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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and 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.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2016 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 PX_CONVEXHULLLIB_H
#define PX_CONVEXHULLLIB_H
#include "PxConvexMeshDesc.h"
#include "PxCooking.h"
#include "CmPhysXCommon.h"
namespace physx
{
//////////////////////////////////////////////////////////////////////////
// base class for the convex hull libraries - inflation based and quickhull
class ConvexHullLib
{
PX_NOCOPY(ConvexHullLib)
public:
// functions
ConvexHullLib(const PxConvexMeshDesc& desc, const PxCookingParams& params)
: mConvexMeshDesc(desc), mCookingParams(params), mSwappedIndices(NULL)
{
}
virtual ~ConvexHullLib();
// computes the convex hull from provided points
virtual PxConvexMeshCookingResult::Enum createConvexHull() = 0;
// fills the PxConvexMeshDesc with computed hull data
virtual void fillConvexMeshDesc(PxConvexMeshDesc& desc) = 0;
static const PxU32 gpuMaxVertsPerFace = 32;
protected:
// clean input vertices from duplicates, normalize etc.
bool cleanupVertices(PxU32 svcount, // input vertex count
const PxVec3* svertices, // vertices
PxU32 stride, // stride
PxU32& vcount, // output number of vertices
PxVec3* vertices, // location to store the results.
PxVec3& scale, // scale
PxVec3& center); // center
void swapLargestFace(PxConvexMeshDesc& desc);
protected:
const PxConvexMeshDesc& mConvexMeshDesc;
const PxCookingParams& mCookingParams;
PxU32* mSwappedIndices;
};
}
#endif
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