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Diffstat (limited to 'kscreensaver/kdesavers/rotation.h')
| -rw-r--r-- | kscreensaver/kdesavers/rotation.h | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/kscreensaver/kdesavers/rotation.h b/kscreensaver/kdesavers/rotation.h deleted file mode 100644 index 0ae46469..00000000 --- a/kscreensaver/kdesavers/rotation.h +++ /dev/null @@ -1,328 +0,0 @@ -//============================================================================ -// -// KRotation screen saver for KDE -// Copyright (C) 2004 Georg Drenkhahn -// $Id$ -// -//============================================================================ - -#ifndef __ROTATION_H__ -#define __ROTATION_H__ - -#include <math.h> -// STL headers -#include <valarray> -// TQt headers -#include <tqwidget.h> -#include <tqtimer.h> -#include <tqgl.h> -// GL headers -#include <GL/glu.h> -#include <GL/gl.h> -// KDE headers -#include <kscreensaver.h> - -#include "vec3.h" -#include "rkodesolver.h" - -// KRotationSetupUi -#include "rotationcfg.h" - -//-------------------------------------------------------------------- - -/** @brief ODE solver for the Euler equations. - * - * Class implements RkOdeSolver<double> to solve the Euler equations of motion - * tor the rotating object. */ -class EulerOdeSolver : public RkOdeSolver<double> -{ - public: - /** @brief Constructor for the ODE solver for the Euler equations. - * @param t Time in seconds, integration variable - * @param dt Initial time increment in seconds for integration, auto adjusted - * later to guarantee precision - * @param _A Moment of inertia along 1. figure axis - * @param _B Moment of inertia along 2. figure axis - * @param _C Moment of inertia along 3. figure axis - * @param _y Vector of 12 elements containing the initial rotation vector - * omega (elements 0 to 2), and the initial rotating systems coordinate - * vectors e1, e2, e3 (elements 3 to 5, 6 to 8, and 9 to 11). - * @param eps Relative precision per integration step, see - * RkOdeSolver::RkOdeSolver(). */ - EulerOdeSolver( - const double &t_, - const double &dt_, - const double &A_, - const double &B_, - const double &C_, - std::valarray<double> &y_, - const double &eps); - - protected: - /** @brief ODE function for the Euler equation system - * @param x time in seconds - * @param y Vector of 12 elements containing the rotation vector omega - * (elements 0 to 2), and the rotating systems coordinate vectors e1, e2, e3 - * (elements 3 to 5, 6 to 8, and 9 to 11). - * @return derivation dy/dx */ - std::valarray<double> - f(const double &x, const std::valarray<double> &y) const; - - private: - /** Moments of inertia along the three figure axes */ - double A, B, C; -}; - - -//-------------------------------------------------------------------- - -/** @brief GL widget class for the KRotation screen saver - * - * Class implements TQGLWidget to display the KRotation screen saver. */ -class RotationGLWidget : public TQGLWidget -{ - Q_OBJECT - - - public: - /** @brief Constructor of KRotation's GL widget - * @param parent parent widget, passed to TQGLWidget's constructor - * @param name name of widget, passed to TQGLWidget's constructor - * @param omega current rotation vector - * @param e1 x trace data - * @param e2 y trace data - * @param e3 z trace data - * @param J 3 vector with momenta of inertia with respect to the 3 figure - * axes. */ - RotationGLWidget(TQWidget* parent, const char* name, - const vec3<double>& omega, - const std::deque<vec3<double> >& e1, - const std::deque<vec3<double> >& e2, - const std::deque<vec3<double> >& e3, - const vec3<double>& J); - - protected: - /** Called if scenery (GL view) must be updated */ - virtual void paintGL(); - /** Called if gl widget was resized. Method makes adjustments for new - * perspective */ - virtual void resizeGL(int w, int h); - /** Setup the GL enviroment */ - virtual void initializeGL(); - - private: - /** @brief Draw 3D arrow - * @param total_length total length