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++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #ifndef FOG3DVOLUME_H
++ #define FOG3DVOLUME_H
++
++ #include <QtQuick3D/private/qquick3dnode_p.h>
++ #include <QtGui/QVector3D>
++ #include <QtGui/QColor>
++
++ class Fog3DVolume : public QQuick3DNode
++ {
++ Q_OBJECT
++ QML_ELEMENT
++
++ Q_PROPERTY(FogType type READ type WRITE setType NOTIFY typeChanged FINAL)
++ Q_PROPERTY(QVector3D extents READ extents WRITE setExtents NOTIFY extentsChanged FINAL)
++ Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged FINAL)
++ Q_PROPERTY(float density READ density WRITE setDensity NOTIFY densityChanged FINAL)
++ Q_PROPERTY(bool heightEnabled READ heightEnabled WRITE setHeightEnabled NOTIFY heightEnabledChanged FINAL)
++ Q_PROPERTY(float leastIntenseY READ leastIntenseY WRITE setLeastIntenseY NOTIFY leastIntenseYChanged FINAL)
++ Q_PROPERTY(float mostIntenseY READ mostIntenseY WRITE setMostIntenseY NOTIFY mostIntenseYChanged FINAL)
++ Q_PROPERTY(float heightCurve READ heightCurve WRITE setHeightCurve NOTIFY heightCurveChanged FINAL)
++ Q_PROPERTY(QVector3D noiseOffset READ noiseOffset WRITE setNoiseOffset NOTIFY noiseOffsetChanged FINAL)
++ Q_PROPERTY(float noiseScale READ noiseScale WRITE setNoiseScale NOTIFY noiseScaleChanged FINAL)
++
++ public:
++ enum FogType { Box = 0, Sphere = 1 };
++ Q_ENUM(FogType)
++
++ explicit Fog3DVolume(QQuick3DNode *parent = nullptr);
++
++ FogType type() const;
++ QVector3D extents() const;
++ QColor color() const;
++ float density() const;
++ bool heightEnabled() const;
++ float leastIntenseY() const;
++ float mostIntenseY() const;
++ float heightCurve() const;
++ QVector3D noiseOffset() const;
++ float noiseScale() const;
++
++ void setType(FogType v);
++ void setExtents(const QVector3D &v);
++ void setColor(const QColor &v);
++ void setDensity(float v);
++ void setHeightEnabled(bool v);
++ void setLeastIntenseY(float v);
++ void setMostIntenseY(float v);
++ void setHeightCurve(float v);
++ void setNoiseOffset(const QVector3D &v);
++ void setNoiseScale(float v);
++
++ signals:
++ void typeChanged();
++ void extentsChanged();
++ void colorChanged();
++ void densityChanged();
++ void heightEnabledChanged();
++ void leastIntenseYChanged();
++ void mostIntenseYChanged();
++ void heightCurveChanged();
++ void noiseOffsetChanged();
++ void noiseScaleChanged();
++
++ private:
++ FogType m_type = Sphere;
++ QVector3D m_extents = { 100.f, 100.f, 100.f };
++ QColor m_color = Qt::white;
++ float m_density = 1.0f;
++ bool m_heightEnabled = false;
++ float m_leastIntenseY = 10.0f;
++ float m_mostIntenseY = 0.0f;
++ float m_heightCurve = 1.0f;
++ QVector3D m_noiseOffset;
++ float m_noiseScale = 0.5f;
++ };
++
++ #endif // FOG3DVOLUME_H