PhysicalObject.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_PHYSICALOBJECT_H
#define OPENCAL_PHYSICALOBJECT_H

// Includes
#include <OpenCAL/global.h>
#include <OpenCAL/Object.h>
#include <OpenCAL/Physical.h>

namespace OpenCAL
{
    // Forward declarations
    class PhaseSpace;

    class OPENCAL_API PhysicalObject: public Object, public Physical
    {
    protected:
        // Member variables

    public:
        // Destructor
        virtual ~PhysicalObject();

        // Get functions

        // Set functions

        // Other functions
        virtual void disable() { m_velocity = m_force = Vector3::zero; m_enabled = false; }
        void fix() { disable(); }
        void unfix() { m_enabled = true; }
        bool isFixed() const { return !m_enabled; }

        // State functions
        virtual void addToState(PhaseSpace *state) = 0;
        virtual void addToDerivative(PhaseSpace *deriv) = 0;
        virtual void fromState(PhaseSpace *state) = 0;

    protected:
        // Constructors
        // protected, so no instance of this base class can be made
        PhysicalObject(System *parent, float mass = 1.0);
    };
}

#endif // OPENCAL_PHYSICALOBJECT_H

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