VsSphere.cpp

// VsSphere.cpp: implementation of the VsSphere class.
//

#include "StdAfx.h"
#include "VsMovableItem.h"
#include "VsBody.h"
#include "VsJoint.h"
#include "VsMotorizedJoint.h"
#include "VsRigidBody.h"
#include "VsSphere.h"
#include "VsStructure.h"
#include "VsSimulator.h"
#include "VsOsgUserData.h"
#include "VsOsgUserDataVisitor.h"
#include "VsDragger.h"

namespace VortexAnimatSim
{
        namespace Environment
        {
                namespace Bodies
                {

// Construction/Destruction

VsSphere::VsSphere()
{
        SetThisPointers();
}

VsSphere::~VsSphere()
{
        try
        {
                DeleteGraphics();
                DeletePhysics();
        }
        catch(...)
        {Std_TraceMsg(0, "Caught Error in desctructor of VsSphere/\r\n", "", -1, false, true);}
}

void VsSphere::CreateGraphicsGeometry()
{
        m_osgGeometry = CreateSphereGeometry(LatitudeSegments(), LongtitudeSegments(), m_fltRadius);
}

void VsSphere::CalculateEstimatedMassAndVolume()
{
    float fltVolume = (4/3.0) * osg::PI * m_fltRadius * m_fltRadius * m_fltRadius;
    m_fltEstimatedVolume = fltVolume*pow(m_lpSim->DistanceUnits(), (float) 3.0);;
    m_fltEstimatedMass = (m_fltDensity * fltVolume) * m_lpSim->DisplayMassUnits();
}

void VsSphere::CreatePhysicsGeometry()
{
        if(IsCollisionObject())
                m_vxGeometry = new VxSphere(m_fltRadius);

    CalculateEstimatedMassAndVolume();
}

void VsSphere::CreateParts()
{
        CreateGeometry();

        VsRigidBody::CreateItem();
        Sphere::CreateParts();
        VsRigidBody::SetBody();
}

void VsSphere::CreateJoints()
{
        if(m_lpJointToParent)
                m_lpJointToParent->CreateJoint();

        Sphere::CreateJoints();
        VsRigidBody::Initialize();
}

void VsSphere::ResizePhysicsGeometry()
{
        if(m_vxGeometry)
        {
                VxSphere *vxSphere = dynamic_cast<VxSphere *>(m_vxGeometry);

                if(!vxSphere)
                        THROW_TEXT_ERROR(Vs_Err_lGeometryMismatch, Vs_Err_strGeometryMismatch, m_lpThisAB->Name());
                
                vxSphere->setRadius(m_fltRadius);

        CalculateEstimatedMassAndVolume();
        }
}

                }               //Bodies
        }                       // Environment
}                               //VortexAnimatSim