returns this vector minus c concode_field_sep double x concode_elem_sep double y concode_field_sep Vector2 unit concode_elem_sep Vector2 set concode_elem_sep Vector2 mult concode_elem_sep Vector2 mult concode_elem_sep Vector2 shortenLength concode_elem_sep double length
Vector2 function ( Double arg0 ) { Vector2 loc0 = new Vector2 ( this . x - arg0 , this . y - arg0 ) ; return loc0 ; }