OgreRibbonTrail.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2013 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
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16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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26 -----------------------------------------------------------------------------
27 */
28 
29 #ifndef __RibbonTrail_H__
30 #define __RibbonTrail_H__
31 
32 #include "OgrePrerequisites.h"
33 
34 #include "OgreBillboardChain.h"
35 #include "OgreNode.h"
36 #include "OgreIteratorWrappers.h"
37 #include "OgreFrameListener.h"
38 #include "OgreControllerManager.h"
39 #include "OgreHeaderPrefix.h"
40 
41 namespace Ogre {
42 
72  {
73  public:
83  RibbonTrail(const String& name, size_t maxElements = 20, size_t numberOfChains = 1,
84  bool useTextureCoords = true, bool useVertexColours = true);
86  virtual ~RibbonTrail();
87 
90 
94  virtual void addNode(Node* n);
96  virtual void removeNode(Node* n);
98  virtual NodeIterator getNodeIterator(void) const;
100  virtual size_t getChainIndexForNode(const Node* n);
101 
108  virtual void setTrailLength(Real len);
110  virtual Real getTrailLength(void) const { return mTrailLength; }
111 
113  void setMaxChainElements(size_t maxElements);
115  void setNumberOfChains(size_t numChains);
117  void clearChain(size_t chainIndex);
118 
125  virtual void setInitialColour(size_t chainIndex, const ColourValue& col);
132  virtual void setInitialColour(size_t chainIndex, Real r, Real g, Real b, Real a = 1.0);
134  virtual const ColourValue& getInitialColour(size_t chainIndex) const;
135 
140  virtual void setColourChange(size_t chainIndex, const ColourValue& valuePerSecond);
141 
146  virtual void setInitialWidth(size_t chainIndex, Real width);
148  virtual Real getInitialWidth(size_t chainIndex) const;
149 
154  virtual void setWidthChange(size_t chainIndex, Real widthDeltaPerSecond);
156  virtual Real getWidthChange(size_t chainIndex) const;
157 
162  virtual void setColourChange(size_t chainIndex, Real r, Real g, Real b, Real a);
163 
165  virtual const ColourValue& getColourChange(size_t chainIndex) const;
166 
168  void nodeUpdated(const Node* node);
170  void nodeDestroyed(const Node* node);
171 
173  virtual void _timeUpdate(Real time);
174 
176  const String& getMovableType(void) const;
177 
178  protected:
185  // chains not in use
187 
188  // fast lookup node->chain index
189  // we use positional map too because that can be useful
192 
213 
215  virtual void manageController(void);
217  virtual void updateTrail(size_t index, const Node* node);
219  virtual void resetTrail(size_t index, const Node* node);
221  virtual void resetAllTrails(void);
222 
223  };
224 
225 
228  {
229  protected:
230  MovableObject* createInstanceImpl( const String& name, const NameValuePairList* params);
231  public:
234 
236 
237  const String& getType(void) const;
238  void destroyInstance( MovableObject* obj);
239 
240  };
244 }
245 
246 #include "OgreHeaderSuffix.h"
247 
248 #endif
Controller< Real > * mFadeController
controller used to hook up frame time to fader
vector< ColourValue >::type ColourValueList
ControllerValueRealPtr mTimeControllerValue
controller value for hooking up frame time to fader
#define _OgreExport
Definition: OgrePlatform.h:257
Abstract class defining a movable object in a scene.
RealList mDeltaWidth
Delta width of the ribbon.
map< const Node *, size_t >::type NodeToChainSegmentMap
Class representing colour.
float Real
Software floating point type.
Real mElemLength
length of each element
IndexVector mFreeChains
Factory object for creating RibbonTrail instances.
Subclass of BillboardChain which automatically leaves a trail behind one or more Node instances...
vector< size_t >::type IndexVector
Mapping of nodes to chain segments.
ConstVectorIterator< NodeList > NodeIterator
Real mTrailLength
Total length of trail in world units.
Class representing a general-purpose node an articulated scene graph.
Definition: OgreNode.h:64
virtual Real getTrailLength(void) const
Get the length of the trail.
static String FACTORY_TYPE_NAME
vector< Real >::type RealList
map< String, String >::type NameValuePairList
Name / value parameter pair (first = name, second = value)
Definition: OgreCommon.h:550
IndexVector mNodeToChainSegment
Ordered like mNodeList, contains chain index.
_StringBase String
ColourValueList mDeltaColour
fade amount per second
ColourValueList mInitialColour
Initial colour of the ribbon.
Real mSquaredElemLength
Squared length of each element.
Listener which gets called back on Node events.
Definition: OgreNode.h:84
RealList mInitialWidth
Initial width of the ribbon.
NodeToChainSegmentMap mNodeToSegMap
Concrete IteratorWrapper for const access to the underlying container.
Interface definition for a factory class which produces a certain kind of MovableObject, and can be registered with Root in order to allow all clients to produce new instances of this object, integrated with the standard Ogre processing.
NodeList mNodeList
List of nodes being trailed.
Allows the rendering of a chain of connected billboards.
vector< Node * >::type NodeList

Copyright © 2012 Torus Knot Software Ltd
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Last modified Mon Jun 30 2014 22:23:11