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douyu
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/404682/812513/piaopingku.js
// ==UserScript==
// @name 斗鱼恢复飘屏弹幕
// @namespace https://jq.qq.com/?_wv=1027&k=5LDqRdJ
// @version 0.1
// @description 可在特殊时期恢复飘屏弹幕
// @author 大表弟
// @compatible chrome
// @license MIT
// @icon https://s2.ax1x.com/2020/02/28/3Dyt0g.png
// @match http*://www.douyu.com/*
// ==/UserScript==
(function() {
'use strict';
var FONT_SIZE = 24
var DANMU_PADDING = 16
var SPEED = 210
var MIN_TIME = 2000
var BEGIN_TOP = 10
var start = setInterval(function(){
if (document.querySelector("#__h5player").children[3].children[1]){
initApplication()
clearInterval(start)
}
},500)
function initApplication(){
var startTime = 0
var prevTop = 0
var targetNode = document.getElementById('js-player-barrage');
var config = { attributes: false, childList: true, subtree: true };
var callback = function(mutationsList) {
for(var mutation of mutationsList) {
if(mutation.addedNodes[0]){
send(mutation.addedNodes[0].querySelector(".Barrage-content"));
}
}
};
var observer = new MutationObserver(callback);
observer.observe(targetNode, config);
var wrapper = document.querySelector("#__h5player").children[3].children[1]
function send(danmu) {
if(!danmu) return;
var dom = danmu.cloneNode(true)
var now = new Date()
var clientWidth = wrapper.clientWidth
var clientHeight = wrapper.clientHeight
var time = clientWidth / SPEED
dom.style.position = 'absolute'
dom.style.zIndex = '10000'
dom.style.transition = `transform ${time}s linear`
dom.style.transform = `translateX(${clientWidth}px)`
dom.style.fontSize = `${FONT_SIZE}px`
dom.style.fontWeight = '800'
if (!danmu.getAttribute('class').includes('color')){
dom.style.color = '#fff'
dom.style.textShadow = '#000 1px 0 0,#000 0 1px 0,#000 -1px 0 0,#000 0 -1px 0'
}
var top = BEGIN_TOP
if (startTime === 0 ) {
startTime = now
} else {
if(now - startTime <= MIN_TIME && prevTop + 2 * FONT_SIZE + DANMU_PADDING < clientHeight) {
top=prevTop + FONT_SIZE + DANMU_PADDING
prevTop = prevTop + FONT_SIZE + DANMU_PADDING
} else {
top=BEGIN_TOP
prevTop = BEGIN_TOP
startTime = now
}
}
dom.style.top = `${top}px`
wrapper.append(dom)
setTimeout(function(){dom.style.transform = 'translateX(-200px)'},0)
setTimeout(function(){dom.remove()},time * 1000)
}
}
})();