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jquery九宫格大转盘抽奖代码

时间:2014-10-31 08:38 来源:互联网 作者:源码搜藏 收藏 推荐

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jquery九宫格大转盘抽奖代码jquery九宫格大转盘抽奖代码是一款基于jQuery实现的实用转盘抽奖程序。jquery九宫格大转盘抽奖代码

<script type="text/javascript">
var lottery={
index:-1, //当前转动到哪个位置,起点位置
count:0, //总共有多少个位置
timer:0, //setTimeout的ID,用clearTimeout清除
speed:20, //初始转动速度
times:0, //转动次数
cycle:50, //转动基本次数:即至少需要转动多少次再进入抽奖环节
prize:-1, //中奖位置
init:function(id){
if ($("#"+id).find(".lottery-unit").length>0) {
$lottery = $("#"+id);
$units = $lottery.find(".lottery-unit");
this.obj = $lottery;
this.count = $units.length;
$lottery.find(".lottery-unit-"+this.index).addClass("active");
};
},
roll:function(){
var index = this.index;
var count = this.count;
var lottery = this.obj;
$(lottery).find(".lottery-unit-"+index).removeClass("active");
index += 1;
if (index>count-1) {
index = 0;
};
$(lottery).find(".lottery-unit-"+index).addClass("active");
this.index=index;
return false;
},
stop:function(index){
this.prize=index;
return false;
}
};
 
function roll(){
lottery.times += 1;
lottery.roll();
if (lottery.times > lottery.cycle+10 && lottery.prize==lottery.index) {
clearTimeout(lottery.timer);
lottery.prize=-1;
lottery.times=0;
click=false;
}else{
if (lottery.times<lottery.cycle) {
lottery.speed -= 10;
}else if(lottery.times==lottery.cycle) {
var index = Math.random()*(lottery.count)|0;
lottery.prize = index;
}else{
if (lottery.times > lottery.cycle+10 && ((lottery.prize==0 && lottery.index==7) || lottery.prize==lottery.index+1)) {
lottery.speed += 110;
}else{
lottery.speed += 20;
}
}
if (lottery.speed<40) {
lottery.speed=40;
};
//console.log(lottery.times+'^^^^^^'+lottery.speed+'^^^^^^^'+lottery.prize);
lottery.timer = setTimeout(roll,lottery.speed);
}
return false;
}
 
var click=false;
 
window.onload=function(){
lottery.init('lottery');
$("#lottery a").click(function(){
if (click) {
return false;
}else{
lottery.speed=100;
roll();
click=true;
return false;
}
});
};
</script>
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