120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// Wild Magic Source Code
|
|
// David Eberly
|
|
// http://www.geometrictools.com
|
|
// Copyright (c) 1998-2007
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation; either version 2.1 of the License, or (at
|
|
// your option) any later version. The license is available for reading at
|
|
// either of the locations:
|
|
// http://www.gnu.org/copyleft/lgpl.html
|
|
// http://www.geometrictools.com/License/WildMagicLicense.pdf
|
|
// The license applies to versions 0 through 4 of Wild Magic.
|
|
//
|
|
// Version: 4.0.0 (2006/06/28)
|
|
|
|
#ifndef WM4QUERY3_H
|
|
#define WM4QUERY3_H
|
|
|
|
#include "Wm4FoundationLIB.h"
|
|
#include "Wm4Query.h"
|
|
#include "Wm4Vector3.h"
|
|
|
|
namespace Wm4
|
|
{
|
|
|
|
template <class Real>
|
|
class Query3 : public Query
|
|
{
|
|
public:
|
|
// The base class handles floating-point queries.
|
|
Query3 (int iVQuantity, const Vector3<Real>* akVertex);
|
|
virtual ~Query3 ();
|
|
|
|
// run-time type information
|
|
virtual Query::Type GetType () const;
|
|
|
|
// member access
|
|
int GetQuantity () const;
|
|
const Vector3<Real>* GetVertices () const;
|
|
|
|
// Queries about the relation of a point to various geometric objects.
|
|
|
|
// returns
|
|
// +1, on positive side of plane
|
|
// -1, on negative side of line
|
|
// 0, on the plane
|
|
virtual int ToPlane (int i, int iV0, int iV1, int iV2) const;
|
|
virtual int ToPlane (const Vector3<Real>& rkP, int iV0, int iV1, int iV2)
|
|
const;
|
|
|
|
// returns
|
|
// +1, outside tetrahedron
|
|
// -1, inside tetrahedron
|
|
// 0, on tetrahedron
|
|
virtual int ToTetrahedron (int i, int iV0, int iV1, int iV2, int iV3)
|
|
const;
|
|
virtual int ToTetrahedron (const Vector3<Real>& rkP, int iV0, int iV1,
|
|
int iV2, int iV3) const;
|
|
|
|
// returns
|
|
// +1, outside circumsphere of tetrahedron
|
|
// -1, inside circumsphere of tetrahedron
|
|
// 0, on circumsphere of tetrahedron
|
|
virtual int ToCircumsphere (int i, int iV0, int iV1, int iV2, int iV3)
|
|
const;
|
|
virtual int ToCircumsphere (const Vector3<Real>& rkP, int iV0, int iV1,
|
|
int iV2, int iV3) const;
|
|
|
|
protected:
|
|
// input points
|
|
int m_iVQuantity;
|
|
const Vector3<Real>* m_akVertex;
|
|
|
|
static Real Dot (Real fX0, Real fY0, Real fZ0, Real fX1, Real fY1,
|
|
Real fZ1);
|
|
|
|
static Real Det3 (Real fX0, Real fY0, Real fZ0, Real fX1, Real fY1,
|
|
Real fZ1, Real fX2, Real fY2, Real fZ2);
|
|
|
|
static Real Det4 (Real fX0, Real fY0, Real fZ0, Real fW0, Real fX1,
|
|
Real fY1, Real fZ1, Real fW1, Real fX2, Real fY2, Real fZ2, Real fW2,
|
|
Real fX3, Real fY3, Real fZ3, Real fW3);
|
|
};
|
|
|
|
}
|
|
|
|
#include "Wm4Query3.inl"
|
|
|
|
namespace Wm4
|
|
{
|
|
typedef Query3<float> Query3f;
|
|
typedef Query3<double> Query3d;
|
|
|
|
}
|
|
|
|
#endif
|