let tilesX = 20;

let tilesY = 20;

let tilesZ = 20;

let mag;

​

function setup() {

  createCanvas(windowWidth, windowHeight, WEBGL);

}

​

function draw() {

  let mag = mouseX;

  background(185, 185, 185);

  fill(255, 255, 0);

  noStroke();

​

  push();

​

  rotateX(radians(frameCount));

  rotateY(radians(frameCount));

  rotateZ(radians(frameCount));

​

  for (let x = 0; x < tilesX; x++) {

    for (let y = 0; y < tilesY; y++) {

      for (let z = 0; z < tilesZ; z++) {

        let posX = map(x, 0, tilesX, -mag, mag);

        let posY = map(y, 0, tilesY, -mag, mag);

        let posZ = map(z, 0, tilesZ, -mag, mag);

​

        push();

        translate(posX, posY, posZ);

        sphere(8);

        pop();

      }

    }

  }

  pop();

}

​