// 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 Default: 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 Default: 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 Default: 0.05 */ PxReal sleepThreshold; /** \brief Damping value that damps the motion of bodies that move slow enough to be candidates for sleeping (see settlingThreshold) Default: 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. Default: 0.1 */ PxReal selfCollisionFilterDistance; /** \brief Stress threshold to deactivate collision contacts in case the tetrahedron's stress magnitude exceeds the threshold Default: 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