| Box2D 2.4.1
    A 2D physics engine for games | 
#include <b2_distance_joint.h>
 
  
| Public Member Functions | |
| b2Vec2 | GetAnchorA () const override | 
| Get the anchor point on bodyA in world coordinates. | |
| b2Vec2 | GetAnchorB () const override | 
| Get the anchor point on bodyB in world coordinates. | |
| b2Vec2 | GetReactionForce (float inv_dt) const override | 
| float | GetReactionTorque (float inv_dt) const override | 
| const b2Vec2 & | GetLocalAnchorA () const | 
| The local anchor point relative to bodyA's origin. | |
| const b2Vec2 & | GetLocalAnchorB () const | 
| The local anchor point relative to bodyB's origin. | |
| float | GetLength () const | 
| Get the rest length. | |
| float | SetLength (float length) | 
| float | GetMinLength () const | 
| Get the minimum length. | |
| float | SetMinLength (float minLength) | 
| float | GetMaxLength () const | 
| Get the maximum length. | |
| float | SetMaxLength (float maxLength) | 
| float | GetCurrentLength () const | 
| Get the current length. | |
| void | SetStiffness (float stiffness) | 
| Set/get the linear stiffness in N/m. | |
| float | GetStiffness () const | 
| void | SetDamping (float damping) | 
| Set/get linear damping in N*s/m. | |
| float | GetDamping () const | 
| void | Dump () override | 
| Dump joint to dmLog. | |
| void | Draw (b2Draw *draw) const override | 
| Debug draw this joint. | |
|  Public Member Functions inherited from b2Joint | |
| b2JointType | GetType () const | 
| Get the type of the concrete joint. | |
| b2Body * | GetBodyA () | 
| Get the first body attached to this joint. | |
| b2Body * | GetBodyB () | 
| Get the second body attached to this joint. | |
| b2Joint * | GetNext () | 
| Get the next joint the world joint list. | |
| const b2Joint * | GetNext () const | 
| b2JointUserData & | GetUserData () | 
| Get the user data pointer. | |
| bool | IsEnabled () const | 
| Short-cut function to determine if either body is enabled. | |
| bool | GetCollideConnected () const | 
| virtual void | ShiftOrigin (const b2Vec2 &newOrigin) | 
| Shift the origin for any points stored in world coordinates. | |
| Protected Member Functions | |
| b2DistanceJoint (const b2DistanceJointDef *data) | |
| void | InitVelocityConstraints (const b2SolverData &data) override | 
| void | SolveVelocityConstraints (const b2SolverData &data) override | 
| bool | SolvePositionConstraints (const b2SolverData &data) override | 
|  Protected Member Functions inherited from b2Joint | |
| b2Joint (const b2JointDef *def) | |
| Protected Attributes | |
| float | m_stiffness | 
| float | m_damping | 
| float | m_bias | 
| float | m_length | 
| float | m_minLength | 
| float | m_maxLength | 
| b2Vec2 | m_localAnchorA | 
| b2Vec2 | m_localAnchorB | 
| float | m_gamma | 
| float | m_impulse | 
| float | m_lowerImpulse | 
| float | m_upperImpulse | 
| int32 | m_indexA | 
| int32 | m_indexB | 
| b2Vec2 | m_u | 
| b2Vec2 | m_rA | 
| b2Vec2 | m_rB | 
| b2Vec2 | m_localCenterA | 
| b2Vec2 | m_localCenterB | 
| float | m_currentLength | 
| float | m_invMassA | 
| float | m_invMassB | 
| float | m_invIA | 
| float | m_invIB | 
| float | m_softMass | 
| float | m_mass | 
|  Protected Attributes inherited from b2Joint | |
| b2JointType | m_type | 
| b2Joint * | m_prev | 
| b2Joint * | m_next | 
| b2JointEdge | m_edgeA | 
| b2JointEdge | m_edgeB | 
| b2Body * | m_bodyA | 
| b2Body * | m_bodyB | 
| int32 | m_index | 
| bool | m_islandFlag | 
| bool | m_collideConnected | 
| b2JointUserData | m_userData | 
| Friends | |
| class | b2Joint | 
| Additional Inherited Members | |
|  Static Protected Member Functions inherited from b2Joint | |
| static b2Joint * | Create (const b2JointDef *def, b2BlockAllocator *allocator) | 
| static void | Destroy (b2Joint *joint, b2BlockAllocator *allocator) | 
A distance joint constrains two points on two bodies to remain at a fixed distance from each other. You can view this as a massless, rigid rod.
| 
 | overridevirtual | 
Debug draw this joint.
Reimplemented from b2Joint.
| 
 | overridevirtual | 
Dump joint to dmLog.
Reimplemented from b2Joint.
| 
 | overridevirtual | 
Get the anchor point on bodyA in world coordinates.
Implements b2Joint.
| 
 | overridevirtual | 
Get the anchor point on bodyB in world coordinates.
Implements b2Joint.
| 
 | overridevirtual | 
Get the reaction force given the inverse time step. Unit is N.
Implements b2Joint.
| 
 | overridevirtual | 
Get the reaction torque given the inverse time step. Unit is N*m. This is always zero for a distance joint.
Implements b2Joint.
| 
 | overrideprotectedvirtual | 
Implements b2Joint.
| float b2DistanceJoint::SetLength | ( | float | length | ) | 
Set the rest length
| float b2DistanceJoint::SetMaxLength | ( | float | maxLength | ) | 
Set the maximum length
| float b2DistanceJoint::SetMinLength | ( | float | minLength | ) | 
Set the minimum length
| 
 | overrideprotectedvirtual | 
Implements b2Joint.
| 
 | overrideprotectedvirtual | 
Implements b2Joint.