520 lines
15 KiB
HTML
520 lines
15 KiB
HTML
<!DOCTYPE html>
|
||
<html lang="en">
|
||
<head>
|
||
<meta charset="UTF-8">
|
||
<meta name="full-screen" content="yes">
|
||
<meta name="browsermode" content="application">
|
||
<meta name="x5-orientation" content="portrait">
|
||
<meta name="x5-fullscreen" content="true">
|
||
<meta name="x5-page-mode" content="app">
|
||
<meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no,minimal-ui">
|
||
<meta name="apple-mobile-web-app-capable" content="yes" />
|
||
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
|
||
|
||
<meta name="apple-mobile-web-app-title" content="应用标题">
|
||
<meta content="telephone=no" name="format-detection" />
|
||
<meta content="email=no" name="format-detection" />
|
||
|
||
|
||
|
||
<title>VR 亿企云平台</title>
|
||
</head>
|
||
<body onload="draw();">
|
||
|
||
|
||
<div style="position: fixed;">
|
||
<div id="moAccel"></div>
|
||
<div id="moCalcTiltLR"></div>
|
||
<div id="moCalcTiltFB"></div>
|
||
<div id="imgLogo">-----------------</div>
|
||
|
||
<div id="arrow"></div>
|
||
<div id="acceleration"></div>
|
||
</div>
|
||
|
||
<script type="application/javascript">
|
||
|
||
(function () {
|
||
var arrow = document.getElementById("arrow");
|
||
try {
|
||
var text = "";
|
||
window.addEventListener("deviceorientation", orientationHandler, false);
|
||
function orientationHandler(event) {
|
||
text = ""
|
||
|
||
text += "左右旋转:rotate alpha{" + Math.round(event.alpha) + "deg)<br>";
|
||
text += "前后旋转:rotate beta{" + Math.round(event.beta) + "deg)<br>";
|
||
text += "扭转设备:rotate gamma{" + Math.round(event.gamma) + "deg)<br>";
|
||
arrow.innerHTML = text;
|
||
}
|
||
}
|
||
catch (e) {
|
||
arrow.innerHTML = e.message
|
||
}
|
||
})()
|
||
|
||
</script>
|
||
<script type="application/javascript">
|
||
|
||
var vx = vy = vz = 0; //用以获取xyz轴当前的数据
|
||
var sx = sy = sz = 0;
|
||
|
||
var startTime = new Date().getTime(); // 最初的开始时间,单位:毫秒
|
||
|
||
function deviceMotionHandler2(eventData) {
|
||
// 捕捉重力加速度
|
||
var acceleration = eventData.accelerationIncludingGravity;
|
||
// 打印加速数据
|
||
var rawAcceleration = "[" + Math.round(acceleration.x) + ", " +Math.round(acceleration.y) + ", " + Math.round(acceleration.z) + "]";
|
||
// Z轴,可知设备朝上或者朝下
|
||
var facingUp = -1;
|
||
if (acceleration.z > 0) {
|
||
facingUp = +1;
|
||
}
|
||
// 根据重力通过 acceleration.x|y 转换得到加速值,
|
||
// 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
|
||
var tiltLR = Math.round(((acceleration.x) / 9.81) * -90);
|
||
var tiltFB = Math.round(((acceleration.y + 9.81) / 9.81) * 90 * facingUp);
|
||
// 打印加速度的计算结果
|
||
document.getElementById("moAccel").innerHTML = rawAcceleration;
|
||
document.getElementById("moCalcTiltLR").innerHTML = tiltLR;
|
||
document.getElementById("moCalcTiltFB").innerHTML = tiltFB;
|
||
// 将2D和3D的转换应用到图片上
|
||
var rotation = "rotate(" + tiltLR + "deg) (1,0,0, " + (tiltFB) + "deg)";
|
||
document.getElementById("imgLogo").innerHTML = rotation;
|
||
}
|
||
|
||
if (window.DeviceMotionEvent) {
|
||
|
||
window.addEventListener('devicemotion', function deviceMotionHandler(eventData){
|
||
deviceMotionHandler2(eventData)
|
||
|
||
// document.getElementById("acceleration").innerText = "dz = " + eventData.acceleration.x.toFixed(2) + " " + eventData.accelerationIncludingGravity.x.toFixed(2)
|
||
var currTime = new Date().getTime(); //当前时间
|
||
|
||
var diffTime = currTime - startTime;//当前时间减最初时间,得到当前时间差
|
||
|
||
|
||
var acceleration = eventData.acceleration; //获得加速器对象
|
||
|
||
var x = acceleration.x
|
||
var y = acceleration.y
|
||
var z = acceleration.z
|
||
vx += x; //获取x轴当前加速度
|
||
|
||
vy += y; //获取y轴当前加速度
|
||
|
||
vz += z; //获取z轴当前加速度
|
||
|
||
sx += diffTime * vx
|
||
sy += diffTime * vy
|
||
sz += diffTime * vz
|
||
|
||
|
||
document.getElementById("acceleration").innerText = "\r\n" +
|
||
"x = " + x.toFixed(2) + "\n" +
|
||
"y = " + y.toFixed(2) + "\n" +
|
||
"z = " + z.toFixed(2) + "\n" +
|
||
"vx = " + vx.toFixed(2) + "\n" +
|
||
"vy = " + vy.toFixed(2) + "\n" +
|
||
"vz = " + vz.toFixed(2) + "\n" +
|
||
"sx = " + sx.toFixed(2) + "\n" +
|
||
"sy = " + sy.toFixed(2) + "\n" +
|
||
"sz = " + sz.toFixed(2) + "\n" +
|
||
"\n";
|
||
|
||
}, false);
|
||
|
||
}
|
||
|
||
</script>
|
||
|
||
<script src="./three.js"></script>
|
||
<script src="./lib/OrbitControls.js"></script>
|
||
<script src="./stats.min.js"></script>
|
||
<script src="./lib/dat.gui.min.js"></script>
|
||
<script src="./lib/Detector.js"></script>
|
||
<script src="./lib/tween.min.js"></script>
|
||
|
||
|
||
<script>
|
||
var renderer, camera, scene, gui, light, stats, controls;
|
||
//字体的点集
|
||
var originParticleField,pointsMaterial,geo_ver,geo_ver2,tween,hearts=[];
|
||
//初始点
|
||
var baseLens =10000,basePoint=[],baseArea=160;
|
||
for(var i=0;i<baseLens;i++){
|
||
var x= Number(Math.random()*baseArea)-baseArea/2;
|
||
var y= Number(Math.random()*baseArea)-baseArea/2;
|
||
var z= Number(Math.random()*baseArea)-baseArea/2;
|
||
var obj = {
|
||
x:x,
|
||
y:y,
|
||
z:z
|
||
}
|
||
basePoint.push(obj);
|
||
}
|
||
|
||
|
||
|
||
function initRender() {
|
||
renderer = new THREE.WebGLRenderer({antialias: true});
|
||
renderer.setPixelRatio(window.devicePixelRatio);
|
||
renderer.setSize(window.innerWidth, window.innerHeight);
|
||
renderer.setClearColor(0xeeeeee);
|
||
renderer.shadowMap.enabled = true;
|
||
//告诉渲染器需要阴影效果
|
||
document.body.appendChild(renderer.domElement);
|
||
}
|
||
|
||
function initCamera() {
|
||
camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 200);
|
||
camera.position.set(0, 20, 80 );
|
||
}
|
||
|
||
function initScene() {
|
||
scene = new THREE.Scene();
|
||
scene.background = new THREE.Color( 0xa0a0a0 );
|
||
scene.fog = new THREE.Fog( 0xa0a0a0, 5, 250 );
|
||
}
|
||
|
||
//初始化dat.GUI简化试验流程
|
||
function initGui() {
|
||
// //声明一个保存需求修改的相关数据的对象
|
||
// gui = {
|
||
// bump:0.03,
|
||
// animation:false
|
||
// };
|
||
// var datGui = new dat.GUI();
|
||
// //将设置属性添加到gui当中,gui.add(对象,属性,最小值,最大值)
|
||
// datGui.add(gui, "bump", -1, 1).onChange(function (e) {
|
||
// cube1.material.bumpScale = e;
|
||
// });
|
||
//
|
||
// datGui.add(gui, "animation");
|
||
}
|
||
|
||
function initLight() {
|
||
scene.add(new THREE.AmbientLight(0x444444));
|
||
|
||
light = new THREE.DirectionalLight(0xffffff);
|
||
light.position.set(0, 600, 240 );
|
||
|
||
light.castShadow = true;
|
||
light.shadow.camera.top = 10;
|
||
light.shadow.camera.bottom = -10;
|
||
light.shadow.camera.left = -10;
|
||
light.shadow.camera.right = 10;
|
||
|
||
//告诉平行光需要开启阴影投射
|
||
light.castShadow = true;
|
||
|
||
// scene.add(light);
|
||
}
|
||
|
||
function initModel() {
|
||
|
||
//辅助工具
|
||
var helper = new THREE.AxesHelper(50);
|
||
scene.add(helper);
|
||
|
||
// 地板
|
||
var mesh = new THREE.Mesh( new THREE.PlaneBufferGeometry( 400, 400 ), new THREE.MeshPhongMaterial( { color: 0xffffff, depthWrite: false } ) );
|
||
mesh.rotation.x = - Math.PI / 2;
|
||
mesh.receiveShadow = true;
|
||
scene.add( mesh );
|
||
|
||
//添加地板割线
|
||
var grid = new THREE.GridHelper( 400, 50, 0x000000, 0x000000 );
|
||
grid.material.opacity = 0.2;
|
||
grid.material.transparent = true;
|
||
scene.add( grid );
|
||
|
||
|
||
{
|
||
var loader = new THREE.FontLoader();
|
||
//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
|
||
loader.load('./yahei.json', function(font) {
|
||
|
||
// 文字
|
||
var text = "Watting...";
|
||
|
||
var g = new THREE.TextGeometry(text, {
|
||
// 设定文字字体,
|
||
font: font,
|
||
//尺寸
|
||
size: 2,
|
||
//厚度
|
||
height: 1,
|
||
});
|
||
//计算边界,暂时不用管
|
||
g.computeBoundingBox();
|
||
|
||
g = new THREE.EdgesGeometry(g); //或WireframeGeometry(几何)
|
||
|
||
var mat = new THREE.LineBasicMaterial({color : 0xffffff, linewidth : 2});
|
||
|
||
var wireframe = new THREE.LineSegments( g , mat );
|
||
|
||
scene.add(wireframe);
|
||
|
||
|
||
})
|
||
}
|
||
|
||
//获取点集
|
||
getFontPoints('白狗','geo_ver',-23,0,0);
|
||
getFontPoints('云平台','geo_ver2',-35,0,0)
|
||
|
||
|
||
|
||
//用点画字
|
||
pointsMaterial = new THREE.PointsMaterial({
|
||
color:0xffffff,
|
||
size:0.5,
|
||
transparent:true,//使材质透明
|
||
blending:THREE.AdditiveBlending,
|
||
depthTest:false,//深度测试关闭,不消去场景的不可见面
|
||
map:createLightMateria()//刚刚创建的粒子贴图就在这里用上
|
||
});
|
||
|
||
var originGeo = new THREE.Geometry();
|
||
for (var i = 0; i <baseLens; i++){//循环创建Geo
|
||
var x = basePoint[i].x;
|
||
var y = basePoint[i].y;
|
||
var z = basePoint[i].z;
|
||
originGeo.vertices.push(new THREE.Vector3(x,y,z));
|
||
}
|
||
originParticleField = new THREE.Points(originGeo,pointsMaterial);
|
||
// originParticleField.position.set(-20,10,0);
|
||
scene.add(originParticleField);
|
||
|
||
}
|
||
//获取 文字的点集
|
||
function getFontPoints(txt,type,x,y,z){
|
||
if(!x){var x=0;}
|
||
if(!y){var y=0;}
|
||
if(!z){var z=0;}
|
||
var move =true;
|
||
if(x==0&&y==0&&z==0){move = false;}
|
||
var res = [];
|
||
var loader = new THREE.FontLoader();
|
||
loader.load("./yahei.json",function(font){
|
||
// var gem2 = new THREE.TextGeometry(txt, {
|
||
// size: 16, //字号大小,一般为大写字母的高度
|
||
// height: 0.5, //文字的厚度
|
||
// weight: 'bold', //值为'normal'或'bold',表示是否加粗
|
||
// font: font, //字体,默认是'helvetiker',需对应引用的字体文件
|
||
// style: 'normal', //值为'normal'或'italics',表示是否斜体
|
||
// bevelThickness: 0.5, //倒角厚度
|
||
// bevelSize: 0.5, //倒角宽度
|
||
// curveSegments: 8,//弧线分段数,使得文字的曲线更加光滑
|
||
// bevelEnabled: true, //布尔值,是否使用倒角,意为在边缘处斜切
|
||
// });
|
||
//
|
||
// //计算边界
|
||
// gem2.computeBoundingBox();
|
||
|
||
// var gem2 = new THREE.TextGeometry(txt, {
|
||
// // 设定文字字体,
|
||
// font: font,
|
||
// //尺寸
|
||
// size: 2,
|
||
// //厚度
|
||
// height: 1,
|
||
// });
|
||
|
||
var shapes = font.generateShapes( txt, 2 );
|
||
|
||
var geometry = new THREE.ShapeBufferGeometry( shapes );
|
||
|
||
geometry.computeBoundingBox();
|
||
|
||
// 取线框图
|
||
// EdgesGeometry
|
||
var g = new THREE.WireframeGeometry(geometry);
|
||
|
||
// console.log("res = g.position", g.position)
|
||
res = g.attributes.position.array;
|
||
console.log("res", res.length)
|
||
//字体一般不是居中的,需要手动调下
|
||
if(move){
|
||
var lens= res.length;
|
||
var attrs = [];
|
||
for(var i=0;i<lens;i++){
|
||
var obj = {
|
||
x:res[i].x+x,
|
||
y:res[i].y+y,
|
||
z:res[i].z+z,
|
||
}
|
||
attrs.push(obj);
|
||
}
|
||
res = attrs;
|
||
}
|
||
|
||
switch(type){
|
||
case 'geo_ver':
|
||
geo_ver = res;
|
||
break;
|
||
case 'geo_ver2':
|
||
geo_ver2 = res;
|
||
break;
|
||
}
|
||
});
|
||
}
|
||
|
||
function pointMove(position1){
|
||
//移除粒子浮动动画
|
||
// 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>
|