basic.html

<!DOCTYPE html>
<script src='vendor/three.js/build/three.min.js'></script>
<script src='../threex.grassground.js'></script>
<body style='margin: 0px; background-color: #bbbbbb; overflow: hidden;'><script>
	var renderer	= new THREE.WebGLRenderer();
	renderer.setSize( window.innerWidth, window.innerHeight );
	document.body.appendChild( renderer.domElement );

	var onRenderFcts= [];
	var scene	= new THREE.Scene();
	var camera	= new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.01, 10000);
	camera.position.z = 3;

	//////////////////////////////////////////////////////////////////////////////////
	//		set 3 point lighting						//
	//////////////////////////////////////////////////////////////////////////////////

	;(function(){
		// add a ambient light
		var light	= new THREE.AmbientLight( 0x020202 )
		scene.add( light )
		// add a light in front
		var light	= new THREE.DirectionalLight('white', 1)
		light.position.set(0.5, 0.5, 2)
		scene.add( light )
		// add a light behind
		var light	= new THREE.DirectionalLight('white', 0.75)
		light.position.set(-0.5, 2.5, -2)
		scene.add( light )
	})()

	//////////////////////////////////////////////////////////////////////////////////
	//		add the grass ground				//
	//////////////////////////////////////////////////////////////////////////////////	
	var mesh	= new THREEx.GrassGround({
		width		: 10,
		height		: 10,
		repeatX		: 10,
		repeatY		: 10,
	})
	// mesh.scale.multiplyScalar(10)
	console.dir(mesh)
	scene.add(mesh)
	
	
	//////////////////////////////////////////////////////////////////////////////////
	//		add a blue sky							//
	//////////////////////////////////////////////////////////////////////////////////
	
	
	// directly from @mrdoob in http://mrdoob.com/lab/javascript/webgl/clouds/
	var canvas	= document.createElement( 'canvas' );
	var context	= canvas.getContext( '2d' );
	canvas.width	= 32;
	canvas.height	= window.innerHeight;

	var gradient	= context.createLinearGradient( 0, 0, 0, canvas.height );
	gradient.addColorStop(0  , "#1e4877");
	gradient.addColorStop(0.5, "#4584b4");

	context.fillStyle	= gradient;
	context.fillRect(0, 0, canvas.width, canvas.height);

	var url		= canvas.toDataURL('image/png');
	document.body.style.background	= 'url(' + url + ')';

	//////////////////////////////////////////////////////////////////////////////////
	//		Camera Controls							//
	//////////////////////////////////////////////////////////////////////////////////
	var mouse	= {x : 0, y : 0}
	document.addEventListener('mousemove', function(event){
		mouse.x	= (event.clientX / window.innerWidth ) - 0.5
		mouse.y	= (event.clientY / window.innerHeight) - 0.5
	}, false)
	onRenderFcts.push(function(delta, now){
		camera.position.x += (mouse.x*5 - camera.position.x) * (delta*3)
		camera.position.y += (mouse.y*5 - camera.position.y + 1) * (delta*3)
		camera.lookAt( scene.position )
	})


	//////////////////////////////////////////////////////////////////////////////////
	//		render the scene						//
	//////////////////////////////////////////////////////////////////////////////////
	onRenderFcts.push(function(){
		renderer.render( scene, camera );		
	})
	
	//////////////////////////////////////////////////////////////////////////////////
	//		loop runner							//
	//////////////////////////////////////////////////////////////////////////////////
	var lastTimeMsec= null
	requestAnimationFrame(function animate(nowMsec){
		// keep looping
		requestAnimationFrame( animate );
		// measure time
		lastTimeMsec	= lastTimeMsec || nowMsec-1000/60
		var deltaMsec	= Math.min(200, nowMsec - lastTimeMsec)
		lastTimeMsec	= nowMsec
		// call each update function
		onRenderFcts.forEach(function(onRenderFct){
			onRenderFct(deltaMsec/1000, nowMsec/1000)
		})
	})
</script></body>