longandCursor
82c4d7e0a2
针对开发者工具/老基础库下视频卡加载圈的问题: - 去掉 video 标签上的 :playback-rate 属性绑定 (部分基础库初始化时设非 1.0 速率会导致首帧解码失败/卡死) - 改在 @loadedmetadata 元数据加载完后再调用 videoCtx.playbackRate API 这样视频先以 1.0 原速播放,确认 ready 后再调速,兼容性更好 - 新增 @error 事件监听,失败时 console + toast 提示 便于诊断真机/工具的差异表现 Co-authored-by: Cursor <cursoragent@cursor.com>
601 lines
15 KiB
Vue
601 lines
15 KiB
Vue
<template>
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<view class="page" :style="rootStyle">
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<!-- ===== 主舞台:节拍器圆 ===== -->
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<view class="stage" @click="togglePlay">
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<view class="ring r1" :class="{ playing: isPlaying }" />
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<view class="ring r2" :class="{ playing: isPlaying }" />
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<view class="core" :class="{ playing: isPlaying, accent: isAccent }">
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<text class="bpm-num">{{ bpm }}</text>
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<text class="bpm-label">BPM</text>
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<view class="ctrl">
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<view v-if="isPlaying" class="icon-pause">
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<view class="bar" />
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<view class="bar" />
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</view>
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<view v-else class="icon-play" />
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</view>
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</view>
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</view>
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<!-- ===== 配速 + 走路动画卡片 ===== -->
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<view class="walker-card">
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<view class="walker-header">
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<view class="badge" :class="badgeClass">
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<view class="badge-dot" />
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<text>{{ walkerTip }}</text>
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</view>
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<text class="status">{{ statusHint }}</text>
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</view>
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<view class="walker" :class="{ playing: isPlaying }">
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<view class="runner-card">
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<video
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id="runner-video"
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class="runner-video"
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src="/static/training/runner.mp4"
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:muted="true"
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:loop="true"
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:autoplay="true"
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:show-controls="false"
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:show-fullscreen-btn="false"
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:show-play-btn="false"
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:show-center-play-btn="false"
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:enable-progress-gesture="false"
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:show-mute-btn="false"
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object-fit="contain"
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@error="onVideoError"
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@loadedmetadata="onVideoLoaded"
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/>
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</view>
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</view>
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</view>
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<!-- ===== 控制卡片:BPM + 拍号 ===== -->
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<view class="control-card">
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<view class="bpm-row">
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<view class="step-btn" @click="adjustBpm(-10)">
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<text class="step-num">−10</text>
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</view>
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<view class="step-btn" @click="adjustBpm(-1)">
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<text class="step-num">−1</text>
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</view>
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<view class="step-btn" @click="adjustBpm(1)">
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<text class="step-num">+1</text>
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</view>
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<view class="step-btn" @click="adjustBpm(10)">
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<text class="step-num">+10</text>
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</view>
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</view>
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<view class="divider" />
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<view class="meter-row">
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<text class="meter-label">每组拍数</text>
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<view class="meter-options">
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<view
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v-for="m in METER_OPTIONS"
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:key="m.value"
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class="meter-btn"
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:class="{ active: accentEvery === m.value }"
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@click="onMeterChange(m.value)"
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>
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<text>{{ m.label }}</text>
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</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 setup lang="ts">
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import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
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import { onShow, onHide } from '@dcloudio/uni-app'
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import { useMetronome } from '@/hooks/useMetronome'
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/**
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* 视频原速对应的 BPM 基准
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* runner.mp4 时长 0.97s, 一个 walk cycle (左右脚各一次) ≈ 124 BPM 步频
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* 用户调速时 playbackRate = bpm / VIDEO_BASE_BPM
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* 微信小程序限制 playback-rate 范围 [0.5, 2.0]
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*/
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const VIDEO_BASE_BPM = 124
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const METER_OPTIONS = [
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{ label: '2', value: 2 },
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{ label: '3', value: 3 },
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{ label: '4', value: 4 },
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]
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const metronome = useMetronome({
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initialBpm: 80,
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accentEvery: 4,
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clickSrc: '/static/training/audio/click.mp3',
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accentSrc: '/static/training/audio/click-wood.mp3',
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})
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const {
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bpm,
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isPlaying,
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beatIndex,
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isAccent,
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accentEvery,
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intervalMs,
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start,
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stop,
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setBpm,
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setAccentEvery,
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preload,
