MorelletGridsAdapted.pde

float spacer = 60;
 
void setup(){
  size(640, 640);
  noLoop();
  stroke(0, 30);
}
 
void draw(){
  background(220);
  
  for(int i = 0 ; i < 55 ; i++){
    drawAngleGrid(i * 6);
  }
}

void drawAngleGrid(float offset){
  pushMatrix();
  translate(width/2, height/2);
  rotate(radians(offset));
  
  for(float x = -width ; x < width*2 ; x += spacer){
    line(x + random(-1.5, 1.5),  -height, x + random(-1.5, 1.5), height*2);
  }
  for(float y = -height ; y < height*2 ; y += spacer){
    line(-width, y + random(-0.5, 0.5), width*2, y + random(-0.5, 0.5));
  }
  popMatrix();
}