infinity

int num=100;
float step, maxDist, theta;


void setup() {
  size(1000, 1000);
  rectMode(CENTER);
  noStroke();
  fill(255);
  step = width/num;
  maxDist = dist(0, 0, width/2, height/2);
}

void draw() {
  background(#202020);
  for (int i=0; i<num; i++) {
    for (int j=0; j<num; j++) {
      pushMatrix();
      float x=step/2+i*step;
      float y=step/2+j*step;
      float distance = dist(x, y, width/2, height/2);
      float sz = map(distance, 0, maxDist, step*1,step*.15);
      float sc = map(sin(theta),-1,1,.5,2);
      float lerpAmount = map(distance, 0, maxDist, 0,1);
      color c = lerpColor(#E8F5AF ,#405A41 ,  lerpAmount);
      translate(x, y);
      fill(c);
      ellipse(0, 0, sz*sc,sz*sc);
      popMatrix();
    }
  }
  theta += 0.0523;

  //if (frameCount%2==0 && frameCount<121) saveFrame("image-###.gif");

}