colorFader

// current RGB values
float cRed;
float cGreen;
float cBlue;

// target RGB values
float tRed;
float tGreen;
float tBlue;

// variable which denotes whether RGB is (+) or (-)
float signRed;
float signGreen;
float signBlue;

// min and max rgb values
float maxRed;
float minRed;

float maxGreen;
float minGreen;

float maxBlue;
float minBlue;


void setup() {
    //Serial.begin(9600);
  strip.begin();

  // Update LED contents, to start they are all 'off'
  strip.show();
  
  
  
  cRed = random(255);
  cGreen = random(255);
  cBlue = random (255);
  tRed = random (255);
  tGreen = random (255);
  tBlue = random (255);

  if (cRed > tRed) {
    signRed = -1;
  } 
  else {
    signRed = 1;
  }

  if (cGreen > tGreen) {
    signGreen = -1;
  } 
  else {
    signGreen = 1;
  }

  if (cBlue > tBlue) {
    signBlue = -1;
  } 
  else {
    signBlue = 1;
  }
}


void loop() {
  // Some example procedures showing how to display to the pixels
  colorPick();
}

void colorPick() {
  
  cRed = cRed + (1 * signRed);
  cGreen = cGreen + (1 * signGreen);
  cBlue = cBlue + (1 * signBlue);
  
// RED
  if (int(cRed) == int(tRed)) {
    tRed = random(255);
  }
    //println("New tRed = " + tRed);
    if (cRed < tRed) {
      signRed = 1;
    } 
    else {
      signRed = -1;
    }
  
// GREEN
  if (int(cGreen) == int(tGreen)) {
    tGreen = random(255);
  }
    //println("New tGreen = " + tGreen);
    if (cGreen < tGreen) {
      signGreen = 1;
    } 
    else {
      signGreen = -1;
    }
  
// BLUE
  if (int(cBlue) == int(tBlue)) {
    tBlue = random(255);
  }
    //println("New tBlue = " + tBlue);
    if (cBlue < tBlue) {
      signBlue = 1;
    } 
    else {
      signBlue = -1;
    }
  //Serial.println(cRed);
  //delay(0);
}