Added looping + a way to stop sfx and loops

audio.js

@@ -1,22 +1,73 @@
+let playing = [];
+looping = {};
+
 let audioDict = {};
 
 // play some sound
 
-function playAudio(name) {
+function playSfx(name) {
   if (audioDict[name] == undefined) {
     console.log(name + " is not loaded yet, dingus");
     return;
   }
 
   let src = audioContext.createBufferSource();
-
   src.buffer = audioDict[name];
+  src.connect(audioContext.destination);
+
+  playing.push(src);
+
+  src.name = name;
+  src.onended = (event) => src.done = true;
+
+  src.start(0);
+}
+
+function playLoop(name) {
+  if (audioDict[name] == undefined) {
+    console.log(name + " is not loaded yet, dingus");
+    return;
+  }
+
+  // if already playing, just keep going
+  if (looping[name] && !looping[name].done) {
+    console.log(name + " is already looping");
+    return;
+  }
 
+  let src = audioContext.createBufferSource();
+  src.buffer = audioDict[name];
   src.connect(audioContext.destination);
 
+  looping[name] = src;
+
+  src.name = name;
+  src.onended = (event) => src.done = true;
+
+  src.loop = true;
+
   src.start(0);
 }
 
+function stopSfx(name) {
+  playing.map(item => {
+    if (item.name == name)
+      item.stop();
+  } );
+  cleanPlaying();
+}
+
+function stopLoop(name) {
+  if (looping[name]) {
+    looping[name].stop();
+    delete looping[name];
+  }
+}
+
+function cleanPlaying() {
+  playing = playing.filter(item => !item.done);
+}
+
 // asynchronously load an audio file
 
 function loadAudio(name, flush=false) {