const rows = 40;

const scaleFactor = 50;

let img;

​

function preload() {

  img = loadImage("heightmap.png")

  img.resize(cols, rows)

  img.loadPixels()

}

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(0);

​

  let noise = []

​

  // Grab the noise values from the image

  for (let y = 0; y < img.height; y++) {

    for (let x = 0; x < img.width; x++) {

      let c = color(img.get(x, y));

      let bright = (red(c) + green(c) + blue(c)) / 3;

      noise.push(bright)

    }

  }

​

  console.log(noise)

}