live example here (requires a keyboard and a mouse)

Build

to compile for desktop

nim c -d:release -o:sdlife main.nim

to compile for web browsers using emscripten

nim c -d:release -d:wasm main.nim