prevent same sound from playing multiple times

2026-05-28 00:01:54 +08:00 · 2020-06-04 15:52:15 -04:00
parent 54e6731748
commit a5c81f10e8
1 changed files with 12 additions and 0 deletions
@@ -51,9 +51,21 @@ var AudioEngine = {
    },
    _playSound: function (buffer) {
        if (!AudioEngine._canPlayAudio()) return;
+        if (AudioEngine._currentSoundEffectAudio &&
+            AudioEngine._currentSoundEffectAudio.source.buffer == buffer) {
+            return;
+        }

        var source = AudioEngine._audioContext.createBufferSource();
        source.buffer = buffer;
+        source.onended = function(event) {
+            // dereference current sound effect when finished
+            if (AudioEngine._currentSoundEffectAudio &&
+                AudioEngine._currentSoundEffectAudio.source.buffer == buffer) {
+                AudioEngine._currentSoundEffectAudio = null;
+            }
+        };
+
        source.connect(AudioEngine._master);
        source.start();