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peer.html
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peer.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div id="container">
<p id="location"></p>
<p id="peers"></p>
</div>
<script src="/bundle.js"></script>
<script src="/matrix4.js"></script>
<script src="/build/jquery-1.4.min.js"></script>
<script src="/build/three.js"></script>
<script src="/js/loaders/ColladaLoader.js"></script>
<script src="/js/libs/stats.min.js"></script>
<script src="/js/controls/thirdPersonControls.js"></script>
<script src="/scene-scale.js"></script>
<script type="text/javascript">
/*问题：
2.异步处理不恰当
3.文件没有流处理
7.没有山地地形且没有碰撞检测
*/
var WebTorrent=require("webtorrent");
/*******************************************************/
//尺寸定义
var SCREEN_WIDTH = window.innerWidth;
var SCREEN_HEIGHT = window.innerHeight;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
//webgl全局变量
var stats;
var controls;//角色移动
var camera, scene;
var canvasRenderer, webglRenderer;//渲染器
var clock = new THREE.Clock();
var mesh, zmesh, geometry;
var avatarModel;
var theta;
var skyBox;
var peerInfo;
var mouseX = 0, mouseY = 0;
var FLOOR = 0;
var render_canvas = 0, render_gl = 1;
var maxXCell=0,maxYCell=0,minXCell=1000,minYCell=1000;
var renderOKFlag=false;//是否可以开始渲染，在所有场景模型处理过一边后置1
var workerNum=3;
var sceneScale= new SceneScale({
maxX:1.1e3,
minX:-1.1e3,
maxY:1.1e3,
minY:-1.1e3,
stepX:22,
stepY:22
});
var aoiRange=3000;
var animateFlag=false;
var container = document.getElementById( 'container' );
var originalMeshData=[]; //存储原始模型信息
var cellMeshData={}; //存储每一个网格内各模型信息
var cellLoadFlag={};//存储每一个网格内模型加载flag
var colorLib=[];//存储颜色
var calWorker=[];//存储子线程
var peerAddress=[];//存储peers
/********************************************************/
var client=new WebTorrent({
rtcConfig:{
"iceServers":[
{"url":"stun:23.21.150.121","urls":"stun:23.21.150.121"},{"url":"turn:global.turn.twilio.com:3478?transport=udp","username":"b2f027d56b89bdaffe72ea7c3c74683dd8a7ed7671e00b140112e0c627fac70f","credential":"6i8fALIIfBrds2eBM9wz/l3Q3SgpVsrJhiu+MW7NO0o=","urls":"turn:global.turn.twilio.com:3478?transport=udp"},{"url":"turn:global.turn.twilio.com:3478?transport=tcp","username":"b2f027d56b89bdaffe72ea7c3c74683dd8a7ed7671e00b140112e0c627fac70f","credential":"6i8fALIIfBrds2eBM9wz/l3Q3SgpVsrJhiu+MW7NO0o=","urls":"turn:global.turn.twilio.com:3478?transport=tcp"},{"url":"turn:global.turn.twilio.com:443?transport=tcp","username":"b2f027d56b89bdaffe72ea7c3c74683dd8a7ed7671e00b140112e0c627fac70f","credential":"6i8fALIIfBrds2eBM9wz/l3Q3SgpVsrJhiu+MW7NO0o=","urls":"turn:global.turn.twilio.com:443?transport=tcp"}
]
}
});
init();
animate();
function init() {
scene = new THREE.Scene();
//小地图和坐标
locationPoint = document.getElementById("location");
locationPoint.style.location = 'absolute';
locationPoint.style.right = 100;
//其他节点地址信息
peerInfo=document.getElementById('peers');
//peerInfo.innerHTML=peerAddressLog;
//第三人称相机
camera = new THREE.PerspectiveCamera(75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000);
camera.position.z = 0;
camera.position.x = 0;
camera.position.y = 300;
var lookPosition = new THREE.Vector3(300, 300, 0);
camera.lookAt(lookPosition);
// 地面
var mapUrl = "/images/grass.jpg";
var map = THREE.ImageUtils.loadTexture(mapUrl);
var xm = new THREE.MeshBasicMaterial({map: map});
