private Vector3D APN()
{
Vector3D nRelativeVelocityVec = RelativeVelocityVec;
double mRelativeVelocity = nRelativeVelocityVec.Normalize();
Vector3D accelerationNormal;
accelerationNormal = PGAIN * RelativeVelocityVec.Cross(CalculateRotVec()); //PPN term
accelerationNormal += PGAIN * TargetAccel / 2; //APN term
accelerationNormal += NewLos; //LosBias term
return(accelerationNormal);
}
private Vector3D HPN()
{
double lambda = LOSRate;
double gamma = (PGAIN * LOSRate);
float cos = MyMath.FastCos((float)gamma - (float)lambda);
double IPNGain = (RelativeVelocityVec.Length() * PGAIN) / (MissileVelocityVec.Length() * cos);
IPNGain = MathHelperD.Clamp(IPNGain, MINN, MAXN);
IPNGain = (!double.IsNaN(IPNGain)) ? IPNGain : PGAIN;
DebugEcho($"IPNGain: {IPNGain:#.###}");
Vector3D accelerationNormal;
accelerationNormal = IPNGain * RelativeVelocityVec.Cross(CalculateRotVec()); //PPN term
accelerationNormal += IPNGain * TargetAccel / 2; //APN term
accelerationNormal += IPNGain * LosDelta; //HPN term
accelerationNormal += -rc.GetNaturalGravity(); //Gravity term
accelerationNormal += NewLos; //LosBias term
return(accelerationNormal);
}
private Vector3D PPN()
{
Vector3D accelerationNormal = PGAIN * RelativeVelocityVec.Cross(CalculateRotVec()); //PPN term
return(accelerationNormal);
}