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} = metronome
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const adjustBpm = (delta: number) => {
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setBpm(bpm.value + delta)
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}
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const onMeterChange = (val: number) => {
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setAccentEvery(val)
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}
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const togglePlay = () => {
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if (isPlaying.value) {
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stop()
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uni.setKeepScreenOn({ keepScreenOn: false })
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} else {
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start()
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uni.setKeepScreenOn({ keepScreenOn: true })
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}
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}
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/* 视频实例与 BPM 同步 */
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let videoCtx: UniApp.VideoContext | null = null
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const playbackRate = computed(() => {
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const rate = bpm.value / VIDEO_BASE_BPM
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return Math.max(0.5, Math.min(2.0, +rate.toFixed(2)))
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})
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onMounted(() => {
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videoCtx = uni.createVideoContext('runner-video')
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/* 进页面默认让视频保持暂停,跟节拍器 isPlaying 状态同步 */
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setTimeout(() => videoCtx?.pause(), 50)
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})
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const onVideoError = (e: any) => {
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console.error('[runner-video] error:', e?.detail || e)
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uni.showToast({
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title: '视频加载失败,请用真机预览',
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icon: 'none',
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duration: 2500,
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})
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}
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const onVideoLoaded = (e: any) => {
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console.log('[runner-video] metadata loaded:', e?.detail)
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/* 元数据加载完后再设 playbackRate,部分基础库初始化时设非 1.0 会卡 */
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try {
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videoCtx?.playbackRate?.(playbackRate.value)
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} catch (_) {}
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}
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/* 节拍器状态变化 → 同步视频播放/暂停 */
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watch(isPlaying, (playing) => {
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if (playing) {
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videoCtx?.play()
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} else {
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videoCtx?.pause()
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}
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})
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/* BPM 变化 → 调整视频播放速度(部分基础库需要手动 API 调用) */
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watch(playbackRate, (rate) => {
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try {
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videoCtx?.playbackRate?.(rate)
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} catch (_) {}
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})
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const rootStyle = computed(() => ({
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'--beat-duration': `${intervalMs.value}ms`,
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'--step-duration': `${intervalMs.value}ms`,
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}))
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const statusHint = computed(() => {
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if (isPlaying.value) {
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const cur = ((beatIndex.value - 1) % accentEvery.value) + 1
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return `第 ${cur} 拍 / 共 ${accentEvery.value} 拍`
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}
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return '轻点中央圆点开始'
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})
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const walkerTip = computed(() => {
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if (bpm.value < 70) return '慢走 · 热身'
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if (bpm.value < 100) return '健走 · 日常'
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if (bpm.value < 130) return '快走 · 提速'
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if (bpm.value < 170) return '慢跑 · 有氧'
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return '快跑 · 高强'
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})
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const badgeClass = computed(() => {
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if (bpm.value < 100) return 'badge-mild'
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if (bpm.value < 130) return 'badge-mid'
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if (bpm.value < 170) return 'badge-strong'
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return 'badge-hot'
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})
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onShow(() => {
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preload()
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})
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onHide(() => {
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if (isPlaying.value) {
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stop()
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uni.setKeepScreenOn({ keepScreenOn: false })
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}
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})
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onUnmounted(() => {
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uni.setKeepScreenOn({ keepScreenOn: false })
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})
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</script>
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<style lang="scss" scoped>
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/* ============================================================
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* 设计 token
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* ============================================================ */
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$bg-grad: linear-gradient(180deg, #0a0f1c 0%, #141a2a 100%);
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$card-bg: rgba(255, 255, 255, 0.035);
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$card-border: rgba(255, 255, 255, 0.06);
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$text-1: #f1f5f9;
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$text-2: #cbd5e1;
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$text-3: #64748b;
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$brand: #22c55e;
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$brand-deep: #15803d;
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$accent: #f59e0b;
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$accent-deep: #b45309;
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$radius-card: 28rpx;
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$radius-btn: 20rpx;
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/* ============================================================
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* 页面容器
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* ============================================================ */
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.page {
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height: 100vh;
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box-sizing: border-box;
