495 lines
14 KiB
HTML
495 lines
14 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="full-screen" content="yes">
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<meta name="browsermode" content="application">
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<meta name="x5-orientation" content="portrait">
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<meta name="x5-fullscreen" content="true">
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<meta name="x5-page-mode" content="app">
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<meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no,minimal-ui">
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="apple-mobile-web-app-title" content="应用标题">
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<meta content="telephone=no" name="format-detection" />
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<meta content="email=no" name="format-detection" />
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<title>VR 亿企云平台</title>
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</head>
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<body onload="draw();">
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<div style="position: fixed;">
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<div id="moAccel"></div>
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<div id="moCalcTiltLR"></div>
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<div id="moCalcTiltFB"></div>
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<div id="imgLogo">-----------------</div>
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<div id="arrow"></div>
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<div id="acceleration"></div>
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</div>
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<script type="application/javascript">
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(function () {
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var arrow = document.getElementById("arrow");
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try {
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var text = "";
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window.addEventListener("deviceorientation", orientationHandler, false);
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function orientationHandler(event) {
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text = ""
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text += "左右旋转：rotate alpha{" + Math.round(event.alpha) + "deg)<br>";
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text += "前后旋转：rotate beta{" + Math.round(event.beta) + "deg)<br>";
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text += "扭转设备：rotate gamma{" + Math.round(event.gamma) + "deg)<br>";
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arrow.innerHTML = text;
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}
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}
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catch (e) {
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arrow.innerHTML = e.message
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}
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})()
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</script>
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<script type="application/javascript">
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var vx = vy = vz = 0; //用以获取xyz轴当前的数据
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var sx = sy = sz = 0;
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var startTime = new Date().getTime(); // 最初的开始时间，单位：毫秒
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function deviceMotionHandler2(eventData) {
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// 捕捉重力加速度
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var acceleration = eventData.accelerationIncludingGravity;
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// 打印加速数据
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var rawAcceleration = "[" + Math.round(acceleration.x) + ", " +Math.round(acceleration.y) + ", " + Math.round(acceleration.z) + "]";
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// Z轴,可知设备朝上或者朝下
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var facingUp = -1;
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if (acceleration.z > 0) {
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facingUp = +1;
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}
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// 根据重力通过 acceleration.x|y 转换得到加速值,
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// 运用重力加速度9.81来计算得到一个百分比然后乘以转换角度90
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var tiltLR = Math.round(((acceleration.x) / 9.81) * -90);
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var tiltFB = Math.round(((acceleration.y + 9.81) / 9.81) * 90 * facingUp);
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// 打印加速度的计算结果
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document.getElementById("moAccel").innerHTML = rawAcceleration;
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document.getElementById("moCalcTiltLR").innerHTML = tiltLR;
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document.getElementById("moCalcTiltFB").innerHTML = tiltFB;
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// 将2D和3D的转换应用到图片上
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var rotation = "rotate(" + tiltLR + "deg) (1,0,0, " + (tiltFB) + "deg)";
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document.getElementById("imgLogo").innerHTML = rotation;
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}
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if (window.DeviceMotionEvent) {
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window.addEventListener('devicemotion', function deviceMotionHandler(eventData){
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deviceMotionHandler2(eventData)
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// document.getElementById("acceleration").innerText = "dz = " + eventData.acceleration.x.toFixed(2) + " " + eventData.accelerationIncludingGravity.x.toFixed(2)
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var currTime = new Date().getTime(); //当前时间
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var diffTime = currTime - startTime;//当前时间减最初时间，得到当前时间差
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var acceleration = eventData.acceleration; //获得加速器对象
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var x = acceleration.x
