100 lines
4.5 KiB
C
100 lines
4.5 KiB
C
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// 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_DEFORMABLE_SKINNING_EXT_H
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#define PX_DEFORMABLE_SKINNING_EXT_H
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#include "PxDeformableSkinning.h"
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#include "foundation/PxVec3.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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struct PxCookingParams;
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class PxSimpleTriangleMesh;
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class PxInsertionCallback;
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/**
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\brief Utility functions for deformable surface and volume skinning
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*/
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class PxDeformableSkinningExt
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{
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public:
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/**
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\brief Initializes the interpolated vertices from guide vertices, normals, and triangles for deformable surface skinning
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This function calculates the skinning embedding information for a deformable surface mesh,
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where each embedded vertex is interpolated based on the surrounding guide vertices and triangles.
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\param[out] embeddingInfo A pointer to a PxTriangleMeshEmbeddingInfo object that will store the calculated embedding information. Must be of length numEmbeddedVertices
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\param[in] guideVertices A pointer to an array of guide vertices used for interpolation
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\param[in] guideNormals A pointer to an array of guide normals corresponding to the guide vertices
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\param[in] guideTriangles A pointer to an array of indices defining the guide triangles
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\param[in] nbGuideTriangles The number of guide triangles
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\param[in] embeddedVertices A pointer to an array of vertices that will be embedded and interpolated
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\param[in] nbEmbeddedVertices The number of embedded vertices
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\see PxTriangleMeshEmbeddingInfo
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*/
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static void initializeInterpolatedVertices(
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PxTriangleMeshEmbeddingInfo* embeddingInfo,
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const PxVec3* guideVertices, const PxVec3* guideNormals,
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const PxU32* guideTriangles, PxU32 nbGuideTriangles, const PxVec3* embeddedVertices,
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PxU32 nbEmbeddedVertices);
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/**
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\brief Initializes the interpolated vertices from guide vertices and tetrahedra for deformable volume skinning
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This function calculates the skinning embedding information for a deformable volume mesh,
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where each embedded vertex is interpolated based on the surrounding guide vertices and tetrahedra.
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\param[out] embeddingInfo A pointer to a PxTetrahedronMeshEmbeddingInfo object that will store the calculated embedding information. Must be of length numEmbeddedVertices
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\param[in] guideVertices A pointer to an array of guide vertices used for interpolation
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\param[in] guideTetrahedra A pointer to an array of indices defining the guide tetrahedra
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\param[in] nbGuideTetrahedra The number of guide tetrahedra
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\param[in] embeddedVertices A pointer to an array of vertices that will be embedded and interpolated
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\param[in] nbEmbeddedVertices The number of embedded vertices
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\see PxTetrahedronMeshEmbeddingInfo
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*/
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static void initializeInterpolatedVertices(
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PxTetrahedronMeshEmbeddingInfo* embeddingInfo,
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const PxVec3* guideVertices,
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const PxU32* guideTetrahedra, PxU32 nbGuideTetrahedra, const PxVec3* embeddedVertices,
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PxU32 nbEmbeddedVertices);
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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 // PX_DEFORMABLE_SKINNING_EXT_H
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