This is an interactive tool to explore the idea of generative space and possibility space, two important topics in procedural generation. Mike Cook made it as part of a series called Possibility Space (somewhat confusingly).
You can find a full written tutorial with interactive Javascript examples here: http://www.possibilityspace.org/tutorial-generative-possibility-space/
You can also find accompanying slides here: https://github.com/possibilityspace/slides-possibilityspace
This Processing repository is licensed under the GPL 3.0. The slides are licensed under CC BY-NC 4.0. More information here: https://creativecommons.org/licenses/by-nc/4.0/
A new version finally with proper art and a bit of polish!