update bundled_deps

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

@@ -0,0 +1,67 @@
+#ifndef IGL_COPYLEFT_CGAL_WIRE_MESH_H
+#define IGL_COPYLEFT_CGAL_WIRE_MESH_H
+#include "../../igl_inline.h"
+#include <Eigen/Core>
+namespace igl
+{
+  namespace copyleft
+  {
+    namespace cgal
+    {
+      // Construct a "wire" or "wireframe" or "strut" surface mesh, given a
+      // one-dimensional network of straight edges.
+      //
+      // Inputs:
+      //   WV  #WV by 3 list of vertex positions
+      //   WE  #WE by 2 list of edge indices into WV
+      //   th  diameter thickness of wire 
+      //   poly_size  number of sides on each wire (e.g., 4 would produce wires by
+      //     connecting rectangular prisms).
+      //   solid  whether to resolve self-intersections to
+      //     create a "solid" output mesh (cf., [Zhou et al. 2016]
+      // Outputs:
+      //   V  #V by 3 list of output vertices
+      //   F  #F by 3 list of output triangle indices into V
+      //   J  #F list of indices into [0,#WV+#WE) revealing "birth simplex" of
+      //     output faces J(j) < #WV means the face corresponds to the J(j)th
+      //     vertex in WV. J(j) >= #WV means the face corresponds to the
+      //     (J(j)-#WV)th edge in WE.
+      template <
+        typename DerivedWV,
+        typename DerivedWE,
+        typename DerivedV,
+        typename DerivedF,
+        typename DerivedJ>
+      IGL_INLINE void wire_mesh(
+        const Eigen::MatrixBase<DerivedWV> & WV,
+        const Eigen::MatrixBase<DerivedWE> & WE,
+        const double th,
+        const int poly_size,
+        const bool solid,
+        Eigen::PlainObjectBase<DerivedV> & V,
+        Eigen::PlainObjectBase<DerivedF> & F,
+        Eigen::PlainObjectBase<DerivedJ> & J);
+      // Default with solid=true
+      template <
+        typename DerivedWV,
+        typename DerivedWE,
+        typename DerivedV,
+        typename DerivedF,
+        typename DerivedJ>
+      IGL_INLINE void wire_mesh(
+        const Eigen::MatrixBase<DerivedWV> & WV,
+        const Eigen::MatrixBase<DerivedWE> & WE,
+        const double th,
+        const int poly_size,
+        Eigen::PlainObjectBase<DerivedV> & V,
+        Eigen::PlainObjectBase<DerivedF> & F,
+        Eigen::PlainObjectBase<DerivedJ> & J);
+
+    }
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "wire_mesh.cpp"
+#endif
+#endif