void getTrackInfo() {
// Get track length
TVector3 fit_position(m_fit[m_track->iTrack].pars[0], m_fit[m_track->iTrack].pars[1], m_fit[m_track->iTrack].pars[2]);
TVector3 unit_direction (TMath::Sin(m_fit[m_track->iTrack].pars[3])*TMath::Cos(m_fit[m_track->iTrack].pars[4]), TMath::Sin(m_fit[m_track->iTrack].pars[3])*TMath::Sin(m_fit[m_track->iTrack].pars[4]), TMath::Cos(m_fit[m_track->iTrack].pars[3]));
float t_const = -1e-10;
float x_point = fit_position.x() + t_const * unit_direction.x();
float y_point = fit_position.y() + t_const * unit_direction.y();
float z_point = fit_position.z() + t_const * unit_direction.z();
TVector3 initial_position(x_point, y_point, z_point);
float min_distance = 1e+30;
float max_distance = -1e+30;
float distance = 0.0;
for (unsigned int iPoint = 0; iPoint < m_fit[m_track->iTrack].npoints; iPoint++){
TVector3 position (m_track->x[iPoint], m_track->y[iPoint], m_track->z[iPoint]);
TVector3 position_vect = position - initial_position;
distance = unit_direction * position_vect;
if (distance < min_distance) min_distance = distance;
if (distance > max_distance) max_distance = distance;
}
m_fit[m_track->iTrack].length = max_distance - min_distance;
// Get impact parameters
// x=0 x=end y=0 y=end
float end_positions[4] = {0.0, 250.*80., 0.0, 50.*336.};
for (int iPos = 0; iPos < 4; iPos++){
t_const = 0.0;
if ( iPos < 2 ) t_const = (end_positions[iPos]-fit_position.X())/unit_direction.X();
else t_const = (end_positions[iPos]-fit_position.Y())/unit_direction.Y();
// it might need to change
if ( iPos < 2 ) m_fit[m_track->iTrack].impact_pars[iPos] = y_point;
else m_fit[m_track->iTrack].impact_pars[iPos] = x_point;
}
}
void Game::reset_playing()
{
playing = true;
board = initial_position();
current_color = WHITE;
}
