ane_geometry, plane_material);
		plane.position.y = -0.2;
		scene.add(plane);

		const ambientLight = new t3d.AmbientLight(0xffffff, 0.4);
		scene.add(ambientLight);

		const directionalLight = new t3d.DirectionalLight(0xffffff, 0.9);
		scene.add(directionalLight);

		const camera = new t3d.Camera();
		camera.position.set(-166.1, 70.7, 98.45);
		camera.lookAt(new t3d.Vector3(0.85, -0.14, -0.49), new t3d.Vector3(0, 1, 0));
		camera.setPerspective(30 / 180 * Math.PI, width / height, 1, 1000);
		scene.add(came