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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef MAINWIDGET_H
#define MAINWIDGET_H
#include "geometryengine.h"
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QMatrix4x4>
#include <QQuaternion>
#include <QVector2D>
#include <QBasicTimer>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>
class GeometryEngine;
class MainWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
public:
using QOpenGLWidget::QOpenGLWidget;
~MainWidget();
protected:
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void timerEvent(QTimerEvent *e) override;
void initializeGL() override;
void resizeGL(int w, int h) override;
void paintGL() override;
void initShaders();
void initTextures();
private slots:
void cleanup();
private:
QBasicTimer timer;
QOpenGLShaderProgram *program = nullptr;
GeometryEngine *geometries = nullptr;
QOpenGLTexture *texture = nullptr;
QMatrix4x4 projection;
QVector2D mousePressPosition;
QVector3D rotationAxis;
qreal angularSpeed = 0;
QQuaternion rotation;
};
#endif // MAINWIDGET_H
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