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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/Include/geometry/PxHeightFieldFlag.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/Include/geometry/PxHeightFieldFlag.h')
| -rw-r--r-- | PhysX_3.4/Include/geometry/PxHeightFieldFlag.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/PhysX_3.4/Include/geometry/PxHeightFieldFlag.h b/PhysX_3.4/Include/geometry/PxHeightFieldFlag.h new file mode 100644 index 00000000..b406d0ca --- /dev/null +++ b/PhysX_3.4/Include/geometry/PxHeightFieldFlag.h @@ -0,0 +1,162 @@ +// 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_COLLISION_NXHEIGHTFIELDFLAG +#define PX_COLLISION_NXHEIGHTFIELDFLAG +/** \addtogroup geomutils +@{ +*/ + +#include "foundation/PxFlags.h" + +#if !PX_DOXYGEN +namespace physx +{ +#endif + +/** +\brief Describes the format of height field samples. +@see PxHeightFieldDesc.format PxHeightFieldDesc.samples +*/ +struct PxHeightFieldFormat +{ + enum Enum + { + /** + \brief Height field height data is 16 bit signed integers, followed by triangle materials. + + Each sample is 32 bits wide arranged as follows: + + \image html heightFieldFormat_S16_TM.png + + 1) First there is a 16 bit height value. + 2) Next, two one byte material indices, with the high bit of each byte reserved for special use. + (so the material index is only 7 bits). + The high bit of material0 is the tess-flag. + The high bit of material1 is reserved for future use. + + There are zero or more unused bytes before the next sample depending on PxHeightFieldDesc.sampleStride, + where the application may eventually keep its own data. + + This is the only format supported at the moment. + + @see PxHeightFieldDesc.format PxHeightFieldDesc.samples + */ + eS16_TM = (1 << 0) + }; +}; + +/** +\brief Determines the tessellation of height field cells. +@see PxHeightFieldDesc.format PxHeightFieldDesc.samples +*/ +struct PxHeightFieldTessFlag +{ + enum Enum + { + /** + \brief This flag determines which way each quad cell is subdivided. + + The flag lowered indicates subdivision like this: (the 0th vertex is referenced by only one triangle) + + \image html heightfieldTriMat2.PNG + + <pre> + +--+--+--+---> column + | /| /| /| + |/ |/ |/ | + +--+--+--+ + | /| /| /| + |/ |/ |/ | + +--+--+--+ + | + | + V row + </pre> + + The flag raised indicates subdivision like this: (the 0th vertex is shared by two triangles) + + \image html heightfieldTriMat1.PNG + + <pre> + +--+--+--+---> column + |\ |\ |\ | + | \| \| \| + +--+--+--+ + |\ |\ |\ | + | \| \| \| + +--+--+--+ + | + | + V row + </pre> + + @see PxHeightFieldDesc.format PxHeightFieldDesc.samples + */ + e0TH_VERTEX_SHARED = (1 << 0) + }; +}; + + +/** +\brief Enum with flag values to be used in PxHeightFieldDesc.flags. +*/ +struct PxHeightFieldFlag +{ + enum Enum + { + /** + \brief Disable collisions with height field with boundary edges. + + Raise this flag if several terrain patches are going to be placed adjacent to each other, + to avoid a bump when sliding across. + + This flag is ignored in contact generation with sphere and capsule shapes. + + @see PxHeightFieldDesc.flags + */ + eNO_BOUNDARY_EDGES = (1 << 0) + }; +}; + +/** +\brief collection of set bits defined in PxHeightFieldFlag. + +@see PxHeightFieldFlag +*/ +typedef PxFlags<PxHeightFieldFlag::Enum,PxU16> PxHeightFieldFlags; +PX_FLAGS_OPERATORS(PxHeightFieldFlag::Enum,PxU16) + +#if !PX_DOXYGEN +} // namespace physx +#endif + +/** @} */ +#endif |