96 lines
3.5 KiB
C++
96 lines
3.5 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) 2008-2023 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_PHYSICS_FEM_PARAMETER_H
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#define PX_PHYSICS_FEM_PARAMETER_H
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#include "foundation/PxSimpleTypes.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 Set of parameters to control the sleeping and collision behavior of FEM based objects
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*/
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struct PxFEMParameters
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{
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public:
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/**
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\brief Velocity damping value. After every timestep the velocity is reduced while the magnitude of the reduction depends on velocityDamping
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<b>Default:</b> 0.05
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*/
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PxReal velocityDamping;
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/**
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\brief Threshold that defines the maximal magnitude of the linear motion a fem body can move in one second before it becomes a candidate for sleeping
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<b>Default:</b> 0.1
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*/
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PxReal settlingThreshold;
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/**
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\brief Threshold that defines the maximal magnitude of the linear motion a fem body can move in one second such that it can go to sleep in the next frame
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<b>Default:</b> 0.05
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*/
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PxReal sleepThreshold;
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/**
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\brief Damping value that damps the motion of bodies that move slow enough to be candidates for sleeping (see settlingThreshold)
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<b>Default:</b> 10
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*/
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PxReal sleepDamping;
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/**
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\brief Penetration value that needs to get exceeded before contacts for self collision are generated. Will only have an effect if self collisions are enabled.
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<b>Default:</b> 0.1
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*/
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PxReal selfCollisionFilterDistance;
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/**
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\brief Stress threshold to deactivate collision contacts in case the tetrahedron's stress magnitude exceeds the threshold
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<b>Default:</b> 0.9
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*/
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PxReal selfCollisionStressTolerance;
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#ifndef __CUDACC__
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PxFEMParameters()
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{
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velocityDamping = 0.05f;
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settlingThreshold = 0.1f;
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sleepThreshold = 0.05f;
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sleepDamping = 10.f;
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selfCollisionFilterDistance = 0.1f;
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selfCollisionStressTolerance = 0.9f;
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}
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#endif
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};
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#if !PX_DOXYGEN
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}
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#endif
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#endif
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