h = window.innerWidth || 2;
			height = window.innerHeight || 2;

			camera.setPerspective(45 / 180 * Math.PI, width / height, 1, 8000);

			backRenderTarget.resize(width, height);
			sceneRenderTarget.resize(width, height);
			transmissionRenderTarget.resize(width, height);
			resultRenderTarget.resize(width, height);
		}
		window.addEventListener('resize', onWindowResize, false);
    </script>
</body>

</html>