Some tripping Hyper Matrix shenanigans

hyperMatrix_GlitchGenerator.pde

//based on: https://twitter.com/ntsutae/status/1242745365608071169
float a, b, i, C, W=720, H=W/2;
void setup() {
  size(720, 720);
  strokeWeight(C=20);
  stroke(W);
  colorMode(HSB, 360);
  blendMode(DIFFERENCE);
}
void draw() {
  fill(C%2*W, 360, 360, 10);
  square(-9, -9, 900);
  fill(0);
  translate(H, H);
  rotate(C++*PI/2);//divide by other numbers for more effects: PI/3 or PI/4.. PI/7
  //stroke(120, 360,360);//for a green layout
  //stroke(random(1)*(C%360), 360,360); //for a crazy rainbow
  stroke(noise(1)*(C%360), 360,360);
  a=map(cos(C*.07), -1, 1, 0, 3);
  b=map(sin(C*.05), -1, 1, 0, 5);
  rect(0, 0, H/a, H/b);
  copy(0, 0, int(W), int(W), 0, 0, int(H), int(H));
  //Saves each frame as frame000001.png, frame000002.png, etc.
  //saveFrame("frame######.png");
}