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rdPlane.h

// rdPlane.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 __rdPlane_h__
#define __rdPlane_h__

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

class rdLine;

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

//=============================================================================
// METHODS
//=============================================================================
public:
   //--------------------------------------------------------------------------
   // CONSTRUCTION
   //--------------------------------------------------------------------------
   rdPlane(double aPX,double aPY,double aPZ,
      double aP2X,double aP2Y,double aP2Z,
      double aP3X,double aP3Y,double aP3Z);
   rdPlane(double aPX,double aPY,double aPZ,const double aNormal[3]);
   virtual ~rdPlane();
private:
   void setNull();

   //--------------------------------------------------------------------------
   // GET AND SET
   //--------------------------------------------------------------------------
public:
   void setPoint(double aPX,double aPY,double aPZ);
   void getPoint(double rPoint[3]) const;
   void setNormal(const double aNormal[3]);
   void getNormal(double rNormal[3]) const;

   //--------------------------------------------------------------------------
   // ANALYTIC GEOMETRY
   //--------------------------------------------------------------------------
   int computeIntersection(const rdLine *aLine,double rPoint[3]) const;

//=============================================================================
}; // END class rdPlane
//=============================================================================
//=============================================================================

#endif  // __rdPlane_h__

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