d('notSupported').style.display = '';
			throw new Error('Not supported webgl2 !');
		}

		const renderer = new t3d.WebGLRenderer(gl);
		renderer.setClearColor(0.1, 0.1, 0.1, 1);
		const backRenderTarget = new t3d.RenderTargetBack(canvas);

		const scene = new t3d.Scene();

		const camera = new t3d.Camera();
		camera.position.set(-359, 80, 251);
		camera.setPerspective(30 / 180 * Math.PI, width / height, 1, 1000);
		scene.add(camera);

		const directionalLight = new t3d.DirectionalLight(0xffffff, 0.2);
		ca