of arrow - * @param head_length length of arrow head (cone) - * @param base_width width of arrow base - * @param head_width width of arrow head (cone) - * - * The arrow is drawn from the coordinates zero point along th z direction. - * The cone's tip is located at (0,0,@a total_length). */ - void myGlArrow(GLfloat total_length, GLfloat head_length, - GLfloat base_width, GLfloat head_width); - /** Draw the traces in the GL area */ - void draw_traces (void); - - private: // Private attributes - /** Eye position distance from coordinate zero point */ - GLfloat eyeR; - /** Eye position theta angle from z axis */ - GLfloat eyeTheta; - /** Eye position phi angle (longitude) */ - GLfloat eyePhi; - /** Box size */ - vec3<double> boxSize; - /** GL object list of fixed coordinate systems axses */ - GLuint fixedAxses; - /** GL object list of rotating coordinate systems axses */ - GLuint bodyAxses; - /** Light position distance from coordinate zero point */ - GLfloat lightR; - /** Light position theta angle from z axis */ - GLfloat lightTheta; - /** Light position phi angle (longitude) */ - GLfloat lightPhi; - - /** stores position where the mouse button was pressed down */ - TQPoint mouse_press_pos; - - /** Length of the rotating coordinate system axses */ - GLfloat bodyAxsesLength; - /** Length of the fixed coordinate system axses */ - GLfloat fixedAxsesLength; - - /** The openGL rotation matrix for the box. */ - GLfloat rotmat[16]; - - /** reference to current rotation vector */ - const vec3<double>& omega; - /** reference to x trace values */ - const std::deque<vec3<double> >& e1; - /** reference to y trace values */ - const std::deque<vec3<double> >& e2; - /** reference to z trace values */ - const std::deque<vec3<double> >& e3; -}; - -//-------------------------------------------------------------------- - -/** @brief Main class of the KRotation screen saver - * - * This class implements KScreenSaver for the KRotation screen saver. */ -class KRotationSaver : public KScreenSaver -{ - Q_OBJECT - - - public: - /** @brief Constructor of the KRotation screen saver object - * @param drawable Id of the window in which the screen saver is drawed - * - * Initial settings are read from disk, the GL widget is set up and displayed - * and the eq. of motion solver is started. */ - KRotationSaver(WId drawable); - /** @brief Destructor of the KPendulum screen saver object - * - * Only KPendulumSaver::solver is destoyed. */ - ~KRotationSaver(); - /** read the saved settings from disk */ - void readSettings(); - /** init physical quantities and set up the ode solver */ - void initData(); - - /** Returns length of traces in seconds of visibility, parameter from setup - * dialog */ - inline double traceLengthSeconds(void) const {return m_traceLengthSeconds;} - /** Sets the length of traces in seconds of visibility. */ - void setTraceLengthSeconds(const double& t); - /** Lower argument limit for setTraceLengthSeconds() */ - static const double traceLengthSecondsLimitLower; - /** Upper argument limit for setTraceLengthSeconds() */ - static const double traceLengthSecondsLimitUpper; - /** Default value of KRotationSaver::m_traceLengthSeconds */ - static const double traceLengthSecondsDefault; - - /** Flags indicating if the traces for x,y,z are shown. Only relevant if - * ::randomTraces is not set to true. Parameter from setup dialog */ - inline bool traceFlag(unsigned int n) const {return m_traceFlag[n];} - /** (Un)Sets the x,y,z traces flags. */ - inline void setTraceFlag(unsigned int n, const bool& flag) - {m_traceFlag[n] = flag;} - /** Default values for KRotationSaver::m_traceFlag */ - static const bool traceFlagDefault[3]; - - /** If flag is set to true the traces will be (de)activated randomly all 10 - * seconds. Parameter from setup dialog */ - inline bool randomTraces(void) const {return m_randomTraces;} - /** (Un)Sets the random trace flag. */ - inline void setRandomTraces(const bool& flag) {m_randomTraces = flag;} - /** Default