Double [ ] function ( ) { return new Double [ ] { x , y } ; }
gets vector coordinates as a 2-element array concode_field_sep Double x concode_elem_sep Double y concode_field_sep Vector2D add concode_elem_sep Vector2D rotate concode_elem_sep Vector2D subtract concode_elem_sep Double length concode_elem_sep Vector2D opposite concode_elem_sep Double dotProduct concode_elem_sep Vector2D orthogonal concode_elem_sep Double getX concode_elem_sep Vector2D unit concode_elem_sep Double getY concode_elem_sep boolean isOrthogonal concode_elem_sep boolean equals concode_elem_sep boolean isParallel concode_elem_sep Vector2D clone concode_elem_sep Double angle concode_elem_sep Vector2D divide concode_elem_sep String toString concode_elem_sep Vector2D multiply concode_elem_sep Double squaredLength