private void AllowFlight(MoveableObject pFlyingObject)
{
DistanceJoint2D existingDistanceJoint = mBalloon.Physics.DistanceJoint2D;
existingDistanceJoint.enabled = false;
DistanceJoint2D objectDistanceJoint = pFlyingObject.GetDistanceJoint ();
objectDistanceJoint.connectedBody = mBalloon.Physics.GetRigidBody();
objectDistanceJoint.enabled = true;
pFlyingObject.SetIsFlying (true);
}