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# OgreRibbonTrail.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) 2000-2006 Torus Knot Software Ltd
    00008 Also see acknowledgements in Readme.html
    00009
    00010 This program is free software; you can redistribute it and/or modify it under
    00011 the terms of the GNU Lesser General Public License as published by the Free Software
    00012 Foundation; either version 2 of the License, or (at your option) any later
    00013 version.
    00014
    00015 This program is distributed in the hope that it will be useful, but WITHOUT
    00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00018
    00019 You should have received a copy of the GNU Lesser General Public License along with
    00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00022 http://www.gnu.org/copyleft/lesser.txt.
    00023
    00024 You may alternatively use this source under the terms of a specific version of
    00025 the OGRE Unrestricted License provided you have obtained such a license from
    00026 Torus Knot Software Ltd.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029
    00030 #ifndef __RibbonTrail_H__
    00031 #define __RibbonTrail_H__
    00032
    00033 #include "OgrePrerequisites.h"
    00034
    00035 #include "OgreBillboardChain.h"
    00036 #include "OgreNode.h"
    00037 #include "OgreIteratorWrappers.h"
    00038 #include "OgreFrameListener.h"
    00039 #include "OgreControllerManager.h"
    00040
    00041 namespace Ogre {
    00042
    00065     class _OgreExport RibbonTrail : public BillboardChain, public Node::Listener
    00066     {
    00067     public:
    00077         RibbonTrail(const String& name, size_t maxElements = 20, size_t numberOfChains = 1,
    00078             bool useTextureCoords = true, bool useColours = true);
    00080         virtual ~RibbonTrail();
    00081
    00082         typedef std::vector<Node*> NodeList;
    00083         typedef ConstVectorIterator<NodeList> NodeIterator;
    00084
    00088         virtual void addNode(Node* n);
    00090         virtual void removeNode(Node* n);
    00092         virtual NodeIterator getNodeIterator(void) const;
    00093
    00100         virtual void setTrailLength(Real len);
    00102         virtual Real getTrailLength(void) const { return mTrailLength; }
    00103
    00105         void setMaxChainElements(size_t maxElements);
    00107         void setNumberOfChains(size_t numChains);
    00109         void clearChain(size_t chainIndex);
    00110
    00117         virtual void setInitialColour(size_t chainIndex, const ColourValue& col);
    00124         virtual void setInitialColour(size_t chainIndex, Real r, Real g, Real b, Real a = 1.0);
    00126         virtual const ColourValue& getInitialColour(size_t chainIndex) const;
    00127
    00132         virtual void setColourChange(size_t chainIndex, const ColourValue& valuePerSecond);
    00133
    00138         virtual void setInitialWidth(size_t chainIndex, Real width);
    00140         virtual Real getInitialWidth(size_t chainIndex) const;
    00141
    00146         virtual void setWidthChange(size_t chainIndex, Real widthDeltaPerSecond);
    00148         virtual Real getWidthChange(size_t chainIndex) const;
    00149
    00154         virtual void setColourChange(size_t chainIndex, Real r, Real g, Real b, Real a);
    00155
    00157         virtual const ColourValue& getColourChange(size_t chainIndex) const;
    00158
    00160         void nodeUpdated(const Node* node);
    00162         void nodeDestroyed(const Node* node);
    00163
    00165         virtual void _timeUpdate(Real time);
    00166
    00168         const String& getMovableType(void) const;
    00169
    00170     protected:
    00172         NodeList mNodeList;
    00174         Real mTrailLength;
    00176         Real mElemLength;
    00178         Real mSquaredElemLength;
    00179         typedef std::vector<ColourValue> ColourValueList;
    00180         typedef std::vector<Real> RealList;
    00182         ColourValueList mInitialColour;
    00184         ColourValueList mDeltaColour;
    00186         RealList mInitialWidth;
    00188         RealList mDeltaWidth;
    00190         Controller<Real>* mFadeController;
    00192         ControllerValueRealPtr mTimeControllerValue;
    00193
    00195         virtual void manageController(void);
    00197         virtual void updateTrail(size_t index, const Node* node);
    00199         virtual void resetTrail(size_t index, const Node* node);
    00201         virtual void resetAllTrails(void);
    00202
    00203     };
    00204
    00205
    00207     class _OgreExport RibbonTrailFactory : public MovableObjectFactory
    00208     {
    00209     protected:
    00210         MovableObject* createInstanceImpl( const String& name, const NameValuePairList* params);
    00211     public:
    00212         RibbonTrailFactory() {}
    00213         ~RibbonTrailFactory() {}
    00214
    00215         static String FACTORY_TYPE_NAME;
    00216
    00217         const String& getType(void) const;
    00218         void destroyInstance( MovableObject* obj);
    00219
    00220     };
    00221
    00222 }
    00223
    00224 #endif

Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 30 10:50:57 2007