C++ (Cpp) Face::AdoptEdgeLoop 예제들

예제 #1

EdgeMesh::Face* EdgeMesh::Face::DissolveEdge(Edge& edge, std::vector<Polygon>* newHoles)
{
	assert(edge.twin);
	assert(edge.face == this);

	Face* otherFace = edge.twin->face == this ? nullptr : edge.twin->face;

	assert(IsValid());
	
	if (otherFace)
	{
		assert(otherFace->IsValid());
		AdoptEdgeLoop(*edge.twin);
	}

	Edge& oldPrev = *edge.prev;
	Edge& newNext = *edge.twin->next;

	Edge& newPrev = *edge.twin->prev;
	Edge& oldNext = *edge.next;

	oldPrev.ConnectTo(newNext);
	newPrev.ConnectTo(oldNext);

	m_edges.erase(FindEdge(*edge.twin));
	m_edges.erase(FindEdge(edge));

	if (!otherFace)
	{
		assert(newHoles);
		if (newHoles)
		{
			Face hole;
			hole.AdoptEdgeLoop(newPrev);

			if (hole.GetPolygon().IsCW()) // Got the wrong bit!
				swap(*this, hole);
			Polygon holePoly = hole.GetPolygon();
			holePoly.MakeCW();
			newHoles->push_back(holePoly);
		}
	}


	assert(IsValid());

	return otherFace;
}