//nastavi lucke
int A = 2;
int B = 3;
int C = 4;
int D = 5;
int E = 6;
int F = 7;
int G = 8;
int H = 9;
int I = 10;
int J = 11;
//nastavi tipke
int L2 = A1;
int L1 = A2;
int D1 = A3;
int D2 = A4;
//nastavi koordinato x 
int x = 1;

void setup() {
    //nastavi lucke kot output
    pinMode(A, OUTPUT);
    pinMode(B, OUTPUT);
    pinMode(C, OUTPUT);
    pinMode(D, OUTPUT);
    pinMode(E, OUTPUT);
    pinMode(F, OUTPUT);
    pinMode(G, OUTPUT);
    pinMode(H, OUTPUT);
    pinMode(I, OUTPUT);
    pinMode(J, OUTPUT);
    //natsavi tipke kot input
    pinMode(L2, OUTPUT);
    pinMode(L1, OUTPUT);
    pinMode(D1, OUTPUT);
    pinMode(D2, OUTPUT);
}
void loop() {
  //preberi tipke
  boolean le2 = digitalRead(L2);
  boolean le1 = digitalRead(L1);
  boolean de1 = digitalRead(D1);
  boolean de2 = digitalRead(D2);
  //racunaj koordinate
  if (le2 == 1) {
      x = x -2   ;  
  } else if (le1 == 1) {
        x = x -1;
    } else if (de1 == 1) {
          x = x +1;
      } else if (de2 == 1) {
            x = x +2;
        } else {
          }
   disp(); //prikaz
   delay(123); //delay za stabilnost, najlazji nacin, zahteva pritisk tipke za 123 ms
}

void reset() {
//izklopi vse lucke
digitalWrite(A, 0);
digitalWrite(B, 0);
digitalWrite(C, 0);
digitalWrite(D, 0);
digitalWrite(E, 0);
digitalWrite(F, 0);
digitalWrite(G, 0);
digitalWrite(H, 0);
digitalWrite(I, 0);
digitalWrite(J, 0);
}

void disp() {
    //preveri koordinate
    if (x < 11 && x > 0) {  
    reset(); //pobrise prejsnje stanje
    //glede na koordinate prizge doloceno lucko
    if (x == 1) {digitalWrite(A, 1);}
    if (x == 2) {digitalWrite(B, 1);}
    if (x == 3) {digitalWrite(C, 1);}
    if (x == 4) {digitalWrite(D, 1);}
    if (x == 5) {digitalWrite(E, 1);}
    if (x == 6) {digitalWrite(F, 1);}
    if (x == 7) {digitalWrite(G, 1);}
    if (x == 8) {digitalWrite(H, 1);}
    if (x == 9) {digitalWrite(I, 1);}
    if (x == 10) {digitalWrite(J, 1);}
    //popravi koordinate
    } else if (x < 1) {
          x = 1;
      } else if (x > 10) {
            x = 10;
        }
}