#include <Adafruit_NeoPixel.h>

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

#define NUMPIXELS  16 // number of neopixels in strip

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

int delayval = 100; // timing delay in milliseconds

byte rdeca[8] = {255,255,255,0,0,0,255,255};
byte zelena[8] = {0,128,255,255,255,0,0,255};
byte modra[8] = {0,0,0,0,255,255,255,255};



void setup() {
  // put your setup code here, to run once:
  pinMode(2, OUTPUT);
  pinMode(3, INPUT_PULLUP);
  pixels.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
   
  for(int i=0; i<8;i++) barvni_krog(rdeca[i],zelena[i],modra[i], 0);


}

void barvni_krog(byte red, byte green, byte blue, int vhod){

  
  for(int i=0; i<16; i++){
       
       int speed = 1023-analogRead(vhod);
       pixels.setPixelColor(i, pixels.Color(red, green, blue));
       pixels.show();
       delay(speed);
       int stikalo = digitalRead(3);
       if(stikalo) pixels.setPixelColor(i, pixels.Color(0, 0, 0));
   }
}