xref: /aosp_15_r20/external/eigen/demos/opengl/quaternion_demo.h (revision bf2c37156dfe67e5dfebd6d394bad8b2ab5804d4)
1*bf2c3715SXin Li // This file is part of Eigen, a lightweight C++ template library
2*bf2c3715SXin Li // for linear algebra.
3*bf2c3715SXin Li //
4*bf2c3715SXin Li // Copyright (C) 2008 Gael Guennebaud <[email protected]>
5*bf2c3715SXin Li //
6*bf2c3715SXin Li // This Source Code Form is subject to the terms of the Mozilla
7*bf2c3715SXin Li // Public License v. 2.0. If a copy of the MPL was not distributed
8*bf2c3715SXin Li // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9*bf2c3715SXin Li 
10*bf2c3715SXin Li #ifndef EIGEN_QUATERNION_DEMO_H
11*bf2c3715SXin Li #define EIGEN_QUATERNION_DEMO_H
12*bf2c3715SXin Li 
13*bf2c3715SXin Li #include "gpuhelper.h"
14*bf2c3715SXin Li #include "camera.h"
15*bf2c3715SXin Li #include "trackball.h"
16*bf2c3715SXin Li #include <map>
17*bf2c3715SXin Li #include <QTimer>
18*bf2c3715SXin Li #include <QtGui/QApplication>
19*bf2c3715SXin Li #include <QtOpenGL/QGLWidget>
20*bf2c3715SXin Li #include <QtGui/QMainWindow>
21*bf2c3715SXin Li 
22*bf2c3715SXin Li class RenderingWidget : public QGLWidget
23*bf2c3715SXin Li {
24*bf2c3715SXin Li   Q_OBJECT
25*bf2c3715SXin Li 
26*bf2c3715SXin Li     typedef std::map<float,Frame> TimeLine;
27*bf2c3715SXin Li     TimeLine m_timeline;
28*bf2c3715SXin Li     Frame lerpFrame(float t);
29*bf2c3715SXin Li 
30*bf2c3715SXin Li     Frame mInitFrame;
31*bf2c3715SXin Li     bool mAnimate;
32*bf2c3715SXin Li     float m_alpha;
33*bf2c3715SXin Li 
34*bf2c3715SXin Li     enum TrackMode {
35*bf2c3715SXin Li       TM_NO_TRACK=0, TM_ROTATE_AROUND, TM_ZOOM,
36*bf2c3715SXin Li       TM_LOCAL_ROTATE, TM_FLY_Z, TM_FLY_PAN
37*bf2c3715SXin Li     };
38*bf2c3715SXin Li 
39*bf2c3715SXin Li     enum NavMode {
40*bf2c3715SXin Li       NavTurnAround,
41*bf2c3715SXin Li       NavFly
42*bf2c3715SXin Li     };
43*bf2c3715SXin Li 
44*bf2c3715SXin Li     enum LerpMode {
45*bf2c3715SXin Li       LerpQuaternion,
46*bf2c3715SXin Li       LerpEulerAngles
47*bf2c3715SXin Li     };
48*bf2c3715SXin Li 
49*bf2c3715SXin Li     enum RotationMode {
50*bf2c3715SXin Li       RotationStable,
51*bf2c3715SXin Li       RotationStandard
52*bf2c3715SXin Li     };
53*bf2c3715SXin Li 
54*bf2c3715SXin Li     Camera mCamera;
55*bf2c3715SXin Li     TrackMode mCurrentTrackingMode;
56*bf2c3715SXin Li     NavMode mNavMode;
57*bf2c3715SXin Li     LerpMode mLerpMode;
58*bf2c3715SXin Li     RotationMode mRotationMode;
59*bf2c3715SXin Li     Vector2i mMouseCoords;
60*bf2c3715SXin Li     Trackball mTrackball;
61*bf2c3715SXin Li 
62*bf2c3715SXin Li     QTimer m_timer;
63*bf2c3715SXin Li 
64*bf2c3715SXin Li     void setupCamera();
65*bf2c3715SXin Li 
66*bf2c3715SXin Li     std::vector<Vector3f> mVertices;
67*bf2c3715SXin Li     std::vector<Vector3f> mNormals;
68*bf2c3715SXin Li     std::vector<int> mIndices;
69*bf2c3715SXin Li 
70*bf2c3715SXin Li   protected slots:
71*bf2c3715SXin Li 
72*bf2c3715SXin Li     virtual void animate(void);
73*bf2c3715SXin Li     virtual void drawScene(void);
74*bf2c3715SXin Li 
75*bf2c3715SXin Li     virtual void grabFrame(void);
76*bf2c3715SXin Li     virtual void stopAnimation();
77*bf2c3715SXin Li 
78*bf2c3715SXin Li     virtual void setNavMode(int);
79*bf2c3715SXin Li     virtual void setLerpMode(int);
80*bf2c3715SXin Li     virtual void setRotationMode(int);
81*bf2c3715SXin Li     virtual void resetCamera();
82*bf2c3715SXin Li 
83*bf2c3715SXin Li   protected:
84*bf2c3715SXin Li 
85*bf2c3715SXin Li     virtual void initializeGL();
86*bf2c3715SXin Li     virtual void resizeGL(int width, int height);
87*bf2c3715SXin Li     virtual void paintGL();
88*bf2c3715SXin Li 
89*bf2c3715SXin Li     //--------------------------------------------------------------------------------
90*bf2c3715SXin Li     virtual void mousePressEvent(QMouseEvent * e);
91*bf2c3715SXin Li     virtual void mouseReleaseEvent(QMouseEvent * e);
92*bf2c3715SXin Li     virtual void mouseMoveEvent(QMouseEvent * e);
93*bf2c3715SXin Li     virtual void keyPressEvent(QKeyEvent * e);
94*bf2c3715SXin Li     //--------------------------------------------------------------------------------
95*bf2c3715SXin Li 
96*bf2c3715SXin Li   public:
97*bf2c3715SXin Li     EIGEN_MAKE_ALIGNED_OPERATOR_NEW
98*bf2c3715SXin Li 
99*bf2c3715SXin Li     RenderingWidget();
~RenderingWidget()100*bf2c3715SXin Li     ~RenderingWidget() { }
101*bf2c3715SXin Li 
102*bf2c3715SXin Li     QWidget* createNavigationControlWidget();
103*bf2c3715SXin Li };
104*bf2c3715SXin Li 
105*bf2c3715SXin Li class QuaternionDemo : public QMainWindow
106*bf2c3715SXin Li {
107*bf2c3715SXin Li   Q_OBJECT
108*bf2c3715SXin Li   public:
109*bf2c3715SXin Li     QuaternionDemo();
110*bf2c3715SXin Li   protected:
111*bf2c3715SXin Li     RenderingWidget* mRenderingWidget;
112*bf2c3715SXin Li };
113*bf2c3715SXin Li 
114*bf2c3715SXin Li #endif // EIGEN_QUATERNION_DEMO_H
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