rez = 0.003

amount = 400

speed = 0.005

factor = 0.008

​

function setup() {

  createCanvas(400, 400, WEBGL);

  camera(0, 200, (height/2) / tan(PI/6), 0, 0, 0, 0, 1, 0);

}

​

function draw() {

  background(220);

  ambientLight(100);

  directionalLight(255, 0, 0, 0.25, 0.25, 0);

  pointLight(0, 0, 255, -width/2 +100, -height/2 + 100, 250); //locX, locY, 250);

  for (x=-width; x<=width; x+=box_size) {

    for (y=-height; y<=height; y+=box_size) {

      push()

      translate(x,y,0)

      depth = constrain(noise(x * factor + frameCount * speed, y * factor + frameCount * speed)*amount,0, 1000)

      //console.log(depth)

      box(box_size,box_size,depth)

      pop()

    }

  }

}