GRK/dependencies/physx-4.1/source/geomutils/include/GuDistanceSegmentSegment.h
secret_dude a7bd7ecb75 master
2022-01-12 16:07:16 +01:00

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//
// 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
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// 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
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// 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 GU_DISTANCE_SEGMENT_SEGMENT_H
#define GU_DISTANCE_SEGMENT_SEGMENT_H
#include "common/PxPhysXCommonConfig.h"
#include "GuSegment.h"
namespace physx
{
namespace Gu
{
// This version fixes accuracy issues (e.g. TTP 4617), but needs to do 2 square roots in order
// to find the normalized direction and length of the segments, and then
// a division in order to renormalize the output
PX_PHYSX_COMMON_API PxReal distanceSegmentSegmentSquared( const PxVec3& origin0, const PxVec3& dir0, PxReal extent0,
const PxVec3& origin1, const PxVec3& dir1, PxReal extent1,
PxReal* s=NULL, PxReal* t=NULL);
PX_PHYSX_COMMON_API PxReal distanceSegmentSegmentSquared( const PxVec3& origin0, const PxVec3& extent0,
const PxVec3& origin1, const PxVec3& extent1,
PxReal* s=NULL, PxReal* t=NULL);
PX_FORCE_INLINE PxReal distanceSegmentSegmentSquared( const Gu::Segment& segment0,
const Gu::Segment& segment1,
PxReal* s=NULL, PxReal* t=NULL)
{
return distanceSegmentSegmentSquared( segment0.p0, segment0.computeDirection(),
segment1.p0, segment1.computeDirection(),
s, t);
}
} // namespace Gu
}
#endif