File size: 1,862 Bytes
985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | // SPDX-License-Identifier: LGPL-2.1-or-later
// 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 WM4BOX3_H
#define WM4BOX3_H
#include "Wm4FoundationLIB.h"
#include "Wm4Vector3.h"
namespace Wm4
{
template <class Real>
class Box3
{
public:
// A box has center C, axis directions U[0], U[1], and U[2] (all
// unit-length vectors), and extents e[0], e[1], and e[2] (all nonnegative
// numbers). A point X = C+y[0]*U[0]+y[1]*U[1]+y[2]*U[2] is inside or
// on the box whenever |y[i]| <= e[i] for all i.
// construction
Box3 (); // uninitialized
Box3 (const Vector3<Real>& rkCenter, const Vector3<Real>* akAxis,
const Real* afExtent);
Box3 (const Vector3<Real>& rkCenter, const Vector3<Real>& rkAxis0,
const Vector3<Real>& rkAxis1, const Vector3<Real>& rkAxis2,
Real fExtent0, Real fExtent1, Real fExtent2);
void ComputeVertices (Vector3<Real> akVertex[8]) const;
Vector3<Real> Center;
Vector3<Real> Axis[3]; // must be an orthonormal set of vectors
Real Extent[3]; // must be nonnegative
};
} //namespace Wm4
#include "Wm4Box3.inl"
namespace Wm4
{
typedef Box3<float> Box3f;
typedef Box3<double> Box3d;
}
#endif
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