PerlinLine.pde

int seed = int(random(999999));

void setup() {
  size(960, 960, P2D);
  smooth(8);
  pixelDensity(2);

  generate();
}

void draw() {
}

void keyPressed() {
  seed = int(random(999999));
  generate();
}

void generate() {
  background(240);

  noiseDetail(1);
  for (int i = 0; i < 10; i++) {
    float x = width*random(0.2, 0.8);
    float y = height*random(0.2, 0.8);
    float des = random(10000);
    float det = random(0.01, 0.02);//*random(0.1, 1); 
    noFill();
    beginShape();
    for (int j = 0; j < 10000; j++) {
      float ang = noise(des+x*det, des+y*det)*TWO_PI*20;
      vertex(x, y);
      x += cos(ang);
      y += sin(ang);
    }
    endShape();
  }
}