The user can create a joint entity as follows.
•Point, Point
•Point: Selects a point on a base body.
•Point: Selects a point on an action body. The distance between two points is fixed as its initial length.
•Body, Body, Point, Point
•Body: Selects a base body of distance joint.
•Body: Selects an action body of distance joint.
•Point: Selects a point.
•Point: Selects a point. The distance between two points is fixed as its initial length.