update bundled_deps

bundled_deps/libigl/igl/copyleft/cgal/projected_cdt.h

@@ -0,0 +1,61 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2016 Alec Jacobson
+//
+// 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_COPYLEFT_CGAL_PROJECTED_CDT_H
+#define IGL_COPYLEFT_CGAL_PROJECTED_CDT_H
+#include "../../igl_inline.h"
+#include <Eigen/Core>
+#include <CGAL/Plane_3.h>
+#include <CGAL/Point_3.h>
+#include <CGAL/Object.h>
+#include <vector>
+namespace igl
+{
+  namespace copyleft
+  {
+    namespace cgal
+    {
+      // Given a list of objects (e.g., resulting from intersecting a triangle
+      // with many other triangles), construct a constrained Delaunay
+      // triangulation on a given plane (P), by inersting constraints for each
+      // object projected onto that plane.
+      //
+      // Inputs:
+      //   objects  list of objects. This should lie on the given plane (P),
+      //     otherwise they are added to the cdt _after_ their non-trivial
+      //     projection
+      //   P  plane upon which all objects lie and upon which the CDT is
+      //     conducted
+      // Outputs:
+      //   vertices  list of vertices of the CDT mesh _back on the 3D plane_
+      //   faces  list of list of triangle indices into vertices
+      //
+      template <typename Kernel, typename Index>
+      IGL_INLINE void projected_cdt(
+        const std::vector<CGAL::Object> & objects,
+        const CGAL::Plane_3<Kernel> & P,
+        std::vector<CGAL::Point_3<Kernel> >& vertices,
+        std::vector<std::vector<Index> >& faces);
+      // Outputs:
+      //   V  #V by 3 list of vertices of the CDT mesh _back on the 3D plane_,
+      //     **cast** from the number type of Kernel to the number type of
+      //     DerivedV
+      //   F  #F by 3 list of triangle indices into V
+      template < typename Kernel, typename DerivedV, typename DerivedF>
+      IGL_INLINE void projected_cdt(
+        const std::vector<CGAL::Object> & objects,
+        const CGAL::Plane_3<Kernel> & P,
+        Eigen::PlainObjectBase<DerivedV> & V,
+        Eigen::PlainObjectBase<DerivedF> & F);
+    }
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "projected_cdt.cpp"
+#endif
+#endif