I wrote a Javascript visualization of this (using React) some time ago: http://mperdikeas.github.io/stack-piling-and-tumbling/index.html http://mperdikeas.gith

I wrote a Javascript visualization of this (using React) some time ago: http://mperdikeas.github.io/stack-piling-and-tumbling/index.html http://mperdikeas.github.io/stack-piling-and-tumbling/index.... (click "start dropping grain" to start) Github repo: https://github.com/mperdikeas/js-react-stack-piling-and-tumbling https://github.com/mperdikeas/js-react-stack-piling-and-tumb...