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#include <QWindow>
#include <QtOpenGL/qgl.h>
#include <QtOpenGL/qglshaderprogram.h>
#include <QTime>
class QGuiGLContext;
class Renderer : public QObject
{
public:
Renderer();
QSurfaceFormat format() const;
void render(QSurface *surface, const QColor &color, const QSize &viewSize);
private:
void initialize();
qreal m_fAngle;
bool m_showBubbles;
void paintQtLogo();
void createGeometry();
void createBubbles(int number);
void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
QVector<QVector3D> vertices;
QVector<QVector3D> normals;
QGLShaderProgram program;
int vertexAttr;
int normalAttr;
int matrixUniform;
int colorUniform;
bool m_initialized;
QSurfaceFormat m_format;
QGuiGLContext *m_context;
};
class HelloWindow : public QWindow
{
Q_OBJECT
public:
HelloWindow(Renderer *renderer);
private slots:
void render();
protected:
void mousePressEvent(QMouseEvent *);
private:
void updateColor();
int m_colorIndex;
QColor m_color;
Renderer *m_renderer;
};
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