Hmm... do you have a video of that effect ?
None of my computers' browsers has an active Java plugin (and most browsers don't have it installed at all in the first place). Given the loooong string of critical vulnerabilities in Java / the Java browser plugin, nobody should have it enabled by default, in fact

EDIT: I see what you mean, 4'40" into . That's a capture of Future Crew's Unreal demo, which features the effect, according to the page you linked. I know the music of Unreal well enough, but I had never watched the gfx part

Lionel Debroux and Streetwalker you can also watch the video of the effect on Youtube :

Moreover, there's a link to the source in the description.

Anyone willing to team up to port it to Nspire ? (not a joke)

The code doesn't build in the latest version of Processing, it needs porting...

Before conversion to C++, it could use some optimization, even if all of those apply to the setup phase:
* getting rid of the spokeCalc array: it could just be a temporary variable inside the loop which defines it;
* although the compiler should be smart enough to notice, 2*PI*i/SPOKES needn't be recomputed each time, the temp float should be incremented by the 2*PI/SPOKES constant instead;
* ditto for the computation of divCalcX and divCalcY.
Moving the computation of sin & cos to compile time would speed up the setup phase, at the expense of binary size.

I guess it's pretty cool, but is it just a graphics demo?

and code, lots of code.

Yeah, from what I've seen (and understood) it's mostly intended to be a tutorial than a fast code.

I'll try to port the C++ version, only to see if I can get how they achieve that.

Look here how cute



Now I just need to see if I can speed it up so it works decent on calc (since it's Lua) ^^