A couple performance tweaks

Author: ericallam

Singleton.cs

@@ -25,7 +25,6 @@ public static T Instance
         {
             if (Quitting)
             {
-                Debug.LogWarning($"[{nameof(Singleton)}<{typeof(T)}>] Instance will not be returned because the application is quitting.");
                 // ReSharper disable once AssignNullToNotNullAttribute
                 return null;
             }
@@ -37,17 +36,19 @@ public static T Instance
                 var count = instances.Length;
                 if (count > 0)
                 {
-                    if (count == 1)
+                    if (count == 1) {
                         return _instance = instances[0];
-                    Debug.LogWarning($"[{nameof(Singleton)}<{typeof(T)}>] There should never be more than one {nameof(Singleton)} of type {typeof(T)} in the scene, but {count} were found. The first instance found will be used, and all others will be destroyed.");
-                    for (var i = 1; i < instances.Length; i++)
+                    }
+
+
+                    for (var i = 1; i < instances.Length; i++) {
                         Destroy(instances[i]);
+                    }
+
                     return _instance = instances[0];
                 }
 
-                Debug.Log($"[{nameof(Singleton)}<{typeof(T)}>] An instance is needed in the scene and no existing instances were found, so a new instance will be created.");
-                return _instance = new GameObject($"({nameof(Singleton)}){typeof(T)}")
-                           .AddComponent<T>();
+                return _instance = new GameObject($"({nameof(Singleton)}){typeof(T)}").AddComponent<T>();
             }
         }
     }

Sound/SoundEffect.cs

@@ -69,10 +69,20 @@ public void PlayOnObject(GameObject gameObject) {
 
         }
 
+        private SoundEffectController _soundEffectController;
+        private SoundEffectController soundEffectController {
+            get {
+                if (_soundEffectController != null) {
+                    return _soundEffectController;
+                }
+
+                return _soundEffectController = FindObjectOfType<SoundEffectController>();
+            }
+        }
+
         [UsedImplicitly]
         public void Play() {
-            AsyncObjectFinder.Instance.FindObjectOfTypeAsync<SoundEffectController>()
-                .Then(controller => PlayOnObject(controller.gameObject));
+            PlayOnObject(soundEffectController.gameObject);
         }
 
         protected void PlayOneShotOnAudioSource(AudioSource source) {