Place random line on cnavas

random-line.p5js

function randomPoint() {
  return {
    x: round(random(0, width / 20)) * 20,
    y: round(random(0, height / 20)) * 20
  };
}

let rule = {
  lines: [],
  reinvent: function() {
    let n = random(1, 10);

    this.lines = [];
    for (let i = 0; i < 1; i++) {
      let l = random(1, 10);
      let x = [];
      for (let j = 0; j < 6; j++) {
        x.push(randomPoint());
      }
      this.lines.push(x);
    }

  }
};

function setup() {
  createCanvas(400, 400);
  frameRate(1);
  stroke(255);
  strokeWeight(5);
  noFill();
}

function draw() {
  background(0);

  rule.reinvent();

  for (let i = 0; i < rule.lines.length; i++) {
    beginShape();
    for (let j = 0; j < rule.lines[i].length; j++) {
      vertex(rule.lines[i][j].x,rule.lines[i][j].y);
    }
    endShape();
  }
}