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