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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 | // 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 WM5CIRCLE3_H
#define WM5CIRCLE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Vector3.h"
namespace Wm5
{
template <typename Real>
class Circle3
{
public:
// The plane containing the circle is Dot(N,X-C) = 0, where X is any point
// in the plane. Vectors U, V, and N form an orthonormal right-handed set
// (matrix [U V N] is orthonormal and has determinant 1). The circle
// within the plane is parameterized by X = C + R*(cos(t)*U + sin(t)*V),
// where t is an angle in [-pi,pi).
// Construction and destruction.
Circle3 (); // uninitialized
~Circle3 ();
// U is the input 'direction0', V is the input 'direction1, and N is the
// input 'normal'.
Circle3 (const Vector3<Real>& center, const Vector3<Real>& direction0,
const Vector3<Real>& direction1, const Vector3<Real>& normal,
const Real radius);
Vector3<Real> Center, Direction0, Direction1, Normal;
Real Radius;
};
#include "Wm5Circle3.inl"
typedef Circle3<float> Circle3f;
typedef Circle3<double> Circle3d;
}
#endif
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