text: // This file is part of libigl, a simple c++ geometry processing library.
  // 
  // Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
  // 
  // This Source Code Form is subject to the terms of the Mozilla Public License 
  // v. 2.0. If a copy of the MPL was not distributed with this file, You can 
  // obtain one at http://mozilla.org/MPL/2.0/.
  #include "swept_volume_bounding_box.h"
  #include "LinSpaced.h"
  
  IGL_INLINE void igl::swept_volume_bounding_box(
    const size_t & n,
    const std::function<Eigen::RowVector3d(const size_t vi, const double t)> & V,
    const size_t & steps,
    Eigen::AlignedBox3d & box)
  {
    using namespace Eigen;
    box.setEmpty();
    const VectorXd t = igl::LinSpaced<VectorXd >(steps,0,1);
    // Find extent over all time steps
    for(int ti = 0;ti<t.size();ti++)
    {
      for(size_t vi = 0;vi<n;vi++)
      {
        box.extend(V(vi,t(ti)).transpose());
      }
    }
  }
  