Added sample for cylinder clipping

apps/sample/trimesh_cylclip/trimesh_cylclip.cpp

@@ -0,0 +1,45 @@
+#include <math.h>
+#include <stdio.h>
+#include <vcg/complex/algorithms/update/color.h>
+#include <vcg/complex/algorithms/create/platonic.h>
+#include <wrap/io_trimesh/import_ply.h>
+#include <wrap/io_trimesh/export_ply.h>
+#include <vcg/complex/algorithms/cylinder_clipping.h>
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>   ::AsVertexType,
+                                        Use<MyEdge>     ::AsEdgeType,
+                                        Use<MyFace>     ::AsFaceType >{};
+
+class MyVertex : public Vertex<MyUsedTypes, vertex::Normal3f, vertex::Coord3f, vertex::BitFlags, vertex::Color4b >{};
+class MyFace   : public Face<MyUsedTypes, face::Mark, face::Normal3f, face::FFAdj, face::BitFlags, face::VertexRef, face::Color4b > {};
+class MyEdge   : public Edge<MyUsedTypes, edge::BitFlags>{};
+class MyMesh   : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
+
+int main()
+{
+    MyMesh m;
+    tri::Hexahedron(m);
+    tri::UpdateBounding<MyMesh>::Box(m);
+    tri::UpdateTopology<MyMesh>::FaceFace(m);    //for FFAdj
+    tri::UpdateNormal<MyMesh>::PerVertexNormalized(m);
+    tri::UpdateFlags<MyMesh>::Clear(m);
+
+    Point3f origin(0.8f,-0.4,0);
+    Point3f end= origin+Point3f(0,1,0);
+    float radius = 0.5f;
+    MyMesh cm;
+    tri::OrientedCylinder(cm,origin,end,radius,64,4);
+    tri::io::ExporterPLY<MyMesh>::Save(cm,"cyl.ply");
+
+    tri::CylinderClipping<MyMesh>::Apply(m,origin,end,radius);
+    tri::CylinderClipping<MyMesh>::Apply(m,origin,end,radius/2.0f);
+
+    tri::io::ExporterPLY<MyMesh>::Save(m,"cube.ply");
+    return 0;
+}

apps/sample/trimesh_cylclip/trimesh_cylclip.pro

@@ -0,0 +1,5 @@
+include(../common.pri)
+SOURCES += trimesh_cylclip.cpp ../../../wrap/ply/plylib.cpp
+
+HEADERS += \
+    cylinder_clip.h