StratumRamp.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __terrain_StratumRamp_h__
#define __terrain_StratumRamp_h__
namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Elevation of a slant

    @ingroup terrain

    y=x
*//***************************************************************************/
class FE_DL_EXPORT StratumRamp: public StratumPlane
{
    public:
                        StratumRamp(void)                                   {}
virtual                 ~StratumRamp(void)                                  {}

                        //* As StratumI
virtual Real            height(Real x,Real y) const     { return offset()+x; }
virtual SpatialVector   normal(Real x,Real y) const
                        {   return SpatialVector(-0.707f,0.707f,0.0f); }
};

} /* namespace ext */
} /* namespace fe */

#endif /* __terrain_StratumRamp_h__ */