 ).innerText = ( end - start ).toFixed( 2 );

			} );

		}

		function makeMultiMaterial( geo ) {

			// material

			var vert = document.getElementById( 'vertMaterial' ).textContent;
			var frag = document.getElementById( 'fragMaterial' ).textContent;

			var material = new THREE.RawShaderMaterial( {
				vertexShader: vert,
				fragmentShader: frag,
				uniforms: {
					color: {
						value: new THREE.Color()
					}
				}
			} );

			var pickingMaterial = new THREE.RawShaderMaterial( {
				vertexShader: "#