1 | // This file is part of Eigen, a lightweight C++ template library
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2 | // for linear algebra.
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3 | //
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4 | // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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5 | //
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6 | // This Source Code Form is subject to the terms of the Mozilla
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7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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9 |
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10 | #ifndef EIGEN_QUATERNION_DEMO_H
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11 | #define EIGEN_QUATERNION_DEMO_H
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12 |
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13 | #include "gpuhelper.h"
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14 | #include "camera.h"
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15 | #include "trackball.h"
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16 | #include <map>
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17 | #include <QTimer>
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18 | #include <QtGui/QApplication>
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19 | #include <QtOpenGL/QGLWidget>
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20 | #include <QtGui/QMainWindow>
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21 |
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22 | class RenderingWidget : public QGLWidget
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23 | {
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24 | Q_OBJECT
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25 |
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26 | typedef std::map<float,Frame> TimeLine;
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27 | TimeLine m_timeline;
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28 | Frame lerpFrame(float t);
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29 |
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30 | Frame mInitFrame;
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31 | bool mAnimate;
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32 | float m_alpha;
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33 |
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34 | enum TrackMode {
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35 | TM_NO_TRACK=0, TM_ROTATE_AROUND, TM_ZOOM,
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36 | TM_LOCAL_ROTATE, TM_FLY_Z, TM_FLY_PAN
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37 | };
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38 |
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39 | enum NavMode {
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40 | NavTurnAround,
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41 | NavFly
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42 | };
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43 |
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44 | enum LerpMode {
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45 | LerpQuaternion,
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46 | LerpEulerAngles
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47 | };
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48 |
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49 | enum RotationMode {
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50 | RotationStable,
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51 | RotationStandard
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52 | };
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53 |
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54 | Camera mCamera;
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55 | TrackMode mCurrentTrackingMode;
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56 | NavMode mNavMode;
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57 | LerpMode mLerpMode;
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58 | RotationMode mRotationMode;
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59 | Vector2i mMouseCoords;
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60 | Trackball mTrackball;
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61 |
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62 | QTimer m_timer;
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63 |
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64 | void setupCamera();
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65 |
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66 | std::vector<Vector3f> mVertices;
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67 | std::vector<Vector3f> mNormals;
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68 | std::vector<int> mIndices;
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69 |
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70 | protected slots:
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71 |
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72 | virtual void animate(void);
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73 | virtual void drawScene(void);
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74 |
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75 | virtual void grabFrame(void);
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76 | virtual void stopAnimation();
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77 |
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78 | virtual void setNavMode(int);
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79 | virtual void setLerpMode(int);
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80 | virtual void setRotationMode(int);
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81 | virtual void resetCamera();
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82 |
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83 | protected:
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84 |
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85 | virtual void initializeGL();
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86 | virtual void resizeGL(int width, int height);
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87 | virtual void paintGL();
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88 |
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89 | //--------------------------------------------------------------------------------
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90 | virtual void mousePressEvent(QMouseEvent * e);
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91 | virtual void mouseReleaseEvent(QMouseEvent * e);
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92 | virtual void mouseMoveEvent(QMouseEvent * e);
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93 | virtual void keyPressEvent(QKeyEvent * e);
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94 | //--------------------------------------------------------------------------------
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95 |
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96 | public:
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97 | EIGEN_MAKE_ALIGNED_OPERATOR_NEW
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98 |
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99 | RenderingWidget();
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100 | ~RenderingWidget() { }
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101 |
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102 | QWidget* createNavigationControlWidget();
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103 | };
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104 |
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105 | class QuaternionDemo : public QMainWindow
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106 | {
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107 | Q_OBJECT
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108 | public:
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109 | QuaternionDemo();
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110 | protected:
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111 | RenderingWidget* mRenderingWidget;
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112 | };
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113 |
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114 | #endif // EIGEN_QUATERNION_DEMO_H
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