NCODING_TYPE.SRGB;

		const scene = new t3d.Scene();
		scene.environment = cubeTexture;

		const skyBox = new SkyBox(cubeTexture);
		skyBox.gamma = true;
		scene.add(skyBox);

		const backRenderTarget = new t3d.RenderTargetBack(canvas);
		const contextParams = { antialias: false, alpha: false };
		const gl = canvas.getContext('webgl2', contextParams) || canvas.getContext('webgl', contextParams);
		const renderer = new t3d.WebGLRenderer(gl);
		
		let material;

		const nanobar = new Nanobar();
		nanobar.el.s