# Class GearJointDef

java.lang.Object
com.codename1.gaming.physics.box2d.dynamics.joints.JointDef
com.codename1.gaming.physics.box2d.dynamics.joints.GearJointDef

public class GearJointDef extends JointDef
Gear joint definition. This definition requires two existing revolute or prismatic joints (any combination will work). The provided joints must attach a dynamic body to a static body.

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `Joint`
  `joint1`
  The first revolute/prismatic joint attached to the gear joint.
  `Joint`
  `joint2`
  The second revolute/prismatic joint attached to the gear joint.
  `float`
  `ratio`
  Gear ratio.

  ### Fields inherited from class JointDef

  `bodyA, bodyB, collideConnected, type, userData`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `GearJointDef()`

- ## Method Summary

  ### Methods inherited from class Object

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

- ## Field Details

  - ### joint1

    public Joint joint1
    The first revolute/prismatic joint attached to the gear joint.

  - ### joint2

    public Joint joint2
    The second revolute/prismatic joint attached to the gear joint.

  - ### ratio

    public float ratio
    Gear ratio.
    See Also:
      - `GearJoint`

- ## Constructor Details

  - ### GearJointDef

    public GearJointDef()