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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
// 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) 2008-2018 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_SEPARATINGAXES_H
#define GU_SEPARATINGAXES_H
#include "foundation/PxVec3.h"
#include "PxPhysXCommonConfig.h"
namespace physx
{
namespace Gu
{
// PT: this is a number of axes. Multiply by sizeof(PxVec3) for size in bytes.
#define SEP_AXIS_FIXED_MEMORY 256
// This class holds a list of potential separating axes.
// - the orientation is irrelevant so V and -V should be the same vector
// - the scale is irrelevant so V and n*V should be the same vector
// - a given separating axis should appear only once in the class
#if PX_VC
#pragma warning(push)
#pragma warning( disable : 4251 ) // class needs to have dll-interface to be used by clients of class
#endif
class PX_PHYSX_COMMON_API SeparatingAxes
{
public:
PX_INLINE SeparatingAxes() : mNbAxes(0) {}
bool addAxis(const PxVec3& axis);
PX_FORCE_INLINE const PxVec3* getAxes() const
{
return mAxes;
}
PX_FORCE_INLINE PxU32 getNumAxes() const
{
return mNbAxes;
}
PX_FORCE_INLINE void reset()
{
mNbAxes = 0;
}
private:
PxU32 mNbAxes;
PxVec3 mAxes[SEP_AXIS_FIXED_MEMORY];
};
#if PX_VC
#pragma warning(pop)
#endif
enum PxcSepAxisType
{
SA_NORMAL0, // Normal of object 0
SA_NORMAL1, // Normal of object 1
SA_EE // Cross product of edges
};
}
}
#endif
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