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java.lang.Objectorg.jbox2d.dynamics.joints.Joint
org.jbox2d.dynamics.joints.WeldJoint
public class WeldJoint
A weld joint essentially glues two bodies together. A weld joint may distort somewhat because the island constraint solver is approximate.
| Field Summary |
|---|
| Fields inherited from class org.jbox2d.dynamics.joints.Joint |
|---|
m_bodyA, m_bodyB, m_edgeA, m_edgeB, m_islandFlag, m_next, m_prev, m_userData, pool |
| Constructor Summary | |
|---|---|
protected |
WeldJoint(IWorldPool argWorld,
WeldJointDef def)
|
| Method Summary | |
|---|---|
void |
getAnchorA(Vec2 argOut)
get the anchor point on bodyA in world coordinates. |
void |
getAnchorB(Vec2 argOut)
get the anchor point on bodyB in world coordinates. |
float |
getDampingRatio()
|
float |
getFrequency()
|
Vec2 |
getLocalAnchorA()
|
Vec2 |
getLocalAnchorB()
|
void |
getReactionForce(float inv_dt,
Vec2 argOut)
get the reaction force on body2 at the joint anchor in Newtons. |
float |
getReactionTorque(float inv_dt)
get the reaction torque on body2 in N*m. |
float |
getReferenceAngle()
|
void |
initVelocityConstraints(SolverData data)
|
void |
setDampingRatio(float dampingRatio)
|
void |
setFrequency(float frequencyHz)
|
boolean |
solvePositionConstraints(SolverData data)
This returns true if the position errors are within tolerance. |
void |
solveVelocityConstraints(SolverData data)
|
| Methods inherited from class org.jbox2d.dynamics.joints.Joint |
|---|
create, destroy, destructor, getBodyA, getBodyB, getCollideConnected, getNext, getType, getUserData, isActive, setUserData |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
protected WeldJoint(IWorldPool argWorld,
WeldJointDef def)
| Method Detail |
|---|
public float getReferenceAngle()
public Vec2 getLocalAnchorA()
public Vec2 getLocalAnchorB()
public float getFrequency()
public void setFrequency(float frequencyHz)
public float getDampingRatio()
public void setDampingRatio(float dampingRatio)
public void getAnchorA(Vec2 argOut)
Joint
getAnchorA in class Jointpublic void getAnchorB(Vec2 argOut)
Joint
getAnchorB in class Joint
public void getReactionForce(float inv_dt,
Vec2 argOut)
Joint
getReactionForce in class Jointpublic float getReactionTorque(float inv_dt)
Joint
getReactionTorque in class Jointpublic void initVelocityConstraints(SolverData data)
initVelocityConstraints in class Jointpublic void solveVelocityConstraints(SolverData data)
solveVelocityConstraints in class Jointpublic boolean solvePositionConstraints(SolverData data)
Joint
solvePositionConstraints in class Joint
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