Derived from JointParameters.
BallJointParameters {
SFVec3f anchor 0 0 0 # any vector
}
The BallJointJointParameters node can be used to specify the parameters of a ball joint. It contains the anchor position, i.e. the coordinates of the point where bodies under a ball joint constraints are kept attached. It can be used in the jointParameters field of BallJoint only.
anchor: This field specifies the anchor position expressed in relative coordinates with respect to the center of the closest upper Pose node's frame.