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padding: 30rpx 28rpx 60rpx;
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background: $bg-grad;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 24rpx;
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color: $text-1;
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overflow: hidden;
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}
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/* ============================================================
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* 节拍器主舞台
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* ============================================================ */
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.stage {
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position: relative;
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width: 540rpx;
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height: 540rpx;
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margin-top: 20rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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&:active .core {
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transform: scale(0.97);
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}
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}
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.ring {
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position: absolute;
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width: 100%;
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height: 100%;
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border-radius: 50%;
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border: 3rpx solid rgba(34, 197, 94, 0.14);
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pointer-events: none;
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&.playing {
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animation: ring-pulse var(--beat-duration, 750ms) ease-out infinite;
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}
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&.r2.playing {
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animation-delay: calc(var(--beat-duration, 750ms) * -0.5);
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}
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}
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@keyframes ring-pulse {
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0% {
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transform: scale(0.94);
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opacity: 0.85;
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border-color: rgba(34, 197, 94, 0.45);
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}
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100% {
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transform: scale(1.18);
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opacity: 0;
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border-color: rgba(34, 197, 94, 0);
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}
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}
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.core {
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position: relative;
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width: 420rpx;
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height: 420rpx;
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border-radius: 50%;
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background: linear-gradient(140deg, $brand 0%, $brand-deep 100%);
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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box-shadow:
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inset 0 -16rpx 50rpx rgba(0, 0, 0, 0.22),
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inset 0 16rpx 50rpx rgba(255, 255, 255, 0.1),
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0 20rpx 50rpx rgba(34, 197, 94, 0.32);
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transition: transform 0.12s, background 0.18s, box-shadow 0.18s;
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&.playing {
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animation: core-beat var(--beat-duration, 750ms) ease-in-out infinite;
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}
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&.playing.accent {
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background: linear-gradient(140deg, #fbbf24 0%, $accent-deep 100%);
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box-shadow:
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inset 0 -16rpx 50rpx rgba(0, 0, 0, 0.22),
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inset 0 16rpx 50rpx rgba(255, 255, 255, 0.18),
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0 20rpx 50rpx rgba(245, 158, 11, 0.4);
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}
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.bpm-num {
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font-size: 180rpx;
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font-weight: 800;
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color: #fff;
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line-height: 1;
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letter-spacing: -2rpx;
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font-variant-numeric: tabular-nums;
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text-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.18);
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}
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.bpm-label {
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font-size: 22rpx;
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color: rgba(255, 255, 255, 0.65);
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letter-spacing: 6rpx;
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margin-top: 10rpx;
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font-weight: 600;
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}
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.ctrl {
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margin-top: 26rpx;
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height: 76rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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}
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@keyframes core-beat {
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0%,
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100% {
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transform: scale(1);
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}
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50% {
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transform: scale(1.04);
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}
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}
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/* 播放/暂停 icon (CSS 几何) */
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.icon-play {
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width: 0;
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height: 0;
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border-left: 60rpx solid #fff;
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border-top: 38rpx solid transparent;
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border-bottom: 38rpx solid transparent;
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margin-left: 14rpx;
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filter: drop-shadow(0 2rpx 6rpx rgba(0, 0, 0, 0.2));
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}
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.icon-pause {
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display: flex;
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gap: 18rpx;
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height: 70rpx;
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.bar {
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width: 18rpx;
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height: 100%;
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background: #fff;
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border-radius: 5rpx;
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box-shadow: 0 2rpx 6rpx rgba(0, 0, 0, 0.2);
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}
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}
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/* ============================================================
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* 走路动画卡片
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* ============================================================ */
