lper } from 't3d/addons/objects/AxisHelper.js';

		let width = window.innerWidth || 2;
		let height = window.innerHeight || 2;
		
		let vnh = null;
		let vth = null;
		let box = null;
		let root = null;
		const box3 = new t3d.Box3(new t3d.Vector3(20, -10, -10), new t3d.Vector3(40, 10, 10));
		const sphere = new t3d.Sphere();

		const canvas = document.createElement('canvas');
		canvas.width = width;
		canvas.height = height;
		document.body.appendChild(canvas);

		const contextParams = { antialias: true, al