Pause at 0:10. You can see those leds are arranged in lines going radially from the center. Also you can see how the colors are arranged in circular bands. Pause any other frame to see which leds are on.
The rest is just clever programming to make nice effects. If you want it, then build it and try to get some nice patterns yourself.
The rest is just clever programming to make nice effects. If you want it, then build it and try to get some nice patterns yourself.