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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h')
| -rw-r--r-- | PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h b/PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h new file mode 100644 index 00000000..559dc2f9 --- /dev/null +++ b/PhysX_3.4/Source/PhysXCooking/src/convex/VolumeIntegration.h @@ -0,0 +1,102 @@ +// 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_FOUNDATION_NXVOLUMEINTEGRATION +#define PX_FOUNDATION_NXVOLUMEINTEGRATION +/** \addtogroup foundation + @{ +*/ + + +#include "foundation/Px.h" +#include "foundation/PxVec3.h" +#include "foundation/PxMat33.h" +#include "CmPhysXCommon.h" + +namespace physx +{ + +class PxSimpleTriangleMesh; +class PxConvexMeshDesc; + +/** +\brief Data structure used to store mass properties. +*/ +struct PxIntegrals + { + PxVec3 COM; //!< Center of mass + PxF64 mass; //!< Total mass + PxF64 inertiaTensor[3][3]; //!< Inertia tensor (mass matrix) relative to the origin + PxF64 COMInertiaTensor[3][3]; //!< Inertia tensor (mass matrix) relative to the COM + + /** + \brief Retrieve the inertia tensor relative to the center of mass. + + \param inertia Inertia tensor. + */ + void getInertia(PxMat33& inertia) + { + for(PxU32 j=0;j<3;j++) + { + for(PxU32 i=0;i<3;i++) + { + inertia(i,j) = PxF32(COMInertiaTensor[i][j]); + } + } + } + + /** + \brief Retrieve the inertia tensor relative to the origin. + + \param inertia Inertia tensor. + */ + void getOriginInertia(PxMat33& inertia) + { + for(PxU32 j=0;j<3;j++) + { + for(PxU32 i=0;i<3;i++) + { + inertia(i,j) = PxF32(inertiaTensor[i][j]); + } + } + } + }; + + bool computeVolumeIntegrals(const PxSimpleTriangleMesh& mesh, PxReal density, PxIntegrals& integrals); + + // specialized method taking polygons directly, so we don't need to compute and store triangles for each polygon + bool computeVolumeIntegralsEberly(const PxConvexMeshDesc& mesh, PxReal density, PxIntegrals& integrals, const PxVec3& origin); // Eberly simplified method + + // specialized method taking polygons directly, so we don't need to compute and store triangles for each polygon, SIMD version + bool computeVolumeIntegralsEberlySIMD(const PxConvexMeshDesc& mesh, PxReal density, PxIntegrals& integrals, const PxVec3& origin); // Eberly simplified method +} + + /** @} */ +#endif |