update bundled_deps

bundled_deps/libigl/igl/embree/unproject_onto_mesh.cpp

@@ -0,0 +1,59 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@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 "unproject_onto_mesh.h"
+#include "EmbreeIntersector.h"
+#include "../unproject_onto_mesh.h"
+#include <vector>
+
+IGL_INLINE bool igl::embree::unproject_onto_mesh(
+  const Eigen::Vector2f& pos,
+  const Eigen::MatrixXi& F,
+  const Eigen::Matrix4f& model,
+  const Eigen::Matrix4f& proj,
+  const Eigen::Vector4f& viewport,
+  const EmbreeIntersector & ei,
+  int& fid,
+  Eigen::Vector3f& bc)
+{
+  using namespace std;
+  using namespace Eigen;
+  const auto & shoot_ray = [&ei](
+    const Eigen::Vector3f& s,
+    const Eigen::Vector3f& dir,
+    igl::Hit & hit)->bool
+  {
+    return ei.intersectRay(s,dir,hit);
+  };
+  return igl::unproject_onto_mesh(pos,model,proj,viewport,shoot_ray,fid,bc);
+}
+
+IGL_INLINE bool igl::embree::unproject_onto_mesh(
+  const Eigen::Vector2f& pos,
+  const Eigen::MatrixXi& F,
+  const Eigen::Matrix4f& model,
+  const Eigen::Matrix4f& proj,
+  const Eigen::Vector4f& viewport,
+  const EmbreeIntersector & ei,
+  int& fid,
+  int& vid)
+{
+  Eigen::Vector3f bc;
+  if(!igl::embree::unproject_onto_mesh(pos,F,model,proj,viewport,ei,fid,bc))
+  {
+    return false;
+  }
+  int i;
+  bc.maxCoeff(&i);
+  vid = F(fid,i);
+  return true;
+}
+
+
+#ifdef IGL_STATIC_LIBRARY
+// Explicit template instantiation
+#endif