private void loadChildren() {
        for (Iterator<ChildCollisionShape> it = children.iterator(); it.hasNext();) {
            ChildCollisionShape child = it.next();
            addChildShapeDirect(child.shape, child.location, child.rotation);
        }
    }
WARNING - CompoundCollisionShape scaling has no effect.
jme3-jbullet/src/main/java/com/jme3/bullet/collision/shapes/CompoundCollisionShape.java