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https://github.com/tlinden/golsky
game of life with ebitengine
https://github.com/tlinden/golsky
cellular-automata conways-game-of-life ebitengine game-of-life gameoflife golang
Last synced: 4 days ago
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game of life with ebitengine
- Host: GitHub
- URL: https://github.com/tlinden/golsky
- Owner: TLINDEN
- License: gpl-3.0
- Created: 2024-05-20T18:18:13.000Z (8 months ago)
- Default Branch: main
- Last Pushed: 2024-07-13T18:46:36.000Z (6 months ago)
- Last Synced: 2024-07-13T22:55:43.030Z (6 months ago)
- Topics: cellular-automata, conways-game-of-life, ebitengine, game-of-life, gameoflife, golang
- Language: Go
- Homepage:
- Size: 3.21 MB
- Stars: 0
- Watchers: 3
- Forks: 0
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# golsky - Conway's game of life written in GO
[](https://github.com/tlinden/golsky/blob/master/LICENSE)
[](https://goreportcard.com/report/github.com/tlinden/golsky)
I wanted to play around a little bit with [**Conways Game of Life**](https://conwaylife.com/)
in golang and here's the result. It's a simple game using
[ebitengine](https://github.com/hajimehoshi/ebiten/).
John Conway himself: https://youtu.be/R9Plq-D1gEk?si=yYxs77e9yXxeSNbL
Based on: https://youtu.be/FWSR_7kZuYg?si=ix1dmo76D8AmF25F
# Screenshots
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-mainmenu.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-options.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-bindings.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-evolution-trace.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-zoom.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-debug.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-capture.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-captured.png)
[](https://github.com/TLINDEN/golsky/blob/main/.github/assets/screenshots/golsky-dark-theme.png)
[Youtube video game preview](https://www.youtube.com/watch?v=xEto6Oew16I)
# Features
* flexible parameters as grid and cell size
* colors can be inverted
* evolution traces can be shown, with age the cells color fades and
old life cells will be drawn in red
* game grid lines can be enabled or disabled
* game speed can be adjusted on startup and in-game
* you can zoom in and out of the canvas and move it around
* game can be paused any time
* it can be run step-wise
* game state can be saved any time and loaded later on startup
* various Life rules can be used, the rule format `B[0-9]+/S[0-9]+` is fully supported
* game patterns can be loaded using RLE files, see https://catagolue.hatsya.com/home
* you can paint your own patterns in the game
* the game can also be started with an empty grid, which is easier to paint patterns
* wrap around grid mode can be enabled
* you can also save rectangles of the grid to RLE files
# Install
In the github releases page you can find ready to use binaries for
your OS. Just download the one you need and use it.
# Build from source
Just execute: `go build .` and use the resulting executable.
You'll need the golang toolchain.
# Usage
The game has a couple of commandline options:
```default
Usage of ./golsky:
-c, --cellsize int cell size in pixels (default 8)
-d, --debug show debug info
-D, --density int density of random cells (default 10)
-e, --empty start with an empty screen
-H, --height int grid height in cells (default 40)
-i, --invert invert colors (dead cell: black)
-l, --load-state-file string game state file
-n, --nogrid do not draw grid lines
-p, --paused do not start simulation (use space to start)
-f, --rle-file string RLE pattern file
-r, --rule string game rule (default "B3/S23")
-s, --show-evolution show evolution traces
-t, --ticks-per-generation int game speed: the higher the slower (default: 10) (default 10)
-v, --version show version
-W, --width int grid width in cells (default 40)
```
While it runs, there are a couple of commands you can use:
* space: pause or resume the game
* while game is paused: press n to forward one step
* page up: speed up
* page down: slow down
* Mouse wheel: zoom in or out
* move mouse while left mouse button pressed: move canvas
* i: enter "insert" (draw) mode: use left mouse to toggle cells alife state.
Leave with insert mode "space". While in insert mode, use middle mouse
button to drag the grid.
* r: reset to 1:1 zoom
* escape: open menu
* s: save game state to file (can be loaded with -l)
* c: enter copy mode. Mark a rectangle with the mouse, when you
release the mous button it is being saved to an RLE file
* d: toggle debug output
* q: quit
# Report bugs
[Please open an issue](https://github.com/TLINDEN/golsky/issues). Thanks!
# License
This work is licensed under the terms of the General Public Licens
version 3.
# Author
Copyleft (c) 2024 Thomas von Dein