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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: 5.0.0 (2010/01/01)
#ifndef POLYGONDISTANCE_H
#define POLYGONDISTANCE_H
#include "Wm5WindowApplication2.h"
using namespace Wm5;
class PolygonDistance : public WindowApplication2
{
WM5_DECLARE_INITIALIZE;
WM5_DECLARE_TERMINATE;
public:
PolygonDistance ();
virtual bool OnInitialize ();
virtual void OnTerminate ();
virtual void OnDisplay ();
virtual bool OnKeyDown (unsigned char key, int x, int y);
protected:
void InitialConfiguration ();
void NextConfiguration ();
void GetPolarRepresentation (int numVertices, const Vector2f* vertices,
Vector2f& centroid, Vector2f* polars);
void GetCartesianRepresentation (int numVertices, Vector2f* vertices,
const Vector2f& centroid, const Vector2f* polars);
void RotatePolygon (int numVertices, int sign, Vector2f* polars);
void ComputePerpendiculars (int numVertices, const Vector2f* vertices,
const Vector2f& closest, Vector2f end[2]);
void DrawLineSegment (int thick, ColorRGB color, const Vector2f& end0,
const Vector2f& end1);
void DrawPerpendiculars (const Vector2f end[2]);
void DrawPoints (int thick, ColorRGB color, const Vector2f& point);
class Polygon
{
public:
int NumVertices;
int Sign;
Vector2f* Vertices;
Vector2f Centroid;
Vector2f* Polars;
Tuple<2,int>* Faces;
};
enum { NUM_POLYGONS = 3 };
Polygon mPolygons[NUM_POLYGONS];
int mSize;
bool mDrawPerpendiculars;
};
WM5_REGISTER_INITIALIZE(PolygonDistance);
WM5_REGISTER_TERMINATE(PolygonDistance);
#endif
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