Doodle3D-Slicer/three.js-master/examples/webgl_loader_gltf.html

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2015-06-12 15:58:26 +02:00
<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - glTF</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #EEF;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
#container {
position: absolute;
top: 0px;
width:100%;
height:100%;
z-index: -1;
}
#controls {
position:absolute;
width:250px;
bottom:0%;
right:0%;
height:100px;
background-color:White;
opacity:.9;
font: 13px/1.231 "Lucida Grande", Lucida, Verdana, sans-serif;
}
#status {
position:absolute;
width:25%;
left:2%;
top:95%;
height:5%;
opacity:.9;
font: 13px/1.231 "Lucida Grande", Lucida, Verdana, sans-serif;
}
.control {
position:absolute;
margin-left:12px;
width:100%;
font-weight:bold;
}
.controlValue {
position:absolute;
left:36%;
top:0%;
}
#scenes_control {
position:absolute;
top:8px;
}
#cameras_control {
position:absolute;
top:40px;
}
#animations_control {
position:absolute;
top:72px;
}
#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> -
<a href="http://gltf.gl/" target="_blank">glTF</a> loader -
<br></br>
monster by <a href="http://www.3drt.com/downloads.htm" target="_blank">3drt</a> -
COLLADA duck by Sony
</div>
<div id="container">
</div>
<div id="status">
</div>
<div id="controls">
<div class="control" id="scenes_control">
Model
<select class="controlValue" id="scenes_list" size="1" onchange="selectScene();" ondblclick="selectScene();">
</select>
</div>
<div class="control" id="cameras_control">
Camera
<select class="controlValue" id="cameras_list" size="1" onchange="selectCamera();" ondblclick="selectCamera();">
</select>
</div>
<div class="control" id="animations_control">
Animations
<div class="controlValue"><input type="checkbox" checked onclick="toggleAnimations();">Play</input></div>
</div>
</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/loaders/gltf/glTF-parser.js"></script>
<script src="js/loaders/gltf/glTFLoader.js"></script>
<script src="js/loaders/gltf/glTFLoaderUtils.js"></script>
<script src="js/loaders/gltf/glTFAnimation.js"></script>
<script>
var orbitControls = null;
var container, camera, scene, renderer, loader;
var cameraIndex = 0;
var cameras = [];
var cameraNames = [];
var defaultCamera = null;
var gltf = null;
function onload() {
window.addEventListener( 'resize', onWindowResize, false );
document.addEventListener( 'keypress',
function(e) { onKeyPress(e); }, false );
buildSceneList();
switchScene(0);
animate();
}
function initScene(index) {
container = document.getElementById( 'container' );
scene = new THREE.Scene();
defaultCamera = new THREE.PerspectiveCamera( 45, container.offsetWidth / container.offsetHeight, 1, 20000 );
//defaultCamera.up = new THREE.Vector3( 0, 1, 0 );
scene.add( defaultCamera );
camera = defaultCamera;
var sceneInfo = sceneList[index];
var spot1 = null;
if (sceneInfo.addLights) {
var ambient = new THREE.AmbientLight( 0x888888 );
scene.add( ambient );
var directionalLight = new THREE.DirectionalLight( 0xdddddd );
directionalLight.position.set( 0, -1, 1 ).normalize();
scene.add( directionalLight );
spot1 = new THREE.SpotLight( 0xffffff, 1 );
spot1.position.set( -100, 200, 100 );
spot1.target.position.set( 0, 0, 0 );
if (sceneInfo.shadows) {
spot1.shadowCameraNear = 1;
spot1.shadowCameraFar = 1024;
spot1.castShadow = true;
spot1.shadowDarkness = 0.3;
spot1.shadowBias = 0.0001;
spot1.shadowMapWidth = 2048;
spot1.shadowMapHeight = 2048;
}
scene.add( spot1 );
}
// RENDERER
renderer = new THREE.WebGLRenderer({antialias:true});
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
if (sceneInfo.shadows) {
renderer.shadowMapEnabled = true;
renderer.shadowMapSoft = true;
renderer.shadowMapType = THREE.PCFSoftShadowMap;
}
container.appendChild( renderer.domElement );
var ground = null;
if (sceneInfo.addGround) {
var groundMaterial = new THREE.MeshPhongMaterial({
color: 0xFFFFFF,
shading: THREE.SmoothShading,
});
ground = new THREE.Mesh( new THREE.PlaneBufferGeometry(1024, 1024), groundMaterial);
if (sceneInfo.shadows) {
ground.receiveShadow = true;
}
if (sceneInfo.groundPos) {
ground.position.copy(sceneInfo.groundPos);
}
else {
ground.position.z = -70;
}
ground.rotation.x = -Math.PI / 2;
scene.add(ground);
}
loader = new THREE.glTFLoader;
var loadStartTime = Date.now();
var status = document.getElementById("status");
status.innerHTML = "Loading...";
loader.load( sceneInfo.url, function(data) {
gltf = data;
var object = gltf.scene;
var loadEndTime = Date.now();
var loadTime = (loadEndTime - loadStartTime) / 1000;
status.innerHTML = "Load time: " + loadTime.toFixed(2) + " seconds.";
if (sceneInfo.cameraPos)
defaultCamera.position.copy(sceneInfo.cameraPos);
if (sceneInfo.center) {
orbitControls.center.copy(sceneInfo.center);
}
