squareDancing/js/handle.js

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JavaScript
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let uidObj = {}
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// 歌曲列表
var musicList = []
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// 领舞人领舞时间 秒
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let leaderTime = 15*60
// 何时添加镜头
var addJingTime = 2000;//2秒
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// 事件列表-中文
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let eventTextList = ['切歌', '跳', '向左', '向右', '左抖腿', '右抖腿', '抖动', '一起喊', '镜头']
// 领舞者喊的集体舞
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let allEventList = ['切歌', '一起跳', '一起向左', '一起向右', '一起左抖腿', '一起右抖腿', '一起抖动', '一起喊', '镜头']
// 镜头列表
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let list = ['scale-left', 'scale-right', 'scale-bottom-left', 'scale-bottom-right']
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// 根据事件文字 获取事件名
function getEvent(name) {
let map = {
'切歌' : 'change_song',
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'跳' : 'dancing-down',
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'向左' : 'dancing-left',
'向右' : 'dancing-right',
'左抖腿' : 'dancing-wobble',
'右抖腿' : 'dancing-wobble-right',
'抖动' : 'dancing-up',
'一起喊' : 'all_shout',
'镜头' : scale()
}
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return map[name] ? map[name] : ''
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}
// 随机选择镜头
function scale() {
return list[Math.floor(Math.random() * list.length)];
}
// 字符串包含的事件 (仅取第一个)
function getFirstEventKeyword(name) {
let event = ''
$.each(eventTextList, function (index, item) {
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if (name.toString().indexOf(item) != -1) {
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event = item
return false
}
})
return event
}
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// 设置领舞 name=姓名 time=有效期 单位秒
function setLeader(name, time) {
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sessionStorage.setItem('leader', name)
sessionStorage.setItem('leader_end_at', (new Date).getTime()/1000 + time)
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}
// 获取领舞人信息
function getLeader() {
let res = []
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res['name'] = sessionStorage.getItem('leader') ? sessionStorage.getItem('leader') : ''
res['time'] = sessionStorage.getItem('leader_end_at') ? sessionStorage.getItem('leader_end_at') : 0
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return res
}
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function music() {
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$.get('https://bili.scdxtc.cn', function (res) {
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musicList = res
if (musicList.length > 0) {
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$('#music source').attr('src', 'https://bili.scdxtc.cn/music/'+musicList[15])
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}
})
}
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// 切歌
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function changeMusic() {
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$.get('https://bili.scdxtc.cn', function (res) {
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musicList = res
if (musicList.length > 0) {
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let index = Math.floor(Math.random()*(musicList.length-1))
$('#music').data('song', musicList[index])
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$('#music source').attr('src', 'https://bili.scdxtc.cn/music/'+musicList[index])
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$('#music')[0].load()
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}
})
}
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// 个人喊舞
function peopleHan(val){
return eventTextList.includes(val);
}
// 领舞喊舞
function dancer(val){
return allEventList.includes(val);
}
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// 接受消息处理
function receiveMessage(event)
{
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// console.log(event.data, 'event test')
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// 我们能信任信息来源吗?
