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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. Eigen itself is part of the KDE project.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// Alternatively, you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// Eigen 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 Lesser General Public License or the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License and a copy of the GNU General Public License along with
// Eigen. If not, see <http://www.gnu.org/licenses/>.
#ifndef EIGEN_QUATERNION_DEMO_H
#define EIGEN_QUATERNION_DEMO_H
#include "gpuhelper.h"
#include "camera.h"
#include "trackball.h"
#include <map>
#include <QTimer>
#include <QtGui/QApplication>
#include <QtOpenGL/QGLWidget>
#include <QtGui/QMainWindow>
class RenderingWidget : public QGLWidget
{
Q_OBJECT
typedef std::map<float,Frame> TimeLine;
TimeLine m_timeline;
Frame lerpFrame(float t);
Frame mInitFrame;
bool mAnimate;
float m_alpha;
enum TrackMode {
TM_NO_TRACK=0, TM_ROTATE_AROUND, TM_ZOOM,
TM_LOCAL_ROTATE, TM_FLY_Z, TM_FLY_PAN
};
enum NavMode {
NavTurnAround,
NavFly
};
enum LerpMode {
LerpQuaternion,
LerpEulerAngles
};
enum RotationMode {
RotationStable,
RotationStandard
};
Camera mCamera;
TrackMode mCurrentTrackingMode;
NavMode mNavMode;
LerpMode mLerpMode;
RotationMode mRotationMode;
Vector2i mMouseCoords;
Trackball mTrackball;
QTimer m_timer;
void setupCamera();
std::vector<Vector3f> mVertices;
std::vector<Vector3f> mNormals;
std::vector<int> mIndices;
protected slots:
virtual void animate(void);
virtual void drawScene(void);
virtual void grabFrame(void);
virtual void stopAnimation();
virtual void setNavMode(int);
virtual void setLerpMode(int);
virtual void setRotationMode(int);
virtual void resetCamera();
protected:
virtual void initializeGL();
virtual void resizeGL(int width, int height);
virtual void paintGL();
//--------------------------------------------------------------------------------
virtual void mousePressEvent(QMouseEvent * e);
virtual void mouseReleaseEvent(QMouseEvent * e);
virtual void mouseMoveEvent(QMouseEvent * e);
virtual void keyPressEvent(QKeyEvent * e);
//--------------------------------------------------------------------------------
public:
EIGEN_MAKE_ALIGNED_OPERATOR_NEW
RenderingWidget();
~RenderingWidget() { }
QWidget* createNavigationControlWidget();
};
class QuaternionDemo : public QMainWindow
{
Q_OBJECT
public:
QuaternionDemo();
protected:
RenderingWidget* mRenderingWidget;
};
#endif // EIGEN_QUATERNION_DEMO_H
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