#include <Adafruit>NeoPixel.h>
#ifdef AVR
#include <avr/power.h>
#endif

int outputValue = 0;
int rememberOutputValue;
int randNumber;
int counter = 0;
int loopCounter = 0;

#define PIN D10
#define NUMPIXELS 8

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

void setup() {

  pixels.begin();
  randomSeed(analogRead(A0));
}

uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return pixels.Color(255 - WheelPos * 3, 0, WheelPos * 3,0);
   
  }
  if(WheelPos <170) {
    WheelPos -= 85;
    return pixels.Color(WheelPos * 3, 255 - WheelPos * 3, 0,0);
  }

void loop() {

  int sensorValue;
  counter = 0;

  for (int i = 0; i < 100; i++){
    sensorValue = analogRead(A0);
    if(sensorValue > 100) counter++;
  }

  if(map(counter, 10, 60, 80 ,80) > outputValue)outputValue = map(counter , 00, 40 , 0, 40);
  else if(loopCounter %2 == 0)outputValue -=1;

  if(outputValue < 0) outputValue = 0;
  if(outputValue > 60) outputValue = 60;

  if(loopCounter % 100 == 0)randNumber = random(255);
  loopCounter++;

  for(int i = 0; i < NUMPIXELS; i++){

    pixels.setPixelColor(i, pixels.Color(0, 0, 0, 255));
    
  }

  if(rememberOutputValue ! = outputValue){
    for(int i = 60; i > (60-outputValue) || (outputValue == 20 && i == 0); i--){
      pixels.setPixelColor(i, Wheel((randNumber) & 255));
    }

    pixels.show();
  }

  rememberOutputValue = outputValue;
}


}