lunar ripples

let qr;
let t, d, startGrid, endGrid;
let cells;
let nCells;
let bSize = 150;
let qrCodeGeometry;


function setup() {
  let c = min(windowWidth, windowHeight) * 0.7;
  angleMode(DEGREES)
  lunarI = random(width/4,width*1.5)
  col1 = [255, 255, 255, 255];
  createCanvas(c, c, WEBGL);
  nCells = 100
  startGrid = 100
  endGrid = 100
  g = random(1,3)+nCells/100
   h = random(2,10)+nCells/100
  d = width/nCells;
  qrCodeGeometry = buildGeometry(() => {
    for (let i = 0; i < nCells ; i++) {
      for (let j = 0; j < nCells ; j++) {
        di = abs(dist(d * i,d*j,width/2,height/2))
          if(di<width/2){
            push();
            if(abs(dist(d * i,d*j,lunarI,lunarI))>width/2){
              rand1 = (width/2 -di)/(width/2)*
            (i+bSize*abs(cos(i/g+j/(i+h) - i*j/(g*g))) - bSize/2*sin(i/h-j/g-di/(g+h))*cos(j*i*cos(g-i/h - di/500)/(g)));
            }else{
              rand1 = 0.3*(width/2 -di)/(width/2)*
            (i+bSize*abs(cos(i/g+j/(i+h) - i*j/(g*g))) - bSize/2*sin(i/h-j/g-di/(g+h))*cos(j*i*cos(g-i/h - di/500)/(g)));
            }
          
          translate(-width / 2 + d * i, -height / 2 + d * j, rand1 / 2);
          box(d, d, 10+rand1 );
          pop();
          }
          
        
      }
    }
  });
}

function draw() {
  t = frameCount / 10;
  scale(0.6);
  orbitControl();
  rotateY((PI / 4) * sin(t / 2)+20);
  rotateX((PI / 4) * sin(t / 5)+20);
  rotateZ((PI / 4) * sin(t / 3)-20);
  background(255);
  pointLight(255, 255, 255, 600, 600, 600);
  pointLight(255, 255, 255, -600, 600, 600);
  specularMaterial(255);
  model(qrCodeGeometry);
}

function keyPressed() {
  if (keyCode === 83) {
    qrCodeGeometry.saveStl("model.stl", { binary: true });
  }
}