if (this == scene || !isCollidable || !scene.isCollidable()) { return false; }  System.out.println(this.name + " checking against " + scene.getName());
    public boolean hasCollision(Spatial scene, boolean checkTriangles) {        if (activeChild != SN_INVALID_CHILD) {            if (activeChildData != null) {                return activeChildData.hasCollision(scene, checkTriangles);            }        }        return false;    }