teaching machines

Multiple Assignment in Twoville

As I dream up animations in Twoville, I find myself generating a lot of shapes that share properties with other shapes. For instance, these two circles have the same radius and color: a = circle() b = circle() a.radius = 10 b.radius = 10 a.rgb = [1, 1, 0] b.rgb = [1, 1, 0] I […]

With Blocks in Twoville

In my software engineering class in college, Dr. Drake dropped on us a half-written piece of software that managed a database of movies. Our challenge was to improve it. It was the first and only time I’ve touched Visual Basic, and I remember only one thing about the project and the language: with-statements. Suppose you’re […]

Twoville Inching Along

Thanks to a snow day yesterday, I can now export animated GIFs from Twoville, my 2D drawing language. Gif.js made this possible. However, Jeremy, I think naming your project with .js suffix was a big mistake. When one clones the project, one ends up with a directory with a .js extension, which messes everything up. […]

Introducing Twoville

Some students and I are building a programming language for generating animated SVG images. Rather, each of us is building our own language, because each of us wanted 100% of the learning experience. By the end of the semester, we’ll have four different takes on how to build such a language. My take is called […]