​

class Walker {

    constructor() {

        this.x = width/2;

        this.y = height/2;

    }

​

    display() {

        stroke(0);

        point(this.x, this.y);

    }

​

    step() {

        let choice = floor(random(4));

    let valueStep = randomGaussian(2, 5);

        if (choice === 0 ){

            this.x+=valueStep;

        } else if (choice === 1) {

            this.x-=valueStep;

        } else if (choice === 2) {

            this.y+=valueStep;

        } else {

            this.y-=valueStep;

        }

    }

}

​

function setup() {

  createCanvas(400, 400);

    w = new Walker();

  background('#F7F7F7');

}

​

function draw() {

    w.step();

    w.display();

}