/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2009 Torus Knot Software Ltd
Also see acknowledgements in Readme.html

You may use this sample code for anything you like, it is not covered by the
same license as the rest of the engine.
-----------------------------------------------------------------------------
*/

#ifndef _GEOMUTILS_H
#define _GEOMUTILS_H

#include "OgreString.h"
#include "OgreVertexIndexData.h"

class GeomUtils
{
public:
	// Create a sphere Mesh with a given name, radius, number of rings and number of segments
	static void createSphere(const Ogre::String& strName
		, float radius
		, int nRings, int nSegments
		, bool bNormals
		, bool bTexCoords
		);


	// Fill up a fresh copy of VertexData and IndexData with a sphere's coords given the number of rings and the number of segments
	static void createSphere(Ogre::VertexData*& vertexData, Ogre::IndexData*& indexData
		, float radius
		, int nRings, int nSegments
		, bool bNormals
		, bool bTexCoords);

	// Create a cone Mesh with a given name, radius and number of vertices in base
	// Created cone will have its head at 0,0,0, and will 'expand to' positive y
	static void createCone(const Ogre::String& strName
		, float radius
		, float height
		, int nVerticesInBase);

	// Fill up a fresh copy of VertexData and IndexData with a cone's coords given the radius and number of vertices in base
	static void createCone(Ogre::VertexData*& vertexData, Ogre::IndexData*& indexData
		, float radius
		, float height
		, int nVerticesInBase);


	// Fill up a fresh copy of VertexData with a normalized quad
	static void createQuad(Ogre::VertexData*& vertexData);


};


#endif