geometry = new THREE.PlaneGeometry(1, 1, 150, 100);
mesh = new THREE.Mesh(geometry, xm);
mesh.position.set(0, FLOOR, 0);
mesh.rotation.x = -Math.PI / 2;
mesh.scale.set(1000, 1000, 100);
scene.add(mesh);
// 灯光
var ambient = new THREE.AmbientLight(0x221100);
scene.add(ambient);
var directionalLight = new THREE.DirectionalLight(0xffeedd, 1.5);
directionalLight.position.set(0, -70, 100).normalize();
scene.add(directionalLight);
// 渲染器
if (render_gl) {
try {
webglRenderer = new THREE.WebGLRenderer();
webglRenderer.setClearColor(0xffffff);
webglRenderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
webglRenderer.domElement.style.position = "relative";
container.appendChild(webglRenderer.domElement);
}
catch (e) {
}
}
if (render_canvas) {
canvasRenderer = new THREE.CanvasRenderer();
canvasRenderer.setClearColor(0xffffff);
canvasRenderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
container.appendChild(canvasRenderer.domElement);
}
// STATS
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
stats.domElement.style.zIndex = 100;
container.appendChild(stats.domElement);
//人物化身及动画
var daeLoader = new THREE.ColladaLoader();
daeLoader.load("/models/collada/avatar.dae", function (collada) {
collada.scene.traverse(function (child) {
if (child instanceof THREE.SkinnedMesh) {
var animation = new THREE.Animation(child, child.geometry.animation);
window.addEventListener('keydown', function () {
if (!animateFlag) {
animation.play();
animateFlag = true;
}
}, false);
window.addEventListener('keyup', function () {
animation.stop();
animateFlag = false;
}, false);
}
});
collada.scene.scale.set(10, 10, 10);
collada.scene.position.set(camera.position.x + 200, 0, 0);
avatarModel = collada.scene;
scene.add(avatarModel);
controls = new THREE.ThirdPersonControls(avatarModel);
controls.movementSpeed = 10;
controls.lookSpeed = 50;
controls.lookVertical = false;
controls.constrainVertical = false;
controls.verticalMin = 1.1;
controls.verticalMax = 2.2;
});
//天空盒
var imgs = [
"/skybox/px.jpg", "/skybox/nx.jpg", "/skybox/py.jpg", "/skybox/ny.jpg", "/skybox/pz.jpg", "/skybox/nz.jpg"
];
var textureCube = THREE.ImageUtils.loadTextureCube(imgs);
var shader = THREE.ShaderLib["cube"];
shader.uniforms["tCube"].value = textureCube;
var material = new THREE.ShaderMaterial({
fragmentShader: shader.fragmentShader,
vertexShader: shader.vertexShader,
uniforms: shader.uniforms,
depthWrite: false,
side: THREE.BackSide
}),
skyBox = new THREE.Mesh(new THREE.BoxGeometry(100000, 100000, 100000), material);
scene.add(skyBox);
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.status == 200 && xhr.readyState == 4) {
sceneHandle(xhr.responseText);
}
};
xhr.open('GET', "/data/sceneData/sceneData.json");
xhr.send();
}
function sceneHandle(result) {
var sceneData = JSON.parse(result);
for (var p = 0; p < sceneData.meshes.length; p++) {
var meshBox = sceneData.meshes[p].bbox;
var meshMin = {x: meshBox[0], y: meshBox[1], z: meshBox[2]};
var meshMax = {x: meshBox[3], y: meshBox[4], z: meshBox[5]};
var position = {};
position.x = (meshMin.x + meshMax.x) / 2;
position.y = (meshMin.y + meshMax.y) / 2;
position.z = (meshMin.z + meshMax.z) / 2;
position.m = new THREE.Matrix4(position.x, position.y, position.z, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
sceneData.meshes[p].position = position;
