horizontalBlurMaterial, verticalBlurMaterial;

			let plane, blurPlane, fillPlane;

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.set( 0.5, 1, 2 );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0xffffff );

				stats = new Stats();
				document.body.appendChild( stats.dom );

				window.addEventListener( 'resize', onWindowResize );

				// add the example meshes

				const geom