source code for the cover of http://8tracks.com/danielrt/39

39.pde

int i, j, gray;
PGraphics n39; // raster "39."
PFont fnt=createFont("HelveticaNeueLTStd-Bd", 54);
color[] c={
  color(234, 38, 92), // red
  color(5, 130, 204), // blue
  color(144, 204, 0), // green
  color(254, 183, 0) // orange
};

void setup() {
  size(1440, 1440);
  background(255);
  stroke(255);
  strokeWeight(2);
  n39=createGraphics(90, 90); // raster "38."
  n39.beginDraw();
  n39.background(0);
  n39.fill(255);
  n39.textFont(fnt);
  n39.textAlign(CENTER, TOP);
  n39.text("39.", 45, 40);
  n39.endDraw();
  for (j=0; j<90; j++) {
    fill(c[round(random(c.length-1))], round(random(192))+63);
    beginShape();
    curveVertex(-16, j*16);
    for (i=0; i<90; i++) {
      gray=32-round(red(n39.pixels[i+j*n39.width])/2);
      curveVertex(i*16+round(random(12))+8, j*16+round(random(gray)));
    }
    curveVertex(1456, j*16);
    endShape();
  }
  save("39.png");
}