// Daniel Shiffman

// http://codingtra.in

// https://youtu.be/l__fEY1xanY

// https://thecodingtrain.com/CodingChallenges/052-random-walk.html

// chatgpt

​

let x, y;

let old_x, old_y;

let colors;

​

function setup() {

  createCanvas(400, 400);

  x = width / 2;

  y = height / 2;

  old_x = x;

  old_y = y;

  background(0);

​

  colors = [

    "rgba(255, 0, 0, 0.8)",

    "rgba(0, 255, 0, 0.8)",

    "rgba(0, 0, 255, 0.8)",

    "rgba(255, 255, 0, 0.8)",

    "rgba(255, 0, 255, 0.8)",

    "rgba(0, 255, 255, 0.8)",

  ];

}

​

function draw() {

  stroke(random(colors));

  strokeWeight(10);

  glowEffect();

​

  line(x, y, old_x, old_y);

​

  old_x = x;

  old_y = y;

​

  let stepSize = random([-50, -5, 5, 50]);

​

  let r = floor(random(10));

  switch (r) {

    case 0:

      x += stepSize;

      break;

    case 1:

      x -= stepSize;

      break;

    case 2:

      y += stepSize;

      break;

    case 3:

      y -= stepSize;

      break;

  }

​

  x = constrain(x, 0, width);

  y = constrain(y, 0, height);

}

​

//below glowEffect() part i asked chatgpt to give me a glow effect to the lines, to create neon lights effects.

function glowEffect() {

  for (let i = 10; i > 0; i--) {

    strokeWeight(i);

    stroke(random(colors).replace("0.8", (i * 0.08).toFixed(2)));

    line(x, y, old_x, old_y);

  }

}

​