mirror of
https://github.com/ialley-workshop-open/uni-halo.git
synced 2025-05-28 22:40:18 +09:00
322 lines
6.5 KiB
Vue
322 lines
6.5 KiB
Vue
<template>
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<view class="barrage-wrap" :class="[type]">
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<view class="danmu-li" v-for="(item, index) in listData" :class="[type, item.type]" :style="[item.style]" :key="index">
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<view class="danmu-inner">
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<view class="user-box">
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<view class="user-img"><image class="avatar" :src="item.item.avatar"></image></view>
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<view class="user-text cl1">{{ item.item.author }}</view>
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<view class="user-status cl1">{{ item.item.content }}</view>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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props: {
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//rightToLeft leftToRight leftBottom
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type: {
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type: String,
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default: 'rightToLeft'
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},
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list: {
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type: Array,
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default() {
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return [];
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}
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},
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minTime: {
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type: Number,
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default: 4
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},
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maxTime: {
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type: Number,
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default: 9
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},
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minTop: {
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type: Number,
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default: 0
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},
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maxTop: {
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type: Number,
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default: 240
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},
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hrackH: {
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//轨道高度
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type: Number,
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default: 40
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}
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},
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data() {
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return {
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closeTimer: null,
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listData: []
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};
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},
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mounted() {
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//leftBottom 使用参数
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if (this.type === 'leftBottom') {
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this.hrackNum = Math.floor(this.maxTop / this.hrackH);
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}
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},
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methods: {
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add(obj) {
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console.log('加载弹幕中...');
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this.isShow = true;
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this.showFlag = true;
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let data = {
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...obj,
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id: Date.parse(new Date()),
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time: Math.ceil(Math.floor(Math.random() * (this.maxTime - this.minTime + 1) + this.minTime)),
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type: this.type
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};
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if (this.type === 'leftBottom') {
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console.log('leftBottom,加载弹幕中...');
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let objData = {
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item: data,
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type: 'leftBottomEnter',
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style: {
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transition: `all 0.5s`,
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animationDuration: `0.5s`,
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transform: `translateX(0%)`,
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bottom: `${this.minTop}px`
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}
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};
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let listLen = this.listData.length;
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let hrackNum = this.hrackNum;
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for (let i in this.listData) {
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if (this.listData[i].status === 'reuse') {
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//重用
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this.$set(this.listData, i, objData);
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} else if (this.listData[i].status === 'reset') {
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//重置
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this.listData[i].style.transition = 'none';
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this.listData[i].style.bottom = '6px';
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this.listData[i].status = 'reuse';
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} else if (this.listData[i].status === 'recycle') {
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//回收
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this.listData[i].type = 'leftBottomExit';
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this.listData[i].status = 'reset';
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} else {
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this.listData[i].style.bottom = parseInt(this.listData[i].style.bottom) + this.hrackH + 'px';
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}
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if (parseInt(this.listData[i].style.bottom) >= this.maxTop - this.hrackH && this.listData[i].status !== 'reset') {
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//需要回收
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this.listData[i].status = 'recycle';
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}
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}
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if (listLen < hrackNum + 2) {
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this.listData.push(objData);
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}
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} else if (this.type === 'rightToLeft') {
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let objData = {
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item: data.item,
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type: 'rightToLeft',
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style: {
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animationDuration: `${data.time}s`,
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top: `${Math.ceil(Math.random() * (this.maxTop - this.minTop + 1) + this.minTop)}px`
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},
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delTime: Date.parse(new Date()) + data.time * 1200
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};
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for (let i in this.listData) {
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if (this.listData[i].delTime <= Date.parse(new Date())) {
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this.repaint(i, objData.type);
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objData.type = '';
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this.$set(this.listData, i, objData);
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return;
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}
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}
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this.listData.push(objData);
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}
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},
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async remove(options = {}) {
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options = Object.assign(
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{},
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{
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duration: 5000, // 延迟关闭的时间
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speed: 1000 // 弹幕消失的速度
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},
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options
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);
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const _fnHandleRemove = item => {
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return new Promise(resolve => {
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setTimeout(() => {
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item['type'] = 'leftBottomExitLeft';
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// this.$forceUpdate();
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resolve();
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}, options.speed);
