type Direction = "N" | "E" | "S" | "W" | "NW" | "NE" | "SW" | "SE";
export function toGetClosestPoint(
  x1: number,
  y1: number,
  x2: number,
  y2: number,
  sx: number,
  sy: number,
) {
  let direction: Direction = "" as Direction;

  if (sx >= x1 && sx <= x2 && sy >= y2) direction = "N";
  if (sx >= x2 && sy <= y2 && sy >= y1) direction = "E";
  if (sx >= x1 && sx <= x2 && sy <= y1) direction = "S";
  if (sx <= x1 && sy <= y2 && sy >= y1) direction = "W";

  if (sx <= x1 && sy >= y2) direction = "NW";
  if (sx >= x2 && sy >= y2) direction = "NE";

  if (sx <= x1 && sy <= y1) direction = "SW";
  if (sx >= x2 && sy <= y1) direction = "SE";

  return direction;
}