94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 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_DENSE_GRID_DATA_H
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#define PX_DENSE_GRID_DATA_H
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#include "foundation/PxSimpleTypes.h"
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#include "foundation/PxVec4.h"
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#include "PxSparseGridParams.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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/**
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\brief Descriptor for axis aligned dense grids
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*/
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struct PxDenseGridParams
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{
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PxVec3 origin; //!< The origin of the dense grid which is the corner with smallest x/y/z coordinates
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PxU32 numCellsX; //!< The number of cells in x direction
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PxU32 numCellsY; //!< The number of cells in y direction
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PxU32 numCellsZ; //!< The number of cells in z direction
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PxReal gridSpacing; //!< The cell size
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PxDenseGridParams() : origin(PxVec3(0.0f)), numCellsX(0), numCellsY(0), numCellsZ(0), gridSpacing(0) {}
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PxDenseGridParams(const PxVec3& origin_, PxU32 numCellsX_, PxU32 numCellsY_, PxU32 numCellsZ_, PxReal gridSpacing_)
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: origin(origin_), numCellsX(numCellsX_), numCellsY(numCellsY_), numCellsZ(numCellsZ_), gridSpacing(gridSpacing_) {}
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};
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/**
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\brief Minimal set of data to access cells in a dense grid
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*/
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struct PxDenseGridData
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{
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PxDenseGridParams mGridParams; //!< The grid descriptor
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PxDenseGridData() : mGridParams() {}
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/**
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\brief The number of cells in the dense grid
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\return The number of cells
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*/
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PX_FORCE_INLINE PX_CUDA_CALLABLE PxU32 maxNumCells()
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{
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return mGridParams.numCellsX * mGridParams.numCellsY * mGridParams.numCellsZ;
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}
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/**
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\brief The dense grid's cell size
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\return The cell size
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*/
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PX_FORCE_INLINE PX_CUDA_CALLABLE PxReal getCellSize()
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{
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return mGridParams.gridSpacing;
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}
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};
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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#endif
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