text: //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions
  // are met:
  //  * Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //  * Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in the
  //    documentation and/or other materials provided with the distribution.
  //  * Neither the name of NVIDIA CORPORATION nor the names of its
  //    contributors may be used to endorse or promote products derived
  //    from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  // PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
  // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
  // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
  #ifndef PT_DYNAMICS_PARAMETER_H
  #define PT_DYNAMICS_PARAMETER_H
  
  #include "PxPhysXConfig.h"
  #if PX_USE_PARTICLE_SYSTEM_API
  
  namespace physx
  {
  
  namespace Pt
  {
  
  struct SphUpdateType
  {
  	enum Enum
  	{
  		DENSITY,
  		FORCE,
  		EXIT
  	};
  };
  
  struct DynamicsParameters
  {
  	PxReal selfDensity;
  	PxReal particleMassStd;
  	PxReal cellSize;
  	PxReal cellSizeInv;
  
  	PxReal cellSizeSq;
  	PxReal packetSize;
  	PxReal radiusStd;
  	PxReal radiusSqStd;
  
  	PxReal densityMultiplierStd;
  	PxReal stiffMulPressureMultiplierStd;
  	PxReal viscosityMultiplierStd;
  	PxReal initialDensity;
  
  	PxReal scaleToStd;
  	PxReal scaleSqToStd;
  	PxReal scaleToWorld;
  	PxReal densityNormalizationFactor;
  
  	PxU32 packetMultLog;
  	PxU32 pad[3];
  };
  
  PX_COMPILE_TIME_ASSERT(sizeof(DynamicsParameters) % 16 == 0);
  
  } // namespace Pt
  } // namespace physx
  
  #endif // PX_USE_PARTICLE_SYSTEM_API
  #endif // PT_DYNAMICS_PARAMETER_H
  