// 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_FEM_MATERIAL_H #define PX_FEM_MATERIAL_H /** \addtogroup physics @{ */ #include "PxPhysXConfig.h" #include "PxBaseMaterial.h" #if !PX_DOXYGEN namespace physx { #endif class PxScene; /** \brief Material class to represent a set of FEM material properties. @see PxPhysics.createFEMSoftBodyMaterial */ class PxFEMMaterial : public PxBaseMaterial { public: /** \brief Sets young's modulus which defines the body's stiffness \param[in] young Young's modulus. Range: [0, PX_MAX_F32) @see getYoungsModulus() */ virtual void setYoungsModulus(PxReal young) = 0; /** \brief Retrieves the young's modulus value. \return The young's modulus value. @see setYoungsModulus() */ virtual PxReal getYoungsModulus() const = 0; /** \brief Sets the Poisson's ratio which defines the body's volume preservation. Completely incompressible materials have a poisson ratio of 0.5. Its value should not be set to exactly 0.5 because this leads to numerical problems. \param[in] poisson Poisson's ratio. Range: [0, 0.5) @see getPoissons() */ virtual void setPoissons(PxReal poisson) = 0; /** \brief Retrieves the Poisson's ratio. \return The Poisson's ratio. @see setPoissons() */ virtual PxReal getPoissons() const = 0; /** \brief Sets the dynamic friction value which defines the strength of resistance when two objects slide relative to each other while in contact. \param[in] dynamicFriction The dynamic friction value. Range: [0, PX_MAX_F32) @see getDynamicFriction() */ virtual void setDynamicFriction(PxReal dynamicFriction) = 0; /** \brief Retrieves the dynamic friction value \return The dynamic friction value @see setDynamicFriction() */ virtual PxReal getDynamicFriction() const = 0; protected: PX_INLINE PxFEMMaterial(PxType concreteType, PxBaseFlags baseFlags) : PxBaseMaterial(concreteType, baseFlags) {} PX_INLINE PxFEMMaterial(PxBaseFlags baseFlags) : PxBaseMaterial(baseFlags) {} virtual ~PxFEMMaterial() {} virtual bool isKindOf(const char* name) const { return !::strcmp("PxFEMMaterial", name) || PxBaseMaterial::isKindOf(name); } }; #if !PX_DOXYGEN } // namespace physx #endif /** @} */ #endif