163 lines
4.6 KiB
C++
163 lines
4.6 KiB
C++
// This code contains NVIDIA Confidential Information and is disclosed to you
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// under a form of NVIDIA software license agreement provided separately to you.
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//
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// Notice
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// NVIDIA Corporation and its licensors retain all intellectual property and
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// proprietary rights in and to this software and related documentation and
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// any modifications thereto. Any use, reproduction, disclosure, or
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// distribution of this software and related documentation without an express
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// license agreement from NVIDIA Corporation is strictly prohibited.
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//
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// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
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// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
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// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
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// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// Information and code furnished is believed to be accurate and reliable.
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// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
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// information or for any infringement of patents or other rights of third parties that may
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// result from its use. No license is granted by implication or otherwise under any patent
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// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
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// This code supersedes and replaces all information previously supplied.
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// NVIDIA Corporation products are not authorized for use as critical
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// components in life support devices or systems without express written approval of
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// NVIDIA Corporation.
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//
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// Copyright (c) 2008-2013 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 PX_PHYSICS_NX_CLOTHMESHDESC
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#define PX_PHYSICS_NX_CLOTHMESHDESC
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/** \addtogroup cooking
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@{
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*/
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#include "common/PxPhysXCommon.h"
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#include "foundation/PxVec3.h"
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#include "foundation/PxFlags.h"
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#include "common/PxCoreUtilityTypes.h"
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#include "geometry/PxSimpleTriangleMesh.h"
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#ifndef PX_DOXYGEN
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namespace physx
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{
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#endif
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/**
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\brief Flags which describe how cooking should treat a cloth mesh edge
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*/
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struct PxClothMeshEdgeFlag
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{
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enum Enum
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{
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eQUAD_DIAGONAL = (1<<0) //!< The edge was only added to convert a quad into triangles (marking these edges allows to reconstruct quads)
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};
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};
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typedef PxFlags<PxClothMeshEdgeFlag::Enum,PxU32> PxClothMeshEdgeFlags;
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PX_FLAGS_OPERATORS(PxClothMeshEdgeFlag::Enum, PxU32);
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/**
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\brief Flags which describe how cooking should treat a cloth mesh vertex
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*/
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struct PxClothMeshVertFlag
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{
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enum Enum
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{
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eVF_ATTACHED = (1<<0) //!< The vertex is attached, so the cooker should take the constraint into account.
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};
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};
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typedef PxFlags<PxClothMeshVertFlag::Enum,PxU32> PxClothMeshVertFlags;
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PX_FLAGS_OPERATORS(PxClothMeshVertFlag::Enum, PxU32);
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/**
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\brief Descriptor class for a cloth mesh.
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@see PxCooking.cookClothMesh()
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*/
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class PxClothMeshDesc : public PxSimpleTriangleMesh
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{
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public:
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/**
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\brief Edge flags for cooking.
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Information about mesh edge properties can be provided if available. The flags are stored as triples, a triple for each triangle.
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A flag triple is interpreted as follows:
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flag0 flag1 flag2
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for a triangle with vertex indices
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v0, v1, v2
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flag0 => edge v0-v1
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flag1 => edge v1-v2
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flag2 => edge v2-v0
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There are numTriangles*3 flags.
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If set to NULL, cooking will analyze the mesh and create the flags based on the direction of gravity and some heuristics.
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*/
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const PxClothMeshEdgeFlags* edgeFlags;
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/**
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\brief Vertex flags for cooking.
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Information about mesh vertex properties can be provided if available.
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The flags are assigned per each vertex, so the size of this array should be the same as
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number of particles in the mesh.
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If set to NULL, cooking will ignore this flag.
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*/
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const PxClothMeshVertFlags* vertFlags;
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/**
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\brief constructor sets to default.
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*/
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PX_INLINE PxClothMeshDesc();
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/**
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\brief (re)sets the structure to the default.
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*/
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PX_INLINE void setToDefault();
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/**
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\brief Returns true if the descriptor is valid.
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\return True if the current settings are valid
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*/
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PX_INLINE bool isValid() const;
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};
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PX_INLINE PxClothMeshDesc::PxClothMeshDesc() //constructor sets to default
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{
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PxSimpleTriangleMesh::setToDefault();
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edgeFlags = NULL;
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vertFlags = NULL;
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}
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PX_INLINE void PxClothMeshDesc::setToDefault()
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{
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*this = PxClothMeshDesc();
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}
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PX_INLINE bool PxClothMeshDesc::isValid() const
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{
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if(points.count < 3) //at least 1 trig's worth of points
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return false;
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if (!triangles.data) // no support for non-indexed mesh
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return false;
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return PxSimpleTriangleMesh::isValid();
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}
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#ifndef PX_DOXYGEN
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} // namespace physx
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#endif
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/** @} */
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#endif
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