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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 | // 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 WM5BOX2_H
#define WM5BOX2_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Vector2.h"
namespace Wm5
{
template <typename Real>
class Box2
{
public:
// A box has center C, axis directions U[0] and U[1] (perpendicular and
// unit-length vectors), and extents e[0] and e[1] (nonnegative numbers).
// A/ point X = C+y[0]*U[0]+y[1]*U[1] is inside or on the box whenever
// |y[i]| <= e[i] for all i.
// Construction and destruction.
Box2 (); // uninitialized
~Box2 ();
Box2 (const Vector2<Real>& center, const Vector2<Real> axis[2],
const Real extent[2]);
Box2 (const Vector2<Real>& center, const Vector2<Real>& axis0,
const Vector2<Real>& axis1, const Real extent0, const Real extent1);
void ComputeVertices (Vector2<Real> vertex[4]) const;
Vector2<Real> Center;
Vector2<Real> Axis[2];
Real Extent[2];
};
#include "Wm5Box2.inl"
typedef Box2<float> Box2f;
typedef Box2<double> Box2d;
}
#endif
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