Binary clock

binary_clock.pde

//Autor: Nadja Krümmel
class BinaryDigit {
  int[] binary;
  int decimal;

  BinaryDigit() {
    this.binary = new int[4];
    this.binary[3] =0;
    this.decimal = 0;
  }

  BinaryDigit(int decimal) {
    this.decimal = decimal;

    int zahl = decimal;
    int[] result = new int[4];
    int i = 0;
    while (zahl >0) {
      int digit = zahl % 2;
      zahl = zahl / 2;
      result[i] = digit;
      i++;
    }

    int[] res = new int[4];
    i =4;
    for (int j = 0; j < res.length; j++) {
      i--;
      res[j] = 
        result[i];
    }

    this.binary = res;
  }

  void display(int posX, int posY, int factor) {

    for (int i =0; i< this.binary.length; i++) {
      if (this.binary[i] == 0 ) {
        fill(255);
      } else {
        fill(255, 0, 0);
      }
      rect(posX, posY+factor*i+(factor/3)*i, factor, factor);
    }
  }

  void displayMini(int posX, int posY, int factor) {
    boolean drawn = false;
    for (int i =0; i< this.binary.length; i++) {
      if (this.binary[i] == 0 ) {
        if (drawn)
          fill(255);
        else
          fill(0);
      } else {
        drawn = true;
        fill(255, 0, 0);
      }
      rect(posX, posY+factor*i+(factor/3)*i, factor, factor);
    }
  }
}


BinaryDigit h1, h2, m1, m2, s1, s2;
int factor;

void setup() {
  size(500, 500);
  factor = 50;
  background(0);
}

void draw() {

  int h = hour();
  int m = minute();
  int s = second();
  
  h1 = new BinaryDigit(h/10);
  h2 = new BinaryDigit(h % 10);
 
  m1 = new BinaryDigit(m/10);
  m2 = new BinaryDigit(m % 10);

  s1 = new BinaryDigit(s/10);
  s2 = new BinaryDigit(s % 10);


  h1.display(10, 10, factor);
  h2.display(10+factor*1+10, 10, factor);
  m1.display(10+factor*2+10+20, 10, factor);
  m2.display(10+factor*3+10+20+10, 10, factor);
  s1.display(10+factor*4+10+10+20+10+20, 10, factor);
  s2.display(10+factor*5+10+10+20+10+20+10, 10, factor);
}