ght = window.innerHeight || 2;

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

		const forwardRenderer = new ForwardRenderer(canvas);

		const scene = new t3d.Scene();

		const sphere_geometry = new t3d.SphereGeometry(10, 20, 20);

		const phong = new t3d.PhongMaterial();
		phong.diffuse.setHex(0xffffff);
		const sphere = new t3d.Mesh(sphere_geometry, phong);
		scene.add(sphere);

		const plane_geometry = new t3d.Pla