SurroundEffect.H

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/**************************************************************
 *  Name: Sascha Becker (sab)
 *  File: SurroundEffect.H
 *  Asgn: cavewriting
 *  Date: Sat Feb 26 16:17:48 EST 2005
 **************************************************************/

#ifndef SurroundEffect_Header

#define SurroundEffect_Header

#include <DrawObj.H>
#include <IS3D.H>
#include "Word.H"
#include "Effect.H"

using namespace std;

namespace cavewriting {

class SurroundEffect : public Effect {

public:

  SurroundEffect(Array<Word*>& words, 
         double startTime, double duration = 100.0,
         bool startPaused = true, 
         const Vector3& initialPosition = Vector3(0,0,0), 
         float speed = 0.1f, 
         const Vector3& range = Vector3(2, 2, 2),
         bool collapse = false,
         double collapseDuration = 10.0,
         const Vector3& collapseTarget = Vector3(0, 0, 0));

  SurroundEffect(Word* words, 
         double startTime, double duration = 100.0,
         bool startPaused = true, 
         const Vector3& initialPosition = Vector3(0,0,0), 
         float speed = 0.1f, 
         const Vector3& range = Vector3(2, 2, 2),
         bool collapse = false,
         double collapseDuration = 10.0,
         const Vector3& collapseTarget = Vector3(0, 0, 0));


  static SurroundEffect* fromXML(xercesc::DOMElement * node, bool startPaused = true); 
  virtual ~SurroundEffect();

  virtual void animate(); 

  static void stopAll(); 
  static SurroundEffect * createDefaultSurroundEffect(Word * word); 
protected:
  float _speed;
  Vector3 _positionOffset;
  Vector3 _range; 
  bool _firstTime;
  bool _collapse;
  float _collapseDuration;
  float _collapseStartTime;
  Vector3 _collapseTarget; 
  
  void setupOffsets(const Vector3& firstCalculatedPos, const Vector3& curPosition);

  void doGrabHack(double frac); 

  static bool _stopAll; 

  int _framesSinceCreation; 
private:
};

}

#endif

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