var a=sceneData.meshes[p].meshID.toString();
var b= a.length-3;
var c= a.substr(0,b);
sceneData.meshes[p].group=sceneData.group[parseInt(c)];
originalMeshData[sceneData.meshes[p].meshID] = sceneData.meshes[p];
}
//遍历树型json**************************************/
var tempTrans = []; //存储树根到叶子的全部转换矩阵
sceneData.node = [];//存储各个模型数据
function recurseJson(node) {
if ("nodes" in node) {
tempTrans.push(node.transform);
for (var i = 0; i < node.nodes.length; i++) {
recurseJson(node.nodes[i]);
}
tempTrans.pop();
return 1;
}
else {
tempTrans.push(node.transform);
var tempMatrix = new THREE.Matrix4(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1); //存储中间计算过程中的临时矩阵
for (var i = tempTrans.length - 1; i >= 0; i--) {
var t = tempTrans[i];
var m1 = new THREE.Matrix4(t[0], t[1], t[2], t[3], t[4], t[5], t[6], t[7], t[8], t[9], t[10], t[11], t[12], t[13], t[14], t[15]);
tempMatrix.multiply(m1);
}
var tempP = originalMeshData[node.meshID].position.m;
node.finalTransform = tempMatrix;
var tempPosition = new THREE.Matrix4(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
tempPosition.multiplyMatrices(tempP, tempMatrix);
var a = tempPosition.elements[0];
var b = tempPosition.elements[4];
var c = tempPosition.elements[8];
var ps = {x: a, y: b, z: c};
node.position = ps;
sceneScale.locateCell(ps);
node.xCell = sceneScale.xCell;
node.yCell = sceneScale.yCell;
if ((node.xCell) > maxXCell) {
maxXCell = node.xCell;
}
if ((node.yCell) > maxYCell) {
maxYCell = node.yCell;
}
if ((node.xCell) < minXCell) {
minXCell = node.xCell;
}
if ((node.yCell) < minYCell) {
minYCell = node.yCell;
}
sceneData.node.push(node);
tempTrans.pop();
return 1;
}
}
recurseJson(sceneData.rootnode);
console.log(maxXCell, minXCell, maxYCell, minYCell);
/*********************读取meshID对应的magnet***************/
sceneData.magnet.forEach(function (obj) {
originalMeshData[obj.meshID].magnetUrl = obj.magnetUrl;
});
/*originalMeshData.forEach(function(obj){
obj.magnetUrl=sceneData.magnet[obj.meshID].magnetUrl;
});*/
/*********************************************************/
for (var xr = 0; xr < 1000; xr++) {
cellMeshData[xr] = [];
cellLoadFlag[xr] = [];
for (var zr = 0; zr < 1000; zr++) {
cellMeshData[xr][zr] = [];
cellLoadFlag[xr][zr] = false;
}
}
for (var l = 0; l < sceneData.node.length; l++) {
var x = sceneData.node[l].xCell;
var z = sceneData.node[l].yCell;
cellMeshData[x][z].push(sceneData.node[l]);
}
colorLib = [0xCD0000, 0xFFA500, 0xFFFF00, 0x90EE90, 0x7EC0EE, 0xEE30A7, 0xB23AEE, 0x919191, 0x8B4513, 0x0A0A0A];
/*模型加载子线程的相关函数*/
/*for(var i=0;i<loadWorkerNum;i++){
loadWorker[i]=new Worker("/modelLoader.js");
loadWorker[i].onmessage=function(event){
var geometryData=event.data.geometryData;
var q=event.data.node;
var content=event.data.content;
originalMeshData[q.meshID].geometry=copyModel(geometryData);
for(var i=0;i<originalMeshData[q.meshID].waitForLoad.length;i++){
var m=originalMeshData[q.meshID].waitForLoad[i].jobID%workerNum;
calWorker[m].postMessage({type:"waitForLoad",geometry:originalMeshData[q.meshID].geometry,
node:originalMeshData[q.meshID].waitForLoad[i].node});
}
originalMeshData[q.meshID].flag = "isload";
glRtc.fileAddressor.writeFile(JSON.stringify(content),"modelData/"+ q.meshID+".json");
};
loadWorker[i].onerror=function(event){
console.log(event.data);
};
}*/
/*********************************************************/
