SqStepPerp

Is an UpRight / DownRight / DownLeft / UPLeft step.

Is perpendicular or non diagonal an Up / Right / Down / Left square tile direction or step

The angle of inclination of this square grid direction.

Utility method to append this element on to an ArrayBuffer[Int]. End users should rarely need to use this method. This is useful for methods like filter.

Performs the side effecting function on each Double in this Product element.

the step that foes in the opposite direct to this step.

Tile half step c column coordinate delta. The c delta to the tile side.

The SqCen that this step would point to if it departed from SqCen(0, 0).

Tile half step r row coordinate delta. The r delta to the tile side.

The delta in c for the target tile.

The delta in r for the target tile.