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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2012/07/07)
#ifndef VERTEXCOLLAPSE_H
#define VERTEXCOLLAPSE_H
#include "Wm5MinHeap.h"
#include "Wm5Vector3.h"
using namespace Wm5;
class VertexCollapse
{
public:
// Construction and destruction.
VertexCollapse (int numVertices, Vector3f*& vertices, bool closed,
int*& indexMap, int& numEdges, int*& edges);
~VertexCollapse ();
protected:
// Weight calculation for vertex triple <V[m],V[z],V[p]>.
float GetWeight (int m, int z, int p, Vector3f* vertices);
// Create data structures for the polyline.
void CollapseVertices (int numVertices, int* collapses);
void ComputeEdges (int numVertices, bool closed, int* collapses,
int* indexMap, int numEdges, int* edges);
void ReorderVertices (int numVertices, Vector3f*& vertices,
int* collapses, int numEdges, int* edges);
// The heap of edge weights.
MinHeap<int, float>* mHeap;
};
#endif
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