PHPWarrior\Position::translate_offset PHP Method

    public function translate_offset($forward, $right)
    {
        $direction = Position::normalize_direction($this->direction());
        switch ($direction) {
            case 'north':
                return [$this->x + (int) $right, $this->y - (int) $forward];
                break;
            case 'east':
                return [$this->x + (int) $forward, $this->y + (int) $right];
                break;
            case 'south':
                return [$this->x - (int) $right, $this->y + (int) $forward];
                break;
            case 'west':
                return [$this->x - (int) $forward, $this->y - (int) $right];
                break;
        }
    }