// 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_PARTICLE_MATERIAL_H #define PX_PARTICLE_MATERIAL_H /** \addtogroup physics @{ */ #include "foundation/PxSimpleTypes.h" #include "PxBaseMaterial.h" #if !PX_DOXYGEN namespace physx { #endif /** \brief Material class to represent a set of particle material properties. @see #PxPhysics.createPBDMaterial, #PxPhysics.createFLIPMaterial, #PxPhysics.createMPMMaterial */ class PxParticleMaterial : public PxBaseMaterial { public: /** \brief Sets friction \param[in] friction Friction. Range: [0, PX_MAX_F32) @see #getFriction() */ virtual void setFriction(PxReal friction) = 0; /** \brief Retrieves the friction value. \return The friction value. @see #setFriction() */ virtual PxReal getFriction() const = 0; /** \brief Sets velocity damping term \param[in] damping Velocity damping term. Range: [0, PX_MAX_F32) @see #getDamping */ virtual void setDamping(PxReal damping) = 0; /** \brief Retrieves the velocity damping term \return The velocity damping term. @see #setDamping() */ virtual PxReal getDamping() const = 0; /** \brief Sets adhesion term \param[in] adhesion adhesion coefficient. Range: [0, PX_MAX_F32) @see #getAdhesion */ virtual void setAdhesion(PxReal adhesion) = 0; /** \brief Retrieves the adhesion term \return The adhesion term. @see #setAdhesion() */ virtual PxReal getAdhesion() const = 0; /** \brief Sets gravity scale term \param[in] scale gravity scale coefficient. Range: (-PX_MAX_F32, PX_MAX_F32) @see #getAdhesion */ virtual void setGravityScale(PxReal scale) = 0; /** \brief Retrieves the gravity scale term \return The gravity scale term. @see #setAdhesion() */ virtual PxReal getGravityScale() const = 0; /** \brief Sets material adhesion radius scale. This is multiplied by the particle rest offset to compute the fall-off distance at which point adhesion ceases to operate. \param[in] scale Material adhesion radius scale. Range: [0, PX_MAX_F32) @see #getAdhesionRadiusScale */ virtual void setAdhesionRadiusScale(PxReal scale) = 0; /** \brief Retrieves the adhesion radius scale. \return The adhesion radius scale. @see #setAdhesionRadiusScale() */ virtual PxReal getAdhesionRadiusScale() const = 0; protected: PX_INLINE PxParticleMaterial(PxType concreteType, PxBaseFlags baseFlags) : PxBaseMaterial(concreteType, baseFlags) {} PX_INLINE PxParticleMaterial(PxBaseFlags baseFlags) : PxBaseMaterial(baseFlags) {} virtual ~PxParticleMaterial() {} virtual bool isKindOf(const char* name) const { return !::strcmp("PxParticleMaterial", name) || PxBaseMaterial::isKindOf(name); } }; #if !PX_DOXYGEN } // namespace physx #endif /** @} */ #endif