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// Copyright (c) 2008-2025 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_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. 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;
/**
\brief Sets viscosity
\param[in] viscosity Viscosity. Range: [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. Range: [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. Range: [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. Range: [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. Range: [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. Range: [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. Range: [0, PX_MAX_F32), Default: 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. Range: [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. Range: [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_IS_KIND_OF(name, "PxPBDMaterial", PxBaseMaterial); }
};
#if !PX_DOXYGEN
} // namespace physx
#endif
#endif