BlEllipsoid.cpp

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#include "StdAfx.h"
#include "BlOsgGeometry.h"
#include "BlJoint.h"
#include "BlRigidBody.h"
#include "BlEllipsoid.h"
#include "BlSimulator.h"

namespace BulletAnimatSim
{
        namespace Environment
        {
                namespace Bodies
                {

BlEllipsoid::BlEllipsoid()
{
        SetThisPointers();
}

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

void BlEllipsoid::CreateGraphicsGeometry()
{
        m_osgGeometry = CreateEllipsoidGeometry(m_iLatSegments, m_iLongSegments, m_fltMajorRadius, m_fltMinorRadius);
}

void BlEllipsoid::CreatePhysicsGeometry()
{
        if(IsCollisionObject())
        {
        DeleteCollisionGeometry();
        
        m_eBodyType = CONVEX_HULL_SHAPE_PROXYTYPE;
        CalculateVolumeAndAreas();
        m_btCollisionShape = OsgMeshToConvexHull(m_osgNode.get(), true, -1);
        //m_bDisplayDebugCollisionGraphic = true;
        }
}

void BlEllipsoid::CalculateVolumeAndAreas()
{
    m_fltVolume = (4/3.0)*osg::PI*m_fltMajorRadius*m_fltMajorRadius*m_fltMinorRadius;
    m_vArea.x = m_vArea.y = m_vArea.z = osg::PI * m_fltMajorRadius * m_fltMinorRadius;

    if(m_fltMass < 0)
    {
        float fltMass = m_fltVolume * m_fltDensity;
        Mass(fltMass, false, false);
    }
}

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

        BlRigidBody::CreateItem();
        Ellipsoid::CreateParts();
}

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

        Ellipsoid::CreateJoints();
        BlRigidBody::Initialize();
}

                }               //Bodies
        }                       // Environment
}                               //BulletAnimatSim