// Low power NeoPixel earrings example.  Makes a nice blinky display
// with just a few LEDs on at any time...uses MUCH less juice than
// rainbow display!

#include <Adafruit_NeoPixel.h>

#define PIN 0

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(32, PIN);

uint8_t  mode   = 1, // Current animation effect
         offset = 0; // Position of spinny eyes
uint32_t color  = 0xff0000; // Start red
uint32_t prevTime;
uint8_t m;

const float pi = 3.14;

const uint32_t breathe[] = {7, 7, 15, 23, 30, 38, 45, 52, 58, 64, 70, 76, 80, 85, 89, 92, 95, 97, 98, 99, 100, 100, 100, 100, 100, 100, 99, 98, 97, 95, 92, 89, 85, 80, 76, 70, 64, 58, 52, 45, 38, 30, 23, 15, 7 };
const uint32_t fire[] = { 0xff2426, 0xfe3223, 0xfe4121, 0xfd4f1f, 0xfd5e1d, 0xfc6d1b, 0xfc7b18, 0xfb8a16, 0xfb9814, 0xfaa712, 0xfab610, 0xffc20d, 0xffd30b, 0xffe309, 0xfff407, 0xf7ff05 };
const uint32_t lightning[] = { 0xffffff, 0x2436ff, 0x2e43fe, 0x3950fe, 0x4354fe, 0x4e6bfe,0xffffff, 0x5879fe, 0x6386fe, 0x6d93fe, 0x78a1fe, 0x82aefe, 0x8dbcfe, 0x97c9fe, 0xa2d6fe, 0xace4fe, 0xb7f1fe, 0xc2fffe, 0xffffff};
void setup() {
  pixels.begin();
  pixels.setBrightness(60); // 1/3 brightness
  prevTime = millis();
}

void loop() {
  uint8_t  i;
  uint32_t t;
  uint8_t  B;
  

  switch(mode) {

   case 0: // Random sparks - just one LED on at a time!
    i = 0;
    pixels.setPixelColor(i, color);
    pixels.show();
     delay(10);
    // pixels.setPixelColor(i, 0);
    break;
 
   case 1: // Spinny wheels (8 LEDs on at a time)
  //  B = breathe[m];

    color = 0xff2426;
     pixels.setPixelColor(i, color);
   // pixels.setBrightness(B);
    pixels.show();
    
    m++;
    if (m > 44) {
      m = 0;
      //color = 0xff00ff;
    }
    delay(60);
    break;
    
    case 2:
    i = 0;
    B = random(30) + 30;
    color = fire[random(15)];
    pixels.setPixelColor(i, color);
    pixels.setBrightness(B);
    pixels.show();
    delay(40);
   // pixels.setPixelColor(i, 0);

    break;
    case 3:
    // i = random(32);
    i = 0;
    color = lightning[random(18)];
    pixels.setPixelColor(i, color);
    pixels.show();
    delay(40);
    pixels.setPixelColor(i, 0);

    break;
    /* case 4: // Spinny wheels (8 LEDs on at a time)
    for(i=0; i<7; i++) {
      uint32_t c = 0;
      if(((offset + i) & 7) < 2) c = fire[i+1]; // 4 pixels on...
      pixels.setPixelColor(   i, c); // First eye
     // pixels.setPixelColor(31-i, c); // Second eye (flipped)
    }
    pixels.show();
    offset++;
    delay(50);*/
    break;

    
     case 5: // Spinny wheels (8 LEDs on at a time)
      if (m > 17) m = 0;
      uint32_t c = lightning[m];

      for (i=0;i<7; i=i+2) {
        pixels.setPixelColor(   i, lightning[m-1]); // First eye  
      } 

      for (i=1;i<7; i=i+2) {
        pixels.setPixelColor(   i, fire[m-1]); // First eye  
      } 
      
      pixels.show();
      m++;
      delay(50);
    
    break;
  }

  t = millis();
  /*
   * 
  if((t - prevTime) > 8000) {      // Every 8 seconds...
    mode++; // Next mode
    m = 0;
    if(mode > 3) {                 // End of modes?
      mode = 0;                    // Start modes over
      color >>= 8;                 // Next color R->G->B
      if(!color) color = 0xffae00; // Reset to red
    }
    for(i=0; i<32; i++) pixels.setPixelColor(i, 0);
    prevTime = t;
  }

  */
}