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/*
* SOLID - Software Library for Interference Detection
*
* Copyright (C) 2001-2003 Dtecta. All rights reserved.
*
* This library may be distributed under the terms of the Q Public License
* (QPL) as defined by Trolltech AS of Norway and appearing in the file
* LICENSE.QPL included in the packaging of this file.
*
* This library may be distributed and/or modified under the terms of the
* GNU General Public License (GPL) version 2 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in the
* packaging of this file.
*
* This library is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Commercial use or any other use of this library not covered by either
* the QPL or the GPL requires an additional license from Dtecta.
* Please contact info@dtecta.com for enquiries about the terms of commercial
* use of this library.
*/
#ifndef DT_BOX_H
#define DT_BOX_H
#include "DT_Convex.h"
class DT_Box : public DT_Convex {
public:
DT_Box(MT_Scalar x, MT_Scalar y, MT_Scalar z) :
m_extent(x, y, z)
{}
DT_Box(const MT_Vector3& e) :
m_extent(e)
{}
virtual MT_Scalar supportH(const MT_Vector3& v) const;
virtual MT_Point3 support(const MT_Vector3& v) const;
virtual bool ray_cast(const MT_Point3& source, const MT_Point3& target,
MT_Scalar& param, MT_Vector3& normal) const;
const MT_Vector3& getExtent() const { return m_extent; }
protected:
typedef unsigned int T_Outcode;
T_Outcode outcode(const MT_Point3& p) const
{
return (p[0] < -m_extent[0] ? 0x01 : 0x0) |
(p[0] > m_extent[0] ? 0x02 : 0x0) |
(p[1] < -m_extent[1] ? 0x04 : 0x0) |
(p[1] > m_extent[1] ? 0x08 : 0x0) |
(p[2] < -m_extent[2] ? 0x10 : 0x0) |
(p[2] > m_extent[2] ? 0x20 : 0x0);
}
MT_Vector3 m_extent;
};
#endif
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