3dmooc/index2.html at master · garymarkfuller/3dmooc · GitHub

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<!doctype html>
<html>
<head>
<title>3D MOOC</title>
<script src="js/three.min.js"></script>
<script src="js/OrbitControls.js"></script>
</head>
<body style="padding: 0; margin: 0;">
<script>
var scene;
var camera;
var renderer;
var cameraControl;

function createRenderer() {
	renderer = new THREE.WebGLRenderer();
	renderer.setClearColor(0x000000, 1.0);
	renderer.setSize(window.innerWidth, window.innerHeight);
	renderer.shadowMap.enabled = true;
}

function createCamera() {
	camera = new THREE.PerspectiveCamera(
	45,
	window.innerWidth / window.innerHeight,
	0.1, 1000);
	camera.position.x = 90;
	camera.position.y = 32;
	camera.position.z = 32;
	camera.lookAt(scene.position);

	cameraControl = new THREE.OrbitControls(camera);
}

function createLight() {
	var directionalLight = new THREE.DirectionalLight(0xffffff,1);
	directionalLight.position.set(100,10,-50);
	directionalLight.name = 'directional';
	scene.add(directionalLight);

	var ambientLight = new THREE.AmbientLight(0x111111);
	scene.add(ambientLight);
}

function createEarthMaterial() {
	var earthTexture = new THREE.Texture();
	var loader = new THREE.ImageLoader();
	loader.load('assets/earthmap2k.jpg', function(image) {
		earthTexture.image = image;
		earthTexture.needsUpdate = true;
	});

	var normalTexture = new THREE.Texture();
	var loader = new THREE.ImageLoader();
	loader.load('assets/earth_normalmap_flat2k.jpg', function(image) {
		normalTexture.image = image;
		normalTexture.needsUpdate = true;
	});

	var specularTexture = new THREE.Texture();
	var loader = new THREE.ImageLoader();
	loader.load('assets/earthspec2k.jpg', function(image) {
		specularTexture.image = image;
		specularTexture.needsUpdate = true;
	});

	var earthMaterial = new THREE.MeshPhongMaterial();
	earthMaterial.map = earthTexture;

	earthMaterial.normalMap = normalTexture;
	earthMaterial.normalScale = new THREE.Vector2(0.7, 0.7);

	earthMaterial.specularMap = specularTexture;
	earthMaterial.specular = new THREE.Color(0x262626);


	return earthMaterial;
}

function createEarth() {
	var sphereGeometry = new THREE.SphereGeometry(15, 30, 30);
	var sphereMaterial = createEarthMaterial();
	var earthMesh = new THREE.Mesh(sphereGeometry, sphereMaterial);
	earthMesh.name = 'earth';
	scene.add(earthMesh);
}

function createClouds() {
	var sphereGeometry = new THREE.SphereGeometry(15.1, 30, 30);
	var cloudsTexture = new THREE.Texture();
	var loader = new THREE.ImageLoader();
	loader.load('assets/fair_clouds_1k.png', function(image) {
		cloudsTexture.image = image;
		cloudsTexture.needsUpdate = true;
	});

	var cloudMaterial = new THREE.MeshPhongMaterial();
	cloudMaterial.map = cloudsTexture;
	cloudMaterial.transparent = true;
	var cloudsMesh = new THREE.Mesh(sphereGeometry, cloudMaterial)
	cloudsMesh.name = 'clouds';

	scene.add(cloudsMesh);

}

function createStarField() {
	var sphereGeometry = new THREE.SphereGeometry(90, 32, 32);
	var envTexture = new THREE.Texture();
	var loader = new THREE.ImageLoader();
	loader.load('assets/galaxy_starfield.png', function(image) {
		envTexture.image = image;
		envTexture.needsUpdate = true;
	});

	var envMaterial = new THREE.MeshBasicMaterial();
	envMaterial.map = envTexture;
	envMaterial.side = THREE.BackSide;

	var mesh = new THREE.Mesh(sphereGeometry, envMaterial);
	scene.add(mesh);
}

function init() {
	scene = new THREE.Scene();

	createRenderer();
	createCamera();

	createLight();

	createEarth();

	createClouds();

	createStarField();

	document.body.appendChild(renderer.domElement);

	render();
}

function render() {
	cameraControl.update();

	scene.getObjectByName('earth').rotation.y += 5;
	scene.getObjectByName('clouds').rotation.y += 1;

	renderer.render(scene, camera);
	requestAnimationFrame(render);
}

init();
</script>
</body>
</html>