JointDrive.positionSpring 弹簧位置

public class example : MonoBehaviour {
	void Start() {
		ConfigurableJoint joint = gameObject.AddComponent<ConfigurableJoint>();
		joint.targetPosition = new Vector3(0, 0, -10);
		JointDrive drive = new JointDrive();
		drive.mode = JointDriveMode.Position;
		drive.positionSpring = 20;
		joint.zDrive = drive;
	}
}

// Create a JointDrive, configure it and assign the JointDrive to
// the zDrive element of a configurable joint.
//创建一个关节驱动，配置它并指定关节驱动到一个可配置关节的zDrive元素

function Start() {
	var joint : ConfigurableJoint = gameObject.AddComponent(ConfigurableJoint);
	joint.targetPosition = Vector3(0,0,-10);

	var drive : JointDrive = JointDrive();
	drive.mode = JointDriveMode.Position;
	drive.positionSpring = 20;

	joint.zDrive = drive;
}