NoisePlayground on Adafruit’s NEOPIXEL Ring.
I hesitate to put this under the “Show off your work” category, this is more like “Show off Garcia and Kreigsman work” 
Hrm, I’m starting to wonder what it would do on a single strip of 48 pixels. 
@Jon_Burroughs : show it all off! Dan and I really love to see what people do with it all.
@Ashley_M_Kirchner_No : you should try it. Either 2D noise (one spatial axis, plus time), or 3D matrix noise (X, Y, time) but rendered onto the strip ‘flat’. Tell it you have an 8x6 matrix with serpentine layout…
So @Mark_Kriegsman , I’ve been wondering this: what I’d I have a controller that’s driving multiple strings on different pins (say four 32pixel string, each one on a different set of pins), is there a way to have this new awesomeness work with all four as one, or will it treat each one as a separate piece?
You can do it either way just as easily. In either case you’d make four calls to addLeds() to declare the four strips, one on each set of pins. You either have them each have their own (adjacent) led buffer, in which case each is independent, or you have them share one led buffer, in which case they’re all carbon copies.
Which way would you want it?
No copies, I want them to appear as if they are a matrix of 4x32 … (I’m actually not sure how many separate string I can run before running out of memory)
Generally:
CRGB leds[128];
FastLED.addLed<type,pins1>( leds+0, 32);
FastLED.addLed<type,pins2>( leds+32, 32);
FastLED.addLed<type,pins3>( leds+64, 32);
FastLED.addLed<type,pins4>( leds+96, 32);
Then draw into the leds[] array as usual, and call show().
In particular, you can draw into the leds[] array with a fill_noise function, telling it you have a 4x32 (or 32x4??) array. I’d recommend non-serpentine layout for this.
Can’t wait to see…
Hrm … I still have 20+ (1m) strips hanging in my window … you’re making me want to rewire them and doing this. I don’t think I can get all 20+ on one controller, regardless of how many pins it has. AVR only has so much memory it can push. So I’ll either have to link a few of them (and make them serpentine) or figure something else out.
I wish I had $500 worth of LEDs in my window… 
Actually, it’s less than $250.
That’s pretty Awesome guys, good work