qt-everywhere-src-5.14.1/qtdatavis3d/examples/datavisualization/rotations/scatterdatamodifier.h

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#ifndef SCATTERDATAMODIFIER_H
#define SCATTERDATAMODIFIER_H

#include <QtDataVisualization/q3dscatter.h>
#include <QtDataVisualization/qscatterdataproxy.h>
#include <QtCore/QTimer>

using namespace QtDataVisualization;

class ScatterDataModifier : public QObject
{
    Q_OBJECT
public:
    explicit ScatterDataModifier(Q3DScatter *scatter);
    ~ScatterDataModifier();

    void generateData();

public Q_SLOTS:
    void setFieldLines(int lines);
    void setArrowsPerLine(int arrows);
    void toggleRotation();
    void triggerRotation();
    void toggleSun();

private:
    Q3DScatter *m_graph;
    QTimer m_rotationTimer;
    int m_fieldLines;
    int m_arrowsPerLine;
    QScatter3DSeries *m_magneticField;
    QCustom3DItem *m_sun;
    QScatterDataArray *m_magneticFieldArray;
    float m_angleOffset;
    float m_angleStep;
};

#endif