if (event.origin !== "https://live.bilibili.com") {
return false
}
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let dataList = JSON.parse(event.data)
let data = dataList.dm
let adminList = dataList.admin
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if (data.length <= 0) {
return false
}
// 当前直播间 自己的弹幕 无法获取到ct和type值 就暂时过滤
if (data.ct === '') {
return false
}
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adminList = ['内有猛犬小心','热心市民阿狄呐','流域_墨绿绿'];
// adminList = ['饺子吃肉肉'];
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// 大航海列表
if (adminList.length > 0) {
// 获取当前领舞人
let leader = getLeader()
let now = (new Date).getTime()/1000
if (leader['name'] === '') {
setLeader(adminList[0], leaderTime)
} else {
//领舞人存在 检查过期时间
if (leader['time'] === 0 || leader['time'] < now) {
// 切换领舞
// 当前领舞人
let leaderIndex = adminList.indexOf(leader['name'])
let newLeader
if (leaderIndex == -1) {
newLeader = adminList[0]
} else {
let newIndex = leaderIndex + 1
if (newIndex >= adminList.length) {
newIndex = 0
}
newLeader = adminList[newIndex]
}
setLeader(newLeader, leaderTime)
}
}
}
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// uid是否存在 不存在则存入uidObj
let isNew = 0
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// console.log(uidObj[data.uid],'uidObj[data.uid]');
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if (!uidObj[data.uid]) {
isNew = 1
uidObj[data.uid] = data.uname
}
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// console.log(isNew, data.uname + ' 是否存在')
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// custom.js中 每条弹幕的处理 放到了此处
// -------------------- 每条弹幕处理 begin -----------------------
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let random2 = Math.floor(Math.random() + 0.5)
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// 获取领舞信息
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let leaderInfo = sessionStorage.getItem('leader')
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let isLeader = data.uname == leaderInfo ? 1 : 0
// 给弹幕加上随机事件
let mathIndex = Math.floor(Math.random()*15)
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// console.log(mathIndex, '随机因子')
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let randomEvent = eventTextList[mathIndex] ? eventTextList[mathIndex] : ''
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// TODO 测试后 删除弹幕随机附加事件
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let dm = {text: data.danmaku, uid: data.uid, uname: data.uname,
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event: getEvent(getFirstEventKeyword(data.danmaku)),
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is_new: isNew, is_admin: 0, is_exit: random2, is_leader: isLeader}
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// TODO 测试后 删除领舞随机
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// let leaderRandomEvent = getEvent(getFirstEventKeyword(data.danmaku+randomEvent))
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let leader = {
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// uid: 0, uname: leaderInfo, text: getEvent(getFirstEventKeyword(data.danmaku+randomEvent)), event: leaderRandomEvent
uid: 0, uname: leaderInfo, text: '', event: ''
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}
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if (isLeader) {
leader.uid = dm.uid
leader.uname = dm.uname
leader.text = dm.text
leader.event = dm.event
}
// 新用户
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if(dm.is_new==1){
if(dm.uname!=leader.uname){//如果弹幕的人的名字不等于领舞者的名字,就创建一个人物
peopleObj(dm.uname,dm.uid,dm.text,dm.event);
}
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} else {
// 老用户
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$(`#${dm.uid} .speak`).html(dm.text);
$(`#${dm.uid} .speak`).removeClass("dn");
setTimeout(()=>{
$(`#${dm.uid} .speak`).addClass("dn");
},3000)
// 舞者喊舞
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if(peopleHan(dm.text)){
peopleAction(`${dm.uid}`,dm.event);
}
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}
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num++;
// 显示领舞的昵称
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$('.lingname').text(leader.uname);
if(leader.event=='scale-left' || leader.event=='scale-right' || leader.event=='scale-bottom-left' || leader.event=='scale-bottom-right'){
// 领舞喊镜头
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list.forEach(item=>{
var haveDan = $(`.ground-bg`).is(`.${item}`);
// 如果之前有镜头,删除镜头
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if(haveDan) {
$('.ground-bg').removeClass(item);
}
})
// 各几秒重新添加镜头
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setTimeout(()=>{
$('.ground-bg').addClass(leader.event);
},addJingTime)
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} else {
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// 显示领舞说话
if (leader.text.length>0) {
$('.speak-pink').text(leader.text);
$('.speak-pink').fadeIn();
//关闭领舞说话
setTimeout(()=>{
$('.speak-pink').fadeOut();
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},1000)
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}
// 领舞说切歌
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if(leader.text=="切歌"){
changeMusic();
}
// 领舞喊一起喊
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// leader.text.slice(0,3);
if(leader.text.slice(0,4)=="一起喊:" || leader.text.slice(0,4)=="一起喊:"){
allSay(leader.text.slice(4));
}
// 领舞自己喊跳舞
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if(peopleHan(dm.text)){
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clearInterval(dancerTimer);
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dancerOwn(leader.event);
}
// 领舞喊集体跳舞
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if(dancer(leader.text)){
allDancing(leader.event);
}
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}
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// -------------------- 每条弹幕处理 end -----------------------
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// event.source 就当前弹出页的来源页面
// event.data 是 "hello there!"
// 假设你已经验证了所受到信息的origin (任何时候你都应该这样做), 一个很方便的方式就是把event.source
// 作为回信的对象并且把event.origin作为targetOrigin
// event.source.postMessage("hi there yourself! the secret response " +
// "is: rheeeeet!",
// event.origin);
// 数据是否为空
// 弹幕类型判断 事件弹幕、内容弹幕
}
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music();
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window.addEventListener("message", receiveMessage, false);