91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef GU_SEPARATINGAXES_H
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#define GU_SEPARATINGAXES_H
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#include "foundation/PxVec3.h"
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#include "common/PxPhysXCommonConfig.h"
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namespace physx
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{
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namespace Gu
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{
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// PT: this is a number of axes. Multiply by sizeof(PxVec3) for size in bytes.
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#define SEP_AXIS_FIXED_MEMORY 256
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// This class holds a list of potential separating axes.
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// - the orientation is irrelevant so V and -V should be the same vector
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// - the scale is irrelevant so V and n*V should be the same vector
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// - a given separating axis should appear only once in the class
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#if PX_VC
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#pragma warning(push)
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#pragma warning( disable : 4251 ) // class needs to have dll-interface to be used by clients of class
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#endif
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class SeparatingAxes
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{
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public:
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PX_INLINE SeparatingAxes() : mNbAxes(0) {}
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bool addAxis(const PxVec3& axis);
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PX_FORCE_INLINE const PxVec3* getAxes() const
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{
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return mAxes;
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}
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PX_FORCE_INLINE PxU32 getNumAxes() const
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{
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return mNbAxes;
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}
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PX_FORCE_INLINE void reset()
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{
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mNbAxes = 0;
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}
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private:
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PxU32 mNbAxes;
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PxVec3 mAxes[SEP_AXIS_FIXED_MEMORY];
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};
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#if PX_VC
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#pragma warning(pop)
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#endif
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enum PxcSepAxisType
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{
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SA_NORMAL0, // Normal of object 0
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SA_NORMAL1, // Normal of object 1
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SA_EE // Cross product of edges
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};
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}
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}
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#endif
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