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//-*-C++-*-
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/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2003 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMSPHERESWEEP_H
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#define PMSPHERESWEEP_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "pmsolidobject.h"
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#include "pmvector.h"
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#include <tqptrlist.h>
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#include <tqvaluelist.h>
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#include <math.h>
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class PMViewStructure;
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/**
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* Class for povray sphere sweep objects.
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*/
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class PMSphereSweep : public PMSolidObject
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{
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typedef PMSolidObject Base;
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public:
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/**
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* The spline type
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*/
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enum SplineType { LinearSpline, BSpline, CubicSpline };
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/**
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* Creates an empty PMSphereSweep
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*/
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PMSphereSweep( PMPart* part );
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/**
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* Copy constructor
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*/
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PMSphereSweep( const PMSphereSweep& l );
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/**
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* deletes the PMSphereSweep
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*/
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virtual ~PMSphereSweep( );
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/** */
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virtual PMObject* copy( ) const { return new PMSphereSweep( *this ); }
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/** */
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virtual TQString description( ) const;
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/** */
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virtual PMMetaObject* tqmetaObject( ) const;
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/** */
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virtual void cleanUp( ) const;
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/** */
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virtual void serialize( TQDomElement& e, TQDomDocument& doc ) const;
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/** */
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virtual void readAttributes( const PMXMLHelper& h );
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/**
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* Returns a new @ref PMSphereSweepEdit
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*/
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virtual PMDialogEditBase* editWidget( TQWidget* tqparent ) const;
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/**
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* Returns the name of the pixmap that is displayed in the tree view
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* and dialog view
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*/
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virtual TQString pixmap( ) const { return TQString( "pmspheresweep" ); }
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/** */
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virtual void createMemento( );
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/** */
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virtual void restoreMemento( PMMemento* s );
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/** */
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virtual void controlPoints( PMControlPointList& list );
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/** */
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virtual void controlPointsChanged( PMControlPointList& list );
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/** */
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virtual bool hasDisplayDetail( ) const { return true; }
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/** */
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virtual void addObjectActions( const PMControlPointList&,
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TQPtrList<PMObjectAction>& );
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/** */
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virtual void objectActionCalled( const PMObjectAction*,
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const PMControlPointList&,
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const TQPtrList<PMVector>&,
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const PMVector& );
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/**
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* Returns the spline points
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*/
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TQValueList<PMVector> points( ) const { return m_points; }
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/**
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* Sets the spline points
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*/
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void setPoints( const TQValueList<PMVector>& points );
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/**
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* Returns the radii
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*/
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TQValueList<double> radii( ) const { return m_radii; }
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/**
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* Sets the radii
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*/
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void setRadii( const TQValueList<double>& radii );
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/**
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* Returns the number of spline points
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*/
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int numberOfPoints( ) const { return m_points.size( ); }
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/**
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* Returns the spline type
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*/
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SplineType splineType( ) const { return m_splineType; }
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/**
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* Sets the spline type
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*/
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void setSplineType( SplineType t );
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/**
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* Returns the depth tolerance
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*/
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double tolerance( ) const { return m_tolerance; }
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/**
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* Sets the depth tolerance
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*/
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void setTolerance( double t );
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/**
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* Sets the number of steps around the y axis
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*/
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static void setRSteps( int r );
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/**
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* Sets the number of subdivisions of one spline segment
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*/
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static void setSSteps( int v );
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/**
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* Returns the number of steps around the y axis
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*/
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static int rSteps( ) { return s_rSteps; }
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/**
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* Returns the number of subdivisions of one spline segment
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*/
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static int sSteps( ) { return s_sSteps; }
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protected:
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/** */
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virtual void createViewStructure( );
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/** */
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virtual int viewStructureParameterKey( ) const { return s_parameterKey + globalDetailKey( ); }
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private:
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/**
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* Object action. Adds a spline point
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*/
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void splitSegment( const PMControlPointList& cp,
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const TQPtrList<PMVector>& cpViewPosition,
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const PMVector& clickPosition );
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/**
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* Object action. Removes a spline point
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*/
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void joinSegments( const PMControlPointList& cp,
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const TQPtrList<PMVector>& cpViewPosition,
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const PMVector& clickPosition );
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void stringToValues( const TQString& str );
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TQString valuesToString( ) const;
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/**
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* IDs for @ref PMMementoData
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*/
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enum PMSphereSweepMementoID { PMSplineTypeID, PMToleranceID };
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/**
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* IDs for the object actions
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*/
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enum PMSphereSweepActionID { PMSplitSegmentID, PMJoinSegmentsID };
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SplineType m_splineType;
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TQValueList<PMVector> m_points;
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TQValueList<double> m_radii;
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double m_tolerance;
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static int s_rSteps;
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static int s_sSteps;
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static int s_parameterKey;
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static PMMetaObject* s_pMetaObject;
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/**
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* Segment Structure for holding info for
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* creating view structure
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*/
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struct Segment{
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TQValueList<PMVector> points;
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TQValueList<double> radii;
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TQValueList<PMVector> direction;
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};
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TQValueList<Segment> m_segments;
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int m_nextPoint;
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int m_nextLine;
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/**
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* Sets up the segments for linear spline
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* @param sSteps the number of subdivisions per segment
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*/
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void setLinear( int sSteps );
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/**
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* Sets up segments for curved splines
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* @param cubic true for cubic_spline false for b_spline
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* @param sSteps the number of subdivisions per segment
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*/
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void setCurved( bool cubic, int sSteps );
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/**
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* Returns a point on a Catmull rom spline
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* @param v Pointer to four control points
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* @param t position along spline ( 0.0 - 1.0 )
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*/
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PMVector catmullRom( PMVector *v, double t );
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/**
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* Returns a point on a cubic b spline
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* @param v pointer to four control points
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* @param t position along spline ( 0.0 - 1.0 )
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*/
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PMVector bSpline( PMVector *v, double t );
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/**
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* Creates a sphere
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* @param v poisition of sphere
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* @param r radius of sphere
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* @param rSteps the number of steps around the y axis
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*/
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void createSphere( PMVector v, double r, int rSteps );
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};
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#endif
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