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rdLine.h

// rdLine.h
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Copyright 2002 Realistic Dynamics, Inc.
// All rights reserved.
//
// Please do not read, copy, distribute, or use without permission.
// Contact: Frank C. Anderson, fca@RealisticDynamics.com
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#ifndef __rdLine_h__
#define __rdLine_h__

// INCLUDES
#include "rdTools.h"
#include "rdObject.h"

//=============================================================================
//=============================================================================
class RDTOOLS_API rdLine : public rdObject
{
//=============================================================================
// DATA
//=============================================================================
private:
   double _point[3];
   double _direction[3];

//=============================================================================
// METHODS
//=============================================================================
public:
   //--------------------------------------------------------------------------
   // CONSTRUCTION
   //--------------------------------------------------------------------------
   rdLine(double aP0X,double aP0Y,double aP0Z,
      double aP2X,double aP2Y,double aP2Z);
   rdLine(double aPX,double aPY,double aPZ,const double aDirection[3]);
   virtual ~rdLine();
private:
   void setNull();

   //--------------------------------------------------------------------------
   // GET AND SET
   //--------------------------------------------------------------------------
public:
   void setPoint(double aPX,double aPY,double aPZ);
   void getPoint(double rPoint[3]) const;
   void setDirection(const double aDirection[3]);
   void getDirection(double rDirection[3]) const;

   //--------------------------------------------------------------------------
   // ANALYTIC GEOMETRY
   //--------------------------------------------------------------------------
   void evaluate(double aDistance,double rLineValue[3]) const;

//=============================================================================
}; // END class rdLine
//=============================================================================
//=============================================================================

#endif  // __rdLine_h__

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