update bundled_deps

bundled_deps/libigl/igl/copyleft/offset_surface.h

@@ -0,0 +1,54 @@
+#ifndef IGL_COPYLEFT_OFFSET_SURFACE_H
+#define IGL_COPYLEFT_OFFSET_SURFACE_H
+#include "../igl_inline.h"
+#include "../signed_distance.h"
+#include <Eigen/Core>
+
+namespace igl
+{
+  namespace copyleft
+  {
+    // Compute a triangulated offset surface using matching cubes on a grid of
+    // signed distance values from the input triangle mesh.
+    //
+    // Inputs:
+    //   V  #V by 3 list of mesh vertex positions
+    //   F  #F by 3 list of mesh triangle indices into V
+    //   isolevel  iso level to extract (signed distance: negative inside)
+    //   s  number of grid cells along longest side (controls resolution)
+    //   signed_distance_type  type of signing to use (see
+    //     ../signed_distance.h)
+    // Outputs:
+    //   SV  #SV by 3 list of output surface mesh vertex positions
+    //   SF  #SF by 3 list of output mesh triangle indices into SV
+    //   GV  #GV=side(0)*side(1)*side(2) by 3 list of grid cell centers
+    //   side  list of number of grid cells in x, y, and z directions
+    //   S  #GV by 3 list of signed distance values _near_ `isolevel` ("far"
+    //     from `isolevel` these values are incorrect)
+    //
+    template <
+      typename DerivedV,
+      typename DerivedF,
+      typename isolevelType,
+      typename DerivedSV,
+      typename DerivedSF,
+      typename DerivedGV,
+      typename Derivedside,
+      typename DerivedS>
+    void offset_surface(
+      const Eigen::MatrixBase<DerivedV> & V,
+      const Eigen::MatrixBase<DerivedF> & F,
+      const isolevelType isolevel,
+      const typename Derivedside::Scalar s,
+      const SignedDistanceType & signed_distance_type,
+      Eigen::PlainObjectBase<DerivedSV> & SV,
+      Eigen::PlainObjectBase<DerivedSF> & SF,
+      Eigen::PlainObjectBase<DerivedGV> & GV,
+      Eigen::PlainObjectBase<Derivedside> & side,
+      Eigen::PlainObjectBase<DerivedS> & S);
+  }
+}
+#ifndef IGL_STATIC_LIBRARY
+#  include "offset_surface.cpp"
+#endif 
+#endif