org.bytedeco.liquidfun

Class b2RevoluteJoint

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.liquidfun.b2Joint

org.bytedeco.liquidfun.b2RevoluteJoint

All Implemented Interfaces:

AutoCloseable

@NoOffset
 @Properties(inherit=liquidfun.class)
public class b2RevoluteJoint
extends b2Joint

A revolute joint constrains two bodies to share a common point while they are free to rotate about the point. The relative rotation about the shared point is the joint angle. You can limit the relative rotation with a joint limit that specifies a lower and upper angle. You can use a motor to drive the relative rotation about the shared point. A maximum motor torque is provided so that infinite forces are not generated.

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
b2RevoluteJoint(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
void	Dump() Dump to b2Log.
void	EnableLimit(boolean flag) Enable/disable the joint limit.
void	EnableMotor(boolean flag) Enable/disable the joint motor.
b2Vec2	GetAnchorA() Get the anchor point on bodyA in world coordinates.
b2Vec2	GetAnchorB() Get the anchor point on bodyB in world coordinates.
float	GetJointAngle() Get the current joint angle in radians.
float	GetJointSpeed() Get the current joint angle speed in radians per second.
b2Vec2	GetLocalAnchorA() The local anchor point relative to bodyA's origin.
b2Vec2	GetLocalAnchorB() The local anchor point relative to bodyB's origin.
float	GetLowerLimit() Get the lower joint limit in radians.
float	GetMaxMotorTorque()
float	GetMotorSpeed() Get the motor speed in radians per second.
float	GetMotorTorque(float inv_dt) Get the current motor torque given the inverse time step.
b2Vec2	GetReactionForce(float inv_dt) Get the reaction force given the inverse time step.
float	GetReactionTorque(float inv_dt) Get the reaction torque due to the joint limit given the inverse time step.
float	GetReferenceAngle() Get the reference angle.
float	GetUpperLimit() Get the upper joint limit in radians.
boolean	IsLimitEnabled() Is the joint limit enabled?
boolean	IsMotorEnabled() Is the joint motor enabled?
void	SetLimits(float lower, float upper) Set the joint limits in radians.
void	SetMaxMotorTorque(float torque) Set the maximum motor torque, usually in N-m.
void	SetMotorSpeed(float speed) Set the motor speed in radians per second.

Methods inherited from class org.bytedeco.liquidfun.b2Joint

GetBodyA, GetBodyB, GetCollideConnected, GetNext, GetType, GetUserData, IsActive, SetUserData, ShiftOrigin

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, hashCode, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, toString, totalBytes, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

b2RevoluteJoint

public b2RevoluteJoint(Pointer p)

Pointer cast constructor. Invokes Pointer.Pointer(Pointer).

Method Detail

GetAnchorA

@ByVal
public b2Vec2 GetAnchorA()

Description copied from class: b2Joint

Get the anchor point on bodyA in world coordinates.

Overrides:

GetAnchorA in class b2Joint

GetAnchorB

@ByVal
public b2Vec2 GetAnchorB()

Description copied from class: b2Joint

Get the anchor point on bodyB in world coordinates.

Overrides:

GetAnchorB in class b2Joint

GetLocalAnchorA

@Const
 @ByRef
public b2Vec2 GetLocalAnchorA()

The local anchor point relative to bodyA's origin.

GetLocalAnchorB

@Const
 @ByRef
public b2Vec2 GetLocalAnchorB()

The local anchor point relative to bodyB's origin.

GetReferenceAngle

@Cast(value="float32")
public float GetReferenceAngle()

Get the reference angle.

GetJointAngle

@Cast(value="float32")
public float GetJointAngle()

Get the current joint angle in radians.

GetJointSpeed

@Cast(value="float32")
public float GetJointSpeed()

Get the current joint angle speed in radians per second.

IsLimitEnabled

@Cast(value="bool")
public boolean IsLimitEnabled()

Is the joint limit enabled?

EnableLimit

public void EnableLimit(@Cast(value="bool")
                        boolean flag)

Enable/disable the joint limit.

GetLowerLimit

@Cast(value="float32")
public float GetLowerLimit()

Get the lower joint limit in radians.

GetUpperLimit

@Cast(value="float32")
public float GetUpperLimit()

Get the upper joint limit in radians.

SetLimits

public void SetLimits(@Cast(value="float32")
                      float lower,
                      @Cast(value="float32")
                      float upper)

Set the joint limits in radians.

IsMotorEnabled

@Cast(value="bool")
public boolean IsMotorEnabled()

Is the joint motor enabled?

EnableMotor

public void EnableMotor(@Cast(value="bool")
                        boolean flag)

Enable/disable the joint motor.

SetMotorSpeed

public void SetMotorSpeed(@Cast(value="float32")
                          float speed)

Set the motor speed in radians per second.

GetMotorSpeed

@Cast(value="float32")
public float GetMotorSpeed()

Get the motor speed in radians per second.

SetMaxMotorTorque

public void SetMaxMotorTorque(@Cast(value="float32")
                              float torque)

Set the maximum motor torque, usually in N-m.

GetMaxMotorTorque

@Cast(value="float32")
public float GetMaxMotorTorque()

GetReactionForce

@ByVal
public b2Vec2 GetReactionForce(@Cast(value="float32")
                                      float inv_dt)

Get the reaction force given the inverse time step. Unit is N.

Overrides:

GetReactionForce in class b2Joint

GetReactionTorque

@Cast(value="float32")
public float GetReactionTorque(@Cast(value="float32")
                                                      float inv_dt)

Get the reaction torque due to the joint limit given the inverse time step. Unit is N*m.

Overrides:

GetReactionTorque in class b2Joint

GetMotorTorque

@Cast(value="float32")
public float GetMotorTorque(@Cast(value="float32")
                                                   float inv_dt)

Get the current motor torque given the inverse time step. Unit is N*m.

Dump

public void Dump()

Dump to b2Log.

Overrides:

Dump in class b2Joint