Refactored cgal_nef3_to_polyset() to cgal wrapper class

1 files changed, 43 insertions, 0 deletions

diff --git a/src/cgal.cc b/src/cgal.cc
new file mode 100644
index 0000000..ad33a3e
--- /dev/null
+++ b/src/cgal.cc
@@ -0,0 +1,43 @@
+#include "cgal.h"
+#include "polyset.h"
+
+/*!
+	Creates a new PolySet and initializes it with the data from this polyhedron
+*/
+PolySet *CGAL_Nef_polyhedron::convertToPolyset() const
+{
+	PolySet *ps = new PolySet();
+	CGAL_Polyhedron P;
+	this->p3.convert_to_Polyhedron(P);
+
+	typedef CGAL_Polyhedron::Vertex                                 Vertex;
+	typedef CGAL_Polyhedron::Vertex_const_iterator                  VCI;
+	typedef CGAL_Polyhedron::Facet_const_iterator                   FCI;
+	typedef CGAL_Polyhedron::Halfedge_around_facet_const_circulator HFCC;
+
+	for (FCI fi = P.facets_begin(); fi != P.facets_end(); ++fi) {
+		HFCC hc = fi->facet_begin();
+		HFCC hc_end = hc;
+		Vertex v1, v2, v3;
+		v1 = *VCI((hc++)->vertex());
+		v3 = *VCI((hc++)->vertex());
+		do {
+			v2 = v3;
+			v3 = *VCI((hc++)->vertex());
+			double x1 = CGAL::to_double(v1.point().x());
+			double y1 = CGAL::to_double(v1.point().y());
+			double z1 = CGAL::to_double(v1.point().z());
+			double x2 = CGAL::to_double(v2.point().x());
+			double y2 = CGAL::to_double(v2.point().y());
+			double z2 = CGAL::to_double(v2.point().z());
+			double x3 = CGAL::to_double(v3.point().x());
+			double y3 = CGAL::to_double(v3.point().y());
+			double z3 = CGAL::to_double(v3.point().z());
+			ps->append_poly();
+			ps->append_vertex(x1, y1, z1);
+			ps->append_vertex(x2, y2, z2);
+			ps->append_vertex(x3, y3, z3);
+		} while (hc != hc_end);
+	}
+	return ps;
+}