/** Call Circle filter to focus on Zildo. */
private void circleOnZildo() {
PersoZildo zildo = EngineZildo.persoManagement.getZildo();
Point zildoPos = zildo.getCenteredScreenPosition();
Zildo.pdPlugin.getFilter(CircleFilter.class).setCenter(zildoPos.x, zildoPos.y);
}
