# OgreShadowCameraSetupPSSM.h

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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004 (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2006 Torus Knot Software Ltd
    00008 Copyright (c) 2006 Matthias Fink, netAllied GmbH <matthias.fink@web.de>
    00009 Also see acknowledgements in Readme.html
    00010
    00011 This program is free software; you can redistribute it and/or modify it under
    00012 the terms of the GNU Lesser General Public License as published by the Free Software
    00013 Foundation; either version 2 of the License, or (at your option) any later
    00014 version.
    00015
    00016 This program is distributed in the hope that it will be useful, but WITHOUT
    00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00018 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00019
    00020 You should have received a copy of the GNU Lesser General Public License along with
    00021 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00022 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00023 http://www.gnu.org/copyleft/lesser.txt.
    00024
    00025 You may alternatively use this source under the terms of a specific version of
    00026 the OGRE Unrestricted License provided you have obtained such a license from
    00027 Torus Knot Software Ltd.
    00028 -----------------------------------------------------------------------------
    00029 */
    00030 #ifndef __ShadowCameraSetupPSSM_H__
    00031 #define __ShadowCameraSetupPSSM_H__
    00032
    00033 #include "OgrePrerequisites.h"
    00034 #include "OgreShadowCameraSetupLiSPSM.h"
    00035
    00036 namespace Ogre
    00037 {
    00038
    00050     class _OgreExport PSSMShadowCameraSetup : public Ogre::LiSPSMShadowCameraSetup
    00051     {
    00052     public:
    00053         typedef std::vector<Real> SplitPointList;
    00054         typedef std::vector<Real> OptimalAdjustFactorList;
    00055
    00056     protected:
    00057         size_t mSplitCount;
    00058         SplitPointList mSplitPoints;
    00059         OptimalAdjustFactorList mOptimalAdjustFactors;
    00060         Real mSplitPadding;
    00061
    00062         mutable size_t mCurrentIteration;
    00063
    00064     public:
    00066         PSSMShadowCameraSetup();
    00067         ~PSSMShadowCameraSetup();
    00068
    00075         void calculateSplitPoints(size_t splitCount, Real nearDist, Real farDist, Real lambda = 0.95);
    00076
    00083         void setSplitPoints(const SplitPointList& newSplitPoints);
    00084
    00088         void setOptimalAdjustFactor(size_t splitIndex, Real factor);
    00089
    00093         void setSplitPadding(Real pad) { mSplitPadding = pad; }
    00094
    00098         Real getSplitPadding() const { return mSplitPadding; }
    00100         size_t getSplitCount() const { return mSplitCount; }
    00101
    00103         virtual void getShadowCamera(const Ogre::SceneManager *sm, const Ogre::Camera *cam,
    00104             const Ogre::Viewport *vp, const Ogre::Light *light, Ogre::Camera *texCam, size_t iteration) const;
    00105
    00107         inline const SplitPointList& getSplitPoints() const
    00108         { return mSplitPoints; }
    00109
    00111         inline Real getOptimalAdjustFactor(size_t splitIndex) const
    00112         { return mOptimalAdjustFactors[splitIndex]; }
    00113
    00115         Real getOptimalAdjustFactor() const;
    00116
    00117     };
    00118 }
    00119 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sat Apr 11 13:46:43 2009