square_rounded_pattern.pde

float [] deltas = new float [8];

void setup() {
  size(800, 800);
  background(0);
  noStroke();
  noLoop();
}

void draw() {
  background(250,75,30);

  curveTightness(0.25);

  for (int j = 150; j <= 650; j+= 250) {
    for (int k = 100; k <= 700; k+= 150) {

      pushMatrix();
      translate(j, k);

      int ampDelta = 5;
      for (int i = 0; i< deltas.length; i++) {
        deltas[i] = random(-ampDelta, ampDelta);
      }
      
      beginShape();
      curveVertex(-90+deltas[0], -50+deltas[1]);
      curveVertex(90+deltas[2], -50+deltas[3]);
      curveVertex(90+deltas[4], 50+deltas[5]);
      curveVertex(-90+deltas[6], 50+deltas[7]);
      curveVertex(-90+deltas[0], -50+deltas[1]);
      curveVertex(90+deltas[2], -50+deltas[3]);
      curveVertex(90+deltas[4], 50+deltas[5]);
      endShape(CLOSE);

      popMatrix();
    }
  }
}