134 lines
4.2 KiB
C++
134 lines
4.2 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_TRIANGLEMESH_GEOMETRY
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#define PX_PHYSICS_NX_TRIANGLEMESH_GEOMETRY
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/** \addtogroup geomutils
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@{
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*/
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#include "geometry/PxGeometry.h"
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#include "geometry/PxMeshScale.h"
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#include "common/PxCoreUtilityTypes.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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class PxTriangleMesh;
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/**
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\brief Some flags to control the simulated behavior of the mesh geometry.
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Used in ::PxMeshGeometryFlags.
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*/
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struct PxMeshGeometryFlag
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{
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enum Enum
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{
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eDOUBLE_SIDED = (1<<1) //!< The mesh is double-sided. This is currently only used for raycasting.
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};
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};
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/**
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\brief collection of set bits defined in PxMeshGeometryFlag.
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@see PxMeshGeometryFlag
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*/
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typedef PxFlags<PxMeshGeometryFlag::Enum,PxU8> PxMeshGeometryFlags;
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PX_FLAGS_OPERATORS(PxMeshGeometryFlag::Enum,PxU8);
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/**
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\brief Triangle mesh geometry class.
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This class unifies a mesh object with a scaling transform, and
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lets the combined object be used anywhere a PxGeometry is needed.
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The scaling is a transform along arbitrary axes contained in the scale object.
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The vertices of the mesh in geometry (or shape) space is the
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PxMeshScale::toMat33() transform, multiplied by the vertex space vertices
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in the PxConvexMesh object.
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*/
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class PxTriangleMeshGeometry : public PxGeometry
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{
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public:
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PX_INLINE PxTriangleMeshGeometry() :
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PxGeometry(PxGeometryType::eTRIANGLEMESH),
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triangleMesh(NULL)
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{ }
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PX_INLINE PxTriangleMeshGeometry(PxTriangleMesh* mesh,
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const PxMeshScale& scaling = PxMeshScale(),
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PxMeshGeometryFlags flags = PxMeshGeometryFlags()) :
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PxGeometry(PxGeometryType::eTRIANGLEMESH),
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scale(scaling),
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meshFlags(flags),
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triangleMesh(mesh)
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{ }
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/**
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\brief Returns true if the geometry 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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public:
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PxMeshScale scale; //!< The scaling transformation.
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PxMeshGeometryFlags meshFlags; //!< Some flags to control the simulated behavior of the mesh geometry.
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PxPadding<3> paddingFromFlags; //!< padding for mesh flags
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PxTriangleMesh* triangleMesh; //!< A reference to the mesh object.
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};
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PX_INLINE bool PxTriangleMeshGeometry::isValid() const
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{
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if (mType != PxGeometryType::eTRIANGLEMESH)
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return false;
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if (!scale.scale.isFinite() || !scale.rotation.isUnit())
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return false;
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if (scale.scale.x <= 0.0f || scale.scale.y <= 0.0f || scale.scale.z <= 0.0f)
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return false;
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if (!triangleMesh)
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return false;
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return true;
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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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