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++ // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
++ // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
++ // SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
++ // SPDX-License-Identifier: Apache-2.0
++
++ #ifndef PX_PBD_MATERIAL_H
++ #define PX_PBD_MATERIAL_H
++
++ #include "PxBaseMaterial.h"
++ #include "PxParticleMaterial.h"
++
++ #if !PX_DOXYGEN
++ namespace physx
++ {
++ #endif
++
++ class PxScene;
++ /**
++ \brief Material class to represent a set of PBD particle material properties.
++
++ \see #PxPhysics.createPBDMaterial
++ */
++ class PxPBDMaterial : public PxBaseMaterial
++ {
++ public:
++
++ /**
++ \brief Sets friction
++
++ \param[in] friction Friction. <b>Range:</b> [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. <b>Range:</b> [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. <b>Range:</b> [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. <b>Range:</b> (-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. <b>Range:</b> [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;
++
++ /**
++ \brief Sets viscosity
++
++ \param[in] viscosity Viscosity. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getViscosity()
++ */
++ virtual void setViscosity(PxReal viscosity) = 0;
++
++ /**
++ \brief Retrieves the viscosity value.
++
++ \return The viscosity value.
++
++ \see #setViscosity()
++ */
++ virtual PxReal getViscosity() const = 0;
++
++ /**
++ \brief Sets material vorticity confinement coefficient
++
++ \param[in] vorticityConfinement Material vorticity confinement coefficient. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getVorticityConfinement()
++ */
++ virtual void setVorticityConfinement(PxReal vorticityConfinement) = 0;
++
++ /**
++ \brief Retrieves the vorticity confinement coefficient.
++ \return The vorticity confinement coefficient.
++
++ \see #setVorticityConfinement()
++ */
++ virtual PxReal getVorticityConfinement() const = 0;
++
++ /**
++ \brief Sets material surface tension coefficient
++
++ \param[in] surfaceTension Material surface tension coefficient. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getSurfaceTension()
++ */
++ virtual void setSurfaceTension(PxReal surfaceTension) = 0;
++
++ /**
++ \brief Retrieves the surface tension coefficient.
++ \return The surface tension coefficient.
++
++ \see #setSurfaceTension()
++ */
++ virtual PxReal getSurfaceTension() const = 0;
++
++ /**
++ \brief Sets material cohesion coefficient
++
++ \param[in] cohesion Material cohesion coefficient. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getCohesion()
++ */
++ virtual void setCohesion(PxReal cohesion) = 0;
++
++ /**
++ \brief Retrieves the cohesion coefficient.
++ \return The cohesion coefficient.
++
++ \see #setCohesion()
++ */
++ virtual PxReal getCohesion() const = 0;
++
++ /**
++ \brief Sets material lift coefficient
++
++ \deprecated Particle-cloth, -rigids, -attachments and -volumes have been deprecated.
++
++ \param[in] lift Material lift coefficient. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getLift()
++ */
++ PX_DEPRECATED virtual void setLift(PxReal lift) = 0;
++
++ /**
++ \brief Retrieves the lift coefficient.
++
++ \deprecated Particle-cloth, -rigids, -attachments and -volumes have been deprecated.
++
++ \return The lift coefficient.
++
++ \see #setLift()
++ */
++ PX_DEPRECATED virtual PxReal getLift() const = 0;
++
++ /**
++ \brief Sets material drag coefficient
++
++ \deprecated Particle-cloth, -rigids, -attachments and -volumes have been deprecated.
++
++ \param[in] drag Material drag coefficient. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getDrag()
++ */
++ PX_DEPRECATED virtual void setDrag(PxReal drag) = 0;
++
++ /**
++ \brief Retrieves the drag coefficient.
++
++ \deprecated Particle-cloth, -rigids, -attachments and -volumes have been deprecated.
++
++ \return The drag coefficient.
++
++ \see #setDrag()
++ */
++ PX_DEPRECATED virtual PxReal getDrag() const = 0;
++
++ /**
++ \brief Sets the CFL coefficient. Limits the relative motion between two approaching fluid particles.
++
++ The distance to which the motion is clamped is defined by CFLcoefficient*particleContactOffset*2.
++ A value of 0.5 will thus limit the appoaching motion to a distance of particleContactOffset.
++ A value much larger than one will typically not limit the motion of the particles.
++
++ \param[in] coefficient CFL coefficient. <b>Range:</b> [0, PX_MAX_F32), <b>Default:</b> 1.0
++
++ \see #getCFLCoefficient()
++ */
++ virtual void setCFLCoefficient(PxReal coefficient) = 0;
++
++ /**
++ \brief Retrieves the CFL coefficient.
++ \return The CFL coefficient.
++
++ \see #setCFLCoefficient()
++ */
++ virtual PxReal getCFLCoefficient() const = 0;
++
++ /**
++ \brief Sets material particle friction scale. This allows the application to scale up/down the frictional effect between particles independent of the friction
++ coefficient, which also defines frictional behavior between the particle and rigid bodies/soft bodies/cloth etc.
++
++ \param[in] scale particle friction scale. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getParticleFrictionScale()
++ */
++ virtual void setParticleFrictionScale(PxReal scale) = 0;
++
++ /**
++ \brief Retrieves the particle friction scale.
++ \return The particle friction scale.
++
++ \see #setParticleFrictionScale()
++ */
++ virtual PxReal getParticleFrictionScale() const = 0;
++
++ /**
++ \brief Sets material particle adhesion scale value. This is the adhesive value between particles defined as a scaled multiple of the adhesion parameter.
++
++ \param[in] adhesion particle adhesion scale value. <b>Range:</b> [0, PX_MAX_F32)
++
++ \see #getParticleAdhesionScale()
++ */
++ virtual void setParticleAdhesionScale(PxReal adhesion) = 0;
++
++ /**
++ \brief Retrieves the particle adhesion scale value.
++ \return The particle adhesion scale value.
++
++ \see #setParticleAdhesionScale()
++ */
++ virtual PxReal getParticleAdhesionScale() const = 0;
++
++ virtual const char* getConcreteTypeName() const PX_OVERRIDE PX_FINAL { return "PxPBDMaterial"; }
++
++ protected:
++ PX_INLINE PxPBDMaterial(PxType concreteType, PxBaseFlags baseFlags) : PxBaseMaterial(concreteType, baseFlags) {}
++ PX_INLINE PxPBDMaterial(PxBaseFlags baseFlags) : PxBaseMaterial(baseFlags) {}
++ virtual ~PxPBDMaterial() {}
++ virtual bool isKindOf(const char* name) const PX_OVERRIDE { PX_IS_KIND_OF(name, "PxPBDMaterial", PxBaseMaterial); }
++ };
++ #if !PX_DOXYGEN
++ } // namespace physx
++ #endif
++
++ #endif