eft.position.y = 50;
		planeLeft.euler.set(0, 0, -90 / 180 * Math.PI);
		scene.add(planeLeft);

		const phong = new t3d.PhongMaterial();

		const boxGeometry = new t3d.BoxGeometry(10, 50, 30);

		const cube = new t3d.Mesh(boxGeometry, phong);
		cube.position.y = 25.1;
		scene.add(cube);

		const sphereGeometry = new t3d.SphereGeometry(4, 32, 32);

		const sphere = new t3d.Mesh(sphereGeometry, phong);
		sphere.position.set(-20, 30, 0);
		sphere.userData.isSphere = true;
		sphere.renderOrder = 1; // Make sure