OglViewerWidget.h 1.73 KB
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#pragma once

#include "geometryengine.h"

#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QMatrix4x4>
#include <QQuaternion>
#include <QVector2D>
#include <QBasicTimer>
#include <QOpenGLShaderProgram>
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class GeometryEngine;

class OglViewerWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
	Q_OBJECT

public:
	explicit OglViewerWidget(QWidget *parent = 0);
	~OglViewerWidget();

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signals:
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	void loadFile(QString);
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private:
	struct {
		bool left = false;
		bool right = false;
		QVector2D position;
	} m_mouse;

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	struct {
		bool x = true;
		bool y = true;
		bool z = true;
	} m_rotDirections;

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	struct {
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		QVector3D position = { 1,1,1 };
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		QVector3D intensities = { 1.0,1.0,1.0 };
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		float attenuationFactor = 0.2f;
		float ambientCoefficient = 0.005f;
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	} m_light;

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	QVector4D m_backgroundColor = {0.5f, 0.8f, 1.0f, 1.0f};

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	QOpenGLShaderProgram m_program;
	GeometryEngine *m_dataEngine;

	QMatrix4x4 m_projection;
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	QVector3D m_translation;
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	QQuaternion m_rotation;

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	bool m_wireframe = false;
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	bool m_lightOn = false;
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protected:
	void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
	void mouseReleaseEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
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	void mouseMoveEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
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	void wheelEvent(QWheelEvent *e) Q_DECL_OVERRIDE;
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	void dragEnterEvent(QDragEnterEvent *e) Q_DECL_OVERRIDE;
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	void dropEvent(QDropEvent * event) Q_DECL_OVERRIDE;
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	void keyPressEvent(QKeyEvent *e) Q_DECL_OVERRIDE;
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	void initializeGL() Q_DECL_OVERRIDE;
	void resizeGL(int w, int h) Q_DECL_OVERRIDE;
	void paintGL() Q_DECL_OVERRIDE;

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private:
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	void initShaders();
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	void setConnections();
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	void updateLightPosition();
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private slots:
	void resetView();
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public slots:
	void changeDirection(int direction);
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	void toggleWireframe();
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	void toggleLight();
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};