iChing Generator

int[][] hexacodes = new int[64][6];

ArrayList<Hexagram> hexagrams;

​

void setup() {

  size(550, 550, P2D);

  hexagrams = new ArrayList<Hexagram>();

  generateHexaCodes();

  generateHexagrams(60, 1);

}

​

void draw() {

  background(0);

  translate(45, 50);

  for (Hexagram h : hexagrams) {

    h.display();

  }

}

​

void generateHexagrams(int padding, int lineWeight) {

  int index = 0;

  for ( int y=0; y<8; y++) {

    for ( int x=0; x<8; x++) {

      hexagrams.add(new Hexagram(index, x * padding, y * padding, lineWeight));

      index++;

    }

  }

}

​

void mousePressed() {

  for (Hexagram h : hexagrams) {

    h.change();

  }

}

​

class Hexagram {

  float pivotX;

  float pivotY;

  float lineWeight;

  int[] hexList = new int[6];

  float spacing;

  float lineLength;

  Hexagram (int index, float temppivotX, float temppivotY, float templineWeight) {

    pivotX = temppivotX;

    pivotY = temppivotY;

    lineWeight = templineWeight;

    spacing = lineWeight*4;

​

    for (int i = 0; i < hexList.length; i++) {

      hexList[i] = hexacodes[index][i];

    }

  }

​

  void myline (float lineStartX, float lineStartY, float lineLength, int broken) {

    if (broken == 0) {

      line (lineStartX, lineStartY, lineStartX+lineLength, lineStartY);

    } 

    if (broken == 1) {

      line (lineStartX, lineStartY, lineStartX+lineLength/2 - spacing, lineStartY);

      line (lineStartX+lineLength/2 +spacing, lineStartY, lineStartX+lineLength, lineStartY);

    }

  }

​

  void change() {

    for (int i = 0; i < hexList.length; i++) {

      hexList[i] = int(random(0, 2));

    }

  }

​

  void display () {

    lineLength = (lineWeight*18) + (spacing*4);

    strokeWeight (lineWeight);

    stroke(255);

    for( int i = 0; i < 6; i ++ ) {

      myline(pivotX, pivotY + i * spacing, lineLength, hexList[i]);

    }

  }

}

void generateHexaCodes() {

  //  magic from @bitcraftlab using pure java:

  /*

  String all="~?PaVyAOvzFw|nCGXeBohd_@xf`]Ql[M{NgDtjSIbp^}WEYU\\mHcsJLkuZqRrKTi";

  for (int i=0; i<64; i++) {

    String s = (binary(all.charAt(i)-63, 6));

    for (int j = 0; j < s.length (); j++) hexacodes[i][j] = Character.getNumericValue(s.charAt(j));

  }

  */

  int[] tmp = new int[6];

  tmp = new int[]{ 0, 0, 0, 0, 0, 0 };

  hexacodes[0] = tmp;

  tmp = new int[]{ 1, 1, 1, 1, 1, 1 };

  hexacodes[1] = tmp;

  tmp = new int[]{ 1, 0, 1, 1, 1, 0 };

  hexacodes[2] = tmp;

  tmp = new int[]{ 0, 1, 1, 1, 0, 1 };

  hexacodes[3] = tmp;

  tmp = new int[]{ 1, 0, 1, 0, 0, 0 };

  hexacodes[4] = tmp;

  tmp = new int[]{ 0, 0, 0, 1, 0, 1 };

  hexacodes[5] = tmp;

  tmp = new int[]{ 1, 1, 1, 1, 0, 1 };

  hexacodes[6] = tmp;

  tmp = new int[]{ 1, 0, 1, 1, 1, 1 };

  hexacodes[7] = tmp;

  tmp = new int[]{ 0, 0, 1, 0, 0, 0 };

  hexacodes[8] = tmp;

  tmp = new int[]{ 0, 0, 0, 1, 0, 0 };

  hexacodes[9] = tmp;

  tmp = new int[]{ 1, 1, 1, 0, 0, 0 };

  hexacodes[10] = tmp;

  tmp = new int[]{ 0, 0, 0, 1, 1, 1 };

  hexacodes[11] = tmp;

  tmp = new int[]{ 0, 0, 0, 0, 1, 0 };

  hexacodes[12] = tmp;

  tmp = new int[]{ 0, 1, 0, 0, 0, 0 };

  hexacodes[13] = tmp;

  tmp = new int[]{ 1, 1, 1, 0, 1, 1 };

  hexacodes[14] = tmp;

  tmp = new int[]{ 1, 1, 0, 1, 1, 1 };

  hexacodes[15] = tmp;

  tmp = new int[]{ 1, 0, 0, 1, 1, 0 };

  hexacodes[16] = tmp;

  tmp = new int[]{ 0, 1, 1, 0, 0, 1 };

  hexacodes[17] = tmp;

  tmp = new int[]{ 1, 1, 1, 1, 0, 0 };

  hexacodes[18] = tmp;

  tmp = new int[]{ 0, 0, 1, 1, 1, 1 };

  hexacodes[19] = tmp;

