Hi, I'm Chris.

And I teach machines to do things. Also, I teach people how to teach machines at James Madison University. Collected here are my course materials, research notes, and students' work.


Twoville is a programming language for generating two-dimensional SVG images that can be fed into vinyl or laser cutters. It also supports animation at the syntactic level.


Flashback to December 2015!
LaTeX Calendar Generator


FML is a utility that generates a sculpture of one's First, Middle and Last initials. Find the C, R, and J in the sculpture above. Make your own!


Rainbox is a little puzzle game I wrote for my son's 8th birthday. A pixelated, rainbow-colored box has broken apart, and you must put it back together.


Tangle is a tool I wrote to help my eight-year-old son think about multiplying through a spatial lens.

Student Gallery

Ian T. developed Branch, a time-based puzzle game, for a class on 2D game development. I asked him if he ever played Braid, and he said no!


Madeup is a programming language for making things up—literally. Programmers trace out shapes algorithmically and then turn them into solids that can be printed on a 3D printer.


Deltaphone is a blocks-based programming language that extends the relative movement of turtle geometry into music. Composer-programmers express their tunes using intervals or chromatic or diatonic offsets.


Earpiece is a tool for composing sound effects. You shape the frequency and amplitude of an effect using mathematical functions sequenced—or pieced—together. Go make WAVs.

Trux Falsy

Trux Falsy is a game for practicing boolean logic. You should play it. The source code is freely available. A lot of it was hastily written in Peru.


Flexercise is a game for gaining facility with the Flexbox system for layout in CSS. Play it. The source code is freely available.


Unduo is a two-player Snake game built by my sons at the keyboard and me by their side. But there's only one snake. Two heads are better than one, right?


Totally is a tool I wrote to help my five-year-old son think about adding through a spatial lens.


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