;
		canvas.width = width;
		canvas.height = height;
		document.body.appendChild(canvas);

		const renderer = new ForwardRenderer(canvas);
		renderer.setClearColor(0.1, 0.1, 0.1, 1);
		renderer.matrixAutoUpdate = false;

		const capabilities = renderer.capabilities;
		if (!capabilities.getExtension('WEBGL_multi_draw')) {
			document.getElementById('notSupported').style.display = '';
			throw new Error('Not supported WEBGL_multi_draw!');
		}

		const scene = new t3d.Scene();

		const camera = new t3d.Camera()