Shameless plug. https://github.com/SpeciesFileGroup/waxy https://github.com/SpeciesFileGroup/waxy is coded based on Red Blob Games' incredible tutorials. We use

Shameless plug. https://github.com/SpeciesFileGroup/waxy https://github.com/SpeciesFileGroup/waxy is coded based on Red Blob Games' incredible tutorials. We use it for visualizations in Rails.