96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions
|
||
|
|
// are met:
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer in the
|
||
|
|
// documentation and/or other materials provided with the distribution.
|
||
|
|
// * Neither the name of NVIDIA CORPORATION nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
||
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||
|
|
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
||
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
||
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
||
|
|
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2008-2023 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_PHYSICS_FEM_PARAMETER_H
|
||
|
|
#define PX_PHYSICS_FEM_PARAMETER_H
|
||
|
|
|
||
|
|
#include "foundation/PxSimpleTypes.h"
|
||
|
|
|
||
|
|
|
||
|
|
#if !PX_DOXYGEN
|
||
|
|
namespace physx
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
\brief Set of parameters to control the sleeping and collision behavior of FEM based objects
|
||
|
|
*/
|
||
|
|
struct PxFEMParameters
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
\brief Velocity damping value. After every timestep the velocity is reduced while the magnitude of the reduction depends on velocityDamping
|
||
|
|
<b>Default:</b> 0.05
|
||
|
|
*/
|
||
|
|
PxReal velocityDamping;
|
||
|
|
/**
|
||
|
|
\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
|
||
|
|
<b>Default:</b> 0.1
|
||
|
|
*/
|
||
|
|
PxReal settlingThreshold;
|
||
|
|
/**
|
||
|
|
\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
|
||
|
|
<b>Default:</b> 0.05
|
||
|
|
*/
|
||
|
|
PxReal sleepThreshold;
|
||
|
|
/**
|
||
|
|
\brief Damping value that damps the motion of bodies that move slow enough to be candidates for sleeping (see settlingThreshold)
|
||
|
|
<b>Default:</b> 10
|
||
|
|
*/
|
||
|
|
PxReal sleepDamping;
|
||
|
|
/**
|
||
|
|
\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.
|
||
|
|
<b>Default:</b> 0.1
|
||
|
|
*/
|
||
|
|
PxReal selfCollisionFilterDistance;
|
||
|
|
/**
|
||
|
|
\brief Stress threshold to deactivate collision contacts in case the tetrahedron's stress magnitude exceeds the threshold
|
||
|
|
<b>Default:</b> 0.9
|
||
|
|
*/
|
||
|
|
PxReal selfCollisionStressTolerance;
|
||
|
|
|
||
|
|
#ifndef __CUDACC__
|
||
|
|
PxFEMParameters()
|
||
|
|
{
|
||
|
|
velocityDamping = 0.05f;
|
||
|
|
settlingThreshold = 0.1f;
|
||
|
|
sleepThreshold = 0.05f;
|
||
|
|
sleepDamping = 10.f;
|
||
|
|
selfCollisionFilterDistance = 0.1f;
|
||
|
|
selfCollisionStressTolerance = 0.9f;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
#if !PX_DOXYGEN
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|