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rdSprings.h

// rdSprings.h
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Copyright 2000 Realistic Dynamics, Inc.
// All rights reserved.
//
// CONFIDENTIAL
//
// The material contain within this file is the sole property of
// Realistic Dynamics, Inc., and may not be read, copied, or distributed
// without the expressed writen consent of Realistic Dynamics, Inc.
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#ifndef __rdSprings_h__
#define __rdSprings_h__


// INCLUDES
#include "rdModel.h"


//=============================================================================
//=============================================================================
class RDSIMULATION_API rdSprings  
{

//=============================================================================
// DATA
//=============================================================================
private:

//=============================================================================
// METHODS
//=============================================================================
public:
   rdSprings();
   virtual ~rdSprings();

   //--------------------------------------------------------------------------
   // SPRINGS
   //--------------------------------------------------------------------------
   static double Damp(double kv,double v);
   static double Linear(double kx,double dx);
   static double Linear(double kx,double x0,double x);
   static double DampedLinear(double kv,double v,double kx,double x0,double x);
   static double ZeroForDampedLinear(double kv,double v,double kx,double x,
                  double f);
   static double DisplacementOfDampedLinear(double kv,double v,double kx,double f);
   static double Quadratic(double kx,double dx);
   static double Quadratic(double kx,double x0,double x);
   static double DampedQuadratic(double kv,double v,double kx,double dx);
   static double DampedQuadratic(double kv,double v,double kx,double x0,double x);
   static double ExponentialBarrier(double v,double dx);
   static double ExponentialBarrier(double aG0,double aG1,double aG2,
                  double aE0,double aE1,double aE2,
                  double aKV,double aV,double aDX);
   static double ExponentialBarrierDX(double v,double dx);
   static double ExponentialBarrierDX(double aG0,double aG1,double aG2,
                  double aE0,double aE1,double aE2,
                  double aKV,double aV,double aDX);
   static double ExponentialBarrierDV(double v,double dx);
   static double ExponentialBarrierDV(double aG0,double aG1,double aG2,
                  double aE0,double aE1,double aE2,
                  double aKV,double aV,double aDX);
   static double oscillation(double delay,double t,double f);

//=============================================================================
}; // END class rdSprings
//=============================================================================
//=============================================================================


#endif //__rdSprings_h__

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