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51
52#ifndef ORBITTRANSFORMCONTROLLER_H
53#define ORBITTRANSFORMCONTROLLER_H
54
55#include <QObject>
56#include <QMatrix4x4>
57
58QT_BEGIN_NAMESPACE
59
60namespace Qt3DCore {
61class QTransform;
62}
63
64class OrbitTransformController : public QObject
65{
66 Q_OBJECT
67 Q_PROPERTY(Qt3DCore::QTransform* target READ target WRITE setTarget NOTIFY targetChanged)
68 Q_PROPERTY(float radius READ radius WRITE setRadius NOTIFY radiusChanged)
69 Q_PROPERTY(float angle READ angle WRITE setAngle NOTIFY angleChanged)
70
71public:
72 OrbitTransformController(QObject *parent = 0);
73
74 void setTarget(Qt3DCore::QTransform *target);
75 Qt3DCore::QTransform *target() const;
76
77 void setRadius(float radius);
78 float radius() const;
79
80 void setAngle(float angle);
81 float angle() const;
82
83signals:
84 void targetChanged();
85 void radiusChanged();
86 void angleChanged();
87
88protected:
89 void updateMatrix();
90
91private:
92 Qt3DCore::QTransform *m_target;
93 QMatrix4x4 m_matrix;
94 float m_radius;
95 float m_angle;
96};
97
98QT_END_NAMESPACE
99
100#endif // ORBITTRANSFORMCONTROLLER_H
101

source code of qt3d/examples/qt3d/simple-cpp/orbittransformcontroller.h