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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtQuick3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBOX3D_H
#define QBOX3D_H
#include "qt3dglobal.h"
#include "qray3d.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3D)
class QMatrix4x4;
class Q_QT3D_EXPORT QBox3D
{
public:
QBox3D();
QBox3D(const QVector3D& corner1, const QVector3D& corner2);
bool isNull() const;
bool isFinite() const;
bool isInfinite() const;
QVector3D minimum() const;
QVector3D maximum() const;
void setExtents(const QVector3D& corner1, const QVector3D& corner2);
void setToNull();
void setToInfinite();
QVector3D size() const;
QVector3D center() const;
bool contains(const QVector3D& point) const;
bool contains(const QBox3D& box) const;
bool intersects(const QRay3D& ray) const;
bool intersection(const QRay3D &ray, qreal *minimum_t, qreal *maximum_t) const;
qreal intersection(const QRay3D& ray) const;
bool intersects(const QBox3D& box) const;
void intersect(const QBox3D& box);
QBox3D intersected(const QBox3D& box) const;
void unite(const QVector3D& point);
void unite(const QBox3D& box);
QBox3D united(const QVector3D& point) const;
QBox3D united(const QBox3D& box) const;
void transform(const QMatrix4x4& matrix);
QBox3D transformed(const QMatrix4x4& matrix) const;
bool operator==(const QBox3D& box) const;
bool operator!=(const QBox3D& box) const;
friend bool qFuzzyCompare(const QBox3D& box1, const QBox3D& box2);
private:
enum Type
{
Null,
Finite,
Infinite
};
QBox3D::Type boxtype;
QVector3D mincorner, maxcorner;
};
inline QBox3D::QBox3D() : boxtype(Null), mincorner(0, 0, 0), maxcorner(0, 0, 0) {}
inline QBox3D::QBox3D(const QVector3D& corner1, const QVector3D& corner2)
: boxtype(Finite),
mincorner(qMin(corner1.x(), corner2.x()),
qMin(corner1.y(), corner2.y()),
qMin(corner1.z(), corner2.z())),
maxcorner(qMax(corner1.x(), corner2.x()),
qMax(corner1.y(), corner2.y()),
qMax(corner1.z(), corner2.z())) {}
inline bool QBox3D::isNull() const { return (boxtype == Null); }
inline bool QBox3D::isFinite() const { return (boxtype == Finite); }
inline bool QBox3D::isInfinite() const { return (boxtype == Infinite); }
inline QVector3D QBox3D::minimum() const { return mincorner; }
inline QVector3D QBox3D::maximum() const { return maxcorner; }
inline void QBox3D::setExtents(const QVector3D& corner1, const QVector3D& corner2)
{
boxtype = Finite;
mincorner = QVector3D(qMin(corner1.x(), corner2.x()),
qMin(corner1.y(), corner2.y()),
qMin(corner1.z(), corner2.z()));
maxcorner = QVector3D(qMax(corner1.x(), corner2.x()),
qMax(corner1.y(), corner2.y()),
qMax(corner1.z(), corner2.z()));
}
inline void QBox3D::setToNull()
{
boxtype = Null;
mincorner = QVector3D(0, 0, 0);
maxcorner = QVector3D(0, 0, 0);
}
inline void QBox3D::setToInfinite()
{
boxtype = Infinite;
mincorner = QVector3D(0, 0, 0);
maxcorner = QVector3D(0, 0, 0);
}
inline QVector3D QBox3D::size() const { return maxcorner - mincorner; }
inline QVector3D QBox3D::center() const { return (mincorner + maxcorner) * 0.5f; }
inline bool QBox3D::contains(const QVector3D& point) const
{
if (boxtype == Finite) {
return (point.x() >= mincorner.x() && point.x() <= maxcorner.x() &&
point.y() >= mincorner.y() && point.y() <= maxcorner.y() &&
point.z() >= mincorner.z() && point.z() <= maxcorner.z());
} else if (boxtype == Infinite) {
return true;
} else {
return false;
}
}
inline bool QBox3D::contains(const QBox3D& box) const
{
if (box.boxtype == Finite)
return contains(box.mincorner) && contains(box.maxcorner);
else if (box.boxtype == Infinite)
return (boxtype == Infinite);
else
return false;
}
inline bool QBox3D::operator==(const QBox3D& box) const
{
return (boxtype == box.boxtype &&
mincorner == box.mincorner &&
maxcorner == box.maxcorner);
}
inline bool QBox3D::operator!=(const QBox3D& box) const
{
return (boxtype != box.boxtype ||
mincorner != box.mincorner ||
maxcorner != box.maxcorner);
}
inline bool qFuzzyCompare(const QBox3D& box1, const QBox3D& box2)
{
return box1.boxtype == box2.boxtype &&
qFuzzyCompare(box1.mincorner, box2.mincorner) &&
qFuzzyCompare(box1.maxcorner, box2.maxcorner);
}
#ifndef QT_NO_DEBUG_STREAM
Q_QT3D_EXPORT QDebug operator<<(QDebug dbg, const QBox3D &box);
#endif
#ifndef QT_NO_DATASTREAM
Q_QT3D_EXPORT QDataStream &operator<<(QDataStream &stream, const QBox3D &box);
Q_QT3D_EXPORT QDataStream &operator>>(QDataStream &stream, QBox3D &box);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QBox3D)
QT_END_HEADER
#endif
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