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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtQuick3D/qquick3dinstancing.h>
QT_FORWARD_DECLARE_CLASS(QRandomGenerator)
//! [properties]
class CppInstanceTable : public QQuick3DInstancing
{
Q_OBJECT
QML_ELEMENT
Q_PROPERTY(int gridSize READ gridSize WRITE setGridSize NOTIFY gridSizeChanged)
Q_PROPERTY(float gridSpacing READ gridSpacing WRITE setGridSpacing NOTIFY gridSpacingChanged)
Q_PROPERTY(int randomSeed READ randomSeed WRITE setRandomSeed NOTIFY randomSeedChanged)
//! [properties]
public:
explicit CppInstanceTable(QQuick3DObject *parent = nullptr);
~CppInstanceTable() override;
int gridSize() const;
float gridSpacing() const;
int randomSeed() const;
public slots:
void setGridSize(int gridSize);
void setGridSpacing(float gridSpacing);
void setRandomSeed(int randomSeed);
signals:
void gridSizeChanged();
void gridSpacingChanged();
void randomSeedChanged();
protected:
QByteArray getInstanceBuffer(int *instanceCount) override;
private:
int m_instanceCount = 0;
QByteArray m_instanceData;
bool m_dirty = true;
int m_gridSize = 0;
float m_gridSpacing = 100;
int m_randomSeed;
};
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