roymacdonald/gist:c6c83faea3a6ef7278e6

## gistfile1.html
<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - wireframe</title>
		<meta charset="utf-8">
		<style>
			body {
				background:#000;
				color:#fff;
				padding:0;
				margin:0;
				overflow:hidden;
				font-family:georgia;
				text-align:center;
			}
			#log { position:absolute; top:50px; text-align:left; display:block; z-index:100; background:#000;  }
		</style>
	</head>
	<body>
		<pre id="log"></pre>
		<button onclick="incRes()">Increase Resolution</button>
		<button onclick="decRes()">Decrease Resolution</button>
		<script src="http://threejs.org/build/three.min.js"></script>
		<script src="http://threejs.org/examples/js/controls/TrackballControls.js"></script>
		<script src="http://threejs.org/examples/js/libs/stats.min.js"></script>

		<script>

			var camera, controls, scene, renderer, stats;
			var plane;
			var planeWidth = 1024;
			var resolution = 64;

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
				camera.position.z = 800;
				controls = new THREE.TrackballControls( camera );

				scene = new THREE.Scene();

				buildMesh();

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				stats.domElement.style.zIndex = 100;
				document.body.appendChild( stats.domElement );

				window.addEventListener( 'resize', onWindowResize, false );
			}

			function log( text ) {
				var e = document.getElementById( "log" );
				e.innerHTML = text; //+ "<br/>" + e.innerHTML;

			}
			function buildMesh(){
				scene.remove(plane);
    			var geom = new THREE.PlaneGeometry( planeWidth, planeWidth, resolution, resolution );
			    var mat =  new THREE.MeshBasicMaterial( { wireframe: true } );
    			plane = new THREE.Mesh( geom, mat );
    			scene.add( plane );
				log("Resolution: " + resolution+"<br/>Mesh num vertices: " + geom.vertices.length);
			}
			function incRes() {
					resolution *=2;
					buildMesh();
				}
			function decRes() {
					resolution /=2;
					if(resolution < 2){
						resolution = 2;
					}
					buildMesh();
			}
			function onWindowResize() {
				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();
				renderer.setSize( window.innerWidth, window.innerHeight );
			}
			function animate() {
				requestAnimationFrame( animate );
				stats.update();
				controls.update();
				renderer.render( scene, camera );
			}

		</script>

	</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>three.js webgl - materials - wireframe</title>
	<meta charset="utf-8">
	<style>
	body {
	background:#000;
	color:#fff;
	padding:0;
	margin:0;
	overflow:hidden;
	font-family:georgia;
	text-align:center;
	}
	#log { position:absolute; top:50px; text-align:left; display:block; z-index:100; background:#000; }
	</style>
	</head>
	<body>
	<pre id="log"></pre>
	<button onclick="incRes()">Increase Resolution</button>
	<button onclick="decRes()">Decrease Resolution</button>
	<script src="http://threejs.org/build/three.min.js"></script>
	<script src="http://threejs.org/examples/js/controls/TrackballControls.js"></script>
	<script src="http://threejs.org/examples/js/libs/stats.min.js"></script>

	<script>

	var camera, controls, scene, renderer, stats;
	var plane;
	var planeWidth = 1024;
	var resolution = 64;

	init();
	animate();

	function init() {

	camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
	camera.position.z = 800;
	controls = new THREE.TrackballControls( camera );

	scene = new THREE.Scene();

	buildMesh();

	renderer = new THREE.WebGLRenderer( { antialias: true } );
	renderer.setPixelRatio( window.devicePixelRatio );
	renderer.setSize( window.innerWidth, window.innerHeight );
	document.body.appendChild( renderer.domElement );

	stats = new Stats();
	stats.domElement.style.position = 'absolute';
	stats.domElement.style.top = '0px';
	stats.domElement.style.zIndex = 100;
	document.body.appendChild( stats.domElement );

	window.addEventListener( 'resize', onWindowResize, false );
	}

	function log( text ) {
	var e = document.getElementById( "log" );
	e.innerHTML = text; //+ "<br/>" + e.innerHTML;

	}
	function buildMesh(){
	scene.remove(plane);
	var geom = new THREE.PlaneGeometry( planeWidth, planeWidth, resolution, resolution );
	var mat = new THREE.MeshBasicMaterial( { wireframe: true } );
	plane = new THREE.Mesh( geom, mat );
	scene.add( plane );
	log("Resolution: " + resolution+"<br/>Mesh num vertices: " + geom.vertices.length);
	}
	function incRes() {
	resolution *=2;
	buildMesh();
	}
	function decRes() {
	resolution /=2;
	if(resolution < 2){
	resolution = 2;
	}
	buildMesh();
	}
	function onWindowResize() {
	camera.aspect = window.innerWidth / window.innerHeight;
	camera.updateProjectionMatrix();
	renderer.setSize( window.innerWidth, window.innerHeight );
	}
	function animate() {
	requestAnimationFrame( animate );
	stats.update();
	controls.update();
	renderer.render( scene, camera );
	}

	</script>

	</body>
	</html>