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| b2Vec2 | GetAnchorA () const | 
|  | Get the anchor point on bodyA in world coordinates. 
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| b2Vec2 | GetAnchorB () const | 
|  | Get the anchor point on bodyB in world coordinates. 
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| b2Vec2 | GetReactionForce (float32 inv_dt) const | 
|  | Get the reaction force on bodyB at the joint anchor in Newtons. 
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| float32 | GetReactionTorque (float32 inv_dt) const | 
|  | Get the reaction torque on bodyB in N*m. 
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| void | SetLinearOffset (const b2Vec2 &linearOffset) | 
|  | Set/get the target linear offset, in frame A, in meters. 
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| const b2Vec2 & | GetLinearOffset () const | 
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| void | SetAngularOffset (float32 angularOffset) | 
|  | Set/get the target angular offset, in radians. 
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| float32 | GetAngularOffset () const | 
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| void | SetMaxForce (float32 force) | 
|  | Set the maximum friction force in N. 
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| float32 | GetMaxForce () const | 
|  | Get the maximum friction force in N. 
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| void | SetMaxTorque (float32 torque) | 
|  | Set the maximum friction torque in N*m. 
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| float32 | GetMaxTorque () const | 
|  | Get the maximum friction torque in N*m. 
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| void | SetCorrectionFactor (float32 factor) | 
|  | Set the position correction factor in the range [0,1]. 
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|  | 
| float32 | GetCorrectionFactor () const | 
|  | Get the position correction factor in the range [0,1]. 
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|  | 
| void | Dump () | 
|  | Dump to b2Log. 
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|  | 
| b2JointType | GetType () const | 
|  | Get the type of the concrete joint. 
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| b2Body * | GetBodyA () | 
|  | Get the first body attached to this joint. 
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| b2Body * | GetBodyB () | 
|  | Get the second body attached to this joint. 
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| b2Joint * | GetNext () | 
|  | Get the next joint the world joint list. 
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| const b2Joint * | GetNext () const | 
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| void * | GetUserData () const | 
|  | Get the user data pointer. 
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| void | SetUserData (void *data) | 
|  | Set the user data pointer. 
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| bool | IsActive () const | 
|  | Short-cut function to determine if either body is inactive. 
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| bool | GetCollideConnected () const | 
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| virtual void | ShiftOrigin (const b2Vec2 &newOrigin) | 
|  | Shift the origin for any points stored in world coordinates. 
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|  | 
A motor joint is used to control the relative motion between two bodies. A typical usage is to control the movement of a dynamic body with respect to the ground.