pulsaranimationwidget.h

/******************************************************************************
 *   Copyright (C) 2008 by Oliver Bock                                        *
 *   oliver.bock[AT]aei.mpg.de                                                *
 *                                                                            *
 *   This file is part of PulsatingScience.                                   *
 *                                                                            *
 *   PulsatingScience is free software: you can redistribute it and/or modify *
 *   it under the terms of the GNU General Public License as published        *
 *   by the Free Software Foundation, version 3 of the License.               *
 *                                                                            *
 *   PulsatingScience is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
 *   GNU General Public License for more details.                             *
 *                                                                            *
 *   You should have received a copy of the GNU General Public License        *
 *   along with PulsatingScience. If not, see <http://www.gnu.org/licenses/>. *
 *                                                                            *
 ******************************************************************************/

#ifndef PULSARANIMATIONWIDGET_H_
#define PULSARANIMATIONWIDGET_H_

#include <cmath>

#include <QGLWidget>
#include <QTimer>
#include <QMouseEvent>
#include <QDebug>

#ifdef __APPLE__
    #include <OpenGL/glu.h>
#else
    #include <GL/glu.h>
#endif

#include "common.h"
#include "plotdata.h"

#define PI 3.14159265

class PulsarAnimationWidget : public QGLWidget
{
    Q_OBJECT

public:
    PulsarAnimationWidget(QWidget *parent);
    virtual ~PulsarAnimationWidget();

    void setLHOAngle(const double degrees);
    void setLLOAngle(const double degrees);
    void setVirgoAngle(const int degrees);
    void setSourceIota(const int degrees);
    void setSourceInclination(const double length);
    void getCameraPosition(double& cameraAngleH, double& cameraAngleV, double& cameraZoom);
    void resetCameraPosition(const double angleH, const double angleV, const double zoom);

signals:
    void pulseProfileUpdated(const PlotData& data);

private:
    void initializeGL();
    void resizeGL(int w, int h);
    void paintGL();

    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void showEvent(QShowEvent *event);

    void updateCameraPosition(const double angleH, const double angleV, const double zoom);
    void updatePulseProfile();

    GLUquadricObj *m_quadricVirgoh;
    GLUquadricObj *m_quadricVirgov;
    GLUquadricObj *m_quadricSourcePlane;
    GLUquadricObj *m_quadricEarth;
    GLUquadricObj *m_quadricLLOh;
    GLUquadricObj *m_quadricLLOv;
    GLUquadricObj *m_quadricSourcePlaneNormal;
    GLUquadricObj *m_quadricSourcePlaneNormalCap;
    GLUquadricObj *m_quadricSourcePlaneNormalCenter;
    GLUquadricObj *m_quadricLHOv;
    GLUquadricObj *m_quadricLHOh;

    GLuint m_beamTexture;

    double m_earthRadius;
    double m_LHOAngle;
    double m_LLOAngle;
    double m_VirgoAngle;
    double m_sourceIota;
    double m_sourceInclination;

    PlotData m_plotData;

    bool m_cameraInteraction;

    int m_mouseLastX;
    int m_mouseLastY;
    double m_mouseAngleH;
    double m_mouseAngleV;
    double m_cameraZoom;
    double m_cameraZoomLBound;
    double m_cameraZoomUBound;
    double m_cameraPosX;
    double m_cameraPosY;
    double m_cameraPosZ;

    static const double deg2rad;
};

#endif /* PULSARANIMATIONWIDGET_H_ */