collision.h

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/*******************************************************************************
** Copyright (c) 2004 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: collision.h,v $ $Revision: 1.9 $ $State: Exp $
*******************************************************************************/
#ifndef collision_H_
#define collision_H_


#include <matrix/vlVector.h>
#include "vrfobjcore/vrfObjMgr.h"

class DtString;

#include "vrfobjcore/vrfobjcoreDefines.h"

enum DtCollisionObjectType
   {
      DtEntityCollisionType = 0,
      DtVectorCollisionType = 1, 
      DtFeatureCollisionType= 2
   };

class DT_DLL_vrfobjcore DtCollision
{

public:

   DtCollision();

   virtual ~DtCollision();

private:
   DtCollision(const DtCollision& original);
   DtCollision& operator=(const DtCollision& original);

public:
   
   virtual bool operator==(const DtCollision& other) const = 0;
   virtual bool operator!=(const DtCollision& other) const = 0;

   virtual bool valid() const = 0;

   virtual DtCollisionObjectType collisionType() const = 0;

   virtual void setObstructionEntityID(const DtEntityIdentifier& entityID) = 0;
   virtual DtEntityIdentifier obstructionEntityID() const = 0;

   virtual DtVector obstructionLocation() const = 0;
   
   virtual DtVector obstructionVelocity() const = 0;

   virtual bool intersectsPoint(const DtVector& localPosition) const = 0;

   virtual Dt3dBoundingVolume& obstructionBoundingVolume() = 0;
   virtual const Dt3dBoundingVolume& obstructionBoundingVolume() const = 0;
   
   virtual void setDistanceSquared(double distanceSquared) = 0;
   virtual double distanceSquared() const = 0;

   virtual const DtDcm& obstructionLocalOrientationMatrix() const = 0;

   virtual bool testInvariant() const = 0;

protected:
};

#endif