genesis-3d_engine/Engine/ExtIncludes/physX3/windows/geometry/PxConvexMeshGeometry.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

124 lines
3.8 KiB
C++

// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
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// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
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// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
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// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
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//
// 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
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// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
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// NVIDIA Corporation.
//
// Copyright (c) 2008-2013 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_PHYSICS_NX_CONVEXMESH_GEOMETRY
#define PX_PHYSICS_NX_CONVEXMESH_GEOMETRY
/** \addtogroup geomutils
@{
*/
#include "geometry/PxGeometry.h"
#include "geometry/PxMeshScale.h"
#ifndef PX_DOXYGEN
namespace physx
{
#endif
class PxConvexMesh;
/**
\brief Convex mesh geometry class.
This class unifies a convex mesh object with a scaling transform, and
lets the combined object be used anywhere a PxGeometry is needed.
The scaling is a transform along arbitrary axes contained in the scale object.
The vertices of the mesh in geometry (or shape) space is the
PxMeshScale::toMat33() transform, multiplied by the vertex space vertices
in the PxConvexMesh object.
*/
class PxConvexMeshGeometry : public PxGeometry
{
public:
/**
\brief Default constructor.
Creates an empty object with a NULL mesh and identity scale.
*/
PX_INLINE PxConvexMeshGeometry() :
PxGeometry(PxGeometryType::eCONVEXMESH),
scale(PxMeshScale::createIdentity()),
convexMesh(NULL)
{}
/**
\brief Constructor.
\param[in] mesh The Mesh pointer. May be NULL, though this will not make the object valid for shape construction.
\param[in] scaling The scale factor.
\
*/
PX_INLINE PxConvexMeshGeometry(PxConvexMesh* mesh,
const PxMeshScale& scaling = PxMeshScale()) :
PxGeometry(PxGeometryType::eCONVEXMESH),
scale(scaling),
convexMesh(mesh)
{}
/**
\brief Returns true if the geometry is valid.
\return True if the current settings are valid for shape creation.
*/
PX_INLINE bool isValid() const;
public:
/**
\brief Scale factor that transforms from vertex space to shape space.
*/
PxMeshScale scale;
/**
\brief The mesh data in vertex space.
*/
PxConvexMesh* convexMesh;
};
PX_INLINE bool PxConvexMeshGeometry::isValid() const
{
if (mType != PxGeometryType::eCONVEXMESH)
return false;
if (!scale.scale.isFinite() || !scale.rotation.isUnit())
return false;
if (scale.scale.x <= 0.0f || scale.scale.y <= 0.0f || scale.scale.z <= 0.0f)
return false;
if (!convexMesh)
return false;
return true;
}
#ifndef PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif