update bundled_deps

bundled_deps/libigl/igl/project_isometrically_to_plane.h

@@ -0,0 +1,48 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2014 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/.
+#ifndef IGL_PROJECT_ISOMETRICALLY_TO_PLANE_H
+#define IGL_PROJECT_ISOMETRICALLY_TO_PLANE_H
+#include "igl_inline.h"
+
+#include <Eigen/Dense>
+#include <Eigen/Sparse>
+
+namespace igl 
+{
+  // Project each triangle to the plane
+  //
+  // [U,UF,I] = project_isometrically_to_plane(V,F)
+  //
+  // Inputs:
+  //   V  #V by 3 list of vertex positions
+  //   F  #F by 3 list of mesh indices
+  // Outputs:
+  //   U  #F*3 by 2 list of triangle positions
+  //   UF  #F by 3 list of mesh indices into U
+  //   I  #V by #F such that I(i,j) = 1 implies U(j,:) corresponds to V(i,:)
+  //
+  template <
+    typename DerivedV, 
+    typename DerivedF,
+    typename DerivedU,
+    typename DerivedUF,
+    typename Scalar>
+  IGL_INLINE void project_isometrically_to_plane(
+    const Eigen::PlainObjectBase<DerivedV> & V, 
+    const Eigen::PlainObjectBase<DerivedF> & F, 
+    Eigen::PlainObjectBase<DerivedU> & U,
+    Eigen::PlainObjectBase<DerivedUF> & UF, 
+    Eigen::SparseMatrix<Scalar>& I);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "project_isometrically_to_plane.cpp"
+#endif
+
+#endif
+