com.badlogic.gdx.physics.box2d.joints
Class PulleyJointDef

java.lang.Object
  com.badlogic.gdx.physics.box2d.JointDef
      com.badlogic.gdx.physics.box2d.joints.PulleyJointDef

public class PulleyJointDef
extends JointDef

Pulley joint definition. This requires two ground anchors, two dynamic body anchor points, max lengths for each side, and a pulley ratio.

Nested Class Summary

Nested classes/interfaces inherited from class com.badlogic.gdx.physics.box2d.JointDef

JointDef.JointType

Field Summary

Vector2	groundAnchorA The first ground anchor in world coordinates.
Vector2	groundAnchorB The second ground anchor in world coordinates.
float	lengthA The a reference length for the segment attached to bodyA.
float	lengthB The a reference length for the segment attached to bodyB.
Vector2	localAnchorA The local anchor point relative to bodyA's origin.
Vector2	localAnchorB The local anchor point relative to bodyB's origin.
float	ratio The pulley ratio, used to simulate a block-and-tackle.

Fields inherited from class com.badlogic.gdx.physics.box2d.JointDef

bodyA, bodyB, collideConnected, type

Constructor Summary

PulleyJointDef()

Method Summary

void	initialize(Body bodyA, Body bodyB, Vector2 groundAnchorA, Vector2 groundAnchorB, Vector2 anchorA, Vector2 anchorB, float ratio) Initialize the bodies, anchors, lengths, max lengths, and ratio using the world anchors.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

groundAnchorA

public final Vector2 groundAnchorA

The first ground anchor in world coordinates. This point never moves.

groundAnchorB

public final Vector2 groundAnchorB

The second ground anchor in world coordinates. This point never moves.

localAnchorA

public final Vector2 localAnchorA

The local anchor point relative to bodyA's origin.

localAnchorB

public final Vector2 localAnchorB

The local anchor point relative to bodyB's origin.

lengthA

public float lengthA

The a reference length for the segment attached to bodyA.

lengthB

public float lengthB

The a reference length for the segment attached to bodyB.

ratio

public float ratio

The pulley ratio, used to simulate a block-and-tackle.

Constructor Detail

PulleyJointDef

public PulleyJointDef()

Method Detail

initialize

public void initialize(Body bodyA,
                       Body bodyB,
                       Vector2 groundAnchorA,
                       Vector2 groundAnchorB,
                       Vector2 anchorA,
                       Vector2 anchorB,
                       float ratio)

Initialize the bodies, anchors, lengths, max lengths, and ratio using the world anchors.