Without_Sin

//Without_Sin  252 byte
//Fastled 16x16 rgb led matrix demo
//Yaroslaw Turbin, 01.12.2020
//https://vk.com/ldirko
//https://www.reddit.com/user/ldirko/

//for one tweet codegolf competition
//https://www.reddit.com/r/FastLED/comments/jyly1e/challenge_fastled_sketch_that_fits_entirely_in_a/
//https://twitter.com/skullctf/status/1329474477185445890

//look how it look in online emulator:
//https://wokwi.com/arduino/projects/283710692270277133

#import<FastLED.h>
CRGB l[256];float a,d,k=1.996,b,c=-.06,e=1.997,f,g=-.05,i;void setup(){LEDS.addLeds<WS2812,3,GRB>(l,256);}void loop(){a=k*b-c;c=b;b=a;d=e*f-g;g=f;f=d;int x=a*8+8,y=d*8+8;l[y*16+x].setHue(i+=.2);fadeToBlackBy(l,256,15);LEDS.delay(9);}