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authorgit perforce import user <a@b>2016-10-25 12:29:14 -0600
committerSheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees>2016-10-25 18:56:37 -0500
commit3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch)
treefa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Include/geometry/PxTriangleMeshGeometry.h
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Initial commit:
PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @ 21275617 [CL 21300167]
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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_PHYSICS_NX_TRIANGLEMESH_GEOMETRY
+#define PX_PHYSICS_NX_TRIANGLEMESH_GEOMETRY
+/** \addtogroup geomutils
+@{
+*/
+#include "geometry/PxGeometry.h"
+#include "geometry/PxMeshScale.h"
+#include "common/PxCoreUtilityTypes.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+class PxTriangleMesh;
+
+
+/**
+\brief Flags controlling the simulated behavior of the triangle mesh geometry.
+
+Used in ::PxMeshGeometryFlags.
+*/
+struct PxMeshGeometryFlag
+{
+ enum Enum
+ {
+ eDOUBLE_SIDED = (1<<1) //!< Meshes with this flag set are treated as double-sided.
+ //!< This flag is currently only used for raycasts and sweeps (it is ignored for overlap queries).
+ //!< For detailed specifications of this flag for meshes and heightfields please refer to the Geometry Query section of the user guide.
+ };
+};
+
+/**
+\brief collection of set bits defined in PxMeshGeometryFlag.
+
+@see PxMeshGeometryFlag
+*/
+typedef PxFlags<PxMeshGeometryFlag::Enum,PxU8> PxMeshGeometryFlags;
+PX_FLAGS_OPERATORS(PxMeshGeometryFlag::Enum,PxU8)
+
+/**
+\brief Triangle mesh geometry class.
+
+This class unifies a 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 PxTriangleMeshGeometry : public PxGeometry
+{
+public:
+ /**
+ \brief Default constructor.
+
+ Creates an empty object with a NULL mesh and identity scale.
+ */
+ PX_INLINE PxTriangleMeshGeometry() :
+ PxGeometry (PxGeometryType::eTRIANGLEMESH),
+ triangleMesh(NULL)
+ {}
+
+ /**
+ \brief Constructor.
+ \param[in] mesh Mesh pointer. May be NULL, though this will not make the object valid for shape construction.
+ \param[in] scaling Scale factor.
+ \param[in] flags Mesh flags.
+ \
+ */
+ PX_INLINE PxTriangleMeshGeometry( PxTriangleMesh* mesh,
+ const PxMeshScale& scaling = PxMeshScale(),
+ PxMeshGeometryFlags flags = PxMeshGeometryFlags()) :
+ PxGeometry (PxGeometryType::eTRIANGLEMESH),
+ scale (scaling),
+ meshFlags (flags),
+ triangleMesh(mesh)
+ {}
+
+ /**
+ \brief Returns true if the geometry is valid.
+
+ \return True if the current settings are valid for shape creation.
+
+ \note A valid triangle mesh has a positive scale value in each direction (scale.scale.x > 0, scale.scale.y > 0, scale.scale.z > 0).
+ It is illegal to call PxRigidActor::createShape and PxPhysics::createShape with a triangle mesh that has zero extents in any direction.
+
+ @see PxRigidActor::createShape, PxPhysics::createShape
+ */
+ PX_INLINE bool isValid() const;
+
+public:
+ PxMeshScale scale; //!< The scaling transformation.
+ PxMeshGeometryFlags meshFlags; //!< Mesh flags.
+ PxPadding<3> paddingFromFlags; //!< padding for mesh flags
+ PxTriangleMesh* triangleMesh; //!< A reference to the mesh object.
+};
+
+
+PX_INLINE bool PxTriangleMeshGeometry::isValid() const
+{
+ if(mType != PxGeometryType::eTRIANGLEMESH)
+ return false;
+ if(!scale.scale.isFinite() || !scale.rotation.isUnit())
+ return false;
+ if(!scale.isValidForTriangleMesh())
+ return false;
+ if(!triangleMesh)
+ return false;
+
+ return true;
+}
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+/** @} */
+#endif