#include <FastLED.h>
int light = 0;
int r = 9; // define pins
int g = 10;
int b = 11;
int oldavg = 0;
void setup() {
  Serial.begin(9600);
}

void loop() {
  int ss = 20; // sample size for light sensor
  int average = 0;
  for (int x = 0; x < ss; x++) {
    average += analogRead(light) / 4;
    delay(3);
  }
  average /= ss;
  if (oldavg == 0) {
      oldavg = average;
    }
  digitalWrite(13, HIGH);
  if (oldavg != average) {
    Serial.print("Goal: ");
    Serial.println(average);
  }
  while (oldavg < average) {
   oldavg ++;
   setColor(oldavg);
  }
  while (oldavg > average) {
   oldavg --;
   setColor(oldavg);
  }
  digitalWrite(13, LOW);
  }
  
  void setColor(int hue) {
  CRGB color = CHSV(hue, 255, 255);
  analogWrite(9, color.r);
  analogWrite(10, color.g);
  analogWrite(11, color.b);
  Serial.print("Hue: ");
  Serial.print(hue);
  Serial.print(", RGB : ");
  Serial.print(color.r);
  Serial.print(", ");
  Serial.print(color.g);
  Serial.print(", ");
  Serial.println(color.b);
}

 // END OF CODE

 
 /*// Library free version for regular RGB LEDs (tinkercad), using HSV --> RGB code not by me 
 //#include <FastLED.h>
int light = 0;
int oldavg = 0;
void setup() {
  Serial.begin(9600);
  pinMode(13, OUTPUT);
}

void loop() {
  int ss = 20; // sample size for light sensor
  int average = 0;
  for (int x = 0; x < ss; x++) {
    average += analogRead(light) / 4;
    delay(3);
  }
  average /= ss;
  if(oldavg == 0) {
      oldavg = average;
    }
  digitalWrite(13, HIGH);
  if(oldavg != average) {
    Serial.print("Goal: ");
    Serial.println(average);
  }
  while(oldavg < average) {
   oldavg ++;
   setColor(oldavg);
  }
  while(oldavg > average) {
   oldavg --;
   setColor(oldavg);
  }
  digitalWrite(13, LOW);
  }
  void SetColor(int hue) {
  byte RedLight;
byte GreenLight;
byte BlueLight;

  // this is the algorithm to convert from RGB to HSV
  byte h = hue;
  byte s = 255;
  byte v = 60;
  h = (h * 192) / 256;  // ..191
  unsigned int i = h / 32;   // We want a value of 0 thru 5
  unsigned int f = (h % 32) * 8;   // 'fractional' part of 'i' 0..248 in jumps

  unsigned int sInv = 255 - s;  // 0 -> 0xff, 0xff -> 0
  unsigned int fInv = 255 - f;  // 0 -> 0xff, 0xff -> 0
  byte pv = v * sInv / 256;  // pv will be in range 0 - 255
  byte qv = v * (256 - s * f / 256) / 256;
  byte tv = v * (256 - s * fInv / 256) / 256;

  switch (i) {
  case 0:
    RedLight = v;
    GreenLight = tv;
    BlueLight = pv;
    break;
  case 1:
    RedLight = qv;
    GreenLight = v;
    BlueLight = pv;
    break;
  case 2:
    RedLight = pv;
    GreenLight = v;
    BlueLight = tv;
    break;
  case 3:
    RedLight = pv;
    GreenLight = qv;
    BlueLight = v;
    break;
  case 4:
    RedLight = tv;
    GreenLight = pv;
    BlueLight = v;
    break;
  case 5:
    RedLight = v;
    GreenLight = pv;
    BlueLight = qv;
    break;
  }
  //CRGB& color = CHSV(average, 255, 255);
  Serial.print("Hue: ");
  Serial.print(hue);
  Serial.print(", RGB : ");
  Serial.print(RedLight);
  Serial.print(", ");
  Serial.print(GreenLight);
  Serial.print(", ");
  Serial.println(BlueLight);
  analogWrite(9, RedLight);
  analogWrite(10, GreenLight);
  analogWrite(11, BlueLight);
}*/