1 #ifndef GAMEVIEW_H

     2 #define GAMEVIEW_H

     3 

     4 #include <QQuickItem>

     5 

     6 #include <QtGui/QOpenGLFunctions>

     7 #include <QtGui/QOpenGLShaderProgram>

     8 

     9 class GameViewRenderer : public QObject, protected QOpenGLFunctions {

    10   Q_OBJECT

    11  public:

    12   GameViewRenderer() : m_delta(0) {}

    13   ~GameViewRenderer();

    14 

    15   void tick(quint32 delta) { m_delta = delta; }

    16   void setViewportSize(const QSize& size);

    17 

    18  public slots:

    19   void paint();

    20 

    21  private:

    22   quint32 m_delta;

    23 };

    24 

    25 class GameView : public QQuickItem {

    26   Q_OBJECT

    27 

    28  public:

    29   GameView();

    30 

    31   Q_INVOKABLE void tick(quint32 delta);

    32 

    33  signals:

    34   void tChanged();

    35 

    36  public slots:

    37   void sync();

    38   void cleanup();

    39 

    40  private slots:

    41   void handleWindowChanged(QQuickWindow* win);

    42 

    43  private:

    44   quint32 m_delta;

    45   GameViewRenderer* m_renderer;

    46   bool m_windowChanged;

    47   qint32 m_centerX;

    48   qint32 m_centerY;

    49 };

    50 

    51 #endif  // GAMEVIEW_H