src/Math/Point.php
public static function fromPolarDeg($length, $ap, $av)
  {
    return static::fromPolar($length, deg2rad($ap), deg2rad($av));
  }
public static function fromPolarDeg($length, $ap, $av)
  {
    return static::fromPolar($length, deg2rad($ap), deg2rad($av));
  }
Construct coordinate by the vector length and direction (in degrees).

@param $length the vector length
@param $ap angle in XY plane (in degrees)
@param $av angle off XY plane (in degrees)