120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Wild Magic Source Code
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// David Eberly
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// http://www.geometrictools.com
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// Copyright (c) 1998-2007
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or (at
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// your option) any later version. The license is available for reading at
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// either of the locations:
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// http://www.gnu.org/copyleft/lgpl.html
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// http://www.geometrictools.com/License/WildMagicLicense.pdf
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// The license applies to versions 0 through 4 of Wild Magic.
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//
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// Version: 4.0.0 (2006/06/28)
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#ifndef WM4BOX3_H
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#define WM4BOX3_H
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#include "Wm4FoundationLIB.h"
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#include "Wm4Vector3.h"
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namespace Wm4
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{
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template <class Real>
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class Box3
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{
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public:
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// A box has center C, axis directions U[0], U[1], and U[2] (all
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// unit-length vectors), and extents e[0], e[1], and e[2] (all nonnegative
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// numbers). A point X = C+y[0]*U[0]+y[1]*U[1]+y[2]*U[2] is inside or
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// on the box whenever |y[i]| <= e[i] for all i.
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// construction
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Box3 (); // uninitialized
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Box3 (const Vector3<Real>& rkCenter, const Vector3<Real>* akAxis,
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const Real* afExtent);
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Box3 (const Vector3<Real>& rkCenter, const Vector3<Real>& rkAxis0,
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const Vector3<Real>& rkAxis1, const Vector3<Real>& rkAxis2,
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Real fExtent0, Real fExtent1, Real fExtent2);
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void ComputeVertices (Vector3<Real> akVertex[8]) const;
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Vector3<Real> Center;
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Vector3<Real> Axis[3]; // must be an orthonormal set of vectors
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Real Extent[3]; // must be nonnegative
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};
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} //namespace Wm4
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#include "Wm4Box3.inl"
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namespace Wm4
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{
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typedef Box3<float> Box3f;
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typedef Box3<double> Box3d;
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}
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#endif
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