124 lines
3.8 KiB
C++
124 lines
3.8 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_CONVEXMESH_GEOMETRY
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#define PX_PHYSICS_NX_CONVEXMESH_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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#ifndef PX_DOXYGEN
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namespace physx
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{
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#endif
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class PxConvexMesh;
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/**
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\brief Convex mesh geometry class.
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This class unifies a convex 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 PxConvexMeshGeometry : public PxGeometry
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{
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public:
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/**
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\brief Default constructor.
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Creates an empty object with a NULL mesh and identity scale.
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*/
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PX_INLINE PxConvexMeshGeometry() :
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PxGeometry(PxGeometryType::eCONVEXMESH),
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scale(PxMeshScale::createIdentity()),
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convexMesh(NULL)
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{}
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/**
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\brief Constructor.
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\param[in] mesh The Mesh pointer. May be NULL, though this will not make the object valid for shape construction.
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\param[in] scaling The scale factor.
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\
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*/
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PX_INLINE PxConvexMeshGeometry(PxConvexMesh* mesh,
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const PxMeshScale& scaling = PxMeshScale()) :
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PxGeometry(PxGeometryType::eCONVEXMESH),
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scale(scaling),
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convexMesh(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 for shape creation.
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*/
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PX_INLINE bool isValid() const;
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public:
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/**
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\brief Scale factor that transforms from vertex space to shape space.
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*/
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PxMeshScale scale;
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/**
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\brief The mesh data in vertex space.
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*/
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PxConvexMesh* convexMesh;
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};
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PX_INLINE bool PxConvexMeshGeometry::isValid() const
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{
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if (mType != PxGeometryType::eCONVEXMESH)
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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 (!convexMesh)
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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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