Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/demos/opengl/quaternion_demo.h b/demos/opengl/quaternion_demo.h
new file mode 100644
index 0000000..dbff46c
--- /dev/null
+++ b/demos/opengl/quaternion_demo.h
@@ -0,0 +1,114 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#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