Program Listing for File Simulation.cpp

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#include "Simulation.h"
#include "TimeManager.h"
#include "Utils/Timing.h"
#include "TimeStep.h"
#include "TimeStepController.h"

using namespace PBD;
using namespace std;
using namespace GenParam;

Simulation* Simulation::current = nullptr;
int Simulation::GRAVITATION = -1;

Simulation::Simulation ()
{
    m_gravitation = Vector3r(0.0, -9.81, 0.0);

    m_timeStep = nullptr;
    m_model = nullptr;
}

Simulation::~Simulation ()
{
    delete m_timeStep;
    delete TimeManager::getCurrent();

    current = nullptr;
}

Simulation* Simulation::getCurrent ()
{
    if (current == nullptr)
    {
        current = new Simulation ();
        current->init();
    }
    return current;
}

void Simulation::setCurrent (Simulation* tm)
{
    current = tm;
}

bool Simulation::hasCurrent()
{
    return (current != nullptr);
}

void Simulation::init()
{
    initParameters();

    m_timeStep = new TimeStepController();
    m_timeStep->init();
    TimeManager::getCurrent()->setTimeStepSize(static_cast<Real>(0.005));
}

void Simulation::initParameters()
{
    ParameterObject::initParameters();

    GRAVITATION = createVectorParameter("gravitation", "Gravitation", 3u, m_gravitation.data());
    setGroup(GRAVITATION, "Simulation|General");
    setDescription(GRAVITATION, "Vector to define the gravitational acceleration.");
}

void Simulation::reset()
{
    m_model->reset();
    if (m_timeStep)
        m_timeStep->reset();

    TimeManager::getCurrent()->setTime(static_cast<Real>(0.0));
}