  tmp = new int[]{ 0, 1, 0, 1, 1, 0 };

  hexacodes[20] = tmp;

  tmp = new int[]{ 0, 1, 1, 0, 1, 0 };

  hexacodes[21] = tmp;

  tmp = new int[]{ 0, 1, 1, 1, 1, 1 };

  hexacodes[22] = tmp;

  tmp = new int[]{ 1, 1, 1, 1, 1, 0 };

  hexacodes[23] = tmp;

  tmp = new int[]{ 0, 0, 0, 1, 1, 0 };

  hexacodes[24] = tmp;

  tmp = new int[]{ 0, 1, 1, 0, 0, 0 };

  hexacodes[25] = tmp;

  tmp = new int[]{ 0, 1, 1, 1, 1, 0 };

  hexacodes[26] = tmp;

  tmp = new int[]{ 1, 0, 0, 0, 0, 1 };

  hexacodes[27] = tmp;

  tmp = new int[]{ 1, 0, 1, 1, 0, 1 };

  hexacodes[28] = tmp;

  tmp = new int[]{ 0, 1, 0, 0, 1, 0 };

  hexacodes[29] = tmp;

  tmp = new int[]{ 1, 0, 0, 0, 1, 1 };

  hexacodes[30] = tmp;

  tmp = new int[]{ 1, 1, 0, 0, 0, 1 };

  hexacodes[31] = tmp;

  tmp = new int[]{ 0, 0, 0, 0, 1, 1 };

  hexacodes[32] = tmp;

  tmp = new int[]{ 1, 1, 0, 0, 0, 0 };

  hexacodes[33] = tmp;

  tmp = new int[]{ 0, 1, 0, 1, 1, 1 };

  hexacodes[34] = tmp;

  tmp = new int[]{ 1, 1, 1, 0, 1, 0 };

  hexacodes[35] = tmp;

  tmp = new int[]{ 0, 0, 1, 0, 1, 0 };

  hexacodes[36] = tmp;

  tmp = new int[]{ 0, 1, 0, 1, 0, 0 };

  hexacodes[37] = tmp;

  tmp = new int[]{ 1, 0, 1, 0, 1, 1 };

  hexacodes[38] = tmp;

  tmp = new int[]{ 1, 1, 0, 1, 0, 1 };

  hexacodes[39] = tmp;

  //

  tmp = new int[]{ 0, 1, 1, 1, 0, 0 };

  hexacodes[40] = tmp;

  tmp = new int[]{ 0, 0, 1, 1, 1, 0 };

  hexacodes[41] = tmp;

  tmp = new int[]{ 1, 0, 0, 0, 0, 0 };

  hexacodes[42] = tmp;

  tmp = new int[]{ 0, 0, 0, 0, 0, 1 };

  hexacodes[43] = tmp;

  tmp = new int[]{ 1, 0, 0, 1, 1, 1 };

  hexacodes[44] = tmp;

  tmp = new int[]{ 1, 1, 1, 0, 0, 1 };

  hexacodes[45] = tmp;

  tmp = new int[]{ 1, 0, 0, 1, 0, 1 };

  hexacodes[46] = tmp;

  tmp = new int[]{ 1, 0, 1, 0, 0, 1 };

  hexacodes[47] = tmp;

  tmp = new int[]{ 1, 0, 0, 0, 1, 0 };

  hexacodes[48] = tmp;

  tmp = new int[]{ 0, 1, 0, 0, 0, 1 };

  hexacodes[49] = tmp;

  tmp = new int[]{ 1, 1, 0, 1, 1, 0 };

  hexacodes[50] = tmp;

  tmp = new int[]{ 0, 1, 1, 0, 1, 1 };

  hexacodes[51] = tmp;

  tmp = new int[]{ 0, 0, 1, 0, 1, 1 };

  hexacodes[52] = tmp;

  tmp = new int[]{ 1, 1, 0, 1, 0, 0 };

  hexacodes[53] = tmp;

  tmp = new int[]{ 1, 1, 0, 0, 1, 0 };

  hexacodes[54] = tmp;

  tmp = new int[]{ 0, 1, 0, 0, 1, 1 };

  hexacodes[55] = tmp;

  tmp = new int[]{ 0, 0, 1, 0, 0, 1 };

  hexacodes[56] = tmp;

  tmp = new int[]{ 1, 0, 0, 1, 0, 0 };

  hexacodes[57] = tmp;

  tmp = new int[]{ 0, 0, 1, 1, 0, 1 };

  hexacodes[58] = tmp;

  tmp = new int[]{ 1, 0, 1, 1, 0, 0 };

  hexacodes[59] = tmp;

  tmp = new int[]{ 0, 0, 1, 1, 0, 0 };

  hexacodes[60] = tmp;

  tmp = new int[]{ 1, 1, 0, 0, 1, 1 };

  hexacodes[61] = tmp;

  tmp = new int[]{ 1, 0, 1, 0, 1, 0 };

  hexacodes[62] = tmp;

  tmp = new int[]{ 0, 1, 0, 1, 0, 1 };

  hexacodes[63] = tmp;

}

​

​