#include <FastLED.h>                        //FastLed library version 3.2.1 - https://github.com/FastLED/FastLED/wiki/Overview or http://fastled.io/ with NEOPIXEL or WS2812B
#define NUM_STRIPS 2                        // number of led strips (in this example are front left and front right)
#define NUM_LEDS_PER_STRIP 20               // number of leds per each strip
CRGB leds[NUM_STRIPS][NUM_LEDS_PER_STRIP];
uint8_t gHue = 0;                           // rotating "base color" used by many of the patterns

void setup() {
  FastLED.addLeds<NEOPIXEL, 9>(leds[0], NUM_LEDS_PER_STRIP); //led strip for front right
  FastLED.addLeds<NEOPIXEL, 10>(leds[1], NUM_LEDS_PER_STRIP); //led strip for front right
  //FastLED.clear(); 
  //FastLED.show();
}

void loop() {
  // Slower:
  // Strobe(0xff, 0x77, 0x00, 10, 100, 1000);
  // Fast:
  Strobe();
}

void Strobe(){
  Strobe(0xFF, 0x00, 0x00, 5, 10, 20);
  Strobe2(0x05, 0x16, 0xFF, 5, 10, 20);
  //Strobe3(0xff, 0xff, 0xff, 2, 10, 160);
}

void Strobe(byte red, byte green, byte blue, int StrobeCount, int FlashDelay, int EndPause){
  for(int j = 0; j < StrobeCount; j++) {
    setAll(red,green,blue);
    showStrip();
    delay(FlashDelay);
    setAll(0,0,0);
    showStrip();
    delay(FlashDelay);
  }
 
 delay(EndPause);
}

void Strobe2(byte red, byte green, byte blue, int StrobeCount, int FlashDelay, int EndPause){
  for(int j = 0; j < StrobeCount; j++) {
    setAll2(red,green,blue);
    showStrip();
    delay(FlashDelay);
    setAll2(0,0,0);
    showStrip();
    delay(FlashDelay);
  }
 
 delay(EndPause);
}

void Strobe3(byte red, byte green, byte blue, int StrobeCount, int FlashDelay, int EndPause){
  for(int j = 0; j < StrobeCount; j++) {
    setAll3(red,green,blue);
    showStrip();
    delay(FlashDelay);
    setAll3(0,0,0);
    showStrip();
    delay(FlashDelay);
  }
 
 delay(EndPause);
}

void showStrip() {
   FastLED.show();
}

void setPixel(int Pixel, byte red, byte green, byte blue) {
   leds[0][Pixel].r = red;
   leds[0][Pixel].g = green;
   leds[0][Pixel].b = blue;
}

void setPixel2(int Pixel, byte red, byte green, byte blue) {
   leds[1][Pixel].r = red;
   leds[1][Pixel].g = green;
   leds[1][Pixel].b = blue;
}

void setPixel3(int Pixel, byte red, byte green, byte blue) {
   leds[1][Pixel].r = red;
   leds[1][Pixel].g = green;
   leds[1][Pixel].b = blue;
   leds[0][Pixel].r = red;
   leds[0][Pixel].g = green;
   leds[0][Pixel].b = blue;
}

void setAll3(byte red, byte green, byte blue) {
  for(int i = 0; i < NUM_LEDS_PER_STRIP; i++ ) {
    setPixel3(i, red, green, blue);
  }
  showStrip();
}


void setAll2(byte red, byte green, byte blue) {
  for(int i = 0; i < NUM_LEDS_PER_STRIP; i++ ) {
    setPixel2(i, red, green, blue);
  }
  showStrip();
}

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