#include "FastLED.h"

 
// LEDs pin
#define DATA_PIN5 A5
#define DATA_PIN4 A4
#define DATA_PIN3 A3
#define DATA_PIN2 A2
 
// LED brightness
#define BRIGHTNESS 250
 
#define NUM_LEDS 3
 
// Define the array of leds
CRGB leds5[NUM_LEDS];
CRGB leds4[NUM_LEDS];
CRGB leds3[NUM_LEDS];
CRGB leds2[NUM_LEDS];

void UpdateStrip(CRGB *Inled, int Speed, int NumLeds);


void setup() {
  FastLED.addLeds<WS2812, DATA_PIN5,GRB>(leds5, NUM_LEDS);
  FastLED.addLeds<WS2812, DATA_PIN4,GRB>(leds4, NUM_LEDS);
  FastLED.addLeds<WS2812, DATA_PIN3,GRB>(leds3, NUM_LEDS);
  FastLED.addLeds<WS2812, DATA_PIN2,GRB>(leds2, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
}
 
void loop() {
#define MIN_BRIGHTNESS 0
#define MAX_BRIGHTNESS BRIGHTNESS
#define HUE_COLOR 100    // red color
#define SPEED_FADE 5    //speed of effect
 
//int  a = millis();
// byte b = triwave8 (a/SPEED_FADE); 
 
//       byte breath = ease8InOutCubic (b); 
//        breath = map (breath,0,255, MIN_BRIGHTNESS, MAX_BRIGHTNESS);
//        fill_solid(leds5, NUM_LEDS, CHSV(HUE_COLOR, 255, breath));
      //fill_gradient(leds,NUM_LEDS,CHSV(0,255,MIN_BRIGHTNESS),CHSV(0,255,breath), CHSV(0,255,breath), CHSV(0,255,MIN_BRIGHTNESS),LONGEST_HUES);  // uncomment this to smooth gradient looking effect
 
//        adjust_gamma();  
 
 UpdateStrip(leds2,5,3,0,1);    //RED
 UpdateStrip(leds3,5,3,90,1);//120/(360/255)); //GREEN
 UpdateStrip(leds4,5,3,160,1);//240/(360/255)); //BLUE
 UpdateStrip(leds5,5,3,60,1);//60/(360/255));  //60Yellow

// UpdateStrip(leds2,5,3,0,0);    //RED
// UpdateStrip(leds3,5,3,0,1);//120/(360/255)); //GREEN
// UpdateStrip(leds4,5,3,160,0);//240/(360/255)); //BLUE
// UpdateStrip(leds5,5,3,160,1);//60/(360/255));  //60Yellow
  FastLED.delay(1);
delay(100);
 
}
  
//void UpdateStrip(CRGB *Inled, int SPEED_FADE, int NUM_LEDS){
void UpdateStrip(CRGB *Inled, int Speed, int NumLeds, int HueColor, bool UseGamma){
  int  a = millis();
  byte b = triwave8 (a/Speed); 
  byte breath = ease8InOutCubic (b); 
  breath = map (breath,0,255, MIN_BRIGHTNESS,MAX_BRIGHTNESS);//MIN_BRIGHTNESS, MAX_BRIGHTNESS);
  fill_solid(Inled, NumLeds, CHSV(HueColor, 255, breath));
  //fill_gradient(leds,NUM_LEDS,CHSV(0,255,MIN_BRIGHTNESS),CHSV(0,255,breath), CHSV(0,255,breath), CHSV(0,255,MIN_BRIGHTNESS),LONGEST_HUES);  // uncomment this to smooth gradient looking effect
  if (UseGamma){
    for (uint16_t i = 0; i < NumLeds; i++)
    {
      Inled[i].r = dim8_video(Inled[i].r);
      Inled[i].g = dim8_video(Inled[i].g);
      Inled[i].b = dim8_video(Inled[i].b);
    }
  }
}