//
// C++ Interface: LensFlare
//
// Description:
//
//
// Author     : David de Lorenzo
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.//
//
#ifndef EMBEROGRELENSFLARE_H
#define EMBEROGRELENSFLARE_H

#include "components/ogre/EmberOgrePrerequisites.h"
#include <OgreColourValue.h>




namespace Ember::OgreView::Environment {


/* ------------------------------------------------------------------------- */
/// A lens Flare effect.
/**
This class will create a lensflare effect, between The light position and the
camera position.
Some functions will allow to change the lensflare color effect, in case of coloured
light, for instance.
*/
/* ------------------------------------------------------------------------- */
class LensFlare {
public:
	LensFlare(Ogre::Camera* camera, Ogre::SceneManager* SceneMgr);

	virtual ~LensFlare();

	bool createLensFlare();

	void update();

	void setVisible(bool visible);

// 	void    setLightPosition(Ogre::Vector3 pos);
	void setNode(Ogre::SceneNode* node);

	void setHaloColour(Ogre::ColourValue color);

	void setBurstColour(Ogre::ColourValue color);

	void initialize();


protected:
	Ogre::SceneManager* mSceneMgr;
	Ogre::Camera* mCamera;
	Ogre::ColourValue mColour;
	//Ogre::SceneNode*    mNode;
	Ogre::BillboardSet* mHaloSet;
	Ogre::BillboardSet* mBurstSet;
	//Ogre::Vector3       mLightPosition;
	Ogre::SceneNode* mLightNode;
	bool mHidden;

	const Ogre::Vector3& getLightPosition() const;
};

}





#endif
