VsCylinder.cpp

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

#include "StdAfx.h"
#include "VsMovableItem.h"
#include "VsBody.h"
#include "VsJoint.h"
#include "VsMotorizedJoint.h"
#include "VsRigidBody.h"
#include "VsCylinder.h"
#include "VsSimulator.h"
#include "VsDragger.h"

namespace VortexAnimatSim
{
        namespace Environment
        {
                namespace Bodies
                {

// Construction/Destruction

VsCylinder::VsCylinder()
{
        SetThisPointers();
}

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

void VsCylinder::CreateGraphicsGeometry()
{
        m_osgGeometry = CreateConeGeometry(m_fltHeight, m_fltRadius, m_fltRadius, m_iSides, true, true, true);
        
        //We need to setup a geometry rotation to make the cylinder graphics geometry match the physics geometry.
        CStdFPoint vPos(0, 0, 0), vRot(-(osg::PI/2), 0, 0);
        GeometryRotationMatrix(SetupMatrix(vPos, vRot));
}

void VsCylinder::CalculateEstimatedMassAndVolume()
{
    float fltVolume = osg::PI * m_fltRadius * m_fltRadius * m_fltHeight;

    m_fltEstimatedVolume = fltVolume*pow(m_lpSim->DistanceUnits(), (float) 3.0);;
    m_fltEstimatedMass = (m_fltDensity * fltVolume) * m_lpSim->DisplayMassUnits();
}

void VsCylinder::CreatePhysicsGeometry()
{
        if(IsCollisionObject())
                m_vxGeometry = new VxCylinder(m_fltRadius, m_fltHeight);

    CalculateEstimatedMassAndVolume();
}

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

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

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

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

void VsCylinder::ResizePhysicsGeometry()
{
        if(m_vxGeometry)
        {
                VxCylinder *vxCylinder = dynamic_cast<VxCylinder *>(m_vxGeometry);

                if(!vxCylinder)
                        THROW_TEXT_ERROR(Vs_Err_lGeometryMismatch, Vs_Err_strGeometryMismatch, m_lpThisAB->Name());
                
                vxCylinder->setRadius(m_fltRadius);
                vxCylinder->setHeight(m_fltHeight);
        
        CalculateEstimatedMassAndVolume();
        }
}

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