getPed method GTA IV

public Ped getPed(Vector3 position, float range, bool includePedInVehicle, Gender gen) {
                Vector3 camRot = Game.CurrentCamera.Rotation;
                double toRadian = Math.PI / 180.0;
                camRot = new Vector3((float)Math.Cos((camRot.Z + 90.0f) * toRadian), (float)Math.Sin((camRot.Z + 90.0f) * toRadian), (float)Math.Sin((Game.CurrentCamera.Rotation.X) * toRadian));
                Vector3 camPos = Game.CurrentCamera.Position;
                double difference = double.MaxValue;
                double distance;

                Vector3 directionPed;
                int lookingPedIndex = -1;

                Ped[] pedArray = World.GetPeds(camPos, range);
                for (int i = 0; i < pedArray.Length; i++) {
                    if (Exists(pedArray[i]) && pedArray[i] != Player.Character && pedArray[i].isAlive == true && pedArray[i].Gender==gen) {
                        if (includePedInVehicle == true || pedArray[i].isInVehicle() == false) {
                            directionPed = pedArray[i].Position - camPos;
                            directionPed.Normalize();
                            distance = camRot.DistanceTo(directionPed);

                            if (difference > distance) {
                                difference = distance;
                                lookingPedIndex = i;
                            }
                        }
                    }
                }

                if (lookingPedIndex == -1) {
                    return null;
                } else {
                    return pedArray[lookingPedIndex];
                }
            }