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var y = acceleration.y
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var z = acceleration.z
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vx += x; //获取x轴当前加速度
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vy += y; //获取y轴当前加速度
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vz += z; //获取z轴当前加速度
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sx += diffTime * vx
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sy += diffTime * vy
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sz += diffTime * vz
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document.getElementById("acceleration").innerText = "\r\n" +
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"x = " + x.toFixed(2) + "\n" +
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"y = " + y.toFixed(2) + "\n" +
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"z = " + z.toFixed(2) + "\n" +
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"vx = " + vx.toFixed(2) + "\n" +
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"vy = " + vy.toFixed(2) + "\n" +
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"vz = " + vz.toFixed(2) + "\n" +
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"sx = " + sx.toFixed(2) + "\n" +
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"sy = " + sy.toFixed(2) + "\n" +
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"sz = " + sz.toFixed(2) + "\n" +
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"\n";
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}, false);
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}
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</script>
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<script src="./three.js"></script>
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<script src="./lib/OrbitControls.js"></script>
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<script src="./stats.min.js"></script>
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<script src="./lib/dat.gui.min.js"></script>
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<script src="./lib/Detector.js"></script>
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<script src="./lib/tween.min.js"></script>
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<script>
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var renderer, camera, scene, gui, light, stats, controls;
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//字体的点集
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var originParticleField,pointsMaterial,geo_ver,geo_ver2,tween,hearts=[];
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//初始点
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var baseLens =10000,basePoint=[],baseArea=160;
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for(var i=0;i<baseLens;i++){
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var x= Number(Math.random()*baseArea)-baseArea/2;
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var y= Number(Math.random()*baseArea)-baseArea/2;
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var z= Number(Math.random()*baseArea)-baseArea/2;
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var obj = {
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x:x,
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y:y,
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z:z
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}
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basePoint.push(obj);
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}
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function initRender() {
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renderer = new THREE.WebGLRenderer({antialias: true});
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renderer.setPixelRatio(window.devicePixelRatio);
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renderer.setSize(window.innerWidth, window.innerHeight);
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renderer.setClearColor(0xeeeeee);
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renderer.shadowMap.enabled = true;
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//告诉渲染器需要阴影效果
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document.body.appendChild(renderer.domElement);
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}
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function initCamera() {
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camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 200);
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camera.position.set(0, 20, 80 );
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}
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function initScene() {
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xa0a0a0 );
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scene.fog = new THREE.Fog( 0xa0a0a0, 5, 250 );
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}
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//初始化dat.GUI简化试验流程
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function initGui() {
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// //声明一个保存需求修改的相关数据的对象
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// gui = {
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// bump:0.03,
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// animation:false
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// };
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// var datGui = new dat.GUI();
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// //将设置属性添加到gui当中，gui.add(对象，属性，最小值，最大值)
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// datGui.add(gui, "bump", -1, 1).onChange(function (e) {
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// cube1.material.bumpScale = e;
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// });
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//
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// datGui.add(gui, "animation");
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}
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function initLight() {
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scene.add(new THREE.AmbientLight(0x444444));
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light = new THREE.DirectionalLight(0xffffff);
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light.position.set(0, 600, 240 );
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light.castShadow = true;
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light.shadow.camera.top = 10;
