// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
#define PIN            1

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS      16

// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
// example for more information on possible values.
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 500; // delay for half a second
int red = 0;
int green = 0;
int blue = 0;
int ledMatrix[16][3];
int firstColor[1][3]={150,0,0};

void setup() {
  // This is for Trinket 5V 16MHz, you can remove these three lines if you are not using a Trinket
#if defined (__AVR_ATtiny85__)
  if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif
  // End of trinket special code

  strip.begin(); // This initializes the NeoPixel library.

}

void loop() {

  // For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.

  int start=1000;
   if (millis()<=start+(delayval*NUMPIXELS)){
    for (int a=0;a<NUMPIXELS;a++){
      if (a>((millis()-start)/delayval)){
        red = firstColor[0][0];
        green = firstColor[0][1];
        blue = firstColor[0][2];
        ledMatrix[a][0]= firstColor[0][0];
        ledMatrix[a][1]= firstColor[0][1];
        ledMatrix[a][2]= firstColor[0][2];
      }
      //else tylko dla płynnego uruchamiania
      else if (a=((millis()-start)/delayval)){
        int factor =  ((millis()-start)%delayval)/delayval;
        ledMatrix[a][0]= firstColor[0][0]*factor;
        ledMatrix[a][1]= firstColor[0][1]*factor;
        ledMatrix[a][2]= firstColor[0][2]*factor;
      }

    }
  for (int a=0;a<NUMPIXELS;a++)
  {
  strip.setPixelColor(a,ledMatrix[a][0],ledMatrix[a][1],ledMatrix[a][2]);
  }
  strip.show();

}
}