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update bundled_deps

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QIDI TECH
2024-11-09 14:05:44 +08:00
parent 17c9bfd127
commit cfc606fea9
1662 changed files with 710 additions and 168 deletions
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52
bundled_deps/libigl/igl/cylinder.cpp Normal file
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// 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 "cylinder.h"
#include "PI.h"
#include <cassert>
#include <cmath>
template <typename DerivedV, typename DerivedF>
IGL_INLINE void igl::cylinder(
const int axis_devisions,
const int height_devisions,
Eigen::PlainObjectBase<DerivedV> & V,
Eigen::PlainObjectBase<DerivedF> & F)
{
V.resize(axis_devisions*height_devisions,3);
F.resize(2*(axis_devisions*(height_devisions-1)),3);
int f = 0;
typedef typename DerivedV::Scalar Scalar;
for(int th = 0;th<axis_devisions;th++)
{
Scalar x = cos(2.*igl::PI*Scalar(th)/Scalar(axis_devisions));
Scalar y = sin(2.*igl::PI*Scalar(th)/Scalar(axis_devisions));
for(int h = 0;h<height_devisions;h++)
{
Scalar z = Scalar(h)/Scalar(height_devisions-1);
V(th+h*axis_devisions,0) = x;
V(th+h*axis_devisions,1) = y;
V(th+h*axis_devisions,2) = z;
if(h > 0)
{
F(f,0) = ((th+0)%axis_devisions)+(h-1)*axis_devisions;
F(f,1) = ((th+1)%axis_devisions)+(h-1)*axis_devisions;
F(f,2) = ((th+0)%axis_devisions)+(h+0)*axis_devisions;
f++;
F(f,0) = ((th+1)%axis_devisions)+(h-1)*axis_devisions;
F(f,1) = ((th+1)%axis_devisions)+(h+0)*axis_devisions;
F(f,2) = ((th+0)%axis_devisions)+(h+0)*axis_devisions;
f++;
}
}
}
assert(f == F.rows());
}
#ifdef IGL_STATIC_LIBRARY
template void igl::cylinder<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(int, int, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
#endif