!7

static int viewSize = 21;

static int fps = 100, stepSize = 1;

p {

  Class perimeter = hotwire(#1006786);

  set(perimeter, size := viewSize);

  callMainInNewThread(perimeter);

  int radius = viewSize/2-2;

  int direction = 0;

  new MouseMover mover;

  mover.endAfterInterference = false;

  mover.blockTimeAfterInterference = 5000;

  mover.enable();

  while licensed {

    sleep(1000/fps);

    if (mover.blocked()) continue;

    Pt p = mousePointer();

    Rect area = new Rect(p.x-viewSize/2, p.y-viewSize/2, viewSize, viewSize);

    BWImage img = shootScreenBW(area);

    L<Pt> points = circlePoints(viewSize/2, viewSize/2, radius);

    final int n = l(points);

    float[] values = new float[n];

    for i to n:

      values[i] = img.getPixel(points.get(i));

    values = cyclicBlur(values);

    L<Int> minima = cyclicLocalMinima(values);

    if (empty(minima)) continue;

    final int _direction = direction;

    direction = lowestAccordingTo(minima, func(int i) { moddistance(i, _direction, n) });

    print("n=" + n + ", minima: " + struct(minima) + ", old direction=" + _direction + ", new direction: " + direction);

    Pt p2 = addPts(p, ptMul(stepSize, oneStepPt(points.get(direction), viewSize/2, viewSize/2)));

    //print("Moving mouse " + (p2.x-p.x) + "/" + (p2.y-p.y) + " (centroid: " + formatDouble(cx, 2) + "/" + formatDouble(cy, 2) +")");

    mover.moveMouseImmediate(p2);

  }

  mover.disable();

}