constructor (){

    this.xPos = 0;

    this.yPos = random(0,600);

    this.xSpeed = 1;

    this.ySpeed = random(0, 1);

  }

  pointdraw (strokeWeightnumber) {

    for(let i = 0; i < 10; i++) {

      strokeWeight(strokeWeightnumber);

      this.yPos += this.ySpeed;

      this.xPos += this.xSpeed;

      if (this.xPos > width - strokeWeightnumber / 2 || this.xPos < 0) {

        this.xSpeed = - this.xSpeed;

      }

      else if (this.yPos > height - strokeWeightnumber / 2|| this.yPos < strokeWeightnumber / 2) {

        this.ySpeed = - this.ySpeed;

      }

      stroke(random(0,255), random(0,255), random(0,255),);

      point(this.xPos, this.yPos);

    }

  }

}

​

let myLine;

​

function setup() {

  createCanvas(600, 600);

  frameRate(1);

  myLine = new RandomLine();

}

​

function draw() {

  background(220);

  myLine.pointdraw(25);

}