Thanks, guys
I wasn't sure if this would run slowly or not, but even my old XP laptop runs this at full speed - HTML5 has become quite fast!
I'll look into the colour suggestion, but I thought I'd go for a monochrome wireframe at first, as a homage to the classic PS1 wireframe game, "Vib Ribbon". There should be enough runtime in there to allow for the calculation of dynamic colours.
<plug>Also, I hope you're enjoying the book, Kirl.
I've released it as a paperback, so it should be up on Amazon very soon.</plug>