Squib is a Ruby DSL for prototyping card and board games. Write a little bit of Ruby, define your deck's stats, then compile your game into a series of images ready for print-and-play or even print-on-demand. Squib is very data-driven and built on the principle of Don't Repeat Yourself. Think of it like nanDeck done "the Ruby way". Squib supports:
- A concise set of rules for laying out your cards
- Loading PNGs and SVGs
- Complex text rendering using Pango
- Reading
xlsxandcsvfiles - Rendering to PNGs, PDFs, and SVGs (sheets or individual files)
- Flexible, data-driven layouts in Yaml
- Basic shape drawing, blending operators, gradients, etc.
- Unit conversion
- The full power of Ruby!
Squib is based on the Cairo graphics rendering engine, the library of choice for WebKit, Gecko, Inkscape and many, many others.
Check this out.
require 'squib'
Squib::Deck.new(cards: 2) do
text str: %w(Hello World!)
save_png
endWe just created a 2-card deck with "Hello" on the first card, and "World" on the second, and saved them out to PNGs.
Wanna see more? Check out the website: http://andymeneely.github.io/squib/
Squib requires Ruby 3.0 or later.
Install it yourself with:
$ gem install squib
If you're using Bundler, add this line to your application's Gemfile:
gem 'squib'
And then execute:
$ bundle
More info: http://squib.readthedocs.org/en/latest/install.html
After installing Squib, you can create a project and run your first build like this:
$ squib new my-cool-game
$ cd my-cool-game
$ ruby deck.rbThe squib new command will generate files and folders like this:
├── .gitignore
├── ABOUT.md
├── Gemfile
├── IDEAS.md
├── PLAYTESTING.md
├── PNP NOTES.md
├── RULES.md
├── Rakefile
├── _output
│ └── gitkeep.txt
├── config.yml
├── deck.rb
└── layout.yml
12 files
Also:
- The
samplesdirectory in the source repository has lots of examples. - Masters of the Heist is my own creation, and it was made with Squib. Go through the repository and watch how it evolved!
- Junk Land is my own creation that's uses Squib for full-color rendering, and makes use of Ruby in a lot of interesting ways. The port is still in process.
- Project Spider Monkey is another of my own creations. This one was started from scratch with Squib, but it's still in its early stages.
Squib tries to keep you DRY (Don't Repeat Yourself) with the following features:
- Custom layouts allow you to specify various arguments in a separate file. This is great for x-y coordinates and alignment properties that would otherwise clutter up perfectly readable code. Squib goes even further and has a special "extends" that works especially well for grouped-together styles.
- Flexible ranges and array handling: the
rangeparameter in Squib is very flexible, meaning that onetextcommand can specify different text in different fonts, styles, colors, etc. for each card. If you find yourself doing multipletextcommand for the same field across different ranges of cards, there's probably a better way to condense. - Custom colors keep you from hardcoding magic color strings everywhere. Custom colors go into
config.ymlfile. - Plus, you know, Ruby.
Want to run in a controlled environment? We've got a Docker image on DockerHub
Here's one way to run it. On the command line, go to the root of your repository. With these commands, we'll map the current directory to the /usr/src/app directory in the Docker image. When squib-in-docker read & writes files from there, it'll write it back out to your current directory.
Assuming you have a script called hello.rb:
On Windows:
docker run --rm -v "%cd%":/usr/src/app andymeneely/squib ruby hello.rb
On Macs:
docker run --rm -v "$PWD":/usr/src/app andymeneely/squib ruby hello.rb
This will create a folder called _output in your current directory and write the output of the script there.
We're still working on ways to customize your own Docker build (e.g. document building, custom fonts, etc.) with your own Dockerfile. Pull requests and ideas welcome!
See this page
Truthfully, I just thought it was a cool, simple word that was not used much in the Ruby community nor the board game community. But, now that I've committed to the name, I've realized that:
- Squibs are small explosive devices, much like Squib "explodes" your rules into a playable game
- Squibs are often used in heist movies, leading to a sudden plot twist that often resembles the twists of good tabletop game
- Squibs are also part of the Harry Potter world - they are people who are non-magical but wizard-born. Squib is aware of wizarding magic and comes from that heritage, but it's not magical itself.
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