import processing.pdf.*;

float sqSize = 10;
float margin = 0;

float dx;
float dy;
float xShift;
float yShift;

void setup()
{
  dx = margin + sqSize;
  dy = -1 * ( margin + sqSize );
  xShift = 24 * dx;
  yShift = -12 * dy;

  rectMode( CENTER );  
  size( 17 * 144, 11 * 144, PDF, "knmPosterNew.pdf" );
  background( 255, 255, 255 );
  fill( 0 );
  noStroke();
  noLoop();
}

void draw()
{

  drawText();
  
  for (float i = 0; i < 13; i = i + 1 )
  {
    translate( -xShift + 50, yShift * i + 100 );
    for (float j = 0; j < 10; j = j + 1 )
    {

      translate( xShift, 0 );
      drawKNM( 0, i + j / 20 );  // bend, explode
    }

    // reset coordinates
    resetMatrix();
    
    
    // change square size
    sqSize = sqSize - random( 1, 2 );
    margin = margin + random( 1, 2 );
    
  }

  exit();

}

void drawText()
{

  
}

void drawKNM( float bend, float explode )
{
  drawK( bend, explode );
  translate( 6 * dx, 0 );
  drawN( bend, explode );
  translate( 6 * dx, 0 );
  drawM( bend, explode );
  translate( -12 * dx, 0 );
}

void drawK( float bend, float explode )
{
// lower half
  rect( 0, 0, sqSize, sqSize );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 6, true, bend, explode );
  go( 6, true, bend, explode );
  go( 9, true, bend, explode );
  go( 9, true, bend, explode );
  translate( -4 * dx, 4 * dy );
  rect( 0, 0, sqSize, sqSize );
  go( 8, true, bend, explode );
  go( 8, false, bend, explode );  // no draw
  go( 6, false, bend, explode );
  go( 6, false, bend, explode );
  go( 3, true, bend, explode );
  go( 3, true, bend, explode );
  translate( -4 * dx, -4 * dy );
}

void drawN( float bend, float explode )
{
  rect( 0, 0, sqSize, sqSize );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 9, true, bend, explode );
  go( 9, true, bend, explode );
  go( 9, true, bend, explode );
  go( 9, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  translate( -4 * dx, -4 * dy );
}

void drawM( float bend, float explode )
{
  rect( 0, 0, sqSize, sqSize );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 2, true, bend, explode );
  go( 9, true, bend, explode );
  go( 9, true, bend, explode );
  go( 3, true, bend, explode );
  go( 3, true, bend, explode );
  go( 8, true, bend, explode );
  go( 8, true, bend, explode );
  go( 8, true, bend, explode );
  go( 8, true, bend, explode );
  translate( -4 * dx, 0 );
}


// 1 2 3
// 4   6
// 7 8 9

void go( int direction, boolean drawSq, float bend, float explode )
{
  
  rotate( random( -1 * bend, bend ) );
  translate( random( -explode, explode ), random( -explode, explode ) );

  switch( direction )
  {
    case 1:
      translate( -1 * dx, dy );
      break;
    case 2:
      translate( 0, dy );
      break;
    case 3:
      translate( dx, dy );
      break;
    case 4:
      translate( -1 * dx, 0 );
      break;
    case 6:
      translate( dx, 0 );
      break;
    case 7:
      translate( -1 * dx, -1 * dy );
      break;
    case 8:
      translate( 0, -1 * dy );
      break;
    case 9:
      translate( 1 * dx, -1 * dy );
      break;
  }
  
  if (drawSq == true) { rect( 0, 0, sqSize, sqSize ); }
}