Physical.cpp

/***************************************************************************
 *   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                                      *
 *                                                                         *
 ***************************************************************************/

// Includes
#include "Physical.h"
using namespace OpenCAL;

using namespace std;


// Defines
#define VERYBIG 9999999999999.99999f


/******************************
* Constructors and destructor *
******************************/

Physical::Physical(float mass)
{
#ifdef VERBOSE
    Debug::print("Physical constructor", 2);
#endif // VERBOSE
    
    m_oneOverMass = mass > 0 ? 1.0f / mass : VERYBIG;
}

Physical::~Physical()
{
#ifdef VERBOSE
    Debug::print("Physical destructor", 2);
#endif // VERBOSE
}


/************************
* Get and set functions *
************************/

float Physical::getMass() const
{
    return m_oneOverMass > 0 ? 1.0f / m_oneOverMass : VERYBIG;
}

void Physical::setMass(float mass)
{
    m_oneOverMass = mass > 0 ? 1.0f / mass : VERYBIG;
}

void Physical::setAccelleration(const Vector3 &acceleration)
{
    if(m_oneOverMass > 0)
        m_force = acceleration / m_oneOverMass;
}

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