public Direction2(Direction1 x, Direction1 y) { Vector = new Vector2(x, y); }
public Direction3(Direction1 x, Direction1 y, Direction1 z) { Vector = new Vector3(x, y, z); }
public Direction2(Direction1 xy) { Vector = new Vector2(xy, xy); }
public Direction3(Direction1 xyz) { Vector = new Vector3(xyz, xyz, xyz); }