Microweber\Utils\Captcha::captcha_vector PHP Метод

    private function captcha_vector($palette, $startx, $starty, $angle, $length, $colour)
    {
        $angle = deg2rad($angle);
        $endx = $startx + cos($angle) * $length;
        $endy = $starty - sin($angle) * $length;
        return imageline($palette, $startx, $starty, $endx, $endy, $colour);
    }