Add pulsing music player

src/App.vue

@@ -154,11 +154,31 @@
               </p>
             </div>
             <div class="player-body">
+              <div
+                v-if="currentClipUrl"
+                class="custom-player"
+                :style="{ '--pulse': pulseLevel.toFixed(3) }"
+              >
+                <div class="pulse-orb" :class="{ active: isPlaying }"></div>
+                <div class="player-controls">
+                  <button class="ghost" @click="togglePlayback">
+                    {{ isPlaying ? 'Pause' : 'Play' }}
+                  </button>
+                  <div class="player-meta">
+                    <span class="label">Status</span>
+                    <span class="value">{{ isPlaying ? 'Playing' : 'Paused' }}</span>
+                  </div>
+                </div>
+              </div>
               <audio
                 ref="player"
                 v-if="currentClipUrl"
                 :src="currentClipUrl"
-                controls
+                class="hidden-audio"
+                preload="auto"
+                @play="handlePlayerPlay"
+                @pause="handlePlayerPause"
+                @ended="handlePlayerPause"
               ></audio>
               <div v-else class="player-empty">
                 Pick a tile to start the round.
@@ -234,7 +254,15 @@ export default {
       currentTileKey: null,
       currentClipUrl: '',
       currentSelectorId: null,
-      lastAwardedTeamId: null
+      lastAwardedTeamId: null,
+      isPlaying: false,
+      pulseLevel: 0,
+      audioContext: null as AudioContext | null,
+      analyser: null as AnalyserNode | null,
+      analyserData: null as Uint8Array | null,
+      rafId: 0,
+      mediaSource: null as MediaElementAudioSourceNode | null,
+      mediaElement: null as HTMLAudioElement | null
     }
   },
   computed: {
@@ -258,10 +286,122 @@ export default {
         .join(', ')
     }
   },
+  watch: {
+    currentClipUrl(newValue: string) {
+      if (!newValue) {
+        this.teardownAudio()
+        return
+      }
+      nextTick(() => this.setupAudioGraph())
+    }
+  },
   methods: {
     getPlayer() {
       return this.$refs.player as HTMLAudioElement | undefined
     },
+    ensureAudioContext() {
+      if (!this.audioContext) {
+        this.audioContext = new AudioContext()
+      }
+      if (this.audioContext.state === 'suspended') {
+        this.audioContext.resume().catch(() => {})
+      }
+    },
+    setupAudioGraph() {
+      const player = this.getPlayer()
+      if (!player) return
+      this.ensureAudioContext()
+
+      if (this.analyser) {
+        this.analyser.disconnect()
+        this.analyser = null
+      }
+
+      const context = this.audioContext
+      if (!context) return
+
+      if (this.mediaElement !== player) {
+        if (this.mediaSource) {
+          this.mediaSource.disconnect()
+        }
+        this.mediaSource = context.createMediaElementSource(player)
+        this.mediaElement = player
+      }
+
+      const analyser = context.createAnalyser()
+      analyser.fftSize = 1024
+      this.mediaSource?.connect(analyser)
+      analyser.connect(context.destination)
+
+      this.analyser = analyser
+      this.analyserData = new Uint8Array(analyser.fftSize)
+      this.pulseLevel = 0
+    },
+    teardownAudio() {
+      if (this.rafId) {
+        cancelAnimationFrame(this.rafId)
+        this.rafId = 0
+      }
+      if (this.analyser) {
+        this.analyser.disconnect()
+        this.analyser = null
+      }
+      if (this.mediaSource) {
+        this.mediaSource.disconnect()
+        this.mediaSource = null
+      }
+      this.mediaElement = null
+      this.analyserData = null
+      this.isPlaying = false
+      this.pulseLevel = 0
+    },
+    startPulse() {
+      if (!this.analyser || !this.analyserData) return
+      const analyser = this.analyser
+      const data = this.analyserData
+
+      const tick = () => {
+        if (!this.isPlaying || !this.analyser || !this.analyserData) {
+          this.rafId = 0
+          return
+        }
+        analyser.getByteTimeDomainData(data)
+        let sumSquares = 0
+        for (let i = 0; i < data.length; i += 1) {
+          const centered = (data[i] - 128) / 128
+          sumSquares += centered * centered
+        }
+        const rms = Math.sqrt(sumSquares / data.length)
+        const target = Math.min(1, rms * 2.8)
+        this.pulseLevel = this.pulseLevel * 0.7 + target * 0.3
+        this.rafId = requestAnimationFrame(tick)
+      }
+
+      if (this.rafId) cancelAnimationFrame(this.rafId)
+      this.rafId = requestAnimationFrame(tick)
+    },
+    handlePlayerPlay() {
+      this.isPlaying = true
+      this.startPulse()
+    },
+    handlePlayerPause() {
+      this.isPlaying = false
+      if (this.rafId) {
+        cancelAnimationFrame(this.rafId)
+        this.rafId = 0
+      }
+      this.pulseLevel = 0
+    },
+    togglePlayback() {
+      const player = this.getPlayer()
+      if (!player) return
+      this.ensureAudioContext()
+      if (player.paused) {
+        player.play().catch(() => {})
+      } else {
+        player.pause()
+      }
+    },
     teamGradient(team: Team) {
       return {
         background: `linear-gradient(135deg, ${team.colorA}, ${team.colorB})`
@@ -295,6 +435,7 @@ export default {
       this.currentTileKey = null
       this.currentClipUrl = ''
       this.lastAwardedTeamId = null
+      this.teardownAudio()
     },
     tileKey(cIndex: number, qIndex: number) {
       return `${cIndex}-${qIndex}`
@@ -341,6 +482,7 @@ export default {
         await nextTick()
         const player = this.getPlayer()
         if (player) {
+          this.ensureAudioContext()
           player.currentTime = 0
           player.load()
           player.play().catch(() => {})
@@ -363,6 +505,7 @@ export default {
           await nextTick()
           const player = this.getPlayer()
           if (player) {
+            this.ensureAudioContext()
             player.currentTime = 0
             player.load()
             player.play().catch(() => {})
@@ -400,6 +543,7 @@ export default {
         this.currentClipUrl = ''
         const player = this.getPlayer()
         player?.pause()
+        this.teardownAudio()
         this.checkEnd()
       }
     },
@@ -430,6 +574,9 @@ export default {
         this.step = 'end'
       }
     }
+  },
+  unmounted() {
+    this.teardownAudio()
   }
 }
 </script>