---

       

---

PxJoint.h

Go to the documentation of this file.

//
// 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) 2008-2018 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_JOINTCONSTRAINT_H
#define PX_JOINTCONSTRAINT_H

#include "foundation/PxTransform.h"
#include "PxRigidActor.h"
#include "PxConstraint.h"
#include "common/PxBase.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

class PxRigidActor;
class PxScene;
class PxPhysics;
class PxConstraint;

struct PxJointConcreteType
{
    enum Enum
    {
        eSPHERICAL = PxConcreteType::eFIRST_PHYSX_EXTENSION,
        eREVOLUTE,
        ePRISMATIC,
        eFIXED,
        eDISTANCE,
        eD6,
        eLast
    };
};

PX_DEFINE_TYPEINFO(PxJoint,             PxConcreteType::eUNDEFINED)
PX_DEFINE_TYPEINFO(PxD6Joint,           PxJointConcreteType::eD6)
PX_DEFINE_TYPEINFO(PxDistanceJoint,     PxJointConcreteType::eDISTANCE)
PX_DEFINE_TYPEINFO(PxFixedJoint,        PxJointConcreteType::eFIXED)
PX_DEFINE_TYPEINFO(PxPrismaticJoint,    PxJointConcreteType::ePRISMATIC)
PX_DEFINE_TYPEINFO(PxRevoluteJoint,     PxJointConcreteType::eREVOLUTE)
PX_DEFINE_TYPEINFO(PxSphericalJoint,    PxJointConcreteType::eSPHERICAL)

struct PxJointActorIndex
{
    enum Enum
    {
        eACTOR0,
        eACTOR1,
        COUNT
    };
};

class PxJoint : public PxBase
{
//= ATTENTION! =====================================================================================
// Changing the data layout of this class breaks the binary serialization format.  See comments for 
// PX_BINARY_SERIAL_VERSION.  If a modification is required, please adjust the getBinaryMetaData 
// function.  If the modification is made on a custom branch, please change PX_BINARY_SERIAL_VERSION
// accordingly.
//==================================================================================================
public:

    virtual void                setActors(PxRigidActor* actor0, PxRigidActor* actor1)           = 0;

    virtual void                getActors(PxRigidActor*& actor0, PxRigidActor*& actor1) const   = 0;

    virtual void                setLocalPose(PxJointActorIndex::Enum actor, const PxTransform& localPose) = 0;

    virtual PxTransform         getLocalPose(PxJointActorIndex::Enum actor) const = 0;


    virtual PxTransform         getRelativeTransform()              const   = 0;

    virtual PxVec3              getRelativeLinearVelocity()         const   = 0;

    virtual PxVec3              getRelativeAngularVelocity()        const   = 0;


    virtual void                setBreakForce(PxReal force, PxReal torque)                      = 0;

    virtual void                getBreakForce(PxReal& force, PxReal& torque)            const   = 0;

    virtual void                setConstraintFlags(PxConstraintFlags flags)                     = 0;

    virtual void                setConstraintFlag(PxConstraintFlag::Enum flag, bool value)      = 0;


    virtual PxConstraintFlags   getConstraintFlags()                                    const   = 0;



    virtual void                setInvMassScale0(PxReal invMassScale)                           = 0;

    virtual PxReal              getInvMassScale0() const                                        = 0;

    virtual void                setInvInertiaScale0(PxReal invInertiaScale)                     = 0;

    virtual PxReal              getInvInertiaScale0() const                                     = 0;


    virtual void                setInvMassScale1(PxReal invMassScale)                           = 0;

    virtual PxReal              getInvMassScale1() const                                        = 0;

    virtual void                setInvInertiaScale1(PxReal invInertiaScale)                     = 0;

    virtual PxReal              getInvInertiaScale1() const                                     = 0;


    virtual PxConstraint*       getConstraint()                                         const   = 0;

    virtual void                setName(const char* name)                                       = 0;

    virtual const char*         getName()                                               const   = 0;

    virtual void                release()                                                       = 0;



    virtual PxScene*            getScene()                                              const   = 0;

    void*                       userData;   

    //serialization

    static  void                getBinaryMetaData(PxOutputStream& stream);

    //~serialization
                    
protected:
    virtual                     ~PxJoint() {}

    //serialization

    PX_INLINE                   PxJoint(PxType concreteType, PxBaseFlags baseFlags) : PxBase(concreteType, baseFlags), userData(NULL) {}
    
    PX_INLINE                   PxJoint(PxBaseFlags baseFlags)  : PxBase(baseFlags) {}

    virtual bool                isKindOf(const char* name) const { return !::strcmp("PxJoint", name) || PxBase::isKindOf(name); }

    //~serialization
};

class PxSpring
{
//= ATTENTION! =====================================================================================
// Changing the data layout of this class breaks the binary serialization format.  See comments for 
// PX_BINARY_SERIAL_VERSION.  If a modification is required, please adjust the getBinaryMetaData 
// function.  If the modification is made on a custom branch, please change PX_BINARY_SERIAL_VERSION
// accordingly.
//==================================================================================================
public:

    PxReal                  stiffness;          
    PxReal                  damping;            

    PxSpring(PxReal stiffness_, PxReal damping_): stiffness(stiffness_), damping(damping_) {}
};


#if !PX_DOXYGEN
} // namespace physx
#endif

PX_C_EXPORT void PX_CALL_CONV PxSetJointGlobalFrame(physx::PxJoint& joint, const physx::PxVec3* wsAnchor, const physx::PxVec3* wsAxis);

#endif

---

Copyright © 2008-2018 NVIDIA Corporation, 2701 San Tomas Expressway, Santa Clara, CA 95050 U.S.A. All rights reserved. www.nvidia.com