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});
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};
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const _fnHandleLoop = item => {
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return new Promise(resolve => {
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setTimeout(async () => {
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for (var i = 0; i < this.listData.length; i++) {
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await _fnHandleRemove(this.listData[i]);
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}
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resolve();
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}, options.duration);
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});
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};
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await _fnHandleLoop();
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setTimeout(() => {
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this.listData = [];
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}, 100);
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},
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repaint(index, type) {
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setTimeout(() => {
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this.listData[index].type = type;
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}, 100);
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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@keyframes leftBottomEnter {
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0% {
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transform: translateY(100%);
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opacity: 0;
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}
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100% {
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transform: translateY(0%);
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opacity: 1;
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}
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}
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@keyframes leftBottomExit {
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0% {
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transform: translateY(0%);
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opacity: 1;
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}
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100% {
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transform: translateY(-200%);
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opacity: 0;
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}
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}
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@keyframes leftBottomExitLeft {
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0% {
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transform: translateX(0%);
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opacity: 1;
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}
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100% {
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transform: translateX(-200%);
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opacity: 0;
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}
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}
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@keyframes leftToRight {
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0% {
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transform: translateX(-100%);
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}
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100% {
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transform: translateX(100%);
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}
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}
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@keyframes rightToLeft {
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0% {
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transform: translateX(100%);
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}
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100% {
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transform: translateX(-100%);
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}
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}
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.barrage-wrap {
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position: fixed;
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width: 100%;
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height: 100%;
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pointer-events: none;
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top: 0;
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z-index: 99;
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transition: all 1s ease-in-out;
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&.leftBottom {
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top: initial;
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bottom: 130rpx;
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}
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}
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.danmu-li {
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position: absolute;
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width: 100%;
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transform: translateX(100%);
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animation-timing-function: linear;
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transition: transform 0.5s ease-in-out;
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&.is-hide {
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transform: translateX(-100%) !important;
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}
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&.leftBottom {
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left: 24rpx;
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}
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&.leftBottomEnter {
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animation-name: leftBottomEnter;
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}
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&.leftBottomExit {
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animation-name: leftBottomExit;
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animation-fill-mode: forwards;
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}
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&.leftBottomExitLeft {
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animation-name: leftBottomExitLeft;
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animation-fill-mode: forwards;
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}
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&.rightToLeft {
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animation-name: rightToLeft;
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}
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&.leftToRight {
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animation-name: rightToLeft;
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}
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.danmu-inner {
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display: inline-block;
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font-size: 24rpx;
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.user-box {
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display: flex;
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padding: 6rpx 40rpx 6rpx 10rpx;
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background: rgba(0, 0, 0, 0.3);
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border-radius: 32rpx;
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align-items: center;
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.user-img {
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display: flex;
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align-items: center;
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justify-content: center;
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.avatar {
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width: 42rpx;
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height: 42rpx;
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background: rgba(55, 55, 55, 1);
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border-radius: 50%;
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}
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}
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.user-status {
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margin-left: 10rpx;
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white-space: nowrap;
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font-weight: 400;
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color: rgba(255, 255, 255, 1);
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max-width: 320rpx;
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text-overflow: ellipsis;
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overflow: hidden;
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white-space: nowrap;
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}
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.user-text {
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max-width: 100rpx;
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margin-left: 10rpx;
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font-weight: 400;
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color: rgba(255, 255, 255, 1);
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text-overflow: ellipsis;
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overflow: hidden;
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white-space: nowrap;
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}
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}
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}
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}
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</style>
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