StratumPlane.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_StratumPlane_h__
#define __terrain_StratumPlane_h__
namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Flat Elevation

    @ingroup terrain
*//***************************************************************************/
class FE_DL_EXPORT StratumPlane: virtual public StratumBase
{
    public:
                        StratumPlane(void):
                                m_time(0.0f)                                {}
virtual                 ~StratumPlane(void)                                 {}

                        //* As StratumI
virtual void            setTime(Real time)              { m_time=time; }

virtual Real            height(Real x,Real y) const     { return offset(); }
virtual SpatialVector   normal(Real x,Real y) const
                        {   return SpatialVector(0.0f,0.0f,1.0f); }

virtual void            sample(Real startx,Real starty,Real incx,Real incy,
                                U32 vertx,U32 verty,
                                SpatialVector* pVertex,SpatialVector* pNormal);

    protected:
        Real            m_time;
};

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

#endif /* __terrain_StratumPlane_h__ */