Generates an abstract paint of 2 colorful tangent circles

abstractArtDichotomyOfCirclesPainting.pde

//based from https://www.dwitter.net/d/22303
float f, k,q, t, w, X, Y;
void setup() {
  size(1280, 720);
  noStroke();
  clear();
}
void draw() {
  t+=.01;
  for (float i=1024,k=i/2; i>0; i--) {
    rect(k+X*cos(Y), k+X*sin(Y), w=i/pow(2,t), w);
    f=i*t;
    X=f*f%4098;
    Y=X*f%17.7;
    fill(q=i*sin(sin(X/k+sin(Y)))/2,int(X/4)&int(q),i*sin(q/X-Y)/2,128);
  }
  if (frameCount == 1000) save("abstractArtDichotomyOfCirclesPainting.png");
}