Simple Physics. Translating from Lua (the language in the Codea app) into Java

Simon came up with an idea to translate a physics visualization from the Codea app (using a language called Lua) into Processing (Java) by applying Box2D. The first two videos below show him working on that project.

As he got stuck later, Simon decided to do the same project in p5.js instead, applying Matter.js:

This turned out to be quite difficult as well: he got stuck while trying to calculate the exact coordinates for all the shapes involved in the visualization (it was supposed to resemble bricks falling down and rolling down two slopes). So what Simon did as the next step in this “exercise” was switch back to Processing and create a grid with numbered coordinates. When I asked him, why he didn’t make the same grid in p5, he answered that he just loved Processing so much. Eventually though, this grew into a different project:

Confusing as these sidesteps may seem I’m sure Simon got a lot of practice out of this.

Here is a game Simon tried translating from Lua into Processing, it’s called Brickout:


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