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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qaxisalignedboundingbox_p.h"
#include <QDebug>
#include <QMatrix4x4>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
void QAxisAlignedBoundingBox::update(const std::vector<QVector3D> &points)
{
if (points.empty()) {
m_center = QVector3D();
m_radii = QVector3D();
return;
}
QVector3D minPoint = points.at( 0 );
QVector3D maxPoint = points.at( 0 );
for (size_t i = 1; i < points.size(); ++i) {
const QVector3D &point = points.at(i);
if (point.x() > maxPoint.x())
maxPoint.setX(point.x());
if (point.y() > maxPoint.y())
maxPoint.setY(point.y());
if (point.z() > maxPoint.z())
maxPoint.setZ(point.z());
if (point.x() < minPoint.x())
minPoint.setX(point.x());
if (point.y() < minPoint.y())
minPoint.setY(point.y());
if (point.z() < minPoint.z())
minPoint.setZ(point.z());
}
m_center = 0.5 * (minPoint + maxPoint);
m_radii = 0.5 * (maxPoint - minPoint);
#if 0
qDebug() << "AABB:";
qDebug() << " min =" << minPoint;
qDebug() << " max =" << maxPoint;
qDebug() << " center =" << m_center;
qDebug() << " radii =" << m_radii;
#endif
}
QDebug operator<<(QDebug dbg, const QAxisAlignedBoundingBox &c)
{
QDebugStateSaver saver(dbg);
dbg.nospace() << "AABB ( min:" << c.minPoint() << ", max:" << c.maxPoint() << ')';
return dbg;
}
} //namespace Qt3DRender
QT_END_NAMESPACE
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