int tallaCurva = 100;

void setup(){
  size(500, 500);
  frameRate(1);
  background(255);
  
}

void draw(){
  background(255);
  noFill();
  stroke(0);
  beginShape();
  for(int i=0; i<tallaCurva; i++){
    curveVertex(random(0,width), random(0, height));
  }
  endShape();
}