PressureForce.h

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

#ifndef OPENCAL_PRESSUREFORCE_H
#define OPENCAL_PRESSUREFORCE_H

// Includes
#include <OpenCAL/global.h>
#include <OpenCAL/Force.h>


namespace OpenCAL
{
    // Forward declarations
    class BalloonMesh;

    class OPENCAL_API PressureForce: public Force
    {
    protected:
        // Member variables
        const float m_idealGasConstant;
        float m_numMoles; 
        float m_temperature; 

    public:
        // Constructors and destructor
        PressureForce(BalloonMesh *parent);
        virtual ~PressureForce();

        // Get functions
        float getTemperature() const { return m_temperature; }

        // Set functions
        void setTemperature(float temperature) { m_temperature = temperature; }

        // Other functions
        void execute(float seconds);
    
    protected:
        // Protected functions
        float calculateVolume();
    };
}

#endif // OPENCAL_PRESSUREFORCE_H

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