// Piny pre LED diódy (D1 až D9)
const int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10};

// Pin pre tlačidlo
const int buttonPin = 11;

// Premenné
bool rolling = false;
unsigned long lastRollTime = 0;
const int rollInterval = 100;

void setup() {
  // Nastavenie LED pinov ako výstupy
    for (int i = 0; i < 9; i++) {
        pinMode(ledPins[i], OUTPUT);
          }
            // Nastavenie tlačidla ako vstup s pull-up rezistorom
              pinMode(buttonPin, INPUT_PULLUP);
              }

              void loop() {
                static int lastButtonState = HIGH;
                  static int currentFace = 1;

                    // Čítanie tlačidla
                      int buttonState = digitalRead(buttonPin);
                        if (buttonState == LOW && lastButtonState == HIGH) {
                            rolling = !rolling;
                                delay(200);
                                  }
                                    lastButtonState = buttonState;

                                      // Ak sa má kocka "točiť"
                                        if (rolling && millis() - lastRollTime > rollInterval) {
                                            lastRollTime = millis();
                                                currentFace = random(1, 7); // Náhodné číslo od 1 do 6
                                                    showNumber(currentFace);
                                                      }
                                                      }

                                                      void showNumber(int number) {
                                                        // Vypnutie všetkých LED
                                                          for (int i = 0; i < 9; i++) {
                                                              digitalWrite(ledPins[i], LOW);
                                                                }

                                                                  // Zapnutie LED podľa čísla
                                                                    switch (number) {
                                                                        case 1: digitalWrite(ledPins[4], HIGH); break; // Stredná LED (D5)
                                                                            case 2: digitalWrite(ledPins[0], HIGH); digitalWrite(ledPins[8], HIGH); break; // D1, D9
                                                                                case 3: digitalWrite(ledPins[0], HIGH); digitalWrite(ledPins[4], HIGH); digitalWrite(ledPins[8], HIGH); break; // D1, D5, D9
                                                                                    case 4: digitalWrite(ledPins[0], HIGH); digitalWrite(ledPins[2], HIGH); digitalWrite(ledPins[6], HIGH); digitalWrite(ledPins[8], HIGH); break; // D1, D3, D7, D9
                                                                                        case 5: digitalWrite(ledPins[0], HIGH); digitalWrite(ledPins[2], HIGH); digitalWrite(ledPins[4], HIGH); digitalWrite(ledPins[6], HIGH); digitalWrite(ledPins[8], HIGH); break; // D1, D3, D5, D7, D9
                                                                                            case 6: digitalWrite(ledPins[0], HIGH); digitalWrite(ledPins[2], HIGH); digitalWrite(ledPins[3], HIGH); digitalWrite(ledPins[5], HIGH); digitalWrite(ledPins[6], HIGH); digitalWrite(ledPins[8], HIGH); break; // D1, D3, D4, D6, D7, D9
                                                                                              }
                                                                                              }