OAG Library (OpenGL) Part 2.3 - Drawing 2D Textures Using the Mouse and Programatically

#ifdef _MSC_VER
#include "..\..\include\oag\OAGSphere.h"
#endif

oag::OAGSphere::OAGSphere(void)
:oag::OAGQuadric(10,10)
,m_dRadius(1)
{
}

//Creates a sphere with numbers for slices and stacks
//@Param dRadius - The radius for the sphere
//@Param slices - The number of subdivisions around the z-axis (similar to lines of longitude). 
//@Param stacks - The number of subdivisions along the z-axis (similar to lines of latitude). 
oag::OAGSphere::OAGSphere(GLdouble dRadius, GLint nSlices, GLint nStacks)
:oag::OAGQuadric(nSlices, nStacks)
,m_dRadius(dRadius)
{
}

oag::OAGSphere::~OAGSphere(void)
{
}

//Operations

void oag::OAGSphere::OnDraw()
{

	::glPushMatrix();

	::glColor4ubv( m_Color.GetColor4ubv() );

	::glPolygonMode(m_PolygonFace, m_PolygonMode);

	::glTranslated( m_position.m_X, m_position.m_Y, m_position.m_Z);
	::glScalef( m_scale.m_X, m_scale.m_Y, m_scale.m_Z);
	::glRotatef( m_rotation.m_X, 1.0, 0, 0);
	::glRotatef( m_rotation.m_Y, 0, 1.0, 0);
	::glRotatef( m_rotation.m_Z, 0, 0, 1.0);

	::gluQuadricNormals(m_pQuadric, GLU_SMOOTH);

	::gluSphere( m_pQuadric, m_dRadius, m_nSlices, m_nStacks);

	::glPopMatrix();

}

void oag::OAGSphere::ReadNodeXML(CXmlNode* pNode)
{
	oag::OAGQuadric::ReadNodeXML(pNode);

	CXmlNode* pNodeSphere = pNode->GetNode("Sphere");

	if ( pNodeSphere )
	{
		CXmlNode* pNodeRadius = pNodeSphere->GetNode("Radius");
		if ( pNodeRadius )
			m_dRadius = atof( pNodeRadius->GetAttribute("value").c_str() );
		
	}
}

void oag::OAGSphere::SaveNodeXML(CXmlNode* pNode)
{
	oag::OAGQuadric::SaveNodeXML( pNode );

	CXmlNode* pNodeQuadric = pNode->GetLastChild();

	if ( pNodeQuadric )
	{
		CXmlNode* pNodeSphere = new CXmlNode("Sphere");
		pNodeQuadric->AppendChild( pNodeSphere );

		char buffer[_CVTBUFSIZE];

		CXmlNode* pNodeRadius = new CXmlNode("Radius");
		pNodeSphere->AppendChild( pNodeRadius );

		_gcvt_s(buffer, _CVTBUFSIZE, m_dRadius, 4 );  pNodeRadius->AddAttribute("value", buffer);

	}

}