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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QSSGFRUSTUM_H
#define QSSGFRUSTUM_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick3DUtils/private/qssgplane_p.h>
#include <QtQuick3DUtils/private/qssgbounds3_p.h>
QT_BEGIN_NAMESPACE
/**
\brief Representation of a 6 plane frustum.
*/
class QSSGFrustum
{
public:
/**
\brief Performs AABB test on bounds
*/
Q_ALWAYS_INLINE bool contains(const QSSGBounds3 &box) const;
QSSGPlane m_planes[6]; //!< The six planes of frustum
};
Q_ALWAYS_INLINE bool QSSGFrustum::contains(const QSSGBounds3 &box) const
{
for (const auto &plane : m_planes) {
QVector3D p(plane.n.x() > 0 ? box.maximum.x() : box.minimum.x(),
plane.n.y() > 0 ? box.maximum.y() : box.minimum.y(),
plane.n.z() > 0 ? box.maximum.z() : box.minimum.z());
if (plane.distance(p) < 0)
return false;
}
return true;
}
QT_END_NAMESPACE
#endif // QSSGFRUSTUM_H