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.walker-card {
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width: 100%;
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background: $card-bg;
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border: 1rpx solid $card-border;
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border-radius: $radius-card;
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padding: 24rpx 28rpx 32rpx;
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backdrop-filter: blur(20rpx);
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}
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.walker-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 12rpx;
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}
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.badge {
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display: flex;
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align-items: center;
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gap: 10rpx;
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padding: 8rpx 20rpx;
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background: rgba(34, 197, 94, 0.12);
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border: 1rpx solid rgba(34, 197, 94, 0.3);
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border-radius: 999rpx;
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font-size: 24rpx;
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color: $brand;
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font-weight: 600;
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.badge-dot {
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width: 12rpx;
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height: 12rpx;
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border-radius: 50%;
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background: currentColor;
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box-shadow: 0 0 8rpx currentColor;
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}
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&.badge-mild {
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background: rgba(34, 197, 94, 0.12);
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border-color: rgba(34, 197, 94, 0.3);
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color: #4ade80;
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}
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&.badge-mid {
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background: rgba(251, 191, 36, 0.12);
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border-color: rgba(251, 191, 36, 0.3);
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color: #fbbf24;
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}
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&.badge-strong {
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background: rgba(249, 115, 22, 0.12);
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border-color: rgba(249, 115, 22, 0.3);
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color: #fb923c;
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}
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&.badge-hot {
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background: rgba(239, 68, 68, 0.14);
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border-color: rgba(239, 68, 68, 0.32);
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color: #f87171;
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}
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}
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.status {
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font-size: 24rpx;
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color: $text-3;
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letter-spacing: 1rpx;
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}
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.walker {
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position: relative;
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width: 100%;
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height: 240rpx;
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display: flex;
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justify-content: center;
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align-items: flex-end;
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}
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/* ============================================================
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* 跑步小人视频(白卡嵌入)
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* ============================================================ */
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.runner-card {
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position: absolute;
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bottom: 18rpx;
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left: 50%;
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transform: translateX(-50%);
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width: 220rpx;
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height: 220rpx;
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background: #fff;
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border-radius: 32rpx;
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overflow: hidden;
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box-shadow:
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0 12rpx 32rpx rgba(0, 0, 0, 0.25),
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inset 0 0 0 1rpx rgba(255, 255, 255, 0.3);
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}
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.runner-video {
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width: 100%;
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height: 100%;
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background: #fff;
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}
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/* ============================================================
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* 控制卡片(BPM + 拍号)
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* ============================================================ */
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.control-card {
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width: 100%;
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background: $card-bg;
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border: 1rpx solid $card-border;
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border-radius: $radius-card;
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padding: 28rpx;
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backdrop-filter: blur(20rpx);
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}
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.bpm-row {
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display: flex;
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gap: 14rpx;
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}
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.step-btn {
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flex: 1;
|
||
height: 96rpx;
|
||
border-radius: $radius-btn;
|
||
background: rgba(255, 255, 255, 0.05);
|
||
border: 1rpx solid rgba(255, 255, 255, 0.08);
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
transition: all 0.15s;
|
||
|
||
&:active {
|
||
background: rgba(34, 197, 94, 0.18);
|
||
border-color: rgba(34, 197, 94, 0.5);
|
||
transform: scale(0.96);
|
||
}
|
||
|
||
.step-num {
|
||
font-size: 38rpx;
|
||
color: $text-1;
|
||
font-weight: 700;
|
||
font-variant-numeric: tabular-nums;
|
||
letter-spacing: -1rpx;
|
||
}
|
||
}
|
||
|
||
.divider {
|
||
height: 1rpx;
|
||
background: rgba(255, 255, 255, 0.06);
|
||
margin: 24rpx 0;
|
||
}
|
||
|
||
.meter-row {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: space-between;
|
||
gap: 20rpx;
|
||
}
|
||
|
||
.meter-label {
|
||
font-size: 26rpx;
|
||
color: $text-3;
|
||
letter-spacing: 1rpx;
|
||
}
|
||
|
||
.meter-options {
|
||
display: flex;
|
||
gap: 10rpx;
|
||
background: rgba(255, 255, 255, 0.04);
|
||
padding: 6rpx;
|
||
border-radius: 999rpx;
|
||
border: 1rpx solid rgba(255, 255, 255, 0.05);
|
||
}
|
||
|
||
.meter-btn {
|
||
min-width: 84rpx;
|
||
height: 60rpx;
|
||
padding: 0 20rpx;
|
||
border-radius: 999rpx;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
transition: all 0.18s;
|
||
|
||
text {
|
||
font-size: 30rpx;
|
||
color: $text-2;
|
||
font-weight: 600;
|
||
}
|
||
|
||
&.active {
|
||
background: $brand;
|
||
box-shadow: 0 4rpx 12rpx rgba(34, 197, 94, 0.4);
|
||
|
||
text {
|
||
color: #fff;
|
||
}
|
||
}
|
||
}
|
||
</style>
|