Method findContainingCorner

src/infrastructure/Rectangle.ts:252–257

* Finds the corner (if any) of this rectangle that contains the point [x, y]. * @param x The x-coordinate to check * @param y The y-coordinate to check * @param cornerSize Each corner is treated as an inset square with this width and height. * @returns The compass directi

(x: number, y: number, cornerSize: number)

   * @returns The compass direction of the corner that contains the point, or `undefined` if the point is not in any corner.
   */
  findContainingCorner(x: number, y: number, cornerSize: number): CompassCorners | undefined {
    if (this.isInTopLeftCorner(x, y, cornerSize)) return "NW"
    if (this.isInTopRightCorner(x, y, cornerSize)) return "NE"
    if (this.isInBottomLeftCorner(x, y, cornerSize)) return "SW"
    if (this.isInBottomRightCorner(x, y, cornerSize)) return "SE"
  }

  /** @returns `true` if the point [{@link x}, {@link y}] is in the top-left corner of this rectangle, otherwise `false`. */
  isInTopLeftCorner(x: number, y: number, cornerSize: number): boolean {