Cube wave

cubewave.pde

float angle;
float w = 24;
float maxD;
int num = 16;

void setup() {
  size(400, 400, P3D);  
  smooth(8);
  maxD = dist(0, 0, num*w, num*w);
}

void draw() {
  background(200);
  translate(width/2, height/2 -100,-600);
  scale(0.8,0.8);
  rotateX(HALF_PI - radians(25));  
  rotateZ(radians(45));
  for (int y = 0; y < num; y++) {
    for (int x = 0; x < num; x++) {
      pushMatrix();
      float d = dist(x*w, y*w, num*w/2, num*w/2);
      float offset = map(d, 0, maxD, 0, num);
      float a = angle + offset;
      float h = map(sin(a), -1, 1, 100, 300);
      translate(x*w, y*w, 0);
      box(w, w, h);
      popMatrix();
    }
  }

  angle += 0.1;
}