39 lines
1.2 KiB
C
39 lines
1.2 KiB
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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#ifndef IGL_SWEPT_VOLUME_BOUNDING_BOX_H
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#define IGL_SWEPT_VOLUME_BOUNDING_BOX_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <Eigen/Geometry>
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#include <functional>
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namespace igl
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{
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// Construct an axis-aligned bounding box containing a shape undergoing a
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// motion sampled at `steps` discrete momements.
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//
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// Inputs:
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// n number of mesh vertices
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// V function handle so that V(i,t) returns the 3d position of vertex
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// i at time t, for t∈[0,1]
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// steps number of time steps: steps=3 --> t∈{0,0.5,1}
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// Outputs:
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// box box containing mesh under motion
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IGL_INLINE void swept_volume_bounding_box(
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const size_t & n,
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const std::function<
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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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#ifndef IGL_STATIC_LIBRARY
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# include "swept_volume_bounding_box.cpp"
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#endif
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#endif
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