High altitude view of some 8bit XOR blue ocean waves

Ocean_waves_XOR.pde

//remix https://www.dwitter.net/d/23922
float a, b, d, m, r, w, z, t, X, Y;
void setup() {
  size(1280, 720);
  noStroke(); 
  fill(0,128,255);
}
void draw() {
  background(-1);
  t+=.02;
  z=w=180;
  d=-.05;
  for (m=2e4; m > 0; m--) {
    X=m%w;
    Y=m/w;
    a=X/90-1;
    b=Y/90-1.6;
    r=a*a+b*b;
    z=sin(a/d*r+t*4)-cos(b/d+t*7);
    //z=atan(a/d*r+t*4)-atan(b/d+t*7);//waves moving away from the shore
    //z=sin(a/d*r+t*4)-atan(b/d+t*7);//sideway waves moving
    rect(X, Y, cos(X/5-(round(1*sin(23*Y-t*3)) ^ round(39*Y)) - 1*cos(X/7+t*4)+t*7)/z+1, z*.4);
  }
  copy(this.get(), 0, 0, (int)w, (int)(2e4/w), 0, 0, width, height);
  //saveFrame("frame_######.png");
}