//Crazy_bees implementation for fibonacci 256 
//fastled fibonacci 256 leds  demo
//Stepko

//https://wokwi.com/arduino/projects/283705656027906572

#include "FastLED.h"
#define WIDTH 20
#define HEIGHT 20
// LEDs pin
#define DATA_PIN 3
// LED brightness
#define BRIGHTNESS 255
#define NUM_LEDS 257
// Define the array of leds
CRGB leds[257];

static const uint16_t FibonPlanarTable[] PROGMEM ={
  256,256,256,256,256,256,256,256,36,39,38,37,256,256,256,256,256,256,256,256,256,256,256,256,256,13,34,35,40,
  256,58,59,60,61,256,256,256,256,256,256,256,256,256,256,14,33,256,41,56,57,68,67,66,65,64,63,256,256,256,256,
  256,256,256,12,15,32,42,55,256,69,256,79,80,81,82,83,62,256,256,256,256,256,11,16,31,256,43,54,70,77,78,94,
  93,92,91,90,84,85,256,256,256,255,10,17,30,44,53,71,76,256,95,256,101,102,103,104,89,88,256,256,256,254,9,18,
  29,45,52,72,75,96,256,100,120,119,118,117,105,106,87,256,256,253,8,19,28,46,256,51,73,97,99,121,124,125,126,
  256,116,256,107,86,232,252,7,20,256,27,47,256,50,74,122,123,145,144,256,127,256,115,256,108,233,251,6,256,21,
  256,26,48,49,256,98,146,147,148,143,256,128,256,114,109,231,234,250,5,256,22,23,25,24,0,195,171,170,169,149,
  142,256,129,113,110,230,235,256,249,4,3,2,1,244,243,256,194,172,256,168,150,141,130,112,256,256,229,236,256,
  248,247,246,245,242,220,219,196,193,173,167,151,140,131,111,256,256,208,228,237,238,239,240,241,256,221,218,
  197,192,174,166,152,139,132,256,256,256,256,209,227,226,256,256,256,222,256,217,198,191,175,165,153,138,133,
  256,256,256,256,207,210,211,225,224,223,215,216,199,256,190,176,164,154,137,134,256,256,256,256,256,206,205,
  212,213,214,201,200,256,189,177,163,256,155,136,256,256,256,256,256,256,256,256,204,203,202,256,187,188,178,
  162,256,156,135,256,256,256,256,256,256,256,256,256,183,184,185,186,180,179,161,256,157,256,256,256,256,256,
  256,256,256,256,256,256,256,256,182,181,159,160,256,158,256,256,256,256,256,256,256 
};  

bool setUp = true; 
#define n ((WIDTH*HEIGHT > 128) ? WIDTH*HEIGHT / 128 : 1 )
int posX[n];
int posY[n];
int aimX[n];
int aimY[n];
const uint8_t speed = (WIDTH*HEIGHT < 256) ? 1 :(WIDTH*HEIGHT < 1026) ? WIDTH*HEIGHT / 256 : 4;

byte hue[n];
void aimchange(byte id){
aimX[id]=random(0,(WIDTH-1)*4);
aimY[id]=random(0,(HEIGHT-1)*4);
hue[id] = random();
}

void setUpp(){
for(byte i = 0; i < n; i++){
posX[i]=random(0,(WIDTH-1)*4);
posY[i]=random(0,(HEIGHT-1)*4);
aimchange(i);
}
}
void draw() {
  if (setUp){
    setUp = false;
    setUpp();
  }
  fadeToBlackBy(leds, NUM_LEDS, 10);
  //blur2d(leds, WIDTH, HEIGHT, 16);
  for(byte i = 0; i < n; i++){
  if(round(posX[i]/4)>round(aimX[i]/4)){ posX[i]-=speed;}
  if(round(posY[i]/4)>round(aimY[i]/4)){ posY[i]-=speed;}
  if(round(posX[i]/4)<round(aimX[i]/4)){ posX[i]+=speed;}
  if(round(posY[i]/4)<round(aimY[i]/4)){ posY[i]+=speed;}
  if(round(posX[i]/4)==round(aimX[i]/4) && round(posY[i]/4)==round(aimY[i]/4)){aimchange(i);} 
  leds[XY(posX[i]/4,posY[i]/4)] = CHSV(hue[i],60,255);
leds[XY(aimX[i]/4+1,aimY[i]/4)] = CHSV(hue[i],255,255);
leds[XY(aimX[i]/4,aimY[i]/4+1)] = CHSV(hue[i],255,255);
leds[XY(aimX[i]/4-1,aimY[i]/4)] = CHSV(hue[i],255,255);
leds[XY(aimX[i]/4,aimY[i]/4-1)] = CHSV(hue[i],255,255);
}}
void setup() {
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
}

void loop() {
  draw();
  FastLED.show();
} //loop
uint16_t XY(byte x, byte y) { 
uint16_t ledsindex = pgm_read_word (FibonPlanarTable+y*WIDTH+x);
return (ledsindex);
}