function setup() {

  createCanvas(400, 400);

  background(220);

}

​

function draw() {

  loadPixels()

  let rx = 0.0;

  let gx = 100.0;

  let bx = 200.0;

  for (let y = 0; y < height; y++) {

    let ry = 0.0;

    let gy = 100.0;

    let by = 200.0;

    for (let x = 0; x < width; x++){

      let index = 4*(x+y*width);

      let r = map(noise(rx, ry), 0, 1, 0, 255);

      let g = map(noise(gx, gy), 0, 1, 0, 255);

      let b = map(noise(bx, by), 0, 1, 0, 255);

      noiseDetail(8, 0.65);

      pixels[index] = r;

      pixels[index+1] = 100;

      pixels[index+2] = b;

      ry += 0.01;

      gy += 0.01;

      by += 0.01;

    }

    rx += 0.01;

    gx += 0.01;

    bx += 0.01;

  }

  //zoff += 0.01;

  updatePixels();

}