StrataI.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_StrataI_h__
#define __terrain_StrataI_h__
namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Layered environment delimited by surfaces

    @ingroup terrain

    TODO solid surface contacts
*//***************************************************************************/
class FE_DL_EXPORT StrataI: virtual public Component
{
    public:
virtual void            addStratum(sp<StratumI> spStratumI)                 =0;
virtual void            removeStratum(sp<StratumI> spStratumI)              =0;
virtual U32             numStratum(void)                                    =0;
virtual sp<StratumI>    stratum(U32 index)                                  =0;

virtual void            setTime(Real time)                                  =0;

                        /** @brief Discover the burdens of the world

                            Drag and  buoyancys are likely candidates. */
virtual void            calcInfluence(SpatialVector& rForce,Real radius,
                                SpatialVector center,
                                SpatialVector velocity)                     =0;

                        /// @brief Adjust location and velocity if colliding
virtual void            impact(SpatialVector& center,SpatialVector& velocity,
                                Real mass,Real radius,Real deltaT)          =0;
};

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

#endif /* __terrain_StrataI_h__ */