PeelEffect.H

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/**************************************************************
 *  Name: Sascha Becker (sab)
 *  File: PeelEffect.H
 *  Asgn: cavewriting
 *  Date: Thu Dec 30 13:07:10 EST 2004
 **************************************************************/

#ifndef PeelEffect_Header
#define PeelEffect_Header

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

using namespace std;

namespace cavewriting {


class PeelEffect : public Effect {

public:

  PeelEffect(Array<Word*>& words, 
         double startTime, double duration = 100.0,
         const Vector3& goalPosition = Vector3(0,0,0), 
         double startYRotation = 0.0,
         double goalYRotation = 0.0,
         bool startPaused = true);
  static PeelEffect* fromXML(xercesc::DOMElement * node, bool startPaused = true); 
  virtual ~PeelEffect();

  virtual void animate(); 

  void setStartYRotation(double val) { _startYRotation = val; }
  void setGoalYRotation(double val) { _goalYRotation = val; }
  
  double getStartYRotation() { return _startYRotation; }
  double getGoalYRotation() { return _goalYRotation; }

  static void stopAll(); 

protected:
  Vector3 _goalPosition;

  double _goalYRotation; 
  double _startYRotation;

  Array<Vector3> _startPositions;
  bool _firstTime; 
  bool _hasBounced;
  void bounce();

  void firstTime();
  void moveWord();
  bool shouldBounce();
  bool shouldSurround();
  void startSurround();
  bool timesUp();
  bool invokeEndAction();
  bool collapseStarted(); 

  static bool _stopAll; 
private:
};
}

#endif

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