es),
			1
		)));
		geometry3.computeBoundingBox();
		geometry3.computeBoundingSphere();
		const route2 = new t3d.Mesh(geometry3, lambertMaterial);
		route2.position.set(-3, 0, -2);
		route2.castShadow = true;
		scene.add(route2);

		const plane_geometry = new t3d.PlaneGeometry(1000, 1000);
		const plane_material = new t3d.LambertMaterial();
		plane_material.diffuse.setHex(0xeeeeee);
		const plane = new t3d.Mesh(plane_geometry, plane_material);
		plane.position.y -= 3;
		plane.receiveShadow = true;
		scene.a