#include "FastLED.h"
#include <EEPROM.h>
#define NUM_LEDS 32
CRGB leds[NUM_LEDS];
#define PIN 6

#define BUTTON 2

void setup()
{
  FastLED.addLeds<WS2812B, PIN, GRB>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
}

// Apply LED color changes
void showStrip() {

  // FastLED
  FastLED.show();
}

// Set a LED color (not yet visible)
void setPixel(int Pixel, byte red, byte green, byte blue) {
  // FastLED
  leds[Pixel].r = red;
  leds[Pixel].g = green;
  leds[Pixel].b = blue;
}

void setAll(byte red, byte green, byte blue) {
  for (int i = 0; i < NUM_LEDS; i++ ) {
    setPixel(i, red, green, blue);
  }
  showStrip();
}

void fadeToBlack(int ledNo, byte fadeValue) {

  // FastLED
  leds[ledNo].fadeToBlackBy( fadeValue );

}

void loop() {
  CylonBounce(0xff, 0, 0, 4, 50, 500);
}

void CylonBounce(byte red, byte green, byte blue, int EyeSize, int SpeedDelay, int ReturnDelay){

  for(int i = 0; i < NUM_LEDS-EyeSize-2; i++) {
    setAll(0,0,0);
    setPixel(i, red/10, green/10, blue/10);
    for(int j = 1; j <= EyeSize; j++) {
      setPixel(i+j, red, green, blue);
    }
    setPixel(i+EyeSize+1, red/10, green/10, blue/10);
    showStrip();
    delay(SpeedDelay);
  }

  delay(ReturnDelay);

  for(int i = NUM_LEDS-EyeSize-2; i > 0; i--) {
    setAll(0,0,0);
    setPixel(i, red/10, green/10, blue/10);
    for(int j = 1; j <= EyeSize; j++) {
      setPixel(i+j, red, green, blue);
    }
    setPixel(i+EyeSize+1, red/10, green/10, blue/10);
    showStrip();
    delay(SpeedDelay);
  }
 
  delay(ReturnDelay);
}