OgrePlane.h

Go to the documentation of this file.

/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2012 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
// This file is based on material originally from:
// Geometric Tools, LLC
// Copyright (c) 1998-2010
// 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


#ifndef __Plane_H__
#define __Plane_H__

#include "OgrePrerequisites.h"

#include "OgreVector3.h"

namespace Ogre {

    class _OgreExport Plane
    {
    public:
        Plane ();
        Plane (const Plane& rhs);
        Plane (const Vector3& rkNormal, Real fConstant);
        Plane (Real a, Real b, Real c, Real d);
        Plane (const Vector3& rkNormal, const Vector3& rkPoint);
        Plane (const Vector3& rkPoint0, const Vector3& rkPoint1,
            const Vector3& rkPoint2);

        enum Side
        {
            NO_SIDE,
            POSITIVE_SIDE,
            NEGATIVE_SIDE,
            BOTH_SIDE
        };

        Side getSide (const Vector3& rkPoint) const;

        Side getSide (const AxisAlignedBox& rkBox) const;

        Side getSide (const Vector3& centre, const Vector3& halfSize) const;

        Real getDistance (const Vector3& rkPoint) const;

        void redefine(const Vector3& rkPoint0, const Vector3& rkPoint1,
            const Vector3& rkPoint2);

        void redefine(const Vector3& rkNormal, const Vector3& rkPoint);

        Vector3 projectVector(const Vector3& v) const;

        Real normalise(void);

        Vector3 normal;
        Real d;

        bool operator==(const Plane& rhs) const
        {
            return (rhs.d == d && rhs.normal == normal);
        }
        bool operator!=(const Plane& rhs) const
        {
            return (rhs.d != d || rhs.normal != normal);
        }

        _OgreExport friend std::ostream& operator<< (std::ostream& o, const Plane& p);
    };

    typedef vector<Plane>::type PlaneList;
} // namespace Ogre

#endif