Efecto Pacman, sale de un lado y aparece por el opuesto.

Toloidal

void checkEdges() {
 
  if (location.x > width) {
    location.x = 0;
  } else if (location.x < 0) {
    location.x = width;
  }

  if (location.y > height) {
    location.y = 0;
  } else if (location.y < 0) {
    location.y = height;
  }

}