if (sceneInfo.objectPosition) {
object.position.copy(sceneInfo.objectPosition);
if (spot1) {
spot1.position.set(sceneInfo.objectPosition.x - 100, sceneInfo.objectPosition.y + 200, sceneInfo.objectPosition.z - 100 );
spot1.target.position.copy(sceneInfo.objectPosition);
}
}
if (sceneInfo.objectRotation)
object.rotation.copy(sceneInfo.objectRotation);
if (sceneInfo.objectScale)
object.scale.copy(sceneInfo.objectScale);
cameraIndex = 0;
cameras = [];
cameraNames = [];
if (gltf.cameras && gltf.cameras.length)
{
var i, len = gltf.cameras.length;
for (i = 0; i < len; i++)
{
var addCamera = true;
var cameraName = gltf.cameras[i].parent.name;
if (sceneInfo.cameras && !(cameraName in sceneInfo.cameras)) {
addCamera = false;
}
if (addCamera) {
cameraNames.push(cameraName);
cameras.push(gltf.cameras[i]);
}
}
updateCamerasList();
switchCamera(1);
}
else
{
updateCamerasList();
switchCamera(0);
}
if (gltf.animations && gltf.animations.length) {
var i, len = gltf.animations.length;
for (i = 0; i < len; i++) {
var animation = gltf.animations[i];
animation.loop = true;
// There's .3333 seconds junk at the tail of the Monster animation that
// keeps it from looping cleanly. Clip it at 3 seconds
if (sceneInfo.animationTime)
animation.duration = sceneInfo.animationTime;
animation.play();
}
}
scene.add( object );
onWindowResize();
});
orbitControls = new THREE.OrbitControls(defaultCamera, renderer.domElement);
}
function onWindowResize() {
defaultCamera.aspect = container.offsetWidth / container.offsetHeight;
defaultCamera.updateProjectionMatrix();
var i, len = cameras.length;
for (i = 0; i < len; i++) // just do it for default
{
cameras[i].aspect = container.offsetWidth / container.offsetHeight;
cameras[i].updateProjectionMatrix();
}
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
THREE.glTFAnimator.update();
if (cameraIndex == 0)
orbitControls.update();
render();
}
function render() {
renderer.render( scene, camera );
}
function onKeyPress(event) {
var chr = String.fromCharCode(event.keyCode);
if (chr == ' ')
{
index = cameraIndex + 1;
if (index > cameras.length)
index = 0;
switchCamera(index);
}
else {
var index = parseInt(chr);
if (!isNaN(index) && (index <= cameras.length)) {
switchCamera(index);
}
}
}
var sceneList =
[
{ name : "Monster", url : "./models/gltf/monster/monster.json",
cameraPos: new THREE.Vector3(30, 10, 70),
objectScale: new THREE.Vector3(0.01, 0.01, 0.01),
objectPosition: new THREE.Vector3(0, 1, 0),
objectRotation: new THREE.Euler(-Math.PI / 2, 0, -Math.PI / 2),
animationTime: 3,
addLights:true,
shadows:true,
addGround:true },
{ name : "Duck", url : "./models/gltf/duck/duck.json",
cameraPos: new THREE.Vector3(0, 30, -50),
objectScale: new THREE.Vector3(0.1, 0.1, 0.1),
addLights:true,
addGround:true,
shadows:true },
];
function buildSceneList()
{
var elt = document.getElementById('scenes_list');
while( elt.hasChildNodes() ){
elt.removeChild(elt.lastChild);
}
var i, len = sceneList.length;
for (i = 0; i < len; i++)
{
option = document.createElement("option");
option.text=sceneList[i].name;
elt.add(option);
}
}
function switchScene(index)
{
cleanup();
initScene(index);
var elt = document.getElementById('scenes_list');
elt.selectedIndex = index;
}
function selectScene()
{
var select = document.getElementById("scenes_list");
var index = select.selectedIndex;
if (index >= 0)
{
switchScene(index);
}
}
function switchCamera(index)
{
cameraIndex = index;
if (cameraIndex == 0) {
camera = defaultCamera;
}
if (cameraIndex >= 1 && cameraIndex <= cameras.length) {
camera = cameras[cameraIndex - 1];
}
var elt = document.getElementById('cameras_list');
elt.selectedIndex = cameraIndex;
}
function updateCamerasList() {
var elt = document.getElementById('cameras_list');
while( elt.hasChildNodes() ){
elt.removeChild(elt.lastChild);
}
option = document.createElement("option");
option.text="[default]";
elt.add(option);
var i, len = cameraNames.length;
for (i = 0; i < len; i++)
{
option = document.createElement("option");
option.text=cameraNames[i];
elt.add(option);
}
}
function selectCamera() {
var select = document.getElementById("cameras_list");
var index = select.selectedIndex;
if (index >= 0)
{
switchCamera(index);
}
}
function toggleAnimations() {
var i, len = gltf.animations.length;
for (i = 0; i < len; i++) {
var animation = gltf.animations[i];
if (animation.running) {
animation.stop();
}
else {
animation.play();
}
}
}
function cleanup() {
if (container && renderer)
{
container.removeChild(renderer.domElement);
}
cameraIndex = 0;
cameras = [];
cameraNames = [];
defaultCamera = null;
if (!loader || !gltf.animations)
return;
var i, len = gltf.animations.length;
for (i = 0; i < len; i++) {
var animation = gltf.animations[i];
if (animation.running) {
animation.stop();
}
}
}
onload();
</script>
</body>
</html>