Fairy Lamp Code Arduino

gistfile1.txt

int redPin = 5;
int greenPin = 6;
int bluePin = 3;

int ledMax = 40;
int ledMin = 5;

//int brightness = ledMin;
//int fadeAmount = 1;

int redVal = ledMin;
int greenVal = ledMin;
int blueVal = ledMin;

int redFade = 1;
int greenFade = 2;
int blueFade = 3;

void setup() {
  pinMode (redPin, OUTPUT);
  pinMode (greenPin, OUTPUT);
  pinMode (bluePin, OUTPUT); 
}

void loop() {

//  setColor(brightness, brightness, brightness);
//  brightness = brightness + fadeAmount;
//  if (brightness <= ledMin || brightness >= ledMax) {
//    fadeAmount = -fadeAmount;
//  }

  setColor(redVal, greenVal, blueVal);
  
  redVal = redVal + redFade;
  greenVal = greenVal + greenFade;
  blueVal = blueVal + blueFade;
  
  if (redVal <= ledMin || redVal >= ledMax) {
    redFade = -redFade;
  }
  if (greenVal <= ledMin || greenVal >= ledMax) {
    greenFade = -greenFade;
  }
  if (blueVal <= ledMin || blueVal >= ledMax) {
    blueFade = -blueFade;
  }

  delay(120);

}

void setColor (int red, int green, int blue) {
  // using common anode LED
  red = 255 - red;
  green = 255 - green;
  blue = 255 - blue;

  analogWrite (redPin, red);
  analogWrite (greenPin, green);
  analogWrite(bluePin, blue);
  
}