/*模型矩阵计算的子线程*/
for(var i=0;i< workerNum;i++){
calWorker[i]= new Worker("/matrixCalculating.js");
calWorker [i].onmessage=function(event){
switch(event.data.type){
case"waitForLoad" :
var fGeometry=event.data.fGeometry;
var tempGeometry =copyModel(fGeometry);
var tempModel = new THREE.Mesh(tempGeometry,
new THREE.MeshBasicMaterial({color: colorLib[Math.round(Math.random()*10)]}));
scene.add(tempModel);
console.log("model add ok!");
break;
case "done":
var tempGeometry=copyModel(event.data.qGeometry);
var tempModel=new THREE.Mesh(tempGeometry,
new THREE.MeshBasicMaterial({color: colorLib[Math.round(Math.random()*10)]}));
scene.add(tempModel);
break;
default:
break;
}
};
calWorker[i].onerror= function(event){
console.log(event.data);
};
}
/***************************************************************/
var jobID=0;
for (var xr = 0; xr < 1000; xr++) {
for (var zr = 0; zr < 1000; zr++) {
for (var l = 0; l < cellMeshData[xr][zr].length; l++) {
var q = cellMeshData[xr][zr][l];
originalMeshData[q.meshID].waitForLoad = [];//把每一个waitforload初始化
}
}
}
var currentPos={};
currentPos.x= avatarModel.position.x;
currentPos.y=avatarModel.position.z;
locationPoint.innerHTML='('+avatarModel.position.x+','+avatarModel.position.y+','+avatarModel.position.z+')';
sceneScale.locateCell(currentPos);
var xr=sceneScale.xCell;
var zr=sceneScale.yCell;
console.log(xr,zr);
cellLoadFlag[xr][zr]=true;
for (var l = 0; l < cellMeshData[xr][zr].length; l++) {
var q = cellMeshData[xr][zr][l];
console.log(xr, zr, l, "there are",cellMeshData[xr][zr].length,"trees");
jobID++;
if ("flag" in originalMeshData[q.meshID].group) {
if (originalMeshData[q.meshID].group.flag == "isload") {
console.log(q.meshID,"doneload");
var n = jobID % workerNum;
calWorker[n].postMessage({
type: "done",
geometry: originalMeshData[q.meshID].geometry,
node: q
});
}
else if (originalMeshData[q.meshID].group.flag == "isloading") {
// originalMeshData[q.meshID].group.waitForLoad.push({node: q, jobID: jobID});
originalMeshData[q.meshID].waitForLoad.push({node: q, jobID: jobID});
console.log(q.meshID, "push", originalMeshData[q.meshID].waitForLoad.length);
}
}
else {
//1.去掉下载模型时的webworker，保留处理模型数据的webworker,并且全写入webtorrent里面 //2.webtorrent里面都是二进制数据，怎么改成json
//3.webworker的消息循环队列
//4。需要开多少webworker
//5.一格稍微画大一点
//6.下载需要magnet uri //7.方案一：由server来发种子，server本身也作为node参与下载 //方案二：初始文件全部保存在一个peer上，peer上传文件seed。中心服务器只做tracker，不提供文件下载 //8.由seed peer发布种子，正常情况下，应该是节点询问seed peer，seed peer告知。之后该信息缓存在每一个节点上 //但是为了方便，我们直接把magnet url 写进sceneData里，免去通信的麻烦了
originalMeshData[q.meshID].group.flag = "isloading";
console.log(q.meshID, "unload");
//loadJobID++; //var k = loadJobID % loadWorkerNum;
//originalMeshData[q.meshID].group.waitForLoad.push({node: q, jobID: jobID});
originalMeshData[q.meshID].waitForLoad.push({node: q, jobID: jobID});
//loadWorker[k].postMessage({node: q, type: "superNode"});
var magnetUrl= originalMeshData[q.meshID].group.infoHash;
var cDate=new Date();
originalMeshData[q.meshID].group.timeStart=cDate.getTime();
client.add(magnetUrl,{
announce:['ws://cg.tongji.edu.cn:80']
},function(torrent){
console.log('Client is downloading:', torrent.infoHash);
torrent.on('wire',function(wire){
console.log("new node"+wire.peerId.toString()+''+wire.remoteAddress);
});
torrent.on('peer',function(peer){
if(peerAddress.every(function(element,index,array){
