// wokwi.com/projects/419543065589286913

# include <Adafruit_NeoPixel.h>

# define PIN 2   // input pin Neopixel is attached to

# define NUMPIXELS      12 // number of neopixels in strip
# define HALFTHAT       6
# define ANDHALFTHAT    3

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 500; // timing delay in milliseconds

int redColor;
int greenColor;
int blueColor;

int idx;

void setup() {
  // Initialize the NeoPixel library.
  pixels.begin();
}

void loop() 
{
  setYel();
  for (idx = 0; idx < NUMPIXELS; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }

  setWht();
  for (idx = ANDHALFTHAT; idx < HALFTHAT + ANDHALFTHAT; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }

  pixels.show();
  delay(delayval);  

  setWht();
  for (idx = 0; idx < NUMPIXELS; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }

  setYel();
  for (idx = ANDHALFTHAT; idx < HALFTHAT + ANDHALFTHAT; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }

  pixels.show();
  delay(delayval);  
}

void loop0() 
{
  setYel();
  for (idx = 0; idx < HALFTHAT; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }
  pixels.show();

  setWht();
  for (idx = HALFTHAT; idx < NUMPIXELS; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }
  pixels.show();
  delay(delayval);  

  setWht();
  for (idx = 0; idx < HALFTHAT; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }
  pixels.show();

  setYel();
  for (idx = HALFTHAT; idx < NUMPIXELS; idx++) 
  {
    pixels.setPixelColor(idx, pixels.Color(redColor, greenColor, blueColor));
  }
  pixels.show();
  delay(delayval);  
}

void setYel()
{
  redColor = (255);
  greenColor = (191);
  blueColor = (0);
}

void setWht()
{
  redColor = 240;
  greenColor = 240;
  blueColor = 240;
}