/**
 * INF1 - Arduino Lab - LED Ring * @author [email protected]
 */

#include <Adafruit_NeoPixel.h>

#define PIN        4  // pin on the Arduino
#define NUMPIXELS 16  // number of NeoPixels

// Declare our NeoPixel strip object:
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
//Rot
const int colorR = 0xFF;  // red:   0 .. 255 -> 0x00 .. 0xFF 
const int colorG = 0x0;   // green: 0 .. 255 -> 0x00 .. 0xFF
const int colorB = 0x0;   // blue:  0 .. 255 -> 0x00 .. 0xFF

// Orange
const int colorR_O = 0xFF;  // red:   255
const int colorG_O = 0xA5;   // green: 165
const int colorB_O = 0x0;   // blue:  0


// Gelb
const int colorR_G = 0xFF;  // red:   255
const int colorG_G = 0xFF;   // green: 255
const int colorB_G = 0x0;   // blue:  0

// Grün
const int colorR_Gr = 0x0;  // red:   0
const int colorG_Gr = 0xFF;   // green: 255
const int colorB_Gr = 0x0;   // blue:  0

// Blau
const int colorR_B = 0x0;  // red:   0
const int colorG_B = 0x0;   // green: 0
const int colorB_B = 0xFF;   // blue:  255

// Lila
const int colorR_L = 0x4B;  // red:   75
const int colorG_L = 0x0;   // green: 0
const int colorB_L = 0x82;   // blue:  130

// Violett
const int colorR_V = 0xEE;  // red:   238
const int colorG_V = 0x82;   // green: 130
const int colorB_V = 0xEE;   // blue:  238


// Pink
const int colorR_P = 0xFF;  // red:   255
const int colorG_P = 0xC0;   // green: 192
const int colorB_P = 0xCB;   // blue:  203


int wait = 300;   // delay (in milliseconds)

void setup() {
  pixels.begin();     // initializes the NeoPixel library
}

// Regenbogen 


void loop() {
  // the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one
  
  // clear all
  for (int i = 0; i < NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(0, 0, 0));
  }
  pixels.show(); // sends the updated pixel color to the hardware
   
  // pixels.Color in RGB, from 0,0,0 up to 255,255,255 or 0x0,0x0,0x0 up tp 0xFF,0xFF,0xFF
  for (int i = 0; i < NUMPIXELS; i+= 2) {
    if (i == 0) {
      pixels.setPixelColor(i, pixels.Color(colorR, colorG, colorB)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR, colorG, colorB));
    }
    if (i == 2){
      pixels.setPixelColor(i, pixels.Color(colorR_O,colorG_O,colorB_O)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_O,colorG_O,colorB_O));
    }
    if (i == 4){
      pixels.setPixelColor(i, pixels.Color(colorR_G,colorG_G,colorB_G)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_G,colorG_G,colorB_G));
    }
    if (i == 6){
      pixels.setPixelColor(i, pixels.Color(colorR_Gr,colorG_Gr,colorB_Gr)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_Gr,colorG_Gr,colorB_Gr));
    }
    if (i == 8){
      pixels.setPixelColor(i, pixels.Color(colorR_B,colorG_B,colorB_B)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_B,colorG_B,colorB_B));
    }
    if (i == 10){
      pixels.setPixelColor(i, pixels.Color(colorR_L,colorG_L,colorB_L)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_L,colorG_L,colorB_L));
    }
    if (i == 12){
      pixels.setPixelColor(i, pixels.Color(colorR_V,colorG_V,colorB_V)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_V,colorG_V,colorB_V));
    }
    if (i == 14){
      pixels.setPixelColor(i, pixels.Color(colorR_P,colorG_P,colorB_P)); 
      pixels.setPixelColor(i+1, pixels.Color(colorR_P,colorG_P,colorB_P));
    }

    

    pixels.show(); // sends the updated pixel color to the hardware
    delay(wait); // delay for a period of time 
  }
}