main/include/Moon.h

/*
This file is part of Caelum.
See http://www.ogre3d.org/wiki/index.php/Caelum 

Copyright (c) 2008 Caelum team. See Contributors.txt for details.

Caelum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Caelum 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Caelum. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef MOON_H
#define MOON_H

#include "CaelumPrerequisites.h"
#include "Sun.h"

namespace caelum {

class CAELUM_EXPORT Moon : public BaseSkyLight {
    public:
        static const Ogre::String MOON_MATERIAL_NAME;

        static const Ogre::String MOON_BACKROUND_MATERIAL_NAME;

    private:
        Ogre::BillboardSet* mMoonBB;

        Ogre::MaterialPtr mMoonMaterial;

        Ogre::BillboardSet* mBackBB;

        Ogre::MaterialPtr mBackMaterial;
        
        Ogre::Degree mAngularSize;

        Ogre::GpuProgramParametersSharedPtr getFpParams();

    public:
        Moon (
                Ogre::SceneManager *sceneMgr,
                Ogre::SceneNode *caelumRootNode,
                const Ogre::String& moonTextureName = "moon_disc.dds", 
                Ogre::Degree angularSize = Ogre::Degree(3.77f));

        virtual ~Moon ();

        void setMoonTexture (const Ogre::String &textureName);
        
        void setMoonTextureAngularSize(const Ogre::Degree& moonTextureAngularSize);

        void setBodyColour (const Ogre::ColourValue &colour);

        void setPhase (Ogre::Real phase);

    public:
        virtual void notifyCameraChanged (Ogre::Camera *cam);
};

}

#endif //MOON_H

---