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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 | // 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 WM5RECTANGLE3_H
#define WM5RECTANGLE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Vector3.h"
namespace Wm5
{
template <typename Real>
class Rectangle3
{
public:
// Points are R(s,t) = C+s0*U0+s1*U1, where C is the center of the
// rectangle, U0 and U1 are unit-length and perpendicular axes. The
// parameters s0 and s1 are constrained by |s0| <= e0 and |s1| <= e1,
// where e0 > 0 and e1 > 0 are called the extents of the rectangle.
// Construction and destruction.
Rectangle3 (); // uninitialized
~Rectangle3 ();
Rectangle3 (const Vector3<Real>& center, const Vector3<Real> axis[2],
const Real extent[2]);
Rectangle3 (const Vector3<Real>& center, const Vector3<Real>& axis0,
const Vector3<Real>& axis1, Real extent0, Real extent1);
void ComputeVertices (Vector3<Real> vertex[4]) const;
// Get the rectangle corners.
Vector3<Real> GetPPCorner () const; // C + e0*A0 + e1*A1
Vector3<Real> GetPMCorner () const; // C + e0*A0 - e1*A1
Vector3<Real> GetMPCorner () const; // C - e0*A0 + e1*A1
Vector3<Real> GetMMCorner () const; // C - e0*A0 - e1*A1
Vector3<Real> Center;
Vector3<Real> Axis[2];
Real Extent[2];
};
#include "Wm5Rectangle3.inl"
typedef Rectangle3<float> Rectangle3f;
typedef Rectangle3<double> Rectangle3d;
}
#endif
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