return element.id!==peer.id;
})){
peerAddress.push(peer);
peerInfo.innerHTML=peerInfo.innerHTML+" "+peer.id;
console.log("new peerAddress",peerAddress);
}else{
console.log("old peer");
}
});
torrent.on('done',function(){
var cDate=new Date();
originalMeshData[q.meshID].group.timeEnd=cDate.getTime();
originalMeshData[q.meshID].group.loadTime=originalMeshData[q.meshID].group.timeEnd
-originalMeshData[q.meshID].group.timeStart;
console.log("group"+originalMeshData[q.meshID].group.groupID+"time:"+
originalMeshData[q.meshID].group.loadTime);
});
torrent.on('download', function (bytes) {
console.log('just downloaded: ' + bytes);
console.log('total downloaded: ' + torrent.downloaded);
console.log('download speed: ' + torrent.downloadSpeed);
console.log('progress: ' + torrent.progress);
});
torrent.files.forEach(function(file){
file.getBuffer(function (err,buf){
if(err){
console.log("get file buffer error");
} else{
var meshID=file.name.split('.')[0];
var fileString= buf.toString();
console.log("file doneload");
handleResult(JSON.parse(fileString),meshID);
}
});
});
}
);
}
}
renderOKFlag=true;
}
/* result {object}
* q {object}
* */
function handleResult(content,meshID){
var geometry={faceVertexUvs:[],vertices:[],faces:[]};
parseModel(content);
originalMeshData[meshID].geometry=copyModel(geometry);
originalMeshData[meshID].group.flag = "isload";
for(var i=0;i<originalMeshData[meshID].waitForLoad.length;i++){
var m=originalMeshData[meshID].waitForLoad[i].jobID%workerNum;
calWorker[m].postMessage({type:"waitForLoad", geometry:originalMeshData[meshID].geometry,
node:originalMeshData[meshID].waitForLoad[i].node});
}
function parseModel( json ) {
var i, offset, zLength,
vertex, face,
faces =json.faces,
vertices = json.verts,nUvLayers = 0;
if (json.uvs !== undefined ) {for ( i = 0; i < json.uvs.length; i ++ ) {
if (json.uvs[ i ].length ) nUvLayers ++;
}
for ( i = 0; i < nUvLayers; i ++ ) {
geometry.faceVertexUvs[ i ] = [];
}
}
offset = 0;
zLength = vertices.length;
while ( offset < zLength ) {
vertex ={};
vertex.x = vertices[ offset++ ];
vertex.y = vertices[offset++ ] ;
vertex.z = vertices[offset ++ ] ;
geometry.vertices.push( vertex );
}
offset = 0;
zLength = faces.length;
while ( offset < zLength ) {
face = {};
face.a = faces[ offset ++ ];
face.b = faces[offset ++ ];
face.c = faces[offset ++ ];
geometry.faces.push( face );
}
}
}
function renderingLoad(){
if(renderOKFlag==true) {
var jobID = 0;
var currentPos = {};
currentPos.x = avatarModel.position.x;
currentPos.y = avatarModel.position.z;
locationPoint.innerHTML='('+avatarModel.position.x+','+avatarModel.position.y+','+avatarModel.position.z+')';
sceneScale.locateCell(currentPos);
var xr = sceneScale.xCell;
var zr = sceneScale.yCell;
if (cellLoadFlag[xr][zr] == false) {
cellLoadFlag[xr][zr] = true;
console.log("in this rol",xr,zr,"there are",cellMeshData[xr][zr].length,"trees");
for (var l = 0; l < cellMeshData[xr][zr].length; l++) {
var q = cellMeshData[xr][zr][l];
jobID++;
if ("flag" in originalMeshData[q.meshID].group) {
if (originalMeshData[q.meshID].group.flag == "isload") {
console.log(q.meshID,"doneload");
var n = jobID % workerNum;
calWorker[n].postMessage({
type: "done",
geometry: originalMeshData[q.meshID].geometry,
node: q
});
}
else if (originalMeshData[q.meshID].group.flag == "isloading") {
