Add PickedUp to casette

Assets/Scripts/CasettePickup.cs

@@ -15,20 +15,19 @@ public class CasettePickup : MonoBehaviour {
             return Source.isPlaying;
         }
     }
+    public bool PickedUp = false;
 
     private AudioSource Source;
     private CasettePickup PreviousInQueue;
     private int WaitingIndex;
-    private bool Disappear;
 
     private void Awake() {
         Source = GetComponent<AudioSource>();
         CasetteProgress.CasetteCount = Clips.Length;
-        Disappear = false;
     }
 
     private void Update() {
-        if (Disappear) {
+        if (PickedUp) {
             transform.localScale = Vector3.Lerp(transform.localScale, Vector3.zero, 10f * Time.deltaTime);
         }
 
@@ -36,6 +35,8 @@ public class CasettePickup : MonoBehaviour {
             if (!PreviousInQueue.Playing) {
                 PreviousInQueue = null;
                 Source.PlayOneShot(Clips[WaitingIndex]);
+            } else if (PreviousInQueue == null && !Source.isPlaying) {
+                Destroy(gameObject);
             }
         } else if (CasetteProgress.AllCasettesPlayed && !Playing) {
             Destroy(gameObject);
@@ -43,9 +44,9 @@ public class CasettePickup : MonoBehaviour {
     }
 
     public void Play(CasettePickup previous) {
+        PickedUp = true;
         int Index = CasetteProgress.PlayNext();
         if (Index != -1) {
-            Disappear = true;
             if (previous == null) {
                 Source.PlayOneShot(Clips[Index]);
             } else {