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java.lang.Objectorg.jbox2d.dynamics.joints.JointDef
org.jbox2d.dynamics.joints.GearJointDef
public class GearJointDef
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.
A gear joint is used to connect two joints together. Either joint
can be a revolute or prismatic joint. You specify a gear ratio
to bind the motions together:
coordinate1 + ratio * coordinate2 = constant
The ratio can be negative or positive. If one joint is a revolute joint
and the other joint is a prismatic joint, then the ratio will have units
of length or units of 1/length.
Warning: The revolute and prismatic joints must be attached to
fixed bodies (which must be body1 on those joints).
| Field Summary | |
|---|---|
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
The gear ratio. |
| Fields inherited from class org.jbox2d.dynamics.joints.JointDef |
|---|
body1, body2, collideConnected, type, userData |
| Constructor Summary | |
|---|---|
GearJointDef()
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| Method Summary |
|---|
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public Joint joint1
public Joint joint2
public float ratio
for explanation.| Constructor Detail |
|---|
public GearJointDef()
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