75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
// 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_GJKUTIL_H
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#define GU_GJKUTIL_H
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#include "foundation/PxVecMath.h"
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/*
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This file is used to avoid the inner loop cross DLL calls
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*/
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namespace physx
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{
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namespace Gu
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{
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enum GjkStatus
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{
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GJK_NON_INTERSECT, // two shapes doesn't intersect
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GJK_CLOSE, // two shapes doesn't intersect and gjk algorithm will return closest point information
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GJK_CONTACT, // two shapes overlap within margin
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GJK_UNDEFINED, // undefined status
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GJK_DEGENERATE, // gjk can't converge
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EPA_CONTACT, // two shapes intersect
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EPA_DEGENERATE, // epa can't converge
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EPA_FAIL // epa fail to construct an initial polygon to work with
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};
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struct GjkOutput
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{
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public:
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GjkOutput()
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{
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using namespace aos;
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closestA = closestB = normal = V3Zero();
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penDep = FZero();
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}
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aos::Vec3V closestA;
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aos::Vec3V closestB;
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aos::Vec3V normal;
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aos::Vec3V searchDir;
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aos::FloatV penDep;
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};
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}//Gu
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}//physx
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#endif
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