C++ (Cpp) getCOMPosVelの例

コード例 #1

ファイル: newtonian.cpp プロジェクト: vladutzik/DynamO

double
DynNewtonian::SphereSphereOutRoot(const IDRange& p1, const IDRange& p2, double d) const
{
    std::pair<Vector, Vector> r1data = getCOMPosVel(p1);
    std::pair<Vector, Vector> r2data = getCOMPosVel(p2);
    Vector r12 = r1data.first - r2data.first;
    Vector v12 = r1data.second - r2data.second;
    Sim->BCs->applyBC(r12, v12);
    return magnet::intersection::ray_inv_sphere_bfc(r12, v12, d);
}

コード例 #2

ファイル: gravity.cpp プロジェクト: toastedcrumpets/DynamO

  double
  DynGravity::SphereSphereOutRoot(const IDRange& p1, const IDRange& p2, double d) const
  {
    double accel1sum = 0;
    double mass1 = 0;
    for (const size_t ID : p1)
      {
	const Particle& part = Sim->particles[ID];       
	double mass = Sim->species(part)->getMass(ID);

	if (part.testState(Particle::DYNAMIC))
	  accel1sum += mass;

	mass1 += mass;
      }
    accel1sum /= mass1;
    
    double accel2sum = 0;
    double mass2 = 0;
    for (const size_t ID : p2)
      {
	const Particle& part = Sim->particles[ID];       
	double mass = Sim->species(part)->getMass(ID);

	if (part.testState(Particle::DYNAMIC))
	  accel2sum += mass;

	mass2 += mass;
      }
    accel2sum /= mass2;

    std::pair<Vector, Vector> r1data = getCOMPosVel(p1);
    std::pair<Vector, Vector> r2data = getCOMPosVel(p2);
    Vector r12 = r1data.first - r2data.first;
    Vector v12 = r1data.second - r2data.second;
    Sim->BCs->applyBC(r12, v12);

    M_throw() << "Not implemented yet";
    //Vector a12 = g * (accel1sum - accel2sum);
    //return magnet::intersection::parabola_inv_sphere(r12, v12, a12, d);
  }

コード例 #3

ファイル: gravity.cpp プロジェクト: MarkRunWu/DynamO

double
DynGravity::SphereSphereInRoot(const IDRange& p1, const IDRange& p2, double d) const
{
    double accel1sum = 0;
    double mass1 = 0;
    BOOST_FOREACH(const size_t ID, p1)
    {
        const Particle& part = Sim->particles[ID];
        double mass = Sim->species[part]->getMass(ID);

        if (part.testState(Particle::DYNAMIC))
            accel1sum += mass;

        mass1 += mass;
    }
    accel1sum /= mass1;

    double accel2sum = 0;
    double mass2 = 0;
    BOOST_FOREACH(const size_t ID, p2)
    {
        const Particle& part = Sim->particles[ID];
        double mass = Sim->species[part]->getMass(ID);

        if (part.testState(Particle::DYNAMIC))
            accel2sum += mass;

        mass2 += mass;
    }
    accel2sum /= mass2;

    std::pair<Vector, Vector> r1data = getCOMPosVel(p1);
    std::pair<Vector, Vector> r2data = getCOMPosVel(p2);
    Vector r12 = r1data.first - r2data.first;
    Vector v12 = r1data.second - r2data.second;
    Vector a12 = g * (accel1sum - accel2sum);
    Sim->BCs->applyBC(r12, v12);
    return magnet::intersection::parabola_sphere_bfc(r12, v12, a12, d);
}