/*
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  // #     #    #    #     # ######  ####### #######    #    #######
  // ##   ##   # #   ##    # #     # #     #      #    # #   #
  // # # # #  #   #  # #   # #     # #     #     #    #   #  #
  // #  #  # #     # #  #  # #     # #     #    #    #     # #####
  // #     # ####### #   # # #     # #     #   #     ####### #
  // #     # #     # #    ## #     # #     #  #      #     # #
  // #     # #     # #     # ######  ####### ####### #     # #
  //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
// Stacker Game Code


#include <Adafruit_NeoPixel.h>

#define PIN_LED 9
#define TOTAL_LED 8

uint32_t waktu = 0;
uint16_t index_led = 0;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(TOTAL_LED, PIN_LED, NEO_GRB + NEO_KHZ800);


void setup()
{
  Serial.begin(9600);
  Serial.println("STACKER MATRIX MAX 7219");
  strip.begin();
  strip.setBrightness(255);
  strip.show(); // Initialize all pixels to 'off
}

uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if (WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if (WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}

void loop()
{
  rainbowCycle(20);
}

void rainbowCycle(uint8_t wait) {
  static uint16_t j = 0;          // Variabel indeks siklus warna

  // Hanya update jika interval waktu telah berlalu
  if (millis() - waktu >= wait) {
    waktu = millis();

    while (index_led < strip.numPixels()) {
      strip.setPixelColor(index_led, Wheel(((index_led * 256 / strip.numPixels()) + j) & 255));
      index_led++;
    }
    strip.show();

    index_led =0;
    j++; // Increment siklus
    if (j >= 256 * 5) { // Reset setelah 5 siklus
      j = 0;
    }
  }
}