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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
97 lines
4.7 KiB
C++
97 lines
4.7 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 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 "unproject_in_mesh.h"
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#include "unproject_ray.h"
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#include "ray_mesh_intersect.h"
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template < typename Derivedobj>
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IGL_INLINE int igl::unproject_in_mesh(
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const Eigen::Vector2f& pos,
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const Eigen::Matrix4f& model,
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const Eigen::Matrix4f& proj,
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const Eigen::Vector4f& viewport,
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const std::function<
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void(
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const Eigen::Vector3f&,
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const Eigen::Vector3f&,
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std::vector<igl::Hit> &)
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> & shoot_ray,
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Eigen::PlainObjectBase<Derivedobj> & obj,
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std::vector<igl::Hit > & hits)
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{
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using namespace std;
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using namespace Eigen;
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Vector3f s,dir;
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unproject_ray(pos,model,proj,viewport,s,dir);
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shoot_ray(s,dir,hits);
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switch(hits.size())
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{
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case 0:
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break;
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case 1:
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{
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obj = (s + dir*hits[0].t).cast<typename Derivedobj::Scalar>();
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break;
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}
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case 2:
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default:
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{
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obj = 0.5*((s + dir*hits[0].t) + (s + dir*hits[1].t)).cast<typename Derivedobj::Scalar>();
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break;
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}
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}
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return hits.size();
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}
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extern "C"
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{
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#include "raytri.c"
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}
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template < typename DerivedV, typename DerivedF, typename Derivedobj>
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IGL_INLINE int igl::unproject_in_mesh(
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const Eigen::Vector2f& pos,
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const Eigen::Matrix4f& model,
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const Eigen::Matrix4f& proj,
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const Eigen::Vector4f& viewport,
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<Derivedobj> & obj,
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std::vector<igl::Hit > & hits)
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{
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using namespace std;
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using namespace Eigen;
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const auto & shoot_ray = [&V,&F](
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const Eigen::Vector3f& s,
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const Eigen::Vector3f& dir,
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std::vector<igl::Hit> & hits)
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{
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ray_mesh_intersect(s,dir,V,F,hits);
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};
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return unproject_in_mesh(pos,model,proj,viewport,shoot_ray,obj,hits);
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}
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template < typename DerivedV, typename DerivedF, typename Derivedobj>
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IGL_INLINE int igl::unproject_in_mesh(
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const Eigen::Vector2f& pos,
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const Eigen::Matrix4f& model,
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const Eigen::Matrix4f& proj,
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const Eigen::Vector4f& viewport,
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<Derivedobj> & obj)
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{
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std::vector<igl::Hit> hits;
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return unproject_in_mesh(pos,model,proj,viewport,V,F,obj,hits);
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}
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#ifdef IGL_STATIC_LIBRARY
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template int igl::unproject_in_mesh<Eigen::Matrix<double, 1, 3, 1, 1, 3> >(Eigen::Matrix<float, 2, 1, 0, 2, 1> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 1, 0, 4, 1> const&, std::function<void (Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&)> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> >&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
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template int igl::unproject_in_mesh<Eigen::Matrix<double, 3, 1, 0, 3, 1> >(Eigen::Matrix<float, 2, 1, 0, 2, 1> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 1, 0, 4, 1> const&, std::function<void (Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&)> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, 3, 1, 0, 3, 1> >&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
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template int igl::unproject_in_mesh<Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::Matrix<float, 2, 1, 0, 2, 1> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 1, 0, 4, 1> const&, std::function<void (Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, Eigen::Matrix<float, 3, 1, 0, 3, 1> const&, std::vector<igl::Hit, std::allocator<igl::Hit> >&)> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, std::vector<igl::Hit, std::allocator<igl::Hit> >&);
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template int igl::unproject_in_mesh<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, 3, 1, 0, 3, 1> >(Eigen::Matrix<float, 2, 1, 0, 2, 1> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 4, 0, 4, 4> const&, Eigen::Matrix<float, 4, 1, 0, 4, 1> const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, 3, 1, 0, 3, 1> >&);
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#endif
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