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/*
* Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef __ATTRACTOR_FS_COMMON_SRC_H__
#define __ATTRACTOR_FS_COMMON_SRC_H__
#include "../../fieldsampler/include/FieldSamplerCommon.h"
namespace nvidia
{
namespace basicfs
{
//struct AttractorFSParams
#define INPLACE_TYPE_STRUCT_NAME AttractorFSParams
#define INPLACE_TYPE_STRUCT_FIELDS \
INPLACE_TYPE_FIELD(PxVec3, origin) \
INPLACE_TYPE_FIELD(float, radius) \
INPLACE_TYPE_FIELD(float, constFieldStrength) \
INPLACE_TYPE_FIELD(float, variableFieldStrength)
#include INPLACE_TYPE_BUILD()
PX_CUDA_CALLABLE PX_INLINE PxVec3 commonAttractorFSKernel(const AttractorFSParams& params, const PxVec3& pos)
{
PxVec3 dir = params.origin - pos;
PX_ASSERT(params.radius);
float dist = dir.magnitude() / params.radius;
float result = params.constFieldStrength;
if (dist >= 0.4)
{
result += params.variableFieldStrength / dist;
}
return result * dir.getNormalized();
}
PX_CUDA_CALLABLE PX_INLINE PxVec3 executeAttractorFS(const AttractorFSParams& params, const PxVec3& pos/*, uint32_t totalElapsedMS*/)
{
PxVec3 dir = params.origin - pos;
PX_ASSERT(params.radius);
float dist = dir.magnitude() / params.radius;
float result = params.constFieldStrength;
if (dist >= 0.4)
{
result += params.variableFieldStrength / dist;
}
return result * dir.getNormalized();
}
}
} // namespace nvidia
#endif
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