//originalMeshData[q.meshID].group.waitForLoad.push({node: q, jobID: jobID});
originalMeshData[q.meshID].waitForLoad.push({node: q, jobID: jobID});
console.log(q.meshID, "push", originalMeshData[q.meshID].waitForLoad.length);
}
}
else {
originalMeshData[q.meshID].group.flag = "isloading";
console.log(q.meshID,"unload");
//loadJobID++;
//var k = loadJobID % loadWorkerNum;
//originalMeshData[q.meshID].group.waitForLoad.push({node: q, jobID: jobID});
originalMeshData[q.meshID].waitForLoad.push({node: q, jobID: jobID});
//loadWorker[k].postMessage({node: q, type: "superNode"});
var magnetUrl= originalMeshData[q.meshID].group.infoHash;
var result='';
var cDate=new Date();
originalMeshData[q.meshID].group.timeStart=cDate.getTime();
client.add(magnetUrl,{
announce:['ws://cg.tongji.edu.cn:80']
}, function(torrent){
console.log('Client is downloading:', torrent.infoHash);
torrent.on('wire',function(wire){
console.log("new node"+wire.peerId.toString()+''+wire.remoteAddress);
});
torrent.on('peer',function(peer){
if(peerAddress.every(function(element){
return element.id!==peer.id;
})){
peerAddress.push(peer);
peerInfo.innerHTML=peerInfo.innerHTML+" "+peer.id;
console.log("new peerAddress",peerAddress);
}else{
console.log("old peer");
}
});
torrent.on('done',function(){
var cDate=new Date();
originalMeshData[q.meshID].group.timeEnd=cDate.getTime();
originalMeshData[q.meshID].group.loadTime=originalMeshData[q.meshID].group.timeEnd
-originalMeshData[q.meshID].group.timeStart;
console.log("group"+originalMeshData[q.meshID].group.groupID+"time:"+
originalMeshData[q.meshID].group.loadTime);
});
torrent.on('download', function (bytes) {
console.log('just downloaded: ' + bytes);
console.log('total downloaded: ' + torrent.downloaded);
console.log('download speed: ' + torrent.downloadSpeed);
console.log('progress: ' + torrent.progress);
});
torrent.files.forEach(function(file){
file.getBuffer(function(err,buf){
if(err){
console.log("get file buffer error");
}else{
var meshID=file.name.split('.')[0];
var fileString= buf.toString();
console.log("file doneload");
handleResult(JSON.parse(fileString),meshID);
}
});
});
}
);
}
}
}
}
}
function copyModel(geometryData){
var geometry=new THREE.Geometry();
for(var i=0;i<geometryData.vertices.length;i++){
var vertex=new THREE.Vector3();
vertex.x=geometryData.vertices[i].x;
vertex.y=geometryData.vertices[i].y;
vertex.z=geometryData.vertices[i].z;
geometry.vertices[i] =vertex;
}
for(var i=0;i< geometryData.faces.length;i++){
var face=new THREE.Face3();
face.a=geometryData.faces[i].a;
face.b= geometryData.faces[i].b;
face.c=geometryData.faces[i].c;
geometry.faces[i]=face;
}
geometry.computeFaceNormals();
geometry.computeBoundingSphere();
return geometry;
}
function animate() {
var delta = clock.getDelta();
render();
if(controls) {
theta=controls.update(delta);
}
if(avatarModel){
camera.position.x=avatarModel.position.x-10*Math.cos(theta);
camera.position.y=avatarModel.position.y+15;
camera.position.z=avatarModel.position.z-10*Math.sin(theta);
var lookPosition = new THREE.Vector3(avatarModel.position.x, camera.position.y, avatarModel.position.z );
camera.lookAt(lookPosition);
}
renderingLoad();
requestAnimationFrame( animate );
THREE.AnimationHandler.update( delta );
stats.update();
}
function render() {
if (render_gl ) webglRenderer.render(scene, camera);
}
</script>
</body>
</html>