Finalize title screen name

src/game/audio/SoundDirector.ts

@@ -3,6 +3,7 @@ class SoundDirector {
   private master?: GainNode;
   private musicGain?: GainNode;
   private started = false;
+  private muted = false;
   private sequenceTimer?: number;
 
   start() {
@@ -17,7 +18,7 @@ class SoundDirector {
 
     this.context = new AudioContextCtor();
     this.master = this.context.createGain();
-    this.master.gain.value = 0.34;
+    this.master.gain.value = this.muted ? 0 : 0.34;
     this.master.connect(this.context.destination);
 
     this.musicGain = this.context.createGain();
@@ -34,6 +35,21 @@ class SoundDirector {
     void this.context?.resume();
   }
 
+  setMuted(muted: boolean) {
+    this.muted = muted;
+
+    if (!this.context || !this.master) {
+      return;
+    }
+
+    this.master.gain.cancelScheduledValues(this.context.currentTime);
+    this.master.gain.linearRampToValueAtTime(muted ? 0 : 0.34, this.context.currentTime + 0.18);
+  }
+
+  isMuted() {
+    return this.muted;
+  }
+
   playHover() {
     this.playTone(660, 0.035, 0.04, 'sine');
   }