use class for camera handling,

orbit does not work. Need to figure out why

QtMeshViewer/Header/CameraInterface.h

@@ -0,0 +1,26 @@
+#pragma once
+#include <QMatrix4x4>
+
+class CameraInterface
+{
+public:
+	explicit CameraInterface() {};
+	virtual ~CameraInterface() {};
+
+// attributes
+protected:
+	QMatrix4x4 m_matrix;
+	double m_zSpeed = 1.0;
+
+// functions
+public:
+	virtual void setZoomSpeed(int percent) { m_zSpeed = (double) percent / 100; };
+
+	virtual void rotateAction(QVector2D diff) = 0;
+	virtual void moveAction(QVector2D diff) = 0;
+	virtual void wheelAction(double value) = 0;
+	virtual void resetView() { m_matrix = QMatrix4x4(); m_zSpeed = 1.0; };
+
+	virtual void recalculateMatrix() = 0;
+	virtual QMatrix4x4 getMatrix() { recalculateMatrix(); return m_matrix; };
+};

QtMeshViewer/Header/FreeCamera.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "CameraInterface.h"
+
+
+class FreeCamera : public CameraInterface
+{
+public:
+	explicit FreeCamera();
+	virtual ~FreeCamera();
+
+// attributes
+private:
+	QVector3D m_translation;
+	QQuaternion m_rotation;
+
+// functions
+public:
+	virtual void rotateAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void moveAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void wheelAction(double value) Q_DECL_OVERRIDE;
+	virtual void recalculateMatrix() Q_DECL_OVERRIDE;
+	virtual void resetView() Q_DECL_OVERRIDE;
+};

QtMeshViewer/Header/MoveCamera.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "CameraInterface.h"
+
+
+class MoveCamera : public CameraInterface
+{
+public:
+	explicit MoveCamera();
+	virtual ~MoveCamera();
+
+	// attributes
+private:
+
+
+	// functions
+public:
+	virtual void rotateAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void moveAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void wheelAction(double value) Q_DECL_OVERRIDE;
+	virtual void recalculateMatrix() Q_DECL_OVERRIDE;
+	virtual void resetView() Q_DECL_OVERRIDE;
+};

QtMeshViewer/Header/OglViewerWidget.h

@@ -5,6 +5,7 @@
 #include <QMatrix4x4>
 #include "GeometryEngine.h"
 #include "SettingsWindow.h"
+#include "CameraInterface.h"
 
 
 class GeometryEngine;
@@ -37,25 +38,16 @@ private:
 		bool headlight = false;
 	} m_light;
 
-	SettingsWindow* m_settings;
-
 	struct {
 		bool left = false;
 		bool right = false;
 		QVector2D position;
 	} m_mouse;
 
-	struct {
-		bool x = true;
-		bool y = true;
-		bool z = true;
-	} m_rotDirections;
-
 	QMatrix4x4 m_projection;
-	QVector3D m_translation;
-	QQuaternion m_rotation;
+	CameraInterface* m_camera;
 
-	double m_zSpeed = 1.0;
+	SettingsWindow* m_settings;
 
 // functions
 private:
@@ -81,10 +73,13 @@ protected:
 // slots
 public slots:
 	void loadFile(QString name);
-	void toggleAxis(int axis);
+	void useFreeCamera();
+	void useOrbitCamera();
+	void useMoveCamera();
 	void toggleWireframe();
 	void toggleLight();
 	void showSettings();
+
 	void setBGColorOff(QVector3D value);
 	void setBGColorOn(QVector3D value);
 	void setLightColor(QVector3D value);
@@ -92,7 +87,6 @@ public slots:
 	void setAmbCoef(double value);
 	void setHeadlight(bool value);
 	void setBackfaceCulling(bool value);
-	void setZoomSpeed(int percent);
 
 };
 

QtMeshViewer/Header/OrbitCamera.h

@@ -0,0 +1,24 @@
+#pragma once
+#include "CameraInterface.h"
+
+
+class OrbitCamera : public CameraInterface
+{
+public:
+	explicit OrbitCamera();
+	virtual ~OrbitCamera();
+
+	// attributes
+private:
+	double m_phi;
+	double m_theta;
+	double m_roh;
+
+	// functions
+public:
+	virtual void rotateAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void moveAction(QVector2D diff) Q_DECL_OVERRIDE;
+	virtual void wheelAction(double value) Q_DECL_OVERRIDE;
+	virtual void recalculateMatrix() Q_DECL_OVERRIDE;
+	virtual void resetView() Q_DECL_OVERRIDE;
+};