<pre lang=”java”>

void setup(){

size(310, 560);

noFill();

noLoop();

}

// rows/columns

void draw(){

rectMode(CENTER);

int n = 0;

for (int y=0; y<24; y++){

for (int x=0; x<12; x++) {

// square transformations (n gets progressively higher by row)

pushMatrix();

translate(20*x + random(n++)/70+30, 20*y + random(n)/70+30);

rotate(PI*random(-n, n)/1000);

rect(15, 15, 20, 20);

popMatrix();

}

}

}

</pre lang=”java”>