These orbits are generated iterating this simple algorithm:
(x, y) -> (y - sign(x)*sqrt(abs(b*x - c)), a -x )
where a, b, c are random parameters. This is known as the 'Hopalong Attractor'.
3D rendering done with three.js and vrrenderer.js
Original version by Iacopo Sassarini
WebVR port by Luke Groeninger