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The current version of ruby-processing is now available from rubygems

gem install ruby-processing

However this version of ruby-processing depends on you having java runtime (jre7+/jdk7+), and a locally installed version of vanilla processing and you should install that first. Required version processing-2.2.1 You must also set the PROCESSING_ROOT in .rp5rc getting started for detailed instructions.

But since 2016 you should install JRubyArt instead

gem install jruby_art # to use the current version of processing

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A brief history

Getting Started

From java processing to ruby-processing

FAQs

Render Modes

Built-in Ruby Processing Libraries

Advanced Topics

Gallery

Other Resources

[Changelog][] [Changelog]:https://github.com/jashkenas/ruby-processing/blob/master/CHANGELOG