Ejemplos de Halfedge_around_facet_circulator::prev en C++ (Cpp)

Ejemplo n.º 1

Archivo: MergeCoplanarFacets.cpp Proyecto: cloudcalvin/ifc2citygml

bool triDoesNotIntersectFacet (Polyhedron::Halfedge_handle& heH, bool isOpposite) {

	Segment_3 checkSeg (heH->vertex()->point(),heH->prev()->prev()->vertex()->point());	
	Polyhedron::Halfedge_around_facet_circulator hafIt = heH->facet_begin()++;			// skip itself and first

	while (++hafIt != heH->prev()->facet_begin()) {
		if (CGAL::do_intersect(checkSeg,Segment_3(hafIt->vertex()->point(),hafIt->prev()->vertex()->point())))
			return false;
	} 
	if (!isOpposite)
		return triDoesNotIntersectFacet (heH->opposite(), true);
	else
		return true;
}