效果如下：
html code:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>大转盘(圆钱转转转)</title>
<link rel="stylesheet" href="css/demo.css"/>
<link rel="stylesheet" href="css/sweet-alert.css"/>
<style>
body {
margin: 0;
padding: 0;
position: relative;
background-position: center;
/*background-repeat: no-repeat;*/
width: 100%;
height: 100%;
background-size: 100% 100%;
}
</style>
</head>
<body bgcolor="#eae0d9" id="body" onLoad="init()">
<div class="couten" style="position:fixed; width:100%; margin:0 auto; text-align:center; padding-top:5%">
<div class="turntable-bg">
<!--<div class="mask"><img src="images/award_01.png"/></div>-->
<div class="pointer"><img src="images/pointer.png" alt="pointer"/></div>
<div class="rotate" ><img id="rotate" src="images/turntable.png" alt="turntable"></div>
</div>
</div>
</body>
</html>
<script src="js/jquery.min.js"></script>
<script src="js/awardRotate.js"></script>
<script src="js/sweet-alert.min.js"></script>
<script src="js/ThreeCanvas.js"></script>
<script src="js/Snow.js"></script>
<script>
var SCREEN_WIDTH = window.innerWidth;//
var SCREEN_HEIGHT = window.innerHeight;
var container;
var particle;//粒子
var camera;
var scene;
var renderer;
var starSnow = 1;
var particles = [];
var particleImage = new Image();
//THREE.ImageUtils.loadTexture( "img/ParticleSmoke.png" );
particleImage.src = 'images/ParticleSmoke.png';
function init() {
//alert("message3");
container = document.createElement('div');//container：画布实例;
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera( 50, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
camera.position.z = 1000;
//camera.position.y = 50;
scene = new THREE.Scene();
scene.add(camera);
renderer = new THREE.CanvasRenderer();
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
var material = new THREE.ParticleBasicMaterial( { map: new THREE.Texture(particleImage) } );
//alert("message2");
for (var i = 0; i < 260; i++) {
//alert("message");
particle = new Particle3D( material);
particle.position.x = Math.random() * 2000-1000;
particle.position.z = Math.random() * 2000-1000;
particle.position.y = Math.random() * 2000-1000;
//particle.position.y = Math.random() * (1600-particle.position.z)-1000;
particle.scale.x = particle.scale.y = 0.5;
scene.add( particle );
particles.push(particle);
}
container.appendChild( renderer.domElement );
//document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
document.addEventListener( 'touchend', onDocumentTouchEnd, false );
setInterval( loop, 1000 / 40 );
}
var touchStartX;
var touchFlag = 0;//储存当前是否滑动的状态;
var touchSensitive = 80;//检测滑动的灵敏度;
//var touchStartY;
//var touchEndX;
//var touchEndY;
function onDocumentTouchStart( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();//取消默认关联动作;
touchStartX = 0;
touchStartX = event.touches[ 0 ].pageX ;
//touchStartY = event.touches[ 0 ].pageY ;
}
}
function onDocumentTouchMove( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
var direction = event.touches[ 0 ].pageX - touchStartX;
if (Math.abs(direction) > touchSensitive) {
if (direction>0) {touchFlag = 1;}
else if (direction<0) {touchFlag = -1;};
//changeAndBack(touchFlag);
}
}
}
function onDocumentTouchEnd (event) {
// if ( event.touches.length == 0 ) {
// event.preventDefault();
// touchEndX = event.touches[ 0 ].pageX ;
// touchEndY = event.touches[ 0 ].pageY ;
// }这里存在问题
var direction = event.changedTouches[ 0 ].pageX - touchStartX;
changeAndBack(touchFlag);
}
function changeAndBack (touchFlag) {
var speedX = 20*touchFlag;
touchFlag = 0;
for (var i = 0; i < particles.length; i++) {
particles[i].velocity=new THREE.Vector3(speedX,-10,0);
}
var timeOut = setTimeout(";", 800);
clearTimeout(timeOut);
var clearI = setInterval(function () {
if (touchFlag) {
clearInterval(clearI);
return;
}
speedX*=0.8;
if (Math.abs(speedX)<=1.5) {
speedX=0;
clearInterval(clearI);
}
for (var i = 0; i < particles.length; i++) {
particles[i].velocity=new THREE.Vector3(speedX,-10,0);
}
},100);
}
function loop() {
for(var i = 0; i<particles.length; i++){
var particle = particles[i];
particle.updatePhysics();
with(particle.position)
{
if((y<-1000)&&starSnow) {y+=2000;}
if(x>1000) x-=2000;
else if(x<-1000) x+=2000;
if(z>1000) z-=2000;
else if(z<-1000) z+=2000;
}
}
camera.lookAt(scene.position);
renderer.render( scene, camera );
}
$(function (){
var rotateTimeOut = function (){
$('#rotate').rotate({
angle:0,
animateTo:2160,
duration:8000,
callback:function (){
alert('网络超时，请检查您的网络设置！');
}
});
};
var bRotate = false;
var rotateFn = function (awards, angles, txt){
bRotate = !bRotate;
$('#rotate').stopRotate();
$('#rotate').rotate({
angle:0,
animateTo:angles+1800,
duration:8000,
callback:function (){
/*alert(txt);*/
swal({ title: "获得"+txt+"红包", imageUrl: "images/gx.png" });
bRotate = !bRotate;
}
})
};
document.onkeydown=function(event){
var e = event || window.event || arguments.callee.caller.arguments[0];
if(e && e.keyCode==32){ // enter 键
$('showSweetAlert').css("display","none");
$('sweet-overlay').css("display","none");
if(bRotate)return;
var item = rnd(1,5);
switch (item) {
case 1:
//var angle = [26, 88, 137, 185, 235, 287, 337];
rotateFn(1, 55, '888元');
break;
case 2:
//var angle = [88, 137, 185, 235, 287];
rotateFn(2, 140, '388元');
break;
case 3:
//var angle = [137, 185, 235, 287];
rotateFn(3, 199, '188元');
break;
case 4:
//var angle = [137, 185, 235, 287];
rotateFn(4, 269, '88元');
break;
case 5:
//var angle = [185, 235, 287];
rotateFn(5, 341, '8元');
break;
}
console.log(item);
}
};
$('.pointer').click(function (){
if(bRotate)return;
var item = rnd(1,5);
switch (item) {
case 1:
//var angle = [26, 88, 137, 185, 235, 287, 337];
rotateFn(1, 55, '888元');
break;
case 2:
//var angle = [88, 137, 185, 235, 287];
rotateFn(2, 140, '388元');
break;
case 3:
//var angle = [137, 185, 235, 287];
rotateFn(3, 199, '188元');
break;
case 4:
//var angle = [137, 185, 235, 287];
rotateFn(4, 269, '88元');
break;
case 5:
//var angle = [185, 235, 287];
rotateFn(5, 341, '8元');
break;
}
console.log(item);
});
});
function rnd(n, m){
return Math.floor(Math.random()*(m-n+1)+n)
}
</script>