#include <Adafruit_NeoPixel.h>
#define PIN 5
Adafruit_NeoPixel strip = Adafruit_NeoPixel(48, PIN, NEO_GRB + NEO_KHZ800);

int NUM_LIGHTS = 16;
int FADE_DELAY = 30;

void setup(){
  strip.begin();
  strip.show();
}

void loop(){
  setPixelColor(0, 255, 255);
  fadeSweepLights(FADE_DELAY);

  setPixelColor(255, 0, 255);
  fadeSweepLights(FADE_DELAY);

  setPixelColor(255, 255, 0);
  fadeSweepLights(FADE_DELAY);
}

// TODO: add units to param
void fadeSweepLights(int delay)
{
  for(int counterFade = 0; counterFade < 65; counterFade++)
  {
    strip.setBrightness(counterFade);
    strip.show();
    delay(delay);
  }
}

void setPixelColor(int r, int g, int b)
{
  for(int currentLight = 0; currentLight < NUM_LIGHTS; currentLight++)
  {
    // TODO: fix param order
    strip.setPixelColor(currentLight, r, g, b);
  }

  strip.show();
}