Vector3 min = new Vector3(-10, -10, -10);
Vector3 max = new Vector3(10, 10, 10);
octree = new Octree(min, max, MAX_DEPTH, MAX_ITEMS_PER_NODE, new Octree.Collider() {
	@Override
	public boolean intersects (BoundingBox nodeBounds, GameObject geometry) {
		return nodeBounds.intersects(geometry.box);
	}

	@Override
	public boolean intersects (Frustum frustum, GameObject geometry) {
		return frustum.boundsInFrustum(geometry.box);
	}

	@Override
	public float intersects (Ray ray, GameObject geometry) {
		if (Intersector.intersectRayBounds(ray, geometry.box, new Vector3())) {
			return tmp.dst2(ray.origin);
		}
		return Float.MAX_VALUE;
	}
});

// Adding game objects to the octree
octree.add(gameObject1);
octree.add(gameObject2);

// Querying the result
ObjectSet result = new ObjectSet<>();
octree.query(cam.frustum, result);

// Rendering the result
for (GameObject gameObject : result) {
	modelBatch.render(gameObject);
}