value for KRotationSaver::m_randomTraces */ - static const bool randomTracesDefault = true; - - /** Returns the angular momentum. */ - inline double Lz(void) const {return m_Lz;} - /** Sets the angular momentum. */ - void setLz(const double& Lz); - /** Lower argument limit for setLz() */ - static const double LzLimitLower; - /** Upper argument limit for setLz() */ - static const double LzLimitUpper; - /** Default value for KRotationSaver::m_Lz */ - static const double LzDefault; - - /** Returns initial eulerian angle theta of the top body at t=0 sec. */ - inline double initEulerTheta(void) const {return m_initEulerTheta;} - /** Set the initial eulerian angle theta of the top body at t=0 sec. */ - void setInitEulerTheta(const double& theta); - /** Lower argument limit for setInitEulerTheta() */ - static const double initEulerThetaLimitLower; - /** Upper argument limit for setInitEulerTheta() */ - static const double initEulerThetaLimitUpper; - /** Default value for KRotationSaver::m_initEulerTheta */ - static const double initEulerThetaDefault; - - public slots: - /** slot is called if integration should proceed by ::deltaT */ - void doTimeStep(); - /** slot is called if setup dialog changes in size and the GL area should be - * adjusted */ - void resizeGlArea(TQResizeEvent* e); - - private: - /** Momentum of inertia along figure axes */ - vec3<double> J; - /** Initial eulerian angles phi of the top body at t=0s */ - double initEulerPhi; - /** Initial eulerian angles psi of the top body at t=0s */ - double initEulerPsi; - - /** The ode solver which is used to integrate the equations of motion */ - EulerOdeSolver* solver; - /** Gl widget of simulation */ - RotationGLWidget* glArea; - /** Timer for the real time integration of the Euler equations */ - TQTimer* timer; - - /** current rotation vector */ - vec3<double> omega; - /** deque of unit vectors of e1 figure axes in fixed frame coordinates */ - std::deque<vec3<double> > e1; - /** deque of unit vectors of e2 figure axes in fixed frame coordinates */ - std::deque<vec3<double> > e2; - /** deque of unit vectors of e3 figure axes in fixed frame coordinates */ - std::deque<vec3<double> > e3; - - /** Time step size for the integration in milliseconds. Used in - * ::KRotationSaver and ::RotationGLWidget. */ - static const unsigned int deltaT = 20; - - /** Length of traces in seconds of visibility, parameter from setup dialog */ - double m_traceLengthSeconds; - /** Flags indicating if the traces for x,y,z are shown. Only relevant if - * ::randomTraces is not set to true. Parameter from setup dialog */ - bool m_traceFlag[3]; - /** If flag is set to true the traces will be (de)activated randomly all 10 - * seconds. Parameter from setup dialog */ - bool m_randomTraces; - /** Angular momentum. This is a constant of motion and points always into - * positive z direction. Parameter from setup dialog */ - double m_Lz; - /** Initial eulerian angles theta of the top body at t=0 sec. Parameter from - * setup dialog */ - double m_initEulerTheta; -}; - -//-------------------------------------------------------------------- - -/** @brief KRotation screen saver setup dialog. - * - * This class handles the KRotation screen saver setup dialog. */ -class KRotationSetup : public KRotationSetupUi -{ - Q_OBJECT - - - public: - KRotationSetup(TQWidget* parent = NULL, const char* name = NULL); - ~KRotationSetup(); - - public slots: - /// slot for the OK Button: save settings and exit - void okButtonClickedSlot(void); - /// slot for the About Button: show the About dialog - void aboutButtonClickedSlot(void); - void randomTracesToggled(bool state); - void xTraceToggled(bool state); - void yTraceToggled(bool state); - void zTraceToggled(bool state); - void lengthEnteredSlot(const TQString& s); - void LzEnteredSlot(const TQString& s); - void thetaEnteredSlot(const TQString& s); - - private: - /// the screen saver widget which is displayed in the preview area - KRotationSaver* saver; -}; - -#endif |