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light.shadow.camera.bottom = -10;
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light.shadow.camera.left = -10;
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light.shadow.camera.right = 10;
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//告诉平行光需要开启阴影投射
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light.castShadow = true;
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// scene.add(light);
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}
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function initModel() {
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//辅助工具
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var helper = new THREE.AxesHelper(50);
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scene.add(helper);
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// 地板
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var mesh = new THREE.Mesh( new THREE.PlaneBufferGeometry( 400, 400 ), new THREE.MeshPhongMaterial( { color: 0xffffff, depthWrite: false } ) );
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mesh.rotation.x = - Math.PI / 2;
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mesh.receiveShadow = true;
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scene.add( mesh );
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//添加地板割线
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var grid = new THREE.GridHelper( 400, 50, 0x000000, 0x000000 );
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grid.material.opacity = 0.2;
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grid.material.transparent = true;
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scene.add( grid );
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{
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var loader = new THREE.FontLoader();
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//导入字体，设定字体，这里的话，你们找对自己的字体路径，可能和我的不一样的！！下载的three.js包里面examples/fonts里面有字体
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loader.load('./yahei.json', function(font) {
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// 文字
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var text = "银企云平台";
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var g = new THREE.TextGeometry(text, {
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// 设定文字字体，
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font: font,
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//尺寸
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size: 15,
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//厚度
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height: 5,
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});
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//计算边界，暂时不用管
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g.computeBoundingBox();
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g = new THREE.EdgesGeometry(g); //或 WireframeGeometry(几何)
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var mat = new THREE.LineBasicMaterial({color : 0xffffff, linewidth : 5});
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var wireframe = new THREE.LineSegments( g , mat );
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wireframe.position.set( -50, 0, 0);
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scene.add(wireframe);
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})
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}
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}
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//获取 文字的点集
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function getFontPoints(txt,type,x,y,z){
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if(!x){var x=0;}
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if(!y){var y=0;}
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if(!z){var z=0;}
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var move =true;
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if(x==0&&y==0&&z==0){move = false;}
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var res = [];
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var loader = new THREE.FontLoader();
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loader.load("./yahei.json",function(font){
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// var gem2 = new THREE.TextGeometry(txt, {
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// size: 16, //字号大小，一般为大写字母的高度
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// height: 0.5, //文字的厚度
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// weight: 'bold', //值为'normal'或'bold'，表示是否加粗
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// font: font, //字体，默认是'helvetiker'，需对应引用的字体文件
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// style: 'normal', //值为'normal'或'italics'，表示是否斜体
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// bevelThickness: 0.5, //倒角厚度
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// bevelSize: 0.5, //倒角宽度
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// curveSegments: 8,//弧线分段数，使得文字的曲线更加光滑
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// bevelEnabled: true, //布尔值，是否使用倒角，意为在边缘处斜切
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// });
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//
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// //计算边界
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// gem2.computeBoundingBox();
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// var gem2 = new THREE.TextGeometry(txt, {
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// // 设定文字字体，
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// font: font,
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// //尺寸
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// size: 2,
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// //厚度
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// height: 1,
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// });
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var shapes = font.generateShapes( txt, 2 );
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var geometry = new THREE.ShapeBufferGeometry( shapes );
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geometry.computeBoundingBox();
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// 取线框图
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// EdgesGeometry
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var g = new THREE.WireframeGeometry(geometry);
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// console.log("res = g.position", g.position)
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res = g.attributes.position.array;
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console.log("res", res.length)
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//字体一般不是居中的，需要手动调下
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if(move){
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var lens= res.length;
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var attrs = [];
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for(var i=0;i<lens;i++){
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var obj = {
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x:res[i].x+x,
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y:res[i].y+y,
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z:res[i].z+z,
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}
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attrs.push(obj);
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}
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res = attrs;
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}
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switch(type){
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case 'geo_ver':
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geo_ver = res;
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break;
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case 'geo_ver2':
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geo_ver2 = res;
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break;
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}
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});
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}
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function pointMove(position1){
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//移除粒子浮动动画
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|||
|
|
// TWEEN.removeAll();
|
|||
|
|
var pointNow = originParticleField.geometry.vertices;
|
|||
|
|
var lens0 = position1.length;
|
|||
|
|
var pos = {val:1};
|
|||
|
|
var callback=function(){
|
|||
|
|
var val = this.val;
|
|||
|
|
var particles = originParticleField.geometry.vertices;
|
|||
|
|
// return console.log(particles);
|
|||
|
|
for(var i = 0; i < baseLens; i++) {
|
|||
|
|
var pos = particles[i];
|
|||
|
|
|
|||
|
|
if(i<lens0){
|
|||
|
|
pos.x = pointNow[i].x * val + position1[i].x * (1-val);
|
|||
|
|
pos.y = pointNow[i].y * val + position1[i].y * (1-val);
|
|||
|
|
pos.z = pointNow[i].z * val + position1[i].z * (1-val);
|
|||
|
|
}else{
|
|||
|
|
pos.x = pointNow[i].x * val + basePoint[i].x * (1-val);
|
|||
|
|
pos.y = pointNow[i].y * val + basePoint[i].y * (1-val);
|
|||
|
|
pos.z = pointNow[i].z * val + basePoint[i].z * (1-val);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
originParticleField.geometry.verticesNeedUpdate = true;
|
|||
|
|
}
|
|||
|
|
tween = new TWEEN.Tween(pos).to({val: 0}, 2000).easing(TWEEN.Easing.Quadratic.InOut).delay(500).onUpdate(callback);
|
|||
|
|
tween.start();
|
|||
|
|
}
|
|||
|
|
//粒子浮动动画
|
|||
|
|
|
|||
|
|
//绘制粒子贴图，
|
|||
|
|
function createLightMateria() {
|
|||
|
|
var canvasDom = document.createElement('canvas');
|
|||
|
|
canvasDom.width = 16;
|
|||
|
|
canvasDom.height = 16;
|
|||
|
|
var ctx = canvasDom.getContext('2d');
|
|||
|
|
//根据参数确定两个圆的坐标，绘制放射性渐变的方法，一个圆在里面，一个圆在外面
|
|||
|
|
var gradient = ctx.createRadialGradient(
|
|||
|
|
canvasDom.width/2,
|
|||
|
|
canvasDom.height/2,
|
|||
|
|
0,
|
|||
|
|
canvasDom.width/2,
|
|||
|
|
canvasDom.height/2,
|
|||
|
|
canvasDom.width/2);
|
|||
|
|
|
|||
|
|
gradient.addColorStop(0,'rgba(255,255,255,1)');
|
|||
|
|
gradient.addColorStop(0.005,'rgba(139,69,19,1)');
|
|||
|
|
gradient.addColorStop(0.4,'rgba(139,69,19,1)');
|
|||
|
|
gradient.addColorStop(1,'rgba(0,0,0,1)');
|
|||
|
|
|
|||
|
|
//设置颜色为渐变
|
|||
|
|
ctx.fillStyle = gradient;
|
|||
|
|
//绘图
|
|||
|
|
ctx.fillRect(0,0,canvasDom.width,canvasDom.height);
|
|||
|
|
|
|||
|
|
//贴图使用
|
|||
|
|
let texture = new THREE.Texture(canvasDom);
|
|||
|
|
texture.needsUpdate = true;//使用贴图时进行更新
|
|||
|
|
return texture;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//初始化性能插件
|
|||
|
|
function initStats() {
|
|||
|
|
stats = new Stats();
|
|||
|
|
document.body.appendChild(stats.domElement);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function initControls() {
|
|||
|
|
|
|||
|
|
controls = new THREE.OrbitControls(camera, renderer.domElement);
|
|||
|
|
//设置控制器的中心点
|
|||
|
|
controls.target.set( 0, 5, 0 );
|
|||
|
|
// 如果使用animate方法时，将此函数删除
|
|||
|
|
//controls.addEventListener( 'change', render );
|
|||
|
|
// 使动画循环使用时阻尼或自转 意思是否有惯性
|
|||
|
|
controls.enableDamping = true;
|
|||
|
|
//动态阻尼系数 就是鼠标拖拽旋转灵敏度
|
|||
|
|
//controls.dampingFactor = 0.25;
|
|||
|
|
//是否可以缩放
|
|||
|
|
controls.enableZoom = true;
|
|||
|
|
//是否自动旋转
|
|||
|
|
controls.autoRotate = false;
|
|||
|
|
controls.autoRotateSpeed = 0.5;
|
|||
|
|
//设置相机距离原点的最远距离
|
|||
|
|
controls.minDistance = 1;
|
|||
|
|
//设置相机距离原点的最远距离
|
|||
|
|
controls.maxDistance = 2000;
|
|||
|
|
//是否开启右键拖拽
|
|||
|
|
controls.enablePan = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function render() {
|
|||
|
|
controls.update();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//窗口变动触发的函数
|
|||
|
|
function onWindowResize() {
|
|||
|
|
|
|||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|||
|
|
camera.updateProjectionMatrix();
|
|||
|
|
renderer.setSize(window.innerWidth, window.innerHeight);
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function animate() {
|
|||
|
|
//更新控制器
|
|||
|
|
render();
|
|||
|
|
|
|||
|
|
//更新性能插件
|
|||
|
|
stats.update();
|
|||
|
|
|
|||
|
|
TWEEN.update();
|
|||
|
|
|
|||
|
|
renderer.render(scene, camera);
|
|||
|
|
|
|||
|
|
requestAnimationFrame(animate);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function draw() {
|
|||
|
|
//兼容性判断
|
|||
|
|
if (!Detector.webgl) Detector.addGetWebGLMessage();
|
|||
|
|
|
|||
|
|
initGui();
|
|||
|
|
initRender();
|
|||
|
|
initScene();
|
|||
|
|
initCamera();
|
|||
|
|
initLight();
|
|||
|
|
initModel();
|
|||
|
|
initControls();
|
|||
|
|
initStats();
|
|||
|
|
|
|||
|
|
animate();
|
|||
|
|
window.onresize = onWindowResize;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// var t = 0
|
|||
|
|
// setInterval(function () {
|
|||
|
|
//
|
|||
|
|
// if ( 0 == t ){
|
|||
|
|
// pointMove(geo_ver);
|
|||
|
|
// t = 1
|
|||
|
|
// } else {
|
|||
|
|
// t = 0
|
|||
|
|
// pointMove(geo_ver2);
|
|||
|
|
// }
|
|||
|
|
//
|
|||
|
|
//
|
|||
|
|
// }, 3000 )
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|