F_lying 244 byte

//F_lying 244 byte
//Fastled 16x16 rgb led matrix demo
//Yaroslaw Turbin, 11.12.2020
//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/284600490242605581

#import<FastLED.h>
#define b(x) sin8(a/x)/16
CRGBArray<256>l;int a,i;void setup(){LEDS.addLeds<WS2812,3,GRB>(l,256);}void loop(){l%=~8;i=1;while(i++<=17)l[lerp8by8(b(3),b(5),i*15)*16+lerp8by8(b(2),b(4),i*15)]+=CHSV(a/9,~0,~0);a+=4;LEDS.show();}