three打造螺旋转动加载loading效果-html代码-BFW代码库

three打造螺旋转动加载loading效果

代码语言：html

代码描述：three打造螺旋转动加载loading效果

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">

<style>
body {background: #d1684e; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);}
#wrap {position: absolute; left: 0; right: 0; top: 0; bottom: 0; overflow: hidden;}
#wrap canvas {position: absolute; left: 50%; top: 50%; width: 500px; height: 500px; margin: -250px 0 0 -250px; -outline: 1px solid #fff;}

.info {position: absolute; left: 0; right: 0; bottom: 0; font-size: 12px; color: #ccc; line-height: 2em; text-align: center;}
</style>

</head>
<body translate="no">
<div id="wrap"></div>
<p class="info">* Mouse or Finger press on the page to finish loading action.</p>
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/three.72.js"></script>
<script >
var $body = document.body,
$wrap = document.getElementById('wrap'),

areawidth = window.innerWidth,
areaheight = window.innerHeight,

canvassize = 500,

length = 30,
radius = 5.6,

rotatevalue = 0.035,
acceleration = 0,
animatestep = 0,
toend = false,

pi2 = Math.PI * 2,

group = new THREE.Group(),
mesh,ringcover,ring,

camera,scene,renderer;


camera = new THREE.PerspectiveCamera(65, 1, 1, 10000);
camera.position.z = 150;

scene = new THREE.Scene();
// scene.add(new THREE.AxisHelper(30));
scene.add(group);

mesh = new THREE.Mesh(
new THREE.TubeGeometry(new (THREE.Curve.create(function () {},
function (percent) {

  var x = length * Math.sin(pi2 * percent),
  y = radius * Math.cos(pi2 * 3 * percent),
  z,t;

  t = percent % 0.25 / 0.25;
  t = percent % 0.25 - (2 * (1 - t) * t * -0.0185 + t * t * 0.25);
  if (Math.floor(percent / 0.25) == 0 || Math.floor(percent / 0.25) == 2) {
    t *= -1;
  }
  z = radius * Math.sin(pi2 * 2 * (percent - t));

  return new THREE.Vector3(x, y, z);

}))(),
200, 1.1, 2, true),
new THREE.MeshBasicMaterial({
  color: 0xffffff
  // , wireframe: true
}));

group.add(mesh);

ringcover = new THREE.Mesh(new THREE.PlaneGeometry(50, 15, 1), new THREE.MeshBas.........完整代码请登录后点击上方下载按钮下载查看