var turnplate={ restaraunts:[], //大转盘奖品名称 colors:[], //大转盘奖品区块对应背景颜色 outsideRadius:192, //大转盘外圆的半径 textRadius:155, //大转盘奖品位置距离圆心的距离 insideRadius:68, //大转盘内圆的半径 startAngle:0, //开始角度 bRotate:false //false:停止;ture:旋转 }; num=-1 $(document).ready(function(){ //var chooseid = $( "span[name='zhidui']").attr('id'); $("span[name='aaa']").on("click",function(){ console.log($(this).html()) if($(this).html()=="钦州支队"){ turnplate.restaraunts = ["广西东油沥青有限公司", "钦州吾悦广场", "钦州天亿石化有限公司"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6"]; num=0 if(window.localStorage["0"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
钦州吾悦广场") } drawRouletteWheel() }else if($(this).html()=="南宁支队") { turnplate.restaraunts = ["九洲国际(超高层)", "南宁国际会展中心", "维景国际酒店", "荔园山庄 "]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=1 if(window.localStorage["1"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
九洲国际(超高层)") } drawRouletteWheel() }else if($(this).html()=="柳州支队") { turnplate.restaraunts = ["广西柳州莲花山庄", "柳州万达广场", "龙城地下商业街", "板栗园加气站 ","地王财富中心"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6"]; num=2 if(window.localStorage["2"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["2"]) } drawRouletteWheel() }else if($(this).html()=="河池支队") { turnplate.restaraunts = ["河池市中石化金城江油库", "河池市宜州区地下商业街", "南城百货(地下) ","宁铁燃气有限责任公司","广西河池市大洋购物中心"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6"]; num=3 if(window.localStorage["3"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["3"]) } drawRouletteWheel() }else if($(this).html()=="来宾支队") { turnplate.restaraunts = ["来宾饭店(高层)", "宝晨化工", "天成百货(地下) ","百悦商业广场(地下)","来宾市方盛广场(人员密集)"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6"]; num=4 if(window.localStorage["4"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["4"]) } drawRouletteWheel() }else if($(this).html()=="贺州支队") { turnplate.restaraunts = ["贺州市国际酒店(高层)", "宝晨化工有限公司", "贺州市南宁百货大楼", "远东国贸地下停车场 "]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=5 if(window.localStorage["5"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["5"]) } drawRouletteWheel() } else if($(this).html()=="防城港支队") { turnplate.restaraunts = ["防城港供电局", "北京华联超市桂海东盟店", "港宸国际大酒店(高层)", "永旺天和商贸有限公司(只做地下一) ", "广西中油能源有限公司 ","中海油广西防城港天然气有限责任公司 "]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=6 if(window.localStorage["6"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["6"]) } drawRouletteWheel() }else if($(this).html()=="崇左支队") { turnplate.restaraunts = ["崇左油库","崇左市雅图影视广场(6层商场)"]; turnplate.colors = ["#FFF4D6", "#FFFFFF"]; num=7 if(window.localStorage["7"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["7"]) } drawRouletteWheel() }else if($(this).html()=="贵港支队") { turnplate.restaraunts = ["广西威汉鞋业有限公司", "贵港市嘉龙海杰电子科技有限公司", "贵港市覃塘区人民医院综合楼", "贵港市中国石油分公司油库 ", "维多利亚酒店(高层)","平南中心购物广场(地下)"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=8 if(window.localStorage["8"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["8"]) } drawRouletteWheel() }else if($(this).html()=="梧州支队") { turnplate.restaraunts = ["广西威汉鞋业有限公司", "贵港市嘉龙海杰电子科技有限公司", "贵港市覃塘区人民医院综合楼", "贵港市中国石油分公司油库 ", "梧州市中石化火山油库","平南中心购物广场(地下)", ]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=9 if(window.localStorage["9"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["9"]) } drawRouletteWheel() }else if($(this).html()=="百色支队") { turnplate.restaraunts = ["平果地下商业街", "三雷油库", "安达曼国际酒店(高层)", "恒宁城市广场(大型城市综合体) "]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; num=10 if(window.localStorage["10"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["10"]) } drawRouletteWheel() }else if($(this).html()=="玉林支队") { turnplate.restaraunts = ["平果地下商业街", "三雷油库", "安达曼国际酒店(高层)", "恒宁城市广场(大型城市综合体) ","玉林市中医医院"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6"]; num=11 if(window.localStorage["11"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["11"]) } drawRouletteWheel() }else if($(this).html()=="北海支队") { turnplate.restaraunts = ["平果地下商业街", "三雷油库", "安达曼国际酒店(高层)", "恒宁城市广场(大型城市综合体) ","和安宁春城(大型城市综合体)"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6"]; num=12 if(window.localStorage["12"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["12"]) } drawRouletteWheel() }else if($(this).html()=="桂林支队") { turnplate.restaraunts = ["兴安油库", "宏谋酒店(高层)"]; turnplate.colors = ["#FFF4D6", "#FFFFFF"]; num=13 if(window.localStorage["13"]==undefined) { $("#zhuanpan").show() $("#end").hide(); $("#jieguo").empty() }else{ $("#zhuanpan").hide() $("#end").show(); $("#jieguo").empty() $("#jieguo").append("您的抽签结果为:
"+window.localStorage["13"]) } drawRouletteWheel() } }); console.log(turnplate.restaraunts) //动态添加大转盘的奖品与奖品区域背景颜色 /* turnplate.restaraunts = ["广西东油沥青有限公司", "钦州天亿石化有限公司", "九洲国际(超高层)", "南宁国际会展中心 ", "维景国际酒店", "荔园山庄"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6", "#FFFFFF"]; */ /* turnplate.restaraunts = ["白云边", "关公坊", "黄鹤楼", "国宝 ", "陈克明", "金沙河", "雪花", "康师傅", "脉动","奥星","金龙鱼","中昌"]; turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"]; */ var rotateTimeOut = function (){ $('#wheelcanvas').rotate({ angle:0, animateTo:2160, duration:8000, callback:function (){ alert('网络超时,请检查您的网络设置!'); } }); }; //旋转转盘 item:奖品位置; txt:提示语; var rotateFn = function (item, txt){ var angles = item * (360 / turnplate.restaraunts.length) - (360 / (turnplate.restaraunts.length*2)); if(angles<270){ angles = 270 - angles; }else{ angles = 360 - angles + 270; } $('#wheelcanvas').stopRotate(); $('#wheelcanvas').rotate({ angle:0, animateTo:angles+1800, duration:8000, callback:function (){ console.log(turnplate.restaraunts.length) $("#zhuanpan").hide() $("#end").show(); var dataLength=turnplate.restaraunts.length if(num==0){ window.localStorage.setItem( 0, "钦州吾悦广场"); $("#jieguo").append("您的抽签结果为:
钦州吾悦广场") }else if(num==1){ window.localStorage.setItem( 1, "九洲国际(超高层)"); $("#jieguo").append("您的抽签结果为:
九洲国际(超高层)") }else if(num==2){ window.localStorage.setItem( 2, "地王财富中心"); $("#jieguo").append("您的抽签结果为:
地王财富中心") }else if(num==3){ window.localStorage.setItem( 3, "广西河池市大洋购物中心"); $("#jieguo").append("您的抽签结果为:
广西河池市大洋购物中心") } else if(num==4){ window.localStorage.setItem( 4, "来宾市方盛广场(人员密集)"); $("#jieguo").append("您的抽签结果为:
来宾市方盛广场(人员密集)") }else if(num==5){ window.localStorage.setItem( 5, "贺州市国际酒店(高层)"); $("#jieguo").append("您的抽签结果为:
贺州市国际酒店(高层)") }else if(num==6){ window.localStorage.setItem( 6, "广西中油能源有限公司"); $("#jieguo").append("您的抽签结果为:
广西中油能源有限公司") }else if(num==7){ window.localStorage.setItem( 7, "崇左油库"); $("#jieguo").append("您的抽签结果为:
崇左油库") }else if(num==8){ window.localStorage.setItem( 8, "维多利亚酒店(高层)"); $("#jieguo").append("您的抽签结果为:
维多利亚酒店(高层)") }else if(num==9){ window.localStorage.setItem( 9, "梧州市中石化火山油库"); $("#jieguo").append("您的抽签结果为:
梧州市中石化火山油库") }else if(num==10){ window.localStorage.setItem( 10, "平果地下商业街"); $("#jieguo").append("您的抽签结果为:
平果地下商业街") }else if(num==11){ window.localStorage.setItem( 11, "玉林市中医医院"); $("#jieguo").append("您的抽签结果为:
玉林市中医医院") }else if(num==12){ window.localStorage.setItem( 12, "和安宁春城(大型城市综合体)"); $("#jieguo").append("您的抽签结果为:
和安宁春城(大型城市综合体)") }else if(num==13){ window.localStorage.setItem( 13, "兴安油库"); $("#jieguo").append("您的抽签结果为:
兴安油库") } /* if(dataLength>=5) { $("#jieguo").append("您的抽签结果为:
"+turnplate.restaraunts[4]) }else if(dataLength==3){ $("#jieguo").append("您的抽签结果为:
"+turnplate.restaraunts[1]) } else{ $("#jieguo").append("您的抽签结果为:
"+turnplate.restaraunts[0]) } */ turnplate.bRotate = !turnplate.bRotate; } }); }; $('.pointer').click(function (){ if(turnplate.bRotate)return; turnplate.bRotate = !turnplate.bRotate; //获取随机数(奖品个数范围内) var item = rnd(1,turnplate.restaraunts.length); console.log(item) //奖品数量等于10,指针落在对应奖品区域的中心角度[252, 216, 180, 144, 108, 72, 36, 360, 324, 288] rotateFn(item, turnplate.restaraunts[item-1]); /* switch (item) { case 1: rotateFn(252, turnplate.restaraunts[0]); break; case 2: rotateFn(216, turnplate.restaraunts[1]); break; case 3: rotateFn(180, turnplate.restaraunts[2]); break; case 4: rotateFn(144, turnplate.restaraunts[3]); break; case 5: rotateFn(108, turnplate.restaraunts[4]); break; case 6: rotateFn(72, turnplate.restaraunts[5]); break; case 7: rotateFn(36, turnplate.restaraunts[6]); break; case 8: rotateFn(360, turnplate.restaraunts[7]); break; case 9: rotateFn(324, turnplate.restaraunts[8]); break; case 10: rotateFn(288, turnplate.restaraunts[9]); break; } */ console.log(item); }); }); //控制中奖结果 function rnd(n, m){ var random = 5; //var random = Math.floor(Math.random()*(m-n+1)+n); return random; } //页面所有元素加载完毕后执行drawRouletteWheel()方法对转盘进行渲染 window.onload=function(){ drawRouletteWheel(); }; function drawRouletteWheel() { var canvas = document.getElementById("wheelcanvas"); if (canvas.getContext) { //根据奖品个数计算圆周角度 var arc = Math.PI / (turnplate.restaraunts.length/2); var ctx = canvas.getContext("2d"); //在给定矩形内清空一个矩形 ctx.clearRect(0,0,422,422); //strokeStyle 属性设置或返回用于笔触的颜色、渐变或模式 ctx.strokeStyle = "#FFBE04"; //font 属性设置或返回画布上文本内容的当前字体属性 ctx.font = '16px Microsoft YaHei'; for(var i = 0; i < turnplate.restaraunts.length; i++) { var angle = turnplate.startAngle + i * arc; ctx.fillStyle = turnplate.colors[i]; ctx.beginPath(); //arc(x,y,r,起始角,结束角,绘制方向) 方法创建弧/曲线(用于创建圆或部分圆) ctx.arc(211, 211, turnplate.outsideRadius, angle, angle + arc, false); ctx.arc(211, 211, turnplate.insideRadius, angle + arc, angle, true); ctx.stroke(); ctx.fill(); //锁画布(为了保存之前的画布状态) ctx.save(); //----绘制奖品开始---- ctx.fillStyle = "#E5302F"; var text = turnplate.restaraunts[i]; var line_height = 17; //translate方法重新映射画布上的 (0,0) 位置 ctx.translate(211 + Math.cos(angle + arc / 2) * turnplate.textRadius, 211 + Math.sin(angle + arc / 2) * turnplate.textRadius); //rotate方法旋转当前的绘图 ctx.rotate(angle + arc / 2 + Math.PI / 2); /** 下面代码根据奖品类型、奖品名称长度渲染不同效果,如字体、颜色、图片效果。(具体根据实际情况改变) **/ if(text.indexOf("M")>0){//流量包 var texts = text.split("M"); for(var j = 0; j6){//奖品名称长度超过一定范围 text = text.substring(0,6)+"||"+text.substring(6); var texts = text.split("||"); for(var j = 0; j0){ var img= document.getElementById("shan-img"); img.onload=function(){ ctx.drawImage(img,-15,10); }; ctx.drawImage(img,-15,10); }else if(text.indexOf("谢谢参与")>=0){ var img= document.getElementById("sorry-img"); img.onload=function(){ ctx.drawImage(img,-15,10); }; ctx.drawImage(img,-15,10); } //把当前画布返回(调整)到上一个save()状态之前 ctx.restore(); //----绘制奖品结束---- } } }