LP's prediction that the flow scene will follow the path of juggling seems to be on track.
Spin Science is a website by Lorq Nichols going down the technical route. Here's a demonstration of his impressive (& very trippy) simulator:
https://youtu.be/vP62N8Z-G0I
(Do not drive or operate any heavy machinery for 2 hours after watching)
by Orinoco, 2015-11-02 18:33:05