createCanvas(1000 , 1000);

  noLoop();

}

​

function draw() {

  noStroke();

  let pixelSize = 25

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

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

      let c = 255 * noise(0.01 * x, 0.01 * y);

      fill(c);

      rect(x, y, pixelSize